Title of Invention

DOOR BOLT SYSTEM

Abstract

A Product of " Special Door Bolt" with or without a built in door handle, with a specially lathed door bolt rod which is provided with a central ridge by a known method, which works as a controller of the sliding movement of the special door bolt within the guiding rings or tubular pieces, specially made guide plates as per view sheets that are welded or otherwise attached or fastened, at strategic places, to the encasing specially bent up sheet to encase the door bolt mechanism, whereas the special door bolt rod is provided with an end plate at the locking end, which is specially designed to suit the assembly of the special door bolt and wherein the plate is provided with a hole to match with another plate with a hole which is specially designed with a built in door handle and welded or riveted or otherwise fastened at the end of the encasing specially bent up sheet wherein the end plate of the special door bolt rod which is welded or otherwise fastened to the end following a strategic assembly system wherein the design process of the special door bolt is done merging the design process of the door handle and the basic purposes of the door bolt and door handle is achieved with a single Product that is called " Special Door Bolts "

Full Text

This Invention relates to a " Special Door Bolt System M, for use in the field of Hard Ware Fixtures to cater to provide a Specialty Door Bolt with many specialty features like the door bolt is provided with a built in door handle which reduces the number of visual parts of the regular door bolts reduces the number of Screws and Nut-Bolts and encases the nut bolts with a specially bent up sheet which hides even the nut bolts and their heads thereby concealing all nut bolts and improves the aesthetics of the door as a whole. ♦ The Specialty Feature of this Special door bolt system over the regular door bolt system wherein the door bolt slides along a guiding catchers and bolted with a separate Catcher at the bottom of the regular door bolt and facilitating locking with a separate Pad Lock. Where as this Specialty door bolt avoids provision of a separate Catcher at the bottom and the locking arrangement is achieved with a monolithic piece along with the door handle Plate thereby facilitating the sliding bolt which is provided with a piece of Plate with a whole arrangement that slides and bolted at the end of the door bolt itself and thereby facilitating locking arrangement with the help of a Pad Lock. ♦ The Special door bolt system provides a total Casing with a specially bent up sheet which encases the total nut bolts and special design is provided behind the sheet casing and sliding arrangement for the door bolt is achieved with the help of guides provided along with casing sheet from behind and the sliding door bolt rod, which is specially designed to serve the technical needs of the door bolt system. The present Invention of "Special Door Bolt "is an improved Product over the present practice, in use or being followed relating to Hardware Fixtures of the doors. (i) This Invention caters the present day needs of Society in a better manner over the present day practice relating to door bolts. Firstly, the present day professionals in this line, did not properly attend the Area of Making the door bolts with proper design Standards to cater to the Public,. The present Invention takes care of the actual Consumer to folly cater to his total requirements. The Consumer of the Conventional door bolt system is highly unhappy and feels unaesthetic Conditions in his dwelling or Office. This Special Door Bolt System provides a Comprehensive Technical Design which has many technical features like concealing the nut bolts and the total mechanism is given a different fa?ade by hiding the guides of the door bolt and provision of locking arrangement at the end of the sliding door bolt itself and the sliding door bolt rod is specially designed to cater to the technical needs and the assembly of the total door bolt is done following a specific strategy of assembly of different parts or components of the Special Door Bolt System. The specially bent up sheet is provided with multiple features consisting a specially designed Plate attached at the end of the concealed sheet to facilitate locking with a pad lock and having a door handle thereby reducing no of visual items on the door fa9ade. The regular door bolt system is a set of components of the door bolt which shall be assembled by the Carpenter where as the present special door bolt is a pre assembled total door bolt system wherein the marking of the drill holes for fixing the nut bolts is provided with a marking card and the drill holes are marked with the help of the hole marking card and the nut bolts are inserted at once and fixing of the special door bolt is done with ease. Hence, we require a highly efficient Product, over the conventional door bolt and shall also be cost-effective when compared with traditional or conventional type Door Bolts for use in Hardware Fixtures. The Present Invention is made Possible by using high-technical Skills in designing the final New Product. (ii) A Product of" Special Door Bolt" with or without a built in door handle, with a specially lathed door bolt rod which is provided with a central ridge by a known method, which works as a controller of the sliding movement of the special door bolt within the guiding rings or tubular pieces, specially made guide plates as per view sheets that are welded or otherwise attached or fastened, at strategic places, to the encasing specially bent up sheet to encase the door bolt mechanism, whereas the special door bolt rod is provided with an end plate at the locking end, which is specially designed to suit the assembly of the special door bolt and wherein the plate is provided with a hole to match with another plate with a hole which is specially designed with a built in door handle and welded or riveted or otherwise fastened at the end of the encasing specially bent up sheet wherein the end plate of the special door bolt rod which is welded or otherwise fastened to the end following a strategic assembly system wherein the design process of the special door bolt is done merging the design process of the door handle and the basic purposes of the door bolt and door handle is achieved with a single Product that is called " Special Door Bolt " where as the end plate of the encasing specially bent up sheet and the end plate of the special door bolt rod are brought closer while bolting the door with the help of the built in handle wherein the holes provided in both the endplates enables to lock the special door bolt to lock with the help of a regular pad lock where as the special door bolt is fixed with the help of a hole marking card with true scale assisting the carpenter in fixing the special door bolt, wherein cut-slots are provided behind the encasing specially bent up sheet to enable the bolts to position into the cut-slots, wherein the sliding movement of the special door bolt causes to bolt the door when the end plate of the sliding special door bolt rod with the help of the end plate and the stationary end plate fastened at the end of specially bent up encasing sheet are brought together and unbolted in vice versa manner, Wherein, in case of single flush door with a door frame, the other end of the special door bolt rod other than the locking end is directly made to insert in to the door frame at a required point by drilling a suitable hole in to the door frame wherein, the hole is provided with a catching plate with a hole that is pressed into the drill hole of the door frame and whereas incase of a double door with a door frame, the other end of the special door bolt rod is provided with a catching end piece with or without a built in door handle, which is provided with a encasing sheet which is specially bent to match with other casing of the special door bolt, with provision of tubular or ring guides, or plate guides welded or otherwise fixed behind the specially bent up encasing sheet, which is fixed with help of a hole marking card and with the help of nut bolts which are inserted in to the cut slots provided behind the specially bent up sheet and fixed to the door, where as the "SpecialDoor Bolt" is designed, to conceal the heads of the fixing bolts behind the encasing specially bent up sheet, thereby enhancing the aesthetics of the door as a whole, Wherein the plate with a built in handle is capable of working as a guide for the Special Door Bolt Rod and the Central ridge of the said door bolt rod can be provided at any strategic Point on the said door bolt rod, wherein, the "Special Door Bolt" is designed as per the illustrated view sheets and as per the relevant Country's Standard Codes of Practice and as per the Market Standards with regard to the size, shape, & dimensional Criteria that is being followed for different types of Special Door Bolts. (iii) As the Special Door Bolt is called by itself it has a specially designed door bolt sliding rod which slides after closing the door or doors and the sliding door bolt is slid to bolt the door with the help of a pad lock. The Sliding door bolt rod is designed to have a central ridge lathed up to the level of the guides of the Special Door Bolt that are provided behind the specially bent up sheet of the Special Door Bolt, the ridge provided at the center of the sliding rod works as a controller of sliding within the guides and enables the door bolt to slide within a range of distance so as to assist bolting the door and allowing to lock with the help of a pad lock. The end of the door bolt rod is lathed to an extent required in width and depth by reducing the diameter of the door bolt rod slightly to allow assembly of the end Plate which is specially designed to get inserted into the end plate which is designed to work as a stopper and work as a locking end whereas the door bolt rod and the end plate is made monolithic by welding or by any other known technique, following the special system of assembly of the Special Door Bolt System. (iv) A Product, Wherein The door bolt Rod's diameter ranges from 4mm. To 50mm.Wherein the Length of the Special Door Bolt ranges from 75mm to 500mm, Wherein the thickness of the specially designed bent up sheet ranges from 0.50mm to 6mm,where as the guides of the Special Door Bolt which are provided behind the bent up sheet to enable the door bolt rod to slide in a controlled manner with the help of the ridge provided at the center of the Special Door Bolt Rod, wherein tolerances for all dimensions are duly provided to enhance the working of the "Special Door Bolt Mechanism. * (v) The specially designed bent up casing Sheet consists of a semicircular bend at the center of the sheet so as to encase the Special Door Bolt Rod and dimensional criteria is adopted to suit the dia. of special door bolt rod and the guides that are to be provided by inserting into the special door bolt rod and welded to the encasing sheet where in the guides are in the shape of rings with required strength Or Guide Plates Or tubular pieces with required length which ranges from 1mm to 50mm to suit the sliding length of the special door bolt rod where as the guides in the form of rings or tubular pieces with a suitable diameter to suit the diameter of the special door bolt rod are welded at strategic points to allow sliding of the special door bolt in a controlled manner. Where as the encasing sheet with a semicircular bend at the center of the sheet is made plain on the upper and lower sides of the semicircular bend to an extent which ranges from 12mm to 50mm and bent back at a suitable angle which is generally 90° or more and the sheet is made plain or with a design and again bent back to flush with the level of the guides or slightly above the level of the rings or tubular guides so as to keep a distance from the tubular guides Or rings that are provided for the special door bolt rod and the sheet is provided with cut-slots at strategic points to allow bolt along with a washer to be inserted while fixing the special door bolt and wherein the cut-slots are provided with a dimensional criteria to suit the nut bolts and the actual specially bent up encasing sheet is bent as per the view sheets attached with this specification, (vi) A Product, Wherein the material for manufacture of Special Door Bolt may be selected from many a state of art materials, including, many known metals and alloys there of, including Stainless Steel, fiber-gloss, HDPE, polymers and a variety of minerals and chemical substances, reagents and catalysts, combinations and mixtures there of, further processed to achieve a higher strength and durability Or Cast-iron, Pig-iron, aluminum and a variety of Plastics, wherein The size, shape, dimensional-parameters are worked out based on the available criteria, technology and method of production and development of new technology or material for enriching the quality, durability etc., shall follow the relevant Country's Standards and Codes of Practice. (vii) A Product, Wherein, the Special Door Bolt is capable of inducing many shapes and sizes with decorations in the form of carving designs and many design features which enables the final product to improve the working and aesthetics of the product, wherein different techniques of assembly can be employed to enhance the final product, wherein the Special door Bolt is subjected to metal plating processes or Powder coating processes or any other processes to enhance the final finishing of the final product. (viii) A Product, Wherein, the production of different Components involves employment of different latest machinery and equipments like Lathes, Milling Machines, Drilling Machines, Power Press Machines, Channel Extruders Grinding Machines and Sheet Sharing and Sheet bending machines, Hot Press Machines and many automatic Machines, Tools and Dies Or Molds etc., which enhances the Precision of various parts or components of the Special Door Bolt System, Wherein the assembly of the Special Door Bolt which involves many a number of component units or parts there of and the assembly involves different technical tools and a variety of different welding, riveting, techniques to suit the technical requirements of the Special Door Bolt. (ix) A Product, Wherein, Locking or Interlocking-arrangements can be made while designing the Special Door Bolt System and it's components, so as to facilitate the Component Units for firm-gripping of Units to one another and to arrest movement of component Units after assembly / installation or jointing with a known material, is done/completed, (x) A Product, Wherein, Categorization of "Special Door Bolts" can be done based on the Type, Size, Shape and Provision of different specialty Features, Etc. and Whereas the Special Door Bolts are designed with Tolerances & Provisions for multiple applications with varied diameters, Shapes and Special-angular and other requirements and Whereas The size shape and dimensional Criteria are separately adopted for the design of Special Door Bolts to suit the technical needs of the Special Door Bolt System. (xi) A Product , Wherein, Many embodiments, modifications and alterations are possible within the Scope and frame-work of "Special Door Bolt", relating to design-processes, addition of new features, adoption of known methods, of production and manufacture of Special Door Bolts and its Component Units, Wherein the Product of Special Door Bolt System, as here in, illustrated as per the attached drawings, View-Sheets, governed, worked-out, conceptualized, exemplified and as Substantially described herein. (xii) FACTORS GOVERNING THE DESIGN-PROCESS AND PROCESS OF PRODUCTION OF "SPECIAL DOOR BOLT & IT'S COMPONENT UNITS" OR PARTS:- > Selection of materials that are suitable to produce "Special Door Bolt & it's Component Units"'. > Selecting a shape selected from Circular, Rectangular, Chamfered Rectangle, Polygonal, Transformed-Shapes Or any other and Composite Shapes, etc., where in many shapes are merged to serve the basic purpose of the "Special Door Bolt & it's Component Units" > "Special Door Bolt & it's Component Units" may be made Monolithic or In multiple part units to be assembled to make the final product. > Design of Different Component Units with many provisions & features. > Design of the Product as per the Strength requirements and as per the relevant Country's prevailing standards and Codes of practice. > When the selected material for manufacture of "Special Door Bolt & it's Component Units" is plastic or a polymeric material or fiber-gloss, the colors and shades of the final product is done to suit the colors of the Door & Door Frame. > The size shape and dimensional Criteria are separately adopted for the design of "Special Door Bolt & it's Component Units" respectively to suit the technical needs of the "Special Door Bolt & it's Component Units" > "Special Door Bolt & it's Component Units" may be produced monolithically or may be produced by designing the product in different Components with suitable known method to attach the component units to be assembled to form final product following a dimensional Criteria keeping in view the Purpose and application of relevant Country's Prevailing Standards and Codes of practice Or Market Standards. > Standardization of different Component-Units and Fixing-up of dimensions, keeping in view the market-demand, as per the prevailing code of practice or as per relevant country's prevailing Standards, so as to satisfy the legality of this "Special Door Bolt & it's Component Units" > Development of relevant Technology for production in bulk to satisfy the Market-Demand. > In-case of Exceptional Models of "Special Door Bolt & it's Component Units", where a coating or covering of a different material is required to protect the basic "Special Door Bolt & it's Component Units" structure and its material. Use of different protective Coatings or application of materials for increasing durability and finish of the "Special Door Bolt & it's Component Units" > The "Special Door Bolt & it's Component Units" may be selected from many a state of art materials, including, fiber-gloss, HDPE, polymers and a variety of minerals and chemical substances, reagents and catalysts, combinations and mixtures there of, further processed to achieve a higher strength and durability Or Cast-Metals or Alloys, aluminum and many known metals and alloys there of. The size, shape, dimensional-parameters are worked out based on the available criteria, technology and method of production and development of new technology or material for enriching the quality, durability etc., shall follow the relevant Country's Standards and Codes of Practice. > Making provisions for varied diameters of "Special Door Bolt & it's Component Units" and to cater to various Size and Shapes of different types of Doors and Shutters > The "Special Door Bolt & it's Component Units" are designed with Tolerances & Provisions for multiple applications with varied diameters, Shapes and Special-angular and other requirements. > Casting Techniques are developed and adopted based on the quantity of production that may be required to suit the market demand, in case of Caste-Metal Component Units production. > Categorization of "Special Door Bolt & it's Component Units" based on the Type, Size, Shape and Provision of different specialty needs of "Special Door Bolt & it's Component Units", Etc. > AH safety codes, Test-Codes, Other Codes of Practice and Standards of the relevant country shall be followed as provided and specified for "Special Door Bolt & it's Component Units" > Locking or Interlocking-arrangements can be made while designing the "Special Door Bolt & it's Component Units" , so as to facilitate the Component Units for firm-gripping of Units to one another and to arrest movement of component Units after assembly / installation or jointing with a known material, is done/completed. > Many embodiments, modifications and alterations are possible within the Scope and frame-work of "Special Door Bolt & it's Component Units", relating to design, processes, addition of new features, adoption of known methods, of production and manufacture of "Special Door Bolt & it's Component Units" > The door bolt Rod's diameter ranges from 4mm. To 50mm.Wherein the Length of the Door Bolt ranges from 75mm to 500mm,Wherein the thickness of the specially designed bent up sheet ranges from 0.50mm to 6mm, Wherein the Plates Thickness for manufacture of different Components of Special Door Bolt ranges from 1.00mm to 8.00 mm., where as the guides of the Special Door Bolt which are provided behind the bent up sheet to enable the door bolt rod to slide in a controlled manner with the help of the ridge provided at the center of the Special Door Bolt Rod, wherein tolerances for all dimensions are duly provided to enhance the working of the "Special Door Bolt Mechanism. (XIII) THE DIFFERENT COMPONENTS OF THE "SPECIAL DOOR BOLT" ARE AS FOLLOWS WHICH ARE APPLICABLE IN CASE OF A METAL DOOR BOLT:- 1) A Specially lathed Door Bolt Rod that slides in between the Tubular or Ring Guides or Plate Guides, with a Central Ridge that is created by lathing Or otherwise provided using a known Technique. 2) Tubular Pieces having a diameter slightly higher than the diameter of the Special Door Bolt Rod Or Rings with required strength Or Guide Plates that are to be inserted on to the Special door bolt rod that are fixed at Strategic places within the Semi-Circular Bend of the encasing specially bent up sheet that is designed to encase the mechanism of special door bolt system and the guides are welded to the encasing specially bent up sheet. 3) Specially Bent Up Sheet which is designed to cater to conceal guides nut bolt heads bent up as per the View Sheets having Cut-Slots behind to assist fixing of the Special Door Bolt to the Door wherein the sheet may be decorated with carving designs by hot pressing the Sheet or otherwise decorated by known means Or bent in a specially designed ways to achieve better aesthetics of the Special Door Bolt. 4) End Plate, that slides along with the Special Door Bolt Rod, which is designed to suit the other End Plate with or without a Built-in Door Handle which is fixed at the Locking End of the Encasing Specially Bent Up Sheet wherein the End plate is designed, to facilitate Locking with a Pad-Lock and as per the View Sheets and inserted and fixed to the Special Door Bolt Rod at the locking End which is specially lathed to suit to the End Plate. 5) A Stationary End Plate that is welded or riveted or otherwise fastened to the end of the Specially Bent Up encasing Sheet with a Built In Handle to handle the door and which allows a Locking Facility using a Regular Pad Lock, as per the attached View-Sheets. 6) Catching End Piece, with or without a built in door handle to cater to Double doors, which allows bolting the door by allowing the Special Door Bolt, get inserted into the Catching End Piece Guides, when pushed at the locking end using the end plate to complete bolting the door, which is fixed to the other door in case of Double Door and which is provided with Specially Bent up Sheet having tubular or Ring guide or guides Or Guide Plates provided into the semicircular Bend of the specially bent up sheet, Or at strategic place or places as per the View Sheets. (xiv) View Sheet-1 describes the various Components of the Special Door Bolt System and View Sheet-2 describes a front view of the Special Door Bolt Components, View-Sheet-3 illustrates the assembled front View of the Special Door Bolt and View Sheet-4 describes a photographic view of the Special Door Bolt after Assembly showing the Cut-Slots behind the specially bent up encasing sheet which allow insertion of nut bolts along with required washers etc. (xv) The following Example explains and illustrates as per the attached view-sheets, in detail, the Concept of "Special Door Bolt System", in a better manner, so as to understand the Concept and its implementation, for manufacture into a physical product. (xvi) EXAMPLE-1: - SPECIAL DOOR BOLT: The Process of Production Or Manufacture of "Special Door Bolt", using Mild Steel Material, based on the Governing factors & Worked out Ranges & Parameters, using relevant known Technology, Suitable to produce, "Special Door Bolfwhich comprises of the following Steps: - 1. Production of different parts of the Special Door Bolt, by Casting or by using ready made Sheets and Plates with required dimensional range, as per the design, using suitable machinery capable of production in bulk, as per the attached View Sheets. 2. Fixing in Position as per a strategic Assembly Method with required Expertise and with the help of customized special Tools Etc. 3. Welding, Riveting or fastening the Component Units as required by the assembly system. 4. Subjecting the Product to grinding as required and finishing the raw product using a known method. 5. Manual Correction or Modification using Hand Tools to improve the final Product. 6. Labeling Or inscribing the required matter on the product using a known Technology. 7. Subjecting the assembled Special Door Bolt to various known chemical Processes that enhance the finishing by metal plating, powder coating or painting or by applying any other known Process to give a final elegance to the product. 8. Finishing the Product Or its Component Units by polishing or by using known Method. 9. Assembly of Component Units when produced in more than One Component Units. 10. Final Finishing of the Assembled Product with a Finishing Coat. 11. Drying Process if Required. 12. Packing the Product to supply to the Market. The terms & expressions, view-drawings, attached with this specification are of description and not of limitation, there being no intention in the use of such terms & expressions of excluding any equivalents of the features and Concept, herein are possible without departing from the scope & ambit of this invention. I CLAIM: 1. A Product of " Special Door Bolt" with or without a built in door handle, with a specially lathed door bolt rod which is provided with a central ridge by a known method, which works as a controller of the sliding movement of the special door bolt within the guiding rings or tubular pieces, specially made guide plates as per view sheets that are welded or otherwise attached or fastened, at strategic places, to the encasing specially bent up sheet to encase the door bolt mechanism, whereas the special door bolt rod is provided with an end plate at the locking end, which is specially designed to suit the assembly of the special door bolt and wherein the plate is provided with a hole to match with another plate with a hole which is specially designed with a built in door handle and welded or riveted or otherwise fastened at the end of the encasing specially bent up sheet wherein the end plate of the special door bolt rod which is welded or otherwise fastened to the end following a strategic assembly system wherein the design process of the special door bolt is done merging the design process of the door handle and the basic purposes of the door bolt and door handle is achieved with a single Product that is called " Special Door Bolt" where as the end plate of the encasing specially bent up sheet and the end plate of the special door bolt rod are brought closer while bolting the door with the help of the built in handle wherein the holes provided in both the endplates enables to lock the special door bolt to lock with the help of a regular pad lock where as the special door bolt is fixed with the help of a hole marking card with true scale assisting the carpenter in fixing the special door bolt, wherein cut-slots are provided behind the encasing specially bent up sheet to enable the bolts to position into the cut-slots, wherein the sliding movement of the special door bolt causes to bolt the door when the end plate of the sliding special door bolt rod with the help of the end plate and the stationary end plate fastened at the end of specially bent up encasing sheet are brought together and unbolted in vice versa manner, Wherein, in case of single flush door with a door frame, the other end of the special door bolt rod other than the locking end is directly made to insert in to the door frame at a required point by drilling a suitable hole in to the door frame wherein, the hole is provided with a catching plate with a hole that is pressed into the drill hole of the door frame and whereas incase of a double door with a door frame, the other end of the special door bolt rod is provided with a catching end piece with or without a built in door handle, which is provided with a encasing sheet which is specially bent to match with other casing of the special door bolt, with provision of tubular or ring guides, or plate guides welded or otherwise fixed behind the specially bent up encasing sheet, which is fixed with help of a hole marking card and with the help of nut bolts which are inserted in to the cut slots provided behind the specially bent up sheet and fixed to the door, where as the "Special Door Bolt" is designed, to conceal the heads of the fixing bolts behind the encasing specially bent up sheet, thereby enhancing the aesthetics of the door as a whole, Wherein the plate with a built in handle is capable of working as a guide for the Special Door Bolt Rod and the Central ridge of the said door bolt rod can be provided at any strategic Point on the said door bolt rod, wherein, the "Special Door Bolt" is designed as per the illustrated view sheets and as per the relevant Country's Standard Codes of Practice and as per the Market Standards with regard to the size, shape, & dimensional Criteria that is being followed for different types of Special Door Bolts. 2. A Product as claimed in Claim: 1, Wherein, the Special Door Bolt is called by itself, it has a specially designed door bolt sliding rod which slides after closing the door or doors and the sliding door bolt is slid to bolt the door with the help of a pad lock. The Sliding door bolt rod is designed to have a central-ridge lathed up to the level of the guides of the Special Door Bolt that are provided behind the specially bent up sheet of the Special Door Bolt, the ridge provided at the center of the sliding rod works as a controller of sliding within the guides and enables the door bolt to slide within a range of distance so as to assist bolting the door and allowing to lock with the help of a pad lock. The end of the door bolt rod is lathed to an extent required in width and depth by reducing the diameter of the door bolt rod slightly to allow assembly of the end Plate which is specially designed to get inserted into the end plate which is designed to work as a stopper and work as a locking end whereas the door bolt rod and the end plate is made monolithic by welding or by any other known technique, following the special system of assembly of the Special Door Bolt System. 3. A Product as claimed in Claim: 1 & 2, The door bolt Rod's diameter ranges from 4mm. To 50mm. Wherein the Length of the Door Bolt ranges from 75mm to 500mm,Wherein the thickness of the specially designed bent up sheet ranges from 0.50mm to 6mm, Wherein the Plate's Thickness for manufacture of different Components of Special Door Bolt ranges from 1.00mm to 8.00 mm., where as the guides of the Special Door Bolt which are provided behind the bent up sheet to enable the door bolt rod to slide in a controlled manner with the help of the ridge provided at the center of the Special Door Bolt Rod, wherein tolerances for all dimensions are duly provided to enhance the working of the "Special Door Bolt Mechanism. 4. A Product as claimed in Claim: 1 & 3, Wherein The specially designed bent up encasing Sheet consists of a semicircular bend at the center of the sheet so as to encase the Special Door Bolt Rod and dimensional criteria is adopted to suit the dia of special door bolt rod and the guides that are to be provided by inserting into the special door bolt rod and welded to the encasing sheet where in the guides are in the shape of rings with required strength or tubular pieces Or plates, with required length which ranges from 1mm to 50mm to suit the sliding length of the special door bolt rod where as the guides in the form of rings or tubular pieces with a suitable diameter to suit the diameter of the special door bolt rod are welded at strategic points to allow sliding of the special door bolt in a controlled manner. Where as the encasing sheet with a semicircular bend at the center of the sheet is made plain on the upper and lower sides of the semicircular bend to an extent which ranges from 12mm to 50mm and bent back at a suitable angle which is generally 90° or more and the sheet is made plain or with a design and again bent back to flush with the level of the guides or slightly above the level of the rings or tubular guides so as to keep a distance from the tubular guides Or rings that are provided for the special door bolt rod and the sheet is provided with cut-slots at strategic points to allow bolt along with a washer to be inserted while fixing the special door bolt and wherein the cut-slots are provided with a dimensional criteria to suit the nut bolts and the actual specially bent up encasing sheet is bent as per the view sheets attached with this specification. 5. A Product as claimed Claim: 1 & 4, Wherein the material for manufacture of Special Door Bolt may be selected from many a state of art materials, including, many known metals and alloys there of, including Stainless Steel, fiber-gloss, HDPE, polymers and a variety of minerals and chemical substances, reagents and catalysts, combinations and mixtures there of, further processed to achieve a higher strength and durability Or Cast-Metals Or Alloys, aluminum and a variety of Plastics, wherein The size, shape, dimensional-parameters are worked out based on the available criteria, technology and method of production and development of new technology or material for enriching the quality, durability etc., shall follow the relevant Country's Standards and Codes of Practice. 6. A Product as claimed in Claim: 1 to 5, Wherein, the Special Door Bolt is capable of inducing many shapes and sizes with decorations in the form of carving designs and many a design features which enables the final product to improve the working and aesthetics of the product, wherein different techniques of assembly can be employed to enhance the final product, wherein the Special door Bolt is subjected to metal plating processes or Powder coating processes or any other processes to enhance the final finishing of the final product. 7. A Product as claimed in Claim: 1 to 6, Wherein, the production of different Components involves employment of different latest machinery and equipments like Lathes, Milling Machines, Drilling Machines, Power Press Machines, Grinding Machines, Channel Extruders and Sheet Sharing and Sheet bending machines, Hot Press Machines and many automatic Machines, Tools and Dies Or Molds etc., which enhances the Precision of various parts or components of the Special Door Bolt System, Wherein the assembly of the Special Door Bolt which involves many a number of component units or parts there of and the assembly involves different technical tools and a variety of different welding, riveting, techniques to suit the technical requirements of the Special Door Bolt 8. A Product as claimed in Claim: 1 to 7, Wherein, Locking or Interlocking-arrangements can be made while designing the Special Door Bolt System and it's components, so as to facilitate the Component Units for firm-gripping of Units to one another and to arrest movement of component Units after assembly / installation or jointing with a known material, is done/completed. 9. A Product as claimed in Claim: 1 to 8, Wherein, Categorization of "Special Door Bolts" can be done based on the Type, Size, Shape and Provision of different specialty Features, Etc. and Whereas the Special Door Bolts are designed with Tolerances & Provisions for multiple applications with varied diameters, Shapes and Special-angular and other requirements and Whereas The size shape and dimensional Criteria are separately adopted for the design of Special Door Bolts to suit the technical needs of the Special Door Bolt System. 10. A Product as claimed in Claim: 1 to 9, Wherein, Many embodiments, modifications and alterations are possible within the Scope and frame-work of "Special Door Bolt System", relating to design-processes, addition of new features, adoption of known methods, of production and manufacture of Special Door Bolts and its Component Units, Wherein the Product of Special Door Bolt System, as here in, illustrated as per the attached drawings, View-Sheets, governed, worked-out, conceptualized, exemplified and as Substantially described herein.

Documents:

1153-CHE-2007 AMENDED PAGES OF SPECIFICATION 01-08-2011.pdf

1153-CHE-2007 AMENDED CLAIMS 01-08-2011.pdf

1153-CHE-2007 FORM-13 13-10-2010.pdf

1153-CHE-2007 AMENDED PAGES OF SPECIFICATION 12-01-2012.pdf

1153-CHE-2007 AMENDED CLAIMS 12-01-2012.pdf

1153-CHE-2007 CORRESPONDENCE OTHERS 12-01-2012.pdf

1153-CHE-2007 EXAMINATION REPORT REPLY RECEIVED 01-08-2011.pdf

1153-CHE-2007 FORM-13 11-01-2012.pdf

1153-CHE-2007 CORRESPONDENCE OTHERS 13-03-2012.pdf

1153-CHE-2007 CORRESPONDENCE OTHERS.pdf

1153-CHE-2007 CORRESPONDENCE PO.pdf

1153-CHE-2007 FORM-1 13-03-2012.pdf

1153-che-2007-abstract.pdf

1153-che-2007-claims.pdf

1153-che-2007-correspondnece-others.pdf

1153-che-2007-correspondnece-po.pdf

1153-che-2007-description(complete).pdf

1153-che-2007-drawings.pdf

1153-che-2007-form 1.pdf

1153-che-2007-form9.pdf