Door hinge repair apparatus and method

• US 7,003,859 B2
• Filed: 02/23/2005
• Issued: 02/28/2006
• Est. Priority Date: 06/04/2003
• Status: Active Grant

• Current Assignee: Total Automotive Incorporated
• Original Assignee: Ronald F. Lehner
• Inventors: Lehner, Ronald F.
• Primary Examiner(s): Hong, John C.
• Application Number:
  US11/064,371
• Publication Number:
  US 20050138773A1
• Time in Patent Office: 370 Days
• Field of Search: 294/020.3, 294/020.8, 294/021.4, 294/021.5, 295/251.1, 292/70, 292/71, 29/11, 292/55, 163/86, 163/40
• US Class Current: 29/402.03
• CPC Class Codes: B23P 6/00 Restoring or reconditioning objects straightening or restoring form of sheet metal, metal rods, metal tubes, metal profiles, or specific articles made therefrom B21D1/00, B21D3/00; repairing defective or damaged objects by casting techniques B22D19/10
• CPC Class Codes: B25B 27/14 for assembling objects other than by press fit or detaching same
• CPC Class Codes: E05D 11/00 Additional features or accessories of hinges edge protecting devices E06B3/88
• CPC Class Codes: E05D 5/121 Screw-threaded pins
• CPC Class Codes: E05D 5/127 by forcing the pin into the socket E05D5/125 takes precedence
• CPC Class Codes: E05Y 2800/00 Details, accessories and auxiliary operations not otherwise provided for
• CPC Class Codes: E05Y 2800/70 Retrofitting of elements
• CPC Class Codes: E05Y 2900/531 Doors
• CPC Class Codes: Y10T 29/24 Hinge making or assembling
• CPC Class Codes: Y10T 29/49718 Repairing
• CPC Class Codes: Y10T 29/49721 with disassembling
• CPC Class Codes: Y10T 29/4973 Replacing of defective part
• CPC Class Codes: Y10T 29/49732 by attaching repair preform, e.g., remaking, restoring, or patching
• CPC Class Codes: Y10T 29/5343 Means to drive self-piercing work part

Abstract

Apparatus for use in repairing, and methods of repairing, a door hinge of a vehicle includes use of a substitute hinge bracket and at least one pin configured to be received through at least one opening of a vehicle frame bracket. A locking portion of the at least one pin and a locking surface that defines an opening in the hinge bracket are configured such that the at least one pin is locked in a fixed position relative to the hinge bracket when assembled. Further, another repair apparatus includes a substitute pin having an interference portion for forming an interference fit with one or more surfaces defining an opening of a factory hinge bracket.

Claims

1. A method for repairing a door hinge, wherein the door hinge comprises at least a vehicle frame bracket attached to a portion of a vehicle frame and a hinge bracket, wherein the vehicle frame bracket comprises a first and second opening aligned along and lying orthogonal to a frame bracket axis, wherein the hinge bracket comprises a first and second opening aligned along and lying orthogonal to the frame bracket axis, wherein the vehicle frame bracket and the hinge bracket are coupled using a first pin positioned in the first opening of the vehicle frame bracket and the first opening of the hinge bracket and using a second pin positioned in the second opening of the vehicle frame bracket and the second opening of the hinge bracket, wherein the method comprises:

removing the first and second pins to release the hinge bracket from the vehicle frame bracket, wherein removing the first and second pins comprises;

removing ends of the first and second pins holding the first and second pins in the openings of the hinge bracket and vehicle frame bracket;

pushing the first and second pins out of the openings of the hinge bracket and vehicle frame bracket using a punch tool, wherein the punch tool comprises;

a body portion; and

first and second spaced apart portions extending from the body portion to define a bracket receiving region therebetween configured to receive a portion of the vehicle frame bracket and the hinge bracket when the tool is used to remove one of the first and second pins, wherein one of the first and second spaced apart portions defines a pin receiving region configured to receive one of the first and second pins when the tool is used to remove the pin and the other of the first and second spaced apart portions defines a threaded opening configured to receive a threaded punch screw operable to engage the pin when the tool is being used to remove the pin;

providing a first substitute pin configured to be received through the first opening of the vehicle frame bracket and a second substitute pin configured to be received through the second opening of the vehicle frame bracket;

providing a substitute hinge bracket comprising a first and second opening aligned orthogonal on a substitute hinge bracket axis;

aligning the substitute hinge bracket axis and the vehicle frame bracket axis; and

coupling the vehicle frame bracket and the substitute hinge bracket using the first and second substitute pins.

2. The method of claim 1, wherein each of the first and second substitute pins comprises a threaded end portion, and further wherein the method comprises coupling a first nut on the threaded end portion of the first substitute pin after the first substitute pin is inserted through the first opening of the vehicle frame bracket and the first opening of the substitute hinge bracket and coupling a second nut on the threaded end portion of the second substitute pin after the second substitute pin is inserted through the second opening of the vehicle frame bracket and the second opening of the substitute hinge bracket.

3. The method of claim 2, wherein the method further comprises providing a first bushing in the first opening of the vehicle frame bracket and providing a second bushing in the second opening of the vehicle frame bracket, wherein the first bushing defines an opening through which the first substitute pin is inserted and the second bushing defines an opening through which the second substitute pin is inserted.

4. The method of claim 3, wherein coupling the first nut on the threaded end portion of the first substitute pin comprises tightening the first nut against an engagement surface of the first substitute pin or first bushing existing at a distance below and outside of the first opening defined in the vehicle frame bracket so as to prevent over-tightening of the first nut against the vehicle frame bracket or wherein coupling the second nut on the threaded end portion of the second substitute pin comprises tightening the second nut against an engagement surface of the second substitute pin or second bushing existing at a distance below and outside of the second opening defined in the vehicle frame bracket so as to prevent over-tightening of the second nut against the vehicle frame bracket.

5. The method of claim 2, wherein each of the first substitute pin and second substitute pin comprises an elongated pin end portion extending along a pin axis at an end opposite the threaded end portion of the first substitute pin, and further wherein each of the first substitute pin and second substitute pin comprises an engagement element extending orthogonal to the pin axis at a position between the threaded end portion and the pin end portion to maintain the pin end portion at a position to receive a door bracket, wherein the door bracket comprises a first opening to be positioned on the pin end portion of the first substitute pin and a second opening to be positioned on the pin end portion of the second substitute pin after the vehicle frame bracket and the substitute hinge bracket are coupled using the first and second substitute pins.

6. The method of claim 5, wherein the engagement element of each of the first substitute pin and second substitute pin is configured with one or more grasping surfaces, and wherein coupling the vehicle frame bracket and the substitute hinge bracket using the first and second substitute pins comprises holding and/or turning at least one of the first substitute pin and second substitute pin using a tool corresponding to such grasping surfaces.

7. A method for repairing a door hinge, wherein the door hinge comprises at least a vehicle frame bracket attached to a portion of a vehicle frame and a hinge bracket, wherein the vehicle frame bracket comprises a first and second opening aligned along and lying orthogonal to a frame bracket axis, wherein the hinge bracket comprises a first and second opening aligned along and lying orthogonal to the frame bracket axis, wherein the vehicle frame bracket and the hinge bracket are coupled using a first pin positioned in the first opening of the vehicle frame bracket and the first opening of the hinge bracket and using a second pin positioned in the second opening of the vehicle frame bracket and the second opening of the hinge bracket, wherein the method comprises:

removing the first and second pins to release the hinge bracket from the vehicle frame bracket, wherein removing the first and second pins comprises;

removing ends of the first and second pins holding the first and second pins in the openings of the hinge bracket and vehicle frame bracket;

pushing the first and second pins out of the openings of the hinge bracket and vehicle frame bracket using a punch tool, wherein the punch tool comprises;

a body portion; and

first and second spaced apart portions extending from the body portion to define a bracket receiving region therebetween configured to receive a portion of the vehicle frame bracket and the hinge bracket when the tool is used to remove one of the first and second pins, wherein one of the first and second spaced apart portions defines a pin receiving region configured to receive one of the first and second pins when the tool is used to remove the pin and the other of the first and second spaced apart portions defines a threaded opening configured to receive a threaded punch screw operable to engage the pin when the tool is being used to remove the pin;

providing a first substitute pin configured to be received through the first opening of the vehicle frame bracket and a second substitute pin configured to be received through the second opening of the vehicle frame bracket;

aligning the hinge bracket and the vehicle frame bracket; and

coupling the vehicle frame bracket and the hinge bracket using the first and second substitute pins.

8. The method of claim 7, wherein at least one of the first and second substitute pins comprises:

an interference portion to form an interference fit with one or more surfaces defining the opening of the hinge bracket in which the at least one substitute pin is to be received;

a threaded end portion configured to be inserted through the opening defined in the vehicle frame bracket and the opening defined in the hinge bracket for coupling to a nut;

an elongated pin end portion extending along a pin axis at an end opposite the threaded end portion of the at least one pin; and

an engagement element extending orthogonal to the pin axis at a position between the threaded end portion and the pin end portion to maintain the pin end portion at a position to receive a door bracket of the vehicle when the nut is coupled to the threaded end portion.

9. The method of claim 8, wherein the engagement element is configured with one or more grasping surfaces such that a tool corresponding to such grasping surfaces can be used to hold and/or turn the engagement element, and further wherein coupling the vehicle frame bracket and the hinge bracket comprises using the tool corresponding to the grasping surfaces to hold and/or turn at least one of the first and second substitute pins.

10. The method of claim 8, wherein the interference portion is configured such that substantially an entire inner surface defining the opening of the hinge bracket is in contact with the interference portion of the substitute pin when at least a part of the interference portion of the substitute pin is positioned in the opening of the hinge bracket.