US3332693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collet and holder
Assignee: Individual
•
Filing: 1964-07-10
•
Granted: 1967-07-25
•
Expires: 1984-07-10
Abstract
No abstract record available.
Inventors
- 👤 John H Armstrong
- 👤 Philip D Golrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:09
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/20; B23B31/201; B23B31/2012; B23B31/20125; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17411; Y10T279/17487; Y10T279/17495; Y10T279/17529; Y10T279/17863; Y10T279/17871; Y10T279/17881; Y10T279/34; Y10T279/3481
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
190 words
IN COMBINATION, A COLLET HAVING A MAIN EXTERNAL TAPER ADAPTED TO SEAT IN A COLLET HOLDER AND A TUBULAR NOSE EXTERNAL TAPER RUNNING TOWARD THE MAIN TAPER WITH A CIRCUMFERENTIAL GIRDLE OF MAXIMUM COLLET DIAMETER THEREBETWEEN AND A COLLET HOLDER INCLUDING A HOLLOW BODY HAVING A REAR SHANK PORTION ADAPTED TO BE RECEIVED IN A MACHINE SPINDLE, A FRONT PORTION THREADED TO RECEIVE A LOCKING COLLAR AND A COLLET SEATING INTERNAL TAPER ADAPTED TO RECEIVE SAID COLLET WITH THE NOSE TAPER PORTION PROJECTING BEYOND THE SEATING TAPER, A LOCKING COLLAR IN THREADED ENGAGEMENT WITH THE THREADED FRONT PORTION OF THE BODY AND HAVING A LIP DIRECTED INWARDLY INTO THE CENTRAL OPENING OF THE COLLAR DEFINING A NON-CIRCULAR OPENING BY WHICH THE COLLET MAY BE PASSED AXIALLY ENTIRELY THROUGH THE COLLAR AND A PRESSURE RING WITH AN INTERNAL TAPER CORRESPONDING TO AND BEARING ON SAID NOSE TAPER OF CONTACT WITH SAID BODY AND HAVING AN EXTERNAL RIM PORTION OF NON-CIRCULAR FORM SAID RIM PORTION ADAPTED TO BE RECEIVED THROUGH SAID OPENING AND UPON A ROTATIONAL SHIFTING RELATIVE TO SAID COLLAR ADAPTED TO ATTAIN AN INTERLOCKED ENGAGEMENT BEHIND SAID INWARD COLLAR LIP.
Claim 2
Dependent Claim
190 words
IN COMBINATION, A COLLET HAVING A MAIN EXTERNAL TAPER ADAPTED TO SEAT IN A COLLET HOLDER AND A TUBULAR NOSE EXTERNAL TAPER RUNNING TOWARD THE MAIN TAPER WITH A CIRCUMFERENTIAL GIRDLE OF MAXIMUM COLLET DIAMETER THEREBETWEEN AND A COLLET HOLDER INCLUDING A HOLLOW BODY HAVING A REAR SHANK PORTION ADAPTED TO BE RECEIVED IN A MACHINE SPINDLE, A FRONT PORTION THREADED TO RECEIVE A LOCKING COLLAR AND A COLLET SEATING INTERNAL TAPER ADAPTED TO RECEIVE SAID COLLET WITH THE NOSE TAPER PORTION PROJECTING BEYOND THE SEATING TAPER, A LOCKING COLLAR IN THREADED ENGAGEMENT WITH THE THREADED FRONT PORTION OF THE BODY AND HAVING A LIP DIRECTED INWARDLY INTO THE CENTRAL OPENING OF THE COLLAR DEFINING A NON-CIRCULAR OPENING BY WHICH THE COLLET MAY BE PASSED AXIALLY ENTIRELY THROUGH THE COLLAR AND A PRESSURE RING WITH AN INTERNAL TAPER CORRESPONDING TO AND BEARING ON SAID NOSE TAPER OF CONTACT WITH SAID BODY AND HAVING AN EXTERNAL RIM PORTION OF NON-CIRCULAR FORM SAID RIM PORTION ADAPTED TO BE RECEIVED THROUGH SAID OPENING AND UPON A ROTATIONAL SHIFTING RELATIVE TO SAID COLLAR ADAPTED TO ATTAIN AN INTERLOCKED ENGAGEMENT BEHIND SAID INWARD COLLAR LIP.
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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |