US3205985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torque responsive clutch
Assignee: Gardner Denver Inc
•
Filing: 1963-03-18
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Granted: 1965-09-14
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Expires: 1983-03-18
Abstract
No abstract record available.
Inventors
- 👤 James C Pearl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:49
CPC Classifications
F; F16; F16D; F16D43/00; F16D43/02; F16D43/20; F16D43/202; F16D43/204; F16D43/208; B; B25; B25B; B25B23/00; B25B23/14; B25B23/141
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
229 words
A TORQUE RESPONSIVE CLUTCH COMPRISING: A FIRST ROTATABLE CLUTCH MEMBER DEFINING A CYLINDRICAL SHELL HAVING AN INTERNAL CLUTCH SURFACE; A SECOND ROTATABLE CLUTCH MEMBER, HAVING AN EXTERNAL CLUTCH SURFACE, DISPOSED COAXIALLY WITHIN SAID FIRST CLUTCH MEMBER; MEANS FOR CONNECTING ONE OF SAID CLUTCH MEMBERS TO A POWER ACTUATOR WHEREBY SAID ONE MEMBER IS ROTATED ABOUT ITS OWN AXIS AND CONSTITUTIES THE DRIVING MEMBER OF SAID CLUTCH, WHILE THE OTHER MEMBER CONSTITUTES THE DRIVEN MEMBER; A PLURALITY OF LONGITUDINAL RIDGES FORMED ON AND ANGULARLY SPACED AROUND THE CLUTCH SURFACE OF SAID DRIVEN MEMBER; A CAGE DISPOSED BETWEEN SAID CLUTCH SURFACES; A PLURALITY OF ROLLERS ROTATIONALLY CONFINED IN SAID CAGE FOR ENGAGEMENT WITH SAID CLUTCH SURFACES; SAID ROLLERS EFFECTING A DRIVING CONNECTION BETWEEN SAID DRIVING AND DRIVEN MEMBERS WHEN ROTATED TO A WEDGED CONDITION BETWEEN SAID RIDGES AND THE CLUTCH SURFACE OF SAID DRIVING MEMBER, AND SAID DRIVING CONNECTION BEING INTERRUPTED WHEN SAID ROLLERS PASS OVER SAID RIDGES THROUGH DEFORMATION OF SAID CLUTCH MEMBERS; AN OUTPUT SPINDLE NONROTATABLY COUPLED TO SAID DRIVEN MEMBER AND BEING AXIALLY MOVABLE RELATIVE THERETO; CONTINUOUSLY ENGAGED CAM AND FOLLOWER MEANS CARRIED RESPECTIVELY ON SAID CAGE AND SAID SPINDLE; AND SAID CAM AND FOLLOWER MEANS ACTING, IN RESPONSE TO RECIPROCATING AXIAL MOVEMENTS OF SAID SPINDLE RELATIVE TO SAID CAGE, TO POSITIVELY CONTROL THE ROTATIONAL POSITIONS OF SAID ROLLERS RELATIVE TO SAID RIDGES DURING A COMPLETE CLUTCH CYCLE.
Claim 2
Dependent Claim
229 words
A TORQUE RESPONSIVE CLUTCH COMPRISING: A FIRST ROTATABLE CLUTCH MEMBER DEFINING A CYLINDRICAL SHELL HAVING AN INTERNAL CLUTCH SURFACE; A SECOND ROTATABLE CLUTCH MEMBER, HAVING AN EXTERNAL CLUTCH SURFACE, DISPOSED COAXIALLY WITHIN SAID FIRST CLUTCH MEMBER; MEANS FOR CONNECTING ONE OF SAID CLUTCH MEMBERS TO A POWER ACTUATOR WHEREBY SAID ONE MEMBER IS ROTATED ABOUT ITS OWN AXIS AND CONSTITUTIES THE DRIVING MEMBER OF SAID CLUTCH, WHILE THE OTHER MEMBER CONSTITUTES THE DRIVEN MEMBER; A PLURALITY OF LONGITUDINAL RIDGES FORMED ON AND ANGULARLY SPACED AROUND THE CLUTCH SURFACE OF SAID DRIVEN MEMBER; A CAGE DISPOSED BETWEEN SAID CLUTCH SURFACES; A PLURALITY OF ROLLERS ROTATIONALLY CONFINED IN SAID CAGE FOR ENGAGEMENT WITH SAID CLUTCH SURFACES; SAID ROLLERS EFFECTING A DRIVING CONNECTION BETWEEN SAID DRIVING AND DRIVEN MEMBERS WHEN ROTATED TO A WEDGED CONDITION BETWEEN SAID RIDGES AND THE CLUTCH SURFACE OF SAID DRIVING MEMBER, AND SAID DRIVING CONNECTION BEING INTERRUPTED WHEN SAID ROLLERS PASS OVER SAID RIDGES THROUGH DEFORMATION OF SAID CLUTCH MEMBERS; AN OUTPUT SPINDLE NONROTATABLY COUPLED TO SAID DRIVEN MEMBER AND BEING AXIALLY MOVABLE RELATIVE THERETO; CONTINUOUSLY ENGAGED CAM AND FOLLOWER MEANS CARRIED RESPECTIVELY ON SAID CAGE AND SAID SPINDLE; AND SAID CAM AND FOLLOWER MEANS ACTING, IN RESPONSE TO RECIPROCATING AXIAL MOVEMENTS OF SAID SPINDLE RELATIVE TO SAID CAGE, TO POSITIVELY CONTROL THE ROTATIONAL POSITIONS OF SAID ROLLERS RELATIVE TO SAID RIDGES DURING A COMPLETE CLUTCH CYCLE.
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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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |