Patent US3337210A successfully refreshed from Google Patents.
US3337210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-extending clamp
Assignee: Jergens Tool Specialty Co
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Filing: 1965-04-05
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Granted: 1967-08-22
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Expires: 1985-04-05
Abstract
No abstract record available.
Inventors
- 👤 Norman H Mayhew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:18
CPC Classifications
B; B25; B25B; B25B5/00; B25B5/06; B25B5/061; B25B5/064; B25B5/10; B25B5/104; B25B5/106
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
224 words
A CLAMP FOR CLAMPING A WORKPIECE ON A WORKING TABLE, COMPRISING A SRTAP HAVING A CLAMPING END AND AN OPPOSITE DRIVING END, MEANS FOR MOUNTING SAID STRAP ON THE WORKING TABLE, SAID MOUNTING MEANS INCLUDING MEANS FOR GUIDING THE STRAP FOR LONGITUDINAL PITCHING AND SLIDING MOVEMENT FROM A RETRACTED POSITION AT WHICH THE CLAMPING END OF THE STRAP IS DRAWN UP AND BACK FROM THE WORKPIECE TO AN EXTENDED POSITION AT WHICH THE CLAMPING END OF THE STRAP IS FORCED FORWARD TO A PREDETERMINED EXTENT AND DOWN TO THE EXTENT NECESSARY TO CLAMP THE WORKPIECE, ACTUATING MEANS FOR APPLYING DRIVING FORCES TO THE DRIVING END OF THE STRAP, SAID MOUNTING MEANS INCLUDING STOP MEANS FOR LIMITING THE FORWARD MOVEMENT OF THE STRAP, SAID ACTUATING MEANS INCLUDING FIRST LINKAGE MEANS FOR DRIVING THE STRAP IN ITS PITCHING MOTION AND SECOND LINKAGE MEANS FOR DRIVING THE STRAP IN ITS SLIDING MOTION, THE INPUT END OF THE SECOND LINKAGE MEANS BEING COUPLED TO THE FIRST LINKAGE MEANS, THE SECOND LINKAGE MEANS INCLUDING YIELDING ELEMENTS WHICH TRANSMIT DRIVING POWER VIA SAID SECOND LINKAGE MEANS TO SLIDE SAID STRAP BUT WHICH YIELD TO PROVIDE A LOST MOTION ACTION AS THE SLIDING MOTION OF THE STRAP IS LIMITED WHEN SAID STRAP ENGAGES THE STOP MEANS AND SAID FIRST LINKAGE MEANS CONTINUES TO DRIVE THE CLAMPING END OF THE STRAP DOWNWARDLY.
Claim 2
Dependent Claim
224 words
A CLAMP FOR CLAMPING A WORKPIECE ON A WORKING TABLE, COMPRISING A SRTAP HAVING A CLAMPING END AND AN OPPOSITE DRIVING END, MEANS FOR MOUNTING SAID STRAP ON THE WORKING TABLE, SAID MOUNTING MEANS INCLUDING MEANS FOR GUIDING THE STRAP FOR LONGITUDINAL PITCHING AND SLIDING MOVEMENT FROM A RETRACTED POSITION AT WHICH THE CLAMPING END OF THE STRAP IS DRAWN UP AND BACK FROM THE WORKPIECE TO AN EXTENDED POSITION AT WHICH THE CLAMPING END OF THE STRAP IS FORCED FORWARD TO A PREDETERMINED EXTENT AND DOWN TO THE EXTENT NECESSARY TO CLAMP THE WORKPIECE, ACTUATING MEANS FOR APPLYING DRIVING FORCES TO THE DRIVING END OF THE STRAP, SAID MOUNTING MEANS INCLUDING STOP MEANS FOR LIMITING THE FORWARD MOVEMENT OF THE STRAP, SAID ACTUATING MEANS INCLUDING FIRST LINKAGE MEANS FOR DRIVING THE STRAP IN ITS PITCHING MOTION AND SECOND LINKAGE MEANS FOR DRIVING THE STRAP IN ITS SLIDING MOTION, THE INPUT END OF THE SECOND LINKAGE MEANS BEING COUPLED TO THE FIRST LINKAGE MEANS, THE SECOND LINKAGE MEANS INCLUDING YIELDING ELEMENTS WHICH TRANSMIT DRIVING POWER VIA SAID SECOND LINKAGE MEANS TO SLIDE SAID STRAP BUT WHICH YIELD TO PROVIDE A LOST MOTION ACTION AS THE SLIDING MOTION OF THE STRAP IS LIMITED WHEN SAID STRAP ENGAGES THE STOP MEANS AND SAID FIRST LINKAGE MEANS CONTINUES TO DRIVE THE CLAMPING END OF THE STRAP DOWNWARDLY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |