Patent US3784972A successfully refreshed from Google Patents.
US3784972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seat belt system
Assignee: Individual
•
Filing: 1972-01-24
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Granted: 1974-01-08
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Expires: 1992-01-24
Abstract
Abstract A vehicle seat belt system for use in automobiles, buses, airplanes, boats and the like. A seat system responsive to the occupancy of a seat by a passenger and use of the seat belt for that seat. A switch system actuated by said seat system. A signal system controlled by the switch system for signaling non-use of a seat belt of an occupied seat. A vehicle power system controlled by the switch system. The vehicle power system being inoperative when the seat belt of an occupied seat is not in use. A delay cut-off switch in said switch system which delays for a predetermined time interval the rendering of the vehicle power system inoperative when a seat belt is disengaged during operation of the vehicle.
Inventors
- 👤 A Hults
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:55
CPC Classifications
B; B60; B60R; B60R22/00; B60R22/48; B60R2022/4808; B60R2022/4816; B60R2022/4858; B60R2022/4883; B60R2022/4891
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
109 words
In a seat belt system for a vehicle having a driver''s seat with a fastenable driver''s seat belt and having an electrical ignition system including an ignition switch, the combination of: a. first energizing means responsive to fastening of the driver''s seat belt and to closure of the ignition switch for energizing the ignition system; b. first de-energizing means independent of the ignition switch and responsive to subsequent unfastening of the driver''s seat belt, after energization of the ignition system, for deenergizing the ignition system; and c. time delay means for activating said first de-energizing means only after a predetermined time delay following unfastening of the driver''s seat belt.
Claim 2
Dependent Claim
109 words
In a seat belt system for a vehicle having a driver''s seat with a fastenable driver''s seat belt and having an electrical ignition system including an ignition switch, the combination of: a. first energizing means responsive to fastening of the driver''s seat belt and to closure of the ignition switch for energizing the ignition system; b. first de-energizing means independent of the ignition switch and responsive to subsequent unfastening of the driver''s seat belt, after energization of the ignition system, for deenergizing the ignition system; and c. time delay means for activating said first de-energizing means only after a predetermined time delay following unfastening of the driver''s seat belt.
Claim 3
Dependent Claim
37 words
A seat belt system as defined in claim 1 wherein said first energizing and de-energizing means include a driver''s seat belt switch in series with the ignition switch and closable upon fastening of the driver''s seat belt.
Claim 4
Dependent Claim
132 words
A seat belt system according to claim 1 for a vehicle also having a passenger''s seat with a fastenable passenger''s seat belt, including: a. second energizing means responsive to the presence of a passenger in the passenger''s seat and to fastening of the passenger''s seat belt for activating said first energizing means if the driver''s seat belt is fastened and the ignition switch is closed; b. second de-energizing means independent of the ignition switch and responsive to subsequent unfastening of the passenger''s seat belt with a passenger in the passenger''s seat, after energization of the ignition system, for activating said first de-energizing means to de-energize the ignition system; and c. said time delay means activating said first de-energizing means only after a predetermined time delay following unfastening of the passenger''s seat belt.
Claim 5
Dependent Claim
74 words
A seat belt system as set forth in claim 3 wherein said second energizing and de-energizing means include a passenger seat switch responsive to the presence of a passenger in the passenger''s seat and a pasSenger''s seat belt switch closable upon fastening of the passenger''s seat belt, said passenger seat switch including means for placing said passenger''s seat belt switch in series with the ignition switch when a passenger is in the passenger''s seat.
Claim 6
Dependent Claim
20 words
A seat belt system according to claim 1 including signal means for signalling that the driver''s seat belt is unfastened.
Claim 7
Dependent Claim
29 words
A seat belt system as defined in claim 3 including signal means for indicating that the passenger''s seat belt is unfastened if a passenger is in the passenger''s seat.
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) | 1977-01-07 | 1977-07-09 | 1978-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-07 | 1981-07-09 | 1982-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-07 | 1985-07-09 | 1986-01-08 | $7700.00 | Window Closed / Lapsed |