Title of Invention

AUTOMOTIVE DOOR HINGE WITH REMOVABLE COMPONENT ADAPTED FOR STRUCTURAL REASSEMBLY

Abstract

An automotive hinge adapted to facilitate removable attachment of a closure panel to a body structure, comprising: (a) a door component having upper and lower door component pivot arms adapted to be mounted to a vehicular closure panel; said door component comprising an upper pivot bushing configured to fit tightly over the external cylindrical bearing surface of a cylindrical protrusion; (b) a body component comprising upper and lower body component pivot arms adapted to be mounted to a vehicular body structure; (c) a common pivot axis around which the door component and body component are adapted to rotate in relation to each other; (d) the cylindrical protrusion adapted to be coaxially aligned with the pivot axis and structurally attached to and extended above the upper pivot arm of the body component; said cylindrical protrusion having an internally threaded portion which interacts with an externally threaded portion of a pivot pin; (e) the pivot pin adapted to extend through both said pivot arms of both said hinge components; wherein the door component is adapted to interleave over the body component, dimensionally locating the closure panel and the body structure by means of an external cylindrical bearing surface on the cylindrical protrusion, and is adapted to be held in assembly by means of the pivot pin to create a fully structural, double hung pivot joint such that the positional tolerance of the assembled door and body components is closely held during reattachment of the closure panel after post-painting removal of the closure panel.

Full Text

FORM 2 THE PATENTS ACT, 1970 (39 of 1970) COMPLETE SPECIFICATION AUTOMOTIVE DOOR HINGE WITH REMOVABLE COMPONENT ADAPTED FOR STRUCTURAL REASSEMBLY; MULTIMATIC, INC., A CORPORATION ORGANIZED AND EXISTING UNDER THE LAWS OF CANADA, WHOSE ADDRESS IS 85 VALLEYWOOD DRIVE, MARKHAM, ONTARIO L3R 5E5, CANADA. THE FOLLOWING, SPECIFICATION. PARTICULARLY DESCRIBES THE NATURE OF THE INVENTION AND THE MANNER IN WHICH IT IS TO BE PERFOMED. WE CLAIM 1. An automotive hinge adapted to facilitate removable attachment of a closure panel to a body structure, comprising: (a) a door component having upper and lower door component pivot arms adapted to be mounted to a vehicular closure panel; said door component comprising an upper pivot bushing configured to fit tightly over the external cylindrical bearing surface of a cylindrical protrusion; (b) a body component comprising upper and lower body component pivot arms adapted to be mounted to a vehicular body structure; (c) a common pivot axis around which the door component and body component are adapted to rotate in relation to each other; (d) the cylindrical protrusion adapted to be coaxially aligned with the pivot axis and structurally attached to and extended above the upper pivot arm of the body component; said cylindrical protrusion having an internally threaded portion which interacts with an externally threaded portion of a pivot pin; (e) the pivot pin adapted to extend through both said pivot arms of both said hinge components; wherein the door component is adapted to interleave over the body component, dimensionally locating the closure panel and the body structure by means of an external cylindrical bearing surface on the cylindrical protrusion, and is adapted to be held in assembly by means of the pivot pin to create a fully structural, double hung pivot joint such that the positional tolerance of the assembled door and body components is closely held during reattachment of the closure panel after post-painting removal of the closure panel. 2. The automotive hinge of claim 1, wherein the cylindrical protrusion comprises a machined component retained in the pivot arm of the body component by means of welding, bonding, material upsetting, or similar mechanical fastening means. 3. The automotive hinge of claim 1 or 2 wherein the cylindrical protrusion is formed out of the material of the pivot arm of the body component. 4. The automotive hinge of claim 1 or 2 or 3, wherein the cylindrical protrusion comprises a smooth internal bore adapted to interact with a physical external feature on the pivot pin to provide a positive retention means for the pivot pin once it has been finally seated during reinstallation of the closure panel. 5. The automotive hinge of claim 4 wherein the physical external feature on the pivot pin is a knurl, spline or other similar interface feature. 6. The automotive hinge of claim 1 or 2 or 3 or 4 or 5, wherein the external cylindrical bearing surface on the cylindrical protrusion comprises a slight taper, parallel to the pivot axis, to aid in lowering the separation forces required to separate the hinge components. Dated this 15th day of May 2002. FOR MULTIMATIC INC. By their Agent (MANISH SAURASTRI) KRISHNA & SAURASTRI

Documents:

442-mum-2002-assignment(22-5-2002).pdf

442-mum-2002-cancelled pages(20-12-2004).pdf

442-mum-2002-claims(granted)-(20-12-2004).doc

442-mum-2002-claims(granted)-(20-12-2004).pdf

442-mum-2002-correspondence(20-12-2004).pdf

442-mum-2002-correspondence(ipo)-(19-12-2003).pdf

442-mum-2002-form 1(15-5-2002).pdf

442-mum-2002-form 19(4-8-2003).pdf

442-mum-2002-form 2(granted)-(20-12-2004).doc

442-mum-2002-form 2(granted)-(20-12-2004).pdf

442-mum-2002-form 3(15-5-2002).pdf

442-mum-2002-form 3(16-9-2002).pdf

442-mum-2002-form 5(15-5-2002).pdf

442-mum-2002-notarial certificate(22-5-2002).pdf

442-mum-2002-petition under rule 137(7-4-2004).pdf

442-mum-2002-petition under rule 138(7-4-2004).pdf

442-mum-2002-power of attorney(15-5-2002).pdf