US4116402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Passenger restraining belt retractor
Assignee: Tokai Rika Co Ltd
•
Filing: 1977-07-25
•
Granted: 1978-09-26
•
Expires: 1997-07-25
Abstract
Abstract A passenger restraining belt retractor for winding up two restraining belts on a single retractor shaft over the other including a base, a retractor shaft rotatably supported by said base for winding up the belts during retraction, a guide, a roller which engages with and presses against the guide one of the belts, the roller being arranged and configured to rotate as the other one of the two belts is extended thereby insuring that both belts are extended simultaneously.
Inventors
- 👤 Kenichiro Nomura
- 👤 Mamoru Mori
- 👤 Jun Yasumatsu
- 👤 Tatsushi Kubota
- 👤 Sadao Hachisuka
- 👤 Kazuhisa Tatematsu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:46
CPC Classifications
B; B60; B60R; B60R22/00; B60R22/34; B60R22/18; B60R2022/1818; B60R2022/1825; B60R2022/3424
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
95 words
A passenger restraining belt retractor for winding up two restraining belts, on a single retractor shaft one over the other comprising: a base; a retractor shaft rotatably supported by said base; two restraining belts wound up on said retractor shaft one over the other; a guide adjacent one of said belts; a first roller, said roller engaging with and pressing against said guide one of said belts; and a transmission means for causing said roller to rotate as the other one of said two belts is extended thereby insuring that both belts are extended equally.
Claim 2
Dependent Claim
95 words
A passenger restraining belt retractor for winding up two restraining belts, on a single retractor shaft one over the other comprising: a base; a retractor shaft rotatably supported by said base; two restraining belts wound up on said retractor shaft one over the other; a guide adjacent one of said belts; a first roller, said roller engaging with and pressing against said guide one of said belts; and a transmission means for causing said roller to rotate as the other one of said two belts is extended thereby insuring that both belts are extended equally.
Claim 3
Dependent Claim
39 words
A retractor according to claim 1 wherein said transmission means comprises a first gear fixed to said retractor shaft, a second gear coupled to said first roller and an idler gear meshing with both said first and second gears.
Claim 4
Dependent Claim
13 words
A retractor according to claim 1 wherein said guide comprises a guide roller.
Claim 5
Dependent Claim
23 words
A retractor according to claim 3 wherein said first and second rollers are made from a material having a high coefficient of friction.
Claim 6
Dependent Claim
42 words
A retractor according to claim 1 wherein said guide comprises: a guide shaft rotatably supported by said base; a guide arm fixed to said guide shaft; and a guide roller rotatably mounted on one end of the tip of said guide arm.
Claim 7
Dependent Claim
38 words
A retractor according to claim 5 further comprises: a spring provided between said base and one end of said guide shaft whereby said guide roller is pressed against one of said two restraining belts and said first roller.
Claim 8
Dependent Claim
16 words
A retractor according to claim 4 wherein said second roller has teeth formed on its circumference.
Claim 9
Dependent Claim
51 words
A retractor according to claim 1 wherein said transmission means comprises a second roller engaging with said other one of said two seat belts, a first pulley coupled to said second roller, a second pulley coupled to said first roller and an endless belt coupling said first and second pulleys together.
Claim 10
Dependent Claim
102 words
A passenger restraining belt retractor for winding up two restraining belts on a single retractor shaft one over the other, comprising: a base; a retractor shaft rotatably supported by said base; two restraining belts would up on said retractor shaft one over the other, a guide including a guide roller pressing against one of said two belts; a first roller pressing against and guiding said one of said two belts together with said guide roller; a first gear fixed to said retractor shaft; a second gear coupled to said first roller; and an idler gear meshing with both first and second gears.
Claim 11
Dependent Claim
102 words
A passenger restraining belt retractor for winding up two restraining belts on a single retractor shaft one over the other, comprising: a base; a retractor shaft rotatably supported by said base; two restraining belts would up on said retractor shaft one over the other, a guide including a guide roller pressing against one of said two belts; a first roller pressing against and guiding said one of said two belts together with said guide roller; a first gear fixed to said retractor shaft; a second gear coupled to said first roller; and an idler gear meshing with both first and second gears.
Claim 12
Dependent Claim
23 words
A retractor according to claim 9 wherein said first and guide rollers are made from a material having a high coefficient of friction.
References Cited (Backward Citations)
US2814504A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-09-25 | 1982-03-27 | 1982-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-09-25 | 1986-03-27 | 1986-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-09-25 | 1990-03-27 | 1990-09-26 | $7700.00 | Window Closed / Lapsed |