Patent US3889316A successfully refreshed from Google Patents.
US3889316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hinge assembly for a vehicle door
Assignee: Nissan Motor Co Ltd
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Filing: 1974-06-24
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Granted: 1975-06-17
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Expires: 1994-06-24
Abstract
Abstract A hinge assembly for a door structure of an automotive vehicle, comprising a door-side hinge bracket mounted on a body structure defining an opening for the door structure, a door-side hinge bracket mounted on the door structure, a hinge pin fixedly mounted on the door-side hinge bracket and pivotally supported on the body-side hinge bracket, a cam member having recessed flanks which correspond respectively to closed, half-open and fully-open positions of the door structure, and a torsion spring which is anchored at its ends to the body-side and door-side hinge brackets and which is engageable with any of the three recessed flanks of the cam member depending upon the rotational position of the door structure and accordingly the hinge pin and the cam member about an axis of the hinge pin.
Inventors
- 👤 Shyouichi Koike
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:46
CPC Classifications
E; E05; E05D; E05D11/00; E05D11/10; E05D11/1028; E05D11/1042; E05Y; E05Y2900/00; E05Y2900/50; E05Y2900/53; E05Y2900/531
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
189 words
A two-stage checking hinge assembly for a door structure of an automotive vehicle comprising, in combination, a body-side hinge bracket fixedly mounted on a vehicle body structure defining an opening for the door structure, a door-side hinge bracket fixedly mounted on the door structure and positioned in association with the body-side hinge bracket, a hinge pin fixedly mounted on the door-side hinge bracket and pivotally supported on the body-side hinge bracket for permitting the door-side hinge bracket and the door structure to turn about an axis of the hinge pin, a cam member fast on the hinge pin and having first, second and third recessed flanks which correspond respectively with closed, half-open and fully-open positions of the door structure, and a torsion spring which is anchored at one end to the bodyside hinge bracket and at the other end to the door-side hinge bracket and which is engageable with the first, second and third recessed flanks of the cam member for biasing the door structure into any of the closed, half-open and fully-open positions depending upon the rotational position of the hinge pin relative to the body-side hinge bracket.
Claim 2
Dependent Claim
189 words
A two-stage checking hinge assembly for a door structure of an automotive vehicle comprising, in combination, a body-side hinge bracket fixedly mounted on a vehicle body structure defining an opening for the door structure, a door-side hinge bracket fixedly mounted on the door structure and positioned in association with the body-side hinge bracket, a hinge pin fixedly mounted on the door-side hinge bracket and pivotally supported on the body-side hinge bracket for permitting the door-side hinge bracket and the door structure to turn about an axis of the hinge pin, a cam member fast on the hinge pin and having first, second and third recessed flanks which correspond respectively with closed, half-open and fully-open positions of the door structure, and a torsion spring which is anchored at one end to the bodyside hinge bracket and at the other end to the door-side hinge bracket and which is engageable with the first, second and third recessed flanks of the cam member for biasing the door structure into any of the closed, half-open and fully-open positions depending upon the rotational position of the hinge pin relative to the body-side hinge bracket.
Claim 3
Dependent Claim
58 words
A two-stage checking hinge assembly as claimed in claim 1, in which said door-side hinge bracket is formed with an axially serrated aperture having an axis in parallel to the axis of the hinge pin and the hinge pin has an axially serrated portion which is in splined engagement with the door-side hinge bracket through said serrated aperture.
Claim 4
Dependent Claim
42 words
A two-stage checking hinge assembly as claimed in claim 1, further comprising a stop member fast on said cam member and fixedly engaging said door-side hinge bracket for securely connecting the cam member and the hinge pin to the door-side hinge bracket.
Claim 5
Dependent Claim
21 words
A two-stage checking hinge assembly as claimed in claim 3, in which said hinge pin is integral with said cam member.
Claim 6
Dependent Claim
33 words
A two-stage checking hinge assembly as claimed in claim 3, in which said door-side hinge bracket and said cam member are formed with vertically aligned apertures through which said hinge pin is inserted.
Claim 7
Dependent Claim
34 words
A two-stage checking hinge assembly as claimed in claim 3, in which said stop member is a pin fast on the cam member and inserted through an aperture formed in said door-side hinge bracket.
Claim 8
Dependent Claim
24 words
A two-stage checking hinge assembly as claimed in claim 6, in which said pin constituting said stop member is integral with the cam member.
Claim 9
Dependent Claim
29 words
A two-stage checking hinge assembly as claimed in claim 6, in which said pin constituting said stop member is inserted through an aperture formed in said door-side hinge assembly.
Claim 10
Dependent Claim
76 words
A two-stage checking hinge assembly as claimed in claim 1, in which said body-side hinge bracket has spaced upper and lower horizontal portions formed with vertically aligned recesses and in which said torsion spring has a vertical intermediate portion received in said Aligned recesses and upper and lower end portions which are vertically turned in opposite directions to each other and which are anchored on said upper and lower horizontal portions of the body-side hinge bracket.
Claim 11
Dependent Claim
30 words
A two-stage checking hinge assembly as claimed in claim 1, further comprising stop means for preventing axial movement of the hinge pin relative to the body-side and door-side hinge brackets.
References Cited (Backward Citations)
US3370317A
Cited
US3820192A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-06-16 | 1978-12-16 | 1979-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-06-16 | 1982-12-16 | 1983-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-06-16 | 1986-12-16 | 1987-06-17 | $7700.00 | Window Closed / Lapsed |