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US3195362A Expired / Lapsed US ⏱️ 0.0 years remaining

Unidirectional step clutch

Assignee: United Gas Corp
•
Filing: 1960-10-05
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Granted: 1965-07-20
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Expires: 1980-10-05
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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 19:11
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.

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

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