Patent US3264949A successfully refreshed from Google Patents.
US3264949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for transforming a rectilinear movement into a rotary movement
Assignee: Individual
•
Filing: 1964-02-14
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Granted: 1966-08-09
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Expires: 1984-02-14
Abstract
No abstract record available.
Inventors
- 👤 Dietlin Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:52
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/02; F15B15/06; F15B15/068; F16; F16H; F16H25/00; F16H25/08; F16H25/12; F16H25/18; F16H25/186; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18888
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A ROTARY ACTUATOR COMPRISING A CYLINDER, A PISTON RECIPROCABLE IN THE CYLINDER, MEANS FOR SUPPLYING FLUID TO AND REMOVING FLUID FROM THE CYLINDER ON OPPOSITE SIDES OF THE PISTON, THE PISTON HAVING A PISTON ROD HAVING A LATERAL PROJECTION THEREON THAT EXTENDS IN OPPOSITE DIRECTIONS FROM THE PISTON ROD, MEANS FIXED RELATIVE TO THE CYLINDER AND PROVIDING A PAIR OF HELICAL RECESSES IN WHICH OPPOSITE ENDS OF SAID PROJECTION ARE DISPOSED, A DRIVEN MEMBER, AND MEANS MOUNTING THE DRIVEN MEMBER FOR ROTATION RELATIVE TO THE CYLINDER COAXIALLY OF THE PISTON ROD, THE DRIVEN MEMBER HAVING A PAIR OF HELICAL RECESSES IN WHICH PORTIONS OF SAID PROJECTION ON OPPOSITE SIDES OF THE PISTON ROD ARE DISPOSED, THE HELICAL RECESSES OF SAID DRIVEN MEMBER BEING WOUND OPPOSITELY TO SAID FIXED HELICAL RECESSES, SAID DRIVEN MEMBER HAVING A HOLLOW SLEEVE, SAID HELICAL RECESSES OF SAID DRIVEN MEMBER EXTENDING THROUGH SAID HOLLOW SLEEVE, THE PISTON ROD BEING RECIPROCABLE IN SAID HOLLOW SLEEVE.
Claim 2
Dependent Claim
158 words
A ROTARY ACTUATOR COMPRISING A CYLINDER, A PISTON RECIPROCABLE IN THE CYLINDER, MEANS FOR SUPPLYING FLUID TO AND REMOVING FLUID FROM THE CYLINDER ON OPPOSITE SIDES OF THE PISTON, THE PISTON HAVING A PISTON ROD HAVING A LATERAL PROJECTION THEREON THAT EXTENDS IN OPPOSITE DIRECTIONS FROM THE PISTON ROD, MEANS FIXED RELATIVE TO THE CYLINDER AND PROVIDING A PAIR OF HELICAL RECESSES IN WHICH OPPOSITE ENDS OF SAID PROJECTION ARE DISPOSED, A DRIVEN MEMBER, AND MEANS MOUNTING THE DRIVEN MEMBER FOR ROTATION RELATIVE TO THE CYLINDER COAXIALLY OF THE PISTON ROD, THE DRIVEN MEMBER HAVING A PAIR OF HELICAL RECESSES IN WHICH PORTIONS OF SAID PROJECTION ON OPPOSITE SIDES OF THE PISTON ROD ARE DISPOSED, THE HELICAL RECESSES OF SAID DRIVEN MEMBER BEING WOUND OPPOSITELY TO SAID FIXED HELICAL RECESSES, SAID DRIVEN MEMBER HAVING A HOLLOW SLEEVE, SAID HELICAL RECESSES OF SAID DRIVEN MEMBER EXTENDING THROUGH SAID HOLLOW SLEEVE, THE PISTON ROD BEING RECIPROCABLE IN SAID HOLLOW SLEEVE.
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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) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |