US3095205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chuck
Assignee: Individual
•
Filing: 1961-07-28
•
Granted: 1963-06-25
•
Expires: 1981-07-28
Abstract
No abstract record available.
Inventors
- 👤 Farnsworth Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:34
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/20; B23B31/201; B23B31/16; B23B31/16158; B23B2231/00; B23B2231/20; B23B2231/2086; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17666; Y10T279/17692; Y10T279/17743; Y10T279/19; Y10T279/1986
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
186 words
A COLLET CHUCK FOR USE WITH A MACHINE TOOL HAVING A SPINDLE INCLUDING A FREE END, SAID CHUCK COMPRISING A TUBULAR BODY ADAPTED TO BE REMOVABLY SECURED TO SAID FREE END, A TUBULAR COLLET CLOSER AXIALLY SLIDABLE WITHIN SAID BODY BETWEEN COLLET CLOSED AND COLLET OPEN POSITIONS, GRIPPER JAWS IN SAID CLOSER AND ACTUATED THEREBY, SAID CLOSER HAVING AN INCLINED CLOSING SURFACE, AN ACTUATING COLLAR SLIDABLY MOUNTED AROUND SAID BODY FOR AXIAL SLIDING RELATIVE THERETO AND ALSO HAVING AN INCLINED CLOSING SURFACE, A PLURALITY OF CIRCUMFERENTIALLY SPACED BALLS CARRIED BY AND SHIFTABLE RELATIVE TO SAID BODY AND LOCATED BETWEEN AND ABUTTABLE AGAINST SAID CLOSING SURFACES, AN ADJUSTING RING THREADLY ENGAGED ON SAID BODY FOR AXIAL ADJUSTMENT THEREALONG AND HAVING A CONICAL CAM SURFACE ADJACENT TO BUT OPPOSITELY FACING THE INCLINED CLOSING SURFACE OF SAID CLOSER AND ENGAGEABLE BY SAID BALLS, AND MEANS FOR AXIALLY SHIFTING SAID COLLAR TO THEREBY CAUSE ITS CLOSING SURFACE TO RADIALLY SHIFT SAID BALLS INWARDLY BETWEEN THE CLOSING SURFACE OF SAID CLOSER AND SAID CAM SURFACE TO CONSEQUENTLY AXIALLY SHIFT THE CLOSER AWAY FROM SAID CAM SURFACE AND TO A CLOSED POSITION.
Claim 2
Dependent Claim
186 words
A COLLET CHUCK FOR USE WITH A MACHINE TOOL HAVING A SPINDLE INCLUDING A FREE END, SAID CHUCK COMPRISING A TUBULAR BODY ADAPTED TO BE REMOVABLY SECURED TO SAID FREE END, A TUBULAR COLLET CLOSER AXIALLY SLIDABLE WITHIN SAID BODY BETWEEN COLLET CLOSED AND COLLET OPEN POSITIONS, GRIPPER JAWS IN SAID CLOSER AND ACTUATED THEREBY, SAID CLOSER HAVING AN INCLINED CLOSING SURFACE, AN ACTUATING COLLAR SLIDABLY MOUNTED AROUND SAID BODY FOR AXIAL SLIDING RELATIVE THERETO AND ALSO HAVING AN INCLINED CLOSING SURFACE, A PLURALITY OF CIRCUMFERENTIALLY SPACED BALLS CARRIED BY AND SHIFTABLE RELATIVE TO SAID BODY AND LOCATED BETWEEN AND ABUTTABLE AGAINST SAID CLOSING SURFACES, AN ADJUSTING RING THREADLY ENGAGED ON SAID BODY FOR AXIAL ADJUSTMENT THEREALONG AND HAVING A CONICAL CAM SURFACE ADJACENT TO BUT OPPOSITELY FACING THE INCLINED CLOSING SURFACE OF SAID CLOSER AND ENGAGEABLE BY SAID BALLS, AND MEANS FOR AXIALLY SHIFTING SAID COLLAR TO THEREBY CAUSE ITS CLOSING SURFACE TO RADIALLY SHIFT SAID BALLS INWARDLY BETWEEN THE CLOSING SURFACE OF SAID CLOSER AND SAID CAM SURFACE TO CONSEQUENTLY AXIALLY SHIFT THE CLOSER AWAY FROM SAID CAM SURFACE AND TO A CLOSED POSITION.
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) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |