US4130253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seat belt winding device
Assignee: Toyota Motor Corp
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Filing: 1977-07-25
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Granted: 1978-12-19
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Expires: 1997-07-25
Abstract
Abstract A seat belt winding device of the type for winding up two seat belts on a single shaft one over the other including a base, a shaft rotatably supported by the base and for winding up the two seat belts, a housing covering the base, shaft and wound up belts and an arm integral with and extending from the housing and pressing against the wound up seat belts thereby insuring that the two belts are completely wound up and that the same length of belt is wound out for both belts at the same time.
Inventors
- 👤 Jun Yasumatsu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:56
CPC Classifications
B; B60; B60R; B60R22/00; B60R22/34; B60R22/18; B60R2022/1818; B60R2022/3424
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
145 words
A seat belt winding device for use in a three point seat belt system comprising: two seat belts for use as a lap belt and as a shoulder belt; a base; a shaft rotatably supported by said base for winding up said seat belts; a housing covering said base, shaft and wound up portion of said seat belts; and a means for preventing slack of the belts within the housing comprising an arm integral with and extending from said housing pressing against the wound up portion of said seat belts with sufficient force such that said two seat belts are tightly wound up during retraction and such that the same length of seat belt is wound out for both of said two seat belts at the same time when the two seat belts are extended whereby malfunction of said seat belt winding device is prevented.
Claim 2
Dependent Claim
145 words
A seat belt winding device for use in a three point seat belt system comprising: two seat belts for use as a lap belt and as a shoulder belt; a base; a shaft rotatably supported by said base for winding up said seat belts; a housing covering said base, shaft and wound up portion of said seat belts; and a means for preventing slack of the belts within the housing comprising an arm integral with and extending from said housing pressing against the wound up portion of said seat belts with sufficient force such that said two seat belts are tightly wound up during retraction and such that the same length of seat belt is wound out for both of said two seat belts at the same time when the two seat belts are extended whereby malfunction of said seat belt winding device is prevented.
Claim 3
Dependent Claim
14 words
A seat belt winding device according to claim 1 wherein said arm is curved.
Claim 4
Dependent Claim
18 words
A seat belt winding device according to claim 2 wherein said arm extends in the winding up direction.
Claim 5
Dependent Claim
18 words
A seat belt winding device according to claim 2 wherein said arm extends in a winding out direction.
Claim 6
Dependent Claim
14 words
A seat belt winding device according to claim 1 wherein said arm is straight.
Claim 7
Dependent Claim
18 words
A seat belt winding device according to claim 5 wherein said arm extends in a winding up direction.
Claim 8
Dependent Claim
18 words
A seat belt winding device according to claim 5 wherein said arm extends in a winding out direction.
Claim 9
Dependent Claim
29 words
A seat belt winding device according to claim 1 wherein said arm begins beneath an opening in said housing for guiding one of said belts out of said housing.
Claim 10
Dependent Claim
27 words
A seat belt winding device according to claim 8 wherein said housing has an upper and a lower opening for guiding said belts out of said housing.
Claim 11
Dependent Claim
54 words
A seat belt winding device according to claim 1 wherein said arm is curved and extends under said shaft towards said opening and engages with the outer surface of one of said seat belts, whereby said arm exerts a pressure on said two belts and guides one of said seat belts to said opening.
Claim 12
Dependent Claim
25 words
A seat belt winding device according to claim 1 further comprising: a guide plate having two openings for extending said belts out of said housing.
Claim 13
Dependent Claim
43 words
A seat belt winding device according to claim 11 wherein said arm begins on said housing and extends under said shaft and engages with the outer surface of one of said seat belts whereby said arm exerts a pressure on said two belts.
Claim 14
Dependent Claim
41 words
A seat belt winding device according to claim 11 wherein one of said openings is lower than the other and said arm further extends to the lower opening whereby said arm guides one of said seat belts to said lower opening.
Claim 15
Dependent Claim
24 words
A seat belt winding device according to claim 11 wherein the width of said arm is narrower than the width of said seat belt.
Claim 16
Dependent Claim
19 words
A seat belt winding device according to claim 1 wherein said two belts are formed as a continuous belt.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-12-18 | 1982-06-19 | 1982-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-12-18 | 1986-06-19 | 1986-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-12-18 | 1990-06-19 | 1990-12-19 | $7700.00 | Window Closed / Lapsed |