US3159758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary motor driven nonjamming linear actuator
Assignee: Bendix Corp
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Filing: 1962-03-27
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Granted: 1964-12-01
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Expires: 1982-03-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Lyle D Hemperly
- 👤 Robert G Hoof
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:54
CPC Classifications
F; F16; F16H; F16H25/00; F16H25/18; F16H25/20; F16H25/2015; H; H02; H02K; H02K7/00; H02K7/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
145 words
A NONJAMMING LINEAR ACTUATOR COMPRISING: A ROTARY ELECTRIC MOTOR HAVING AN ARMATURE SHAFT, THE SHAFT OF SAID ARMATURE COMPRISING A HOLLOW OR TUBULAR MEMBER HAVING AN INTERNAL THREADED LENGTH AND AN UNTHREADED CAVITY ALIGNED THEREWITH, SAID CAVITY BEING LONGER AND OF GREATER TRANSVERSE DIMENSION THAN SAID THREADED PORTION WHEREBY THE OUT- P PUT SHAFT AT ONE EXTREME DIRECTION OF TRAVEL IS COMPLETELY DESENGAGED FROM THE INTERNAL THREADS OF THE ARMATURE WHEREUPON THE ARMATURE MAY TURN FREELY WITHOUT FURTHER MOVEMENT OF THE OUTPUT SHAFT, AN OUTPUT SHAFT INCLUDING THREADS ENGAGING THE THREADS OF SAID TUBLAR SHAFT MEMBER AND HAVING A LENGTH EXTENDING OUT OF THE MOTOR AND CONSTIUTING THE ACTUATOR OPERATING MEMBER, AND MEANS RESTRAINING SAID OUTPUT SHAFT FROM ROTATION WHEREBY THE OUTPUT SHAFT IS TRANSLATED UPON THE ROTATION OF SAID ARMATURE UNTIL THE THREADS OF THE OUTPUT SHAFT ENTER THE CAVITY OF THE ARMATURE SHAFT.
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) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |