Door hinge for vehicle

• US 6,568,741 B1
• Filed: 06/26/2002
• Issued: 05/27/2003
• Est. Priority Date: 06/26/2002
• Status: Expired due to Fees

• Current Assignee: GM Global Technology Operations Incorporated (General Motors Company)
• Original Assignee: General Motors Corporation (General Motors Company)
• Inventors: Leung, Kuen Cheuk, Lee, Albert G, Kolosick, Michael D
• Primary Examiner(s): Dayoan, D. Glenn
• Assistant Examiner(s): Coletta, Lori L
• Application Number:
  US10/185,313
• Time in Patent Office: 335 Days
• Field of Search: 296/146.1, 296/146.11, 163/35, 163/34
• US Class Current: 296/146.11
• CPC Class Codes: E05D 11/1042 the maintaining means being a cam and a torsion bar, e.g. motor vehicle hinge mechanisms
• CPC Class Codes: E05D 11/1057 specially adapted for vehicles E05D11/1064 takes precedence
• CPC Class Codes: E05D 5/062 specially adapted for vehicles
• CPC Class Codes: E05Y 2900/531 Doors

Abstract

A door hinge is provided for a door of a vehicle. The door hinge includes a body side hinge strap adapted to be connected to a vehicle body of the vehicle. The door hinge also includes a door side hinge strap adapted to be connected to the door for closing an opening in the vehicle body. The door hinge includes a roller assembly connected to the door side hinge strap. The door hinge further includes a cam pivotally connected to the body side hinge strap and cooperable with the roller assembly, and a spring interconnecting the body side hinge strap and the door side hinge strap to act as an integral check and urge the cam into contact with the roller assembly.

Claims

1. A door hinge for a door of a vehicle comprising:

a body side hinge strap adapted to be connected to a vehicle body of the vehicle;

a door side hinge strap adapted to be connected to the door for closing an opening in the vehicle body;

a roller assembly connected to said door side hinge strap;

a cam pivotally connected to said body side hinge strap and cooperable with said roller assembly; and

a spring being one of a torsional type and a leaf type operatively connected to said body side hinge strap to act as an integral check and urge said cam into contact with said roller assembly.

2. A door hinge as set forth in claim 1 wherein said roller assembly comprises a roller member and a first shaft extending through said roller member and connected to said door side hinge strap.

3. A door hinge as set forth in claim 2 wherein said cam includes a plurality of recesses for receiving said roller member in predetermined positions.

4. A door hinge as set forth in claim 2 including a second shaft extending through said cam and connected to said body side hinge strap.

5. A door hinge as set forth in claim 4 wherein said spring is disposed about said second shaft.

6. A door hinge as set forth in claim 1 wherein said spring has a base wall and an end wall extending upwardly from said base wall and contacting said cam.

7. A door hinge as set forth in claim 1 including a pin for pivotally connecting said door side hinge strap to said body side hinge strap.

8. A door hinge as set forth in claim 1 including fasteners for fastening said body side hinge strap to the vehicle body and said door side hinge strap to the door.

9. A door hinge for a door of a vehicle comprising:

a body side hinge strap adapted to be connected to a vehicle body of the vehicle;

a door side hinge strap adapted to be connected to the door for closing an opening in the vehicle body;

a pin for pivotally connecting said door side hinge strap to said body side hinge strap;

a roller assembly connected to said door side hinge strap;

a cam pivotally connected to said body side hinge strap and cooperable with said roller assembly; and

a spring being one of a torsional type and a leaf type operatively connected to said body side hinge strap to act as an integral check and urge said cam into contact with said roller assembly.

10. A door hinge as set forth in claim 9 wherein said roller assembly comprises a roller member and a first shaft extending through said roller member and connected to said door side hinge strap.

11. A door hinge as set forth in claim 10 wherein said cam includes a plurality of recesses for receiving said roller member in predetermined positions.

12. A door hinge as set forth in claim 9 including a second shaft extending through said cam and connected to said body side hinge strap.

13. A door hinge as set forth in claim 12 wherein said spring is disposed about said second shaft.

14. A door hinge as set forth in claim 9 wherein said spring has a base wall and an end wall extending upwardly from said base wall and contacting said cam.

15. A door hinge as set forth in claim 9 including fasteners for fastening said body side hinge strap to the vehicle body and said door side hinge strap to the door.

16. A door assembly of a vehicle comprising:

a vehicle body having an opening extending therethrough;

a door for opening and closing said opening; and

at least one door hinge interconnecting said vehicle body and said door, said at least one door hinge comprising a body side hinge strap connected to said vehicle body, a door side hinge strap connected to said door, a pin pivotally connecting said door side hinge strap to said body side hinge strap, a roller assembly connected to said door side hinge strap, a cam pivotally connected to said body side hinge strap and cooperable with said roller assembly, and a spring being one of a torsional type and a leaf type operatively connected to said body side hinge strap to act as an integral check and urge said cam into contact with said roller assembly.