US3147631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Actuator assembly
Assignee: Individual
•
Filing: 1960-06-20
•
Granted: 1964-09-08
•
Expires: 1980-06-20
Abstract
No abstract record available.
Inventors
- 👤 Everett P Larsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:43
CPC Classifications
F; F16; F16H; F16H25/00; F16H25/18; F16H25/20; F16H25/22; F16H25/2204
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
SELF-CONTAINED UNITARY ACTUATOR APPARATUS COMPRISING A HOUSING, ROTARY MOTOR MEANS WITHIN THE HOUSING, GEAR MEANS WITHIN THE HOUSING AND DRIVEN BY THE MOTOR MEANS, A SHAFT CONNECTED TO THE GEAR MEANS AND ROTATABLE THEREBY, A NUT ATTACHED TO THE SHAFT AND ROTATABLE THEREWITH, THE NUT HAVING A HELICAL GROOVE AT THE PERIPHERY THEREOF, THE NUT HAVING A PASSAGE THERETHROUGH WHICH COMMUNICATES WITH TWO PORTIONS OF THE HELICAL GROOVE, A SHELL ENCOMPASSING THE HOUSING AND HAVING A HELICAL GROOVE ON THE INTERNAL WALL SURFACE THEREOF, AND A PLURALITY OF SPHERICAL MEMBERS IN THE HELICAL GROOVE OF THE SHELL AND IN THE HELICAL GROOVE OF THE NUT, THE SPEHERICAL MEMBERS CONNECTING THE SHELL TO THE NUT SO THAT UPON ROTARY MOTION OF THE NUT THERE IS RELATIVE AXIAL MOVEMENT BETWEEN THE SHELL AND THE HOUSING.
Claim 2
Dependent Claim
133 words
SELF-CONTAINED UNITARY ACTUATOR APPARATUS COMPRISING A HOUSING, ROTARY MOTOR MEANS WITHIN THE HOUSING, GEAR MEANS WITHIN THE HOUSING AND DRIVEN BY THE MOTOR MEANS, A SHAFT CONNECTED TO THE GEAR MEANS AND ROTATABLE THEREBY, A NUT ATTACHED TO THE SHAFT AND ROTATABLE THEREWITH, THE NUT HAVING A HELICAL GROOVE AT THE PERIPHERY THEREOF, THE NUT HAVING A PASSAGE THERETHROUGH WHICH COMMUNICATES WITH TWO PORTIONS OF THE HELICAL GROOVE, A SHELL ENCOMPASSING THE HOUSING AND HAVING A HELICAL GROOVE ON THE INTERNAL WALL SURFACE THEREOF, AND A PLURALITY OF SPHERICAL MEMBERS IN THE HELICAL GROOVE OF THE SHELL AND IN THE HELICAL GROOVE OF THE NUT, THE SPEHERICAL MEMBERS CONNECTING THE SHELL TO THE NUT SO THAT UPON ROTARY MOTION OF THE NUT THERE IS RELATIVE AXIAL MOVEMENT BETWEEN THE SHELL AND THE HOUSING.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |