US3222054A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clamping device
Assignee: Individual
•
Filing: 1962-05-29
•
Granted: 1965-12-07
•
Expires: 1982-05-29
Abstract
No abstract record available.
Inventors
- 👤 Anthony A Bisulca
- 👤 James W Cunningham
- 👤 Andrew A Warenius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:23
CPC Classifications
B; B25; B25B; B25B5/00; B25B5/06; B25B5/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A WORKPIECE HOLDING CLAMP COMPRISING, A BASE FRAME, A HEEL FRAME CONNECTED THERETO, A BARREL CAM ACTIVATED CENTER POST INCLUDING A HELICAL SLOT TERMINATING BAR TWEEN THE ENDS THEREOF, SAID POST BEING CONFINED WITHIN SAID HEEL FRAME BY MEANS OF A PIVOT PIN SLIDABLY AND PIVOTALLY ENGAGING SAID POST AT ONE END, A CLAMPING ARM, A CLAMPING ARM ACTUATOR MEMBER CONNECTED TO THE OTHER END OF SAID POST, SAID ACTUATOR MEMBER PASSING THROUGH SAID CLAMPING ARM AND THROUGH A SPRING WASHER POSITIONED BETWEEN SAID CLAMPING ARM AND SAID HEEL FRAME, A HANDLE PIVOTALLY CONNECTED TO SAID HEEL FRAME, LINKAGE MEANS PIVOTALLY CONNECTED TO SAID HANDLE, AND A RIVET CONNECTED TO SAID LINKAGE MEANS, SAID RIVET BEING SLIDABLY ENGAGED IN THE SLOT OF SAID POST.
Claim 2
Dependent Claim
124 words
A WORKPIECE HOLDING CLAMP COMPRISING, A BASE FRAME, A HEEL FRAME CONNECTED THERETO, A BARREL CAM ACTIVATED CENTER POST INCLUDING A HELICAL SLOT TERMINATING BAR TWEEN THE ENDS THEREOF, SAID POST BEING CONFINED WITHIN SAID HEEL FRAME BY MEANS OF A PIVOT PIN SLIDABLY AND PIVOTALLY ENGAGING SAID POST AT ONE END, A CLAMPING ARM, A CLAMPING ARM ACTUATOR MEMBER CONNECTED TO THE OTHER END OF SAID POST, SAID ACTUATOR MEMBER PASSING THROUGH SAID CLAMPING ARM AND THROUGH A SPRING WASHER POSITIONED BETWEEN SAID CLAMPING ARM AND SAID HEEL FRAME, A HANDLE PIVOTALLY CONNECTED TO SAID HEEL FRAME, LINKAGE MEANS PIVOTALLY CONNECTED TO SAID HANDLE, AND A RIVET CONNECTED TO SAID LINKAGE MEANS, SAID RIVET BEING SLIDABLY ENGAGED IN THE SLOT OF SAID POST.
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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |