← Back to Patent Explorer
US3102618A Expired / Lapsed US ⏱️ 0.0 years remaining

Two-directional torque coupling and clutch mechanism

Assignee: Formsprag Co
•
Filing: 1961-01-23
•
Granted: 1963-09-03
•
Expires: 1981-01-23
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Lund Johan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 12:21
CPC Classifications
F; F16; F16B; F16B1/00; F16B1/02; F16B1/04

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 217 words
A TWO-DIRECTIONAL, ANTI-REVERSE FEEDBACK, TORQUE TRANSMITTING DEVICE, COMPRISING A FIRST MEMBER HAVING A SMOOTH, FIXED CYLINDRICAL RACE, A FURTHER MEMBER DISPOSED IN A ROTATABLE RELATION TO SAID FIRST MEMBER COAXIALLY OF SAID RACE OF THE LATTER AND HAVING A RACE INCLUDING A PERIPHERAL SURFACE RADIALLY SPACED FROM SAID FIRST NAMED RACE AND PROVIDED WITH ROUNDED SOCKETS OPENING RADIALLY RELATIVE TO SAID PERIPHERAL SURFACE, MEANS PROVIDING A TORQUE CONNECTION BETWEEN SAID RACES WHICH IS EFFECTIVE IN EITHER ANGULAR DIRECTION, SAID MEANS INCLUDING AN ANNULAR ASSEMBLY OF INDIVIDUAL RACE ENGAGING SPRAGS OF SIMILAR NON-CIRCULAR CROSS SECTION DISPOSED IN THE SPACE BETWEEN SAID RACES, SAID SPRAGS BEING ARRANGED IN SETS ORIENTED OPPOSITELY IN REFERENCE TO RADIALLY SPACED PORTIONS OF EACH WHICH ENGAGE SAID RESPECTIVE RACES, ONE OF SAID PORTIONS OF THE SPRAGS OF EACH SET BEING PROVIDED WITH A ROUNDED WEDGING SURFACE ADAPTED FOR FIXED GRIPPING ENGAGEMENT OR RELATIVE SLIDING ENGAGEMENT IN REFERENCE TO SAID CYLINDRICAL RACE OF SAID FIRST MEMBER, DEPENDING UPON THE DIRECTION OF RELATIVE ROTATION OF SAID FIRST AND FURTHER MEMBERS, THE OTHER PORTION OF THE SPRAGS OF THE RESPECTIVE SETS BEING ROUNDED FOR PIVOTAL AND DRIVING ENGAGEMENT IN SAID SOCKETS IN THE RACE OF SAID FURTHER MEMBER FOR THE DRIVE OF THE LATTER IN ONE DIRECTION OR THE OTHER THROUGH SAID LAST NAMED SOCKETED RACE, CORRE-
Claim 2
Dependent Claim 217 words
A TWO-DIRECTIONAL, ANTI-REVERSE FEEDBACK, TORQUE TRANSMITTING DEVICE, COMPRISING A FIRST MEMBER HAVING A SMOOTH, FIXED CYLINDRICAL RACE, A FURTHER MEMBER DISPOSED IN A ROTATABLE RELATION TO SAID FIRST MEMBER COAXIALLY OF SAID RACE OF THE LATTER AND HAVING A RACE INCLUDING A PERIPHERAL SURFACE RADIALLY SPACED FROM SAID FIRST NAMED RACE AND PROVIDED WITH ROUNDED SOCKETS OPENING RADIALLY RELATIVE TO SAID PERIPHERAL SURFACE, MEANS PROVIDING A TORQUE CONNECTION BETWEEN SAID RACES WHICH IS EFFECTIVE IN EITHER ANGULAR DIRECTION, SAID MEANS INCLUDING AN ANNULAR ASSEMBLY OF INDIVIDUAL RACE ENGAGING SPRAGS OF SIMILAR NON-CIRCULAR CROSS SECTION DISPOSED IN THE SPACE BETWEEN SAID RACES, SAID SPRAGS BEING ARRANGED IN SETS ORIENTED OPPOSITELY IN REFERENCE TO RADIALLY SPACED PORTIONS OF EACH WHICH ENGAGE SAID RESPECTIVE RACES, ONE OF SAID PORTIONS OF THE SPRAGS OF EACH SET BEING PROVIDED WITH A ROUNDED WEDGING SURFACE ADAPTED FOR FIXED GRIPPING ENGAGEMENT OR RELATIVE SLIDING ENGAGEMENT IN REFERENCE TO SAID CYLINDRICAL RACE OF SAID FIRST MEMBER, DEPENDING UPON THE DIRECTION OF RELATIVE ROTATION OF SAID FIRST AND FURTHER MEMBERS, THE OTHER PORTION OF THE SPRAGS OF THE RESPECTIVE SETS BEING ROUNDED FOR PIVOTAL AND DRIVING ENGAGEMENT IN SAID SOCKETS IN THE RACE OF SAID FURTHER MEMBER FOR THE DRIVE OF THE LATTER IN ONE DIRECTION OR THE OTHER THROUGH SAID LAST NAMED SOCKETED RACE, CORRE-

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-09-02 1967-03-04 1967-09-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-09-02 1971-03-04 1971-09-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-09-02 1975-03-04 1975-09-03 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag