US3120761A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary to lineal motion converters
Assignee: Individual
•
Filing: 1962-06-21
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Granted: 1964-02-11
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Expires: 1982-06-21
Abstract
No abstract record available.
Inventors
- 👤 Herman E Pravel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:41
CPC Classifications
F; F16; F16H; F16H25/00; F16H25/18; F16H25/186; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
IN A DEVICE FOR MECHANICALLY CONVERTING ROTATIONAL MOVEMENT OF ONE MEMBER TO LINEAL MOVEMENT IN ANOTHER MEMBER COMPRISING A FIRST MEMBER AND A SECOND MEMBER; SAID MEMBERS BEING DISPOSED ABOUT A COMMON AXIS; ONE SAID MEMBER BEING AXIALLY STATIONARY AND THE OTHER SAID MEMBER BEING AXIALLY MOVABLE; ONE SAID MEMBER BEING ROTATIONALLY STATIONARY AND THE OTHER SAID MEMBER BEING ROTATIONALLY MOVABLE; ROLLABLE ELEMENTS DISPOSED ADJACENT ONE SAID MEMBER AND ROTATED BY SAID OTHER MEMBER; SAID ROLLABLE ELEMENTS HAVING A CENTRAL PORTION IN CONTACT WITH SAID ONE MEMBER AND HAVING CAM PORTIONS ON EITHER SIDE OF SAID CENTRAL PORTION; OPPOSED CAMMING RINGS DISPOSED IN CONTACT WITH SAID ROLLABLE ELEMENTS'' CAM PORTIONS, AND MEANS LOADING SAID CAMMING RINGS IN FORCED CONTACT WITH SAID ROLLABLE ELEMENTS'' CAM PORTIONS URGING SAID ROLLABLE ELEMENTS TOWARD SAID ONE MEMBER URGING SAID ROLLABLE ELEMENTS'' CENTRAL PORTION INTO FORCED CONTACT WITH SAID ONE MEMBER.
Claim 2
Dependent Claim
146 words
IN A DEVICE FOR MECHANICALLY CONVERTING ROTATIONAL MOVEMENT OF ONE MEMBER TO LINEAL MOVEMENT IN ANOTHER MEMBER COMPRISING A FIRST MEMBER AND A SECOND MEMBER; SAID MEMBERS BEING DISPOSED ABOUT A COMMON AXIS; ONE SAID MEMBER BEING AXIALLY STATIONARY AND THE OTHER SAID MEMBER BEING AXIALLY MOVABLE; ONE SAID MEMBER BEING ROTATIONALLY STATIONARY AND THE OTHER SAID MEMBER BEING ROTATIONALLY MOVABLE; ROLLABLE ELEMENTS DISPOSED ADJACENT ONE SAID MEMBER AND ROTATED BY SAID OTHER MEMBER; SAID ROLLABLE ELEMENTS HAVING A CENTRAL PORTION IN CONTACT WITH SAID ONE MEMBER AND HAVING CAM PORTIONS ON EITHER SIDE OF SAID CENTRAL PORTION; OPPOSED CAMMING RINGS DISPOSED IN CONTACT WITH SAID ROLLABLE ELEMENTS'' CAM PORTIONS, AND MEANS LOADING SAID CAMMING RINGS IN FORCED CONTACT WITH SAID ROLLABLE ELEMENTS'' CAM PORTIONS URGING SAID ROLLABLE ELEMENTS TOWARD SAID ONE MEMBER URGING SAID ROLLABLE ELEMENTS'' CENTRAL PORTION INTO FORCED CONTACT WITH SAID ONE MEMBER.
References Cited (Backward Citations)
US2304477A
Cited
US2852947A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-10 | 1967-08-12 | 1968-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-10 | 1971-08-12 | 1972-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-10 | 1975-08-12 | 1976-02-11 | $7700.00 | Window Closed / Lapsed |