US3195362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unidirectional step clutch
Assignee: United Gas Corp
•
Filing: 1960-10-05
•
Granted: 1965-07-20
•
Expires: 1980-10-05
Abstract
No abstract record available.
Inventors
- 👤 William A Elston
- 👤 Jr William C Tomerlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:25
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/44; F; F16; F16H; F16H31/00; F16H31/003; F16H31/005; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1553; Y10T74/1555; Y10T74/1558; Y10T74/21; Y10T74/2133
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A UNDIRECTIONAL STEP CLUTCH FOR PROVIDING A PREDETERMINED ANGULAR ADVANCE STEP-DRIVE COMPRISING AN ACTUATING MEMBER, A PAIR OF STOPS SPACED ANGULARLY APART FOR DELIMITING THE ROTATIONAL MOVEMENT OF SAID ACTUATING MEMBER TO AN ANGLKE SLIGHTLY GREATER THAN THE PREDETERMINED DESIRED ANGULAR ADVANCE OF SAID CLUTCH DRIVE, A CLUTCH DRIVEN MEMBER HAVING A FACE WITH RECESSES THEREIN EACH FORMED WITH A DRIVE EDGE SPACED ANGULARLY APART THE PREDETERMINED DESIRED ANGLE ON ADVANCE OF EACH RESPECTIVE STEP, MEANS INCLUDING A CLUTCH DRIVE MEMBER HAVING A PAWL DRIVE ELEMENT RESILIENTLY BIASED TOWARD SAID DRIVEN MEMBER INTO ENGAGEMENT THEREWITH FOR DRIVING SAID DRIVEN MEMBER IN ONE DIRECTION BY ENGAGEMENT OF A RECESS DRIVE EDGE AND FOR DISENGAGING THE DRIVE THEREBETWEEN ON ROTATION OF SAID DRIVE MEMBER IN THE OPPOSITE DIRECTION BY SAID ACTUATING MEMBER, MEANS FOR DRIVINGLY CONNECTING SAID ACTUATING MEMBER TO SAID CLUTCH DRIVE MEMBER, AND MEANS INCLUDING A BRAKE ELEMENT RESILIENTLY BIASED INTO CONTINUOUS ENGAGEMENT WITH SAID DRIVEN MEMBER FOR PREVENTING REVERSE ROTATION THEREOF.
Claim 2
Dependent Claim
162 words
A UNDIRECTIONAL STEP CLUTCH FOR PROVIDING A PREDETERMINED ANGULAR ADVANCE STEP-DRIVE COMPRISING AN ACTUATING MEMBER, A PAIR OF STOPS SPACED ANGULARLY APART FOR DELIMITING THE ROTATIONAL MOVEMENT OF SAID ACTUATING MEMBER TO AN ANGLKE SLIGHTLY GREATER THAN THE PREDETERMINED DESIRED ANGULAR ADVANCE OF SAID CLUTCH DRIVE, A CLUTCH DRIVEN MEMBER HAVING A FACE WITH RECESSES THEREIN EACH FORMED WITH A DRIVE EDGE SPACED ANGULARLY APART THE PREDETERMINED DESIRED ANGLE ON ADVANCE OF EACH RESPECTIVE STEP, MEANS INCLUDING A CLUTCH DRIVE MEMBER HAVING A PAWL DRIVE ELEMENT RESILIENTLY BIASED TOWARD SAID DRIVEN MEMBER INTO ENGAGEMENT THEREWITH FOR DRIVING SAID DRIVEN MEMBER IN ONE DIRECTION BY ENGAGEMENT OF A RECESS DRIVE EDGE AND FOR DISENGAGING THE DRIVE THEREBETWEEN ON ROTATION OF SAID DRIVE MEMBER IN THE OPPOSITE DIRECTION BY SAID ACTUATING MEMBER, MEANS FOR DRIVINGLY CONNECTING SAID ACTUATING MEMBER TO SAID CLUTCH DRIVE MEMBER, AND MEANS INCLUDING A BRAKE ELEMENT RESILIENTLY BIASED INTO CONTINUOUS ENGAGEMENT WITH SAID DRIVEN MEMBER FOR PREVENTING REVERSE ROTATION THEREOF.
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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) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |