Patent US3148552A successfully refreshed from Google Patents.
US3148552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solenoid operated rotary actuator
Assignee: Ledex Inc
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Filing: 1959-03-30
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Granted: 1964-09-15
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Expires: 1979-03-30
Abstract
No abstract record available.
Inventors
- 👤 Vandewege Orville
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:50
CPC Classifications
F; F16; F16H; F16H25/00; F16H25/18; F16H25/186; F16H25/08; F16H25/12; F16H2025/127; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/18984
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
AN ELECTROMAGNETICALLY OPERATED ROTARY ACTUATOR COMPRISING AN ELECTROMAGNET, AN ARMATURE MOUNTED FOR AXIAL MOVEMENT TOWARD SAID ELECTROMAGNET AND RESTRAINED AGAINST ROTARY MOVEMENT RELATIVE THERETO, A FIRST MEMBER FAST WITH SAID ARMATURE FOR AXIAL MOVEMENT THEREWITH, A SECOND MEMBER ARRANGED FOR ROTARY MOVEMENT RELATIVE TO SAID ARMATURE, SAID MEMBERS BEING PROVIDED WITH AT LEAST ONE PAIR OF OPPOSED INCLINED SURFACES, AND ROTATABLE MEANS DISPOSED BETWEEN SAID MEMBERS IN ROLLING ENGAGEMENT WITH SAID INCLINED SURFACES TO IMPART ROTARY MOVEMENT THROUGH A LIMITED ANGLE TO SAID SECOND MEMBER UPON AXIAL MOVEMENT OF SAID ARMATURE AND FIRST MEMBER.
Claim 2
Dependent Claim
94 words
AN ELECTROMAGNETICALLY OPERATED ROTARY ACTUATOR COMPRISING AN ELECTROMAGNET, AN ARMATURE MOUNTED FOR AXIAL MOVEMENT TOWARD SAID ELECTROMAGNET AND RESTRAINED AGAINST ROTARY MOVEMENT RELATIVE THERETO, A FIRST MEMBER FAST WITH SAID ARMATURE FOR AXIAL MOVEMENT THEREWITH, A SECOND MEMBER ARRANGED FOR ROTARY MOVEMENT RELATIVE TO SAID ARMATURE, SAID MEMBERS BEING PROVIDED WITH AT LEAST ONE PAIR OF OPPOSED INCLINED SURFACES, AND ROTATABLE MEANS DISPOSED BETWEEN SAID MEMBERS IN ROLLING ENGAGEMENT WITH SAID INCLINED SURFACES TO IMPART ROTARY MOVEMENT THROUGH A LIMITED ANGLE TO SAID SECOND MEMBER UPON AXIAL MOVEMENT OF SAID ARMATURE AND FIRST MEMBER.
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) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |