US3171664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chuck
Assignee: Erickson Tool Co
•
Filing: 1962-12-14
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Granted: 1965-03-02
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Expires: 1982-12-14
Abstract
No abstract record available.
Inventors
- 👤 Milton L Benjamin
- 👤 Frei George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:48
CPC Classifications
A; A61; A61C; A61C1/00; A61C1/08; A61C1/14; A61C1/142; A61C1/144; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17411; Y10T279/17487; Y10T279/17521
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A DENTAL CHUCK AND THE LIKE COMPRISING A HOUSING; A DRIVE SHAFT JOURNALLED IN SAID HOUSING; A COLLET HOLDER MOUNTED ON SAID DRIVE SHAFT FOR ROTATION THEREWITH; A COLLET SECURED AT ONE END OF SAID HOLDER AND BEING SLOTTED AT THE OTHER END FOR RADIAL CONTRACTION AND EXPANSION; A COLLET ACTUATOR AXIALLY RECIPROCABLE ON SAID HOLDER AND COACTING WITH SAID COLLET FOR RADIAL CONTRACTION AND EXPANSION THEREOF; AND A SLEEVE SURROUNDING SAID COLLET ACTUATOR BY WHICH SAID CHUCK IS ADAPTED TO BE HELD; SAID SLEEVE HAVING FRICTIONAL ENGAGEMENT WITH SAID HOUSING FOR ROTATION OF SAID SHAFT, HOLDER, COLLET, AND ACTUATOR THEREWITHIN.
Claim 2
Dependent Claim
101 words
A DENTAL CHUCK AND THE LIKE COMPRISING A HOUSING; A DRIVE SHAFT JOURNALLED IN SAID HOUSING; A COLLET HOLDER MOUNTED ON SAID DRIVE SHAFT FOR ROTATION THEREWITH; A COLLET SECURED AT ONE END OF SAID HOLDER AND BEING SLOTTED AT THE OTHER END FOR RADIAL CONTRACTION AND EXPANSION; A COLLET ACTUATOR AXIALLY RECIPROCABLE ON SAID HOLDER AND COACTING WITH SAID COLLET FOR RADIAL CONTRACTION AND EXPANSION THEREOF; AND A SLEEVE SURROUNDING SAID COLLET ACTUATOR BY WHICH SAID CHUCK IS ADAPTED TO BE HELD; SAID SLEEVE HAVING FRICTIONAL ENGAGEMENT WITH SAID HOUSING FOR ROTATION OF SAID SHAFT, HOLDER, COLLET, AND ACTUATOR THEREWITHIN.
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) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |