US3102732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adaptor for wrench heads
Assignee: Reed Roller Bit Co
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Filing: 1960-06-30
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Granted: 1963-09-03
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Expires: 1980-06-30
Abstract
No abstract record available.
Inventors
- 👤 Milford S Zimmerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:31
CPC Classifications
G; G01; G01L; G01L5/00; G01L5/24; G01L25/00; G01L25/003; Y; Y10; Y10T; Y10T279/00; Y10T279/10; Y10T279/1037; Y10T279/1041; Y10T279/1054; Y10T279/1058
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
A TORQUE TRANSMITTING DEVICE FOR ENGAGEMENT BY WRENCH HEADS OF VARIOUS SIZES, COMPRISING IN COMBINATION: A TAPERED BODY HAVING A CENTRAL AXIS, THE BODY HAVING A PLURALITY OF INCLINED GROOVES ON THE OUTER SURFACE THEREOF, EACH GROOVE TAPERING FROM A SHALLOW DEPTH NEAR THE SMALL END OF THE BODY TO A SUBSTANTIALLY GREATER DEPTH NEAR THE LARGE END OF THE BODY, A PLURALITY OF AXIALLY EXTENDING INCLINED BLADES MOUNTED TO SLIDE IN THE GROOVES, THE BLADES PROJECTING RADIALLY FROM THE GROOVES AND HAVING A SERIES OF GRADUATED STEPS ON THE OUTER SURFACES THEREOF FOR WRENCH ENGAGEMENT, MEANS ON THE BODY WHEREBY IT MAY TURN A DRIVEN PART, MEANS FOR MOVING THE BLADES SIMULTANEOUSLY AND FOR RETAINING THE BLADES IN SAID GROOVES, SAID BLADE MOVING AND RETAINING MEANS INCLUDING A THREADED MEMBER MOUNTED COAXIALLY OF THE BODY FOR TURNING MOVEMENT THEREWITH, AND A CO-OPERATING THREADED MEMBER MOUNTED COAXIALLY OF THE BODY AND TURNABLE WITH RESPECT THERETO, AND MEANS ON ONE OF SAID MEMBERS CONTACTING EACH OF SAID BLADES.
Claim 2
Dependent Claim
167 words
A TORQUE TRANSMITTING DEVICE FOR ENGAGEMENT BY WRENCH HEADS OF VARIOUS SIZES, COMPRISING IN COMBINATION: A TAPERED BODY HAVING A CENTRAL AXIS, THE BODY HAVING A PLURALITY OF INCLINED GROOVES ON THE OUTER SURFACE THEREOF, EACH GROOVE TAPERING FROM A SHALLOW DEPTH NEAR THE SMALL END OF THE BODY TO A SUBSTANTIALLY GREATER DEPTH NEAR THE LARGE END OF THE BODY, A PLURALITY OF AXIALLY EXTENDING INCLINED BLADES MOUNTED TO SLIDE IN THE GROOVES, THE BLADES PROJECTING RADIALLY FROM THE GROOVES AND HAVING A SERIES OF GRADUATED STEPS ON THE OUTER SURFACES THEREOF FOR WRENCH ENGAGEMENT, MEANS ON THE BODY WHEREBY IT MAY TURN A DRIVEN PART, MEANS FOR MOVING THE BLADES SIMULTANEOUSLY AND FOR RETAINING THE BLADES IN SAID GROOVES, SAID BLADE MOVING AND RETAINING MEANS INCLUDING A THREADED MEMBER MOUNTED COAXIALLY OF THE BODY FOR TURNING MOVEMENT THEREWITH, AND A CO-OPERATING THREADED MEMBER MOUNTED COAXIALLY OF THE BODY AND TURNABLE WITH RESPECT THERETO, AND MEANS ON ONE OF SAID MEMBERS CONTACTING EACH OF SAID BLADES.
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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) | 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 |