US3606808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick-acting chucks
Assignee: Individual
•
Filing: 1969-11-25
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Granted: 1971-09-21
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Expires: 1989-11-25
Abstract
Abstract A ROTATABLE CARRIER HAS A WORK SUPPORT CENTER AND A SHAFT EXTENDING RADIALLY OUTWARDLY FROM THE CENTER. COACTING JAW UNITS ARE FREELY SLIDABLE ON THE SHAFT TOWARD AND AWAY FROM THE CENTER AND ARE PROVIDED WITH CAMACTUATED LOCKING PLATES. THE PLATES WHEN UNLOCKED SLIDE FREELY ON THE SHAFT, BUT ARE CANTABLE BY CAM ACTION TO A LOCKING GRIP WITH THE SHAFT, WHEREUPON FURTHER CAM ACTION BRINGS THE JAW UNITS INTO CLAMPING ENGAGEMENT WITH WORK ON THE CENTER.
Inventors
- 👤 Jerry L Bowden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:40
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/16; B23B31/16291; B23B31/14; B23B31/142; Y; Y10; Y10T; Y10T279/00; Y10T279/19; Y10T279/1961; Y10T82/00; Y10T82/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |