Patent US3074761A successfully refreshed from Google Patents.
US3074761A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety seat belt
Assignee: University of Minnesota Twin Cities
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Filing: 1961-07-10
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Granted: 1963-01-22
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Expires: 1981-07-10
Abstract
No abstract record available.
Inventors
- 👤 James J Ryan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:39
CPC Classifications
B; B60; B60R; B60R22/00; B60R22/34; B60R22/36; B60R22/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
233 words
A SAFETY SEAT BELT DEVICE FOR RESTRAINING THE MOVEMENT OF A BODY CARRIED WITHIN A VEHICLE WHEN THE VELOCITY OF THE VEHICLE IS RAPIDLY CHANGED, SAID DEVICE COMPRISING A HOUSING, A SHAFT WITHIN SAID HOUSING, SAID SHAFT BEING FIXED AGAINST ROTARY MOVEMENT BUT ADAPTED FOR LIMITED MOVEMENT IN A PLANE, A DRUM CARRIED ON SAID SHAFT AND ADAPTED FOR ROTATION THEREON, A CIRCULAR TOOTHED MEMBER ADAPTED FOR ROTATION WITH SAID DRUM, AN ARCUATE TOOTHED MEMBER FIXED TO THE HOUSING AND ADAPTED FOR ENGAGEMENT WITH SAID CIRCULAR TOOTHED MEMBER WHEN SAID SHAFT IS IN ONE POSITION IN ITS PLANE OF MOVEMENT, SAID DRUM AND CIRCULAR TOOTHED MEMBER BEING ADAPTED FOR FREE ROTATION WHEN SAID SHAFT IS IN ANOTHER POSITION IN ITS PLANE OF MOVEMENT, A BELT, SAID BELT BEING ADAPTED TO EXTEND PARTIALLY AROUND A BODY, ONE END OF SAID BELT BEING ATTACHED TO SAID DRUM AND THE OTHER END CARRYING FASTENING MEANS ADAPTED TO BE SECURED TO A COMPLEMENTARY FASTENING MEANS TO RESTRAIN SAID BODY, SPRING MEANS ASSOCIATED WITH SAID SHAFT AND DRUM TO RETRACT SAID BELT INTO SAID HOUSING AROUND SAID DRUM, SAID SHAFT AND DRUM AND ROTARY TOOTHED MEMBER BEING MOVABLE TOGETHER FROM THE POSITION OF FREE ROTATION OF SAID DRUM AND CIRCULAR TOOTHED MEMBER TO THE POSITION OF ENGAGEMENT WITH SAID FIXED ARCUATE TOOTHED MEMBER DUE TO INERTIA OF THE MOVABLE ELEMENTS UPON RAPID CHANGE IN VELOCITY OF THE VEHICLE.
Claim 2
Dependent Claim
233 words
A SAFETY SEAT BELT DEVICE FOR RESTRAINING THE MOVEMENT OF A BODY CARRIED WITHIN A VEHICLE WHEN THE VELOCITY OF THE VEHICLE IS RAPIDLY CHANGED, SAID DEVICE COMPRISING A HOUSING, A SHAFT WITHIN SAID HOUSING, SAID SHAFT BEING FIXED AGAINST ROTARY MOVEMENT BUT ADAPTED FOR LIMITED MOVEMENT IN A PLANE, A DRUM CARRIED ON SAID SHAFT AND ADAPTED FOR ROTATION THEREON, A CIRCULAR TOOTHED MEMBER ADAPTED FOR ROTATION WITH SAID DRUM, AN ARCUATE TOOTHED MEMBER FIXED TO THE HOUSING AND ADAPTED FOR ENGAGEMENT WITH SAID CIRCULAR TOOTHED MEMBER WHEN SAID SHAFT IS IN ONE POSITION IN ITS PLANE OF MOVEMENT, SAID DRUM AND CIRCULAR TOOTHED MEMBER BEING ADAPTED FOR FREE ROTATION WHEN SAID SHAFT IS IN ANOTHER POSITION IN ITS PLANE OF MOVEMENT, A BELT, SAID BELT BEING ADAPTED TO EXTEND PARTIALLY AROUND A BODY, ONE END OF SAID BELT BEING ATTACHED TO SAID DRUM AND THE OTHER END CARRYING FASTENING MEANS ADAPTED TO BE SECURED TO A COMPLEMENTARY FASTENING MEANS TO RESTRAIN SAID BODY, SPRING MEANS ASSOCIATED WITH SAID SHAFT AND DRUM TO RETRACT SAID BELT INTO SAID HOUSING AROUND SAID DRUM, SAID SHAFT AND DRUM AND ROTARY TOOTHED MEMBER BEING MOVABLE TOGETHER FROM THE POSITION OF FREE ROTATION OF SAID DRUM AND CIRCULAR TOOTHED MEMBER TO THE POSITION OF ENGAGEMENT WITH SAID FIXED ARCUATE TOOTHED MEMBER DUE TO INERTIA OF THE MOVABLE ELEMENTS UPON RAPID CHANGE IN VELOCITY OF THE VEHICLE.
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) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |