US3247741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine wrench with torque reaction means
Assignee: Hi Shear Corp
•
Filing: 1963-04-16
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Granted: 1966-04-26
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Expires: 1983-04-16
Abstract
No abstract record available.
Inventors
- 👤 Ronald W Batten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:39
CPC Classifications
F; F16; F16B; F16B19/00; F16B19/04; F16B19/05; B; B25; B25B; B25B21/00; B25B21/002; B25B23/00; B25B23/14; B25B23/1415; F16B31/00; F16B31/02; F16B31/021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A TOOL FOR APPLYING TO A WORKPIECE A FASTENER OF THE TYPE HAVING A PIN, A COLLAR THREADED ON THE PIN AND HAVING A SHEAR SECTION, AND A WASHER BETWEEN THE COLLAR AND THE WORKPIECE COMPRISING A FRAME, A ROTARY WRENCH JOURNALED IN THE FRAME, POWER MEANS IN THE FRAME FOR ROTATING THE WRENCH, MEANS ON THE FRAME FOR HOLDING THE PIN STATIONARY, MEANS ON THE WRENCH FOR APPLYING TORQUE TO THE COLLAR, AND MEANS ON THE FRAME FOR GRIPPING THE WASHER, WHEREBY THE GRIPPING MEANS ABSORBS REACTIVE TORQUE WHEN THE COLLAR IS SHEARED BY THE WRENCH APPLIED TORQUE.
Claim 2
Dependent Claim
99 words
A TOOL FOR APPLYING TO A WORKPIECE A FASTENER OF THE TYPE HAVING A PIN, A COLLAR THREADED ON THE PIN AND HAVING A SHEAR SECTION, AND A WASHER BETWEEN THE COLLAR AND THE WORKPIECE COMPRISING A FRAME, A ROTARY WRENCH JOURNALED IN THE FRAME, POWER MEANS IN THE FRAME FOR ROTATING THE WRENCH, MEANS ON THE FRAME FOR HOLDING THE PIN STATIONARY, MEANS ON THE WRENCH FOR APPLYING TORQUE TO THE COLLAR, AND MEANS ON THE FRAME FOR GRIPPING THE WASHER, WHEREBY THE GRIPPING MEANS ABSORBS REACTIVE TORQUE WHEN THE COLLAR IS SHEARED BY THE WRENCH APPLIED TORQUE.
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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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |