US3262369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool power drawbolt mechanism
Assignee: Milacron Inc
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Filing: 1965-02-19
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Granted: 1966-07-26
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Expires: 1985-02-19
Abstract
No abstract record available.
Inventors
- 👤 Tadeusz W Piotrowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:45
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/24; B23B31/26; B23B31/261; B23B31/266; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/309352; Y10T409/309408; Y10T409/309464
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
THE COMBINATION COMPRISING: (A) A SPINDLE CARRIER, (B) A SPINDLE ROTATABLY SUPPORTED IN SAID CARRIER, (C) A DRAWBOLT RECEIVED CENTRALLY THROUGH SAID SPINDLE FOR ROTATION THEREIN, (D) A DRIVE MEMBER IN SAID CARRIER FOR PROVIDING A DRIVE TORQUE BIDIRECTIONALLY, (E) MEANS FOR SELECTIVELY CONNECTING SAID SPINDLE AND DRIVE MEMBER IN TRAIN FOR ROTATION OF SAID SPINDLE, AND (F) MEANS FOR SELECTIVELY LOCKING SAID SPINDLE AGAINST ROTATION AND FOR SIMULTANEOUSLY CONNECTING SAID DRAWBOLT IN TRAIN WITH SAID DRIVE MEMBER TO BE ROTATED IN ONE DIRECTION BY A FIRST MAXIMUM AMOUNT OF TORQUE FROM SAID DRIVE MEMBER AND IN THE OTHER DIRECTION BY A SECOND AND GREATER MAXIMUM AMOUNT OF TORQUE FROM SAID DRIVE MEMBER.
Claim 2
Dependent Claim
113 words
THE COMBINATION COMPRISING: (A) A SPINDLE CARRIER, (B) A SPINDLE ROTATABLY SUPPORTED IN SAID CARRIER, (C) A DRAWBOLT RECEIVED CENTRALLY THROUGH SAID SPINDLE FOR ROTATION THEREIN, (D) A DRIVE MEMBER IN SAID CARRIER FOR PROVIDING A DRIVE TORQUE BIDIRECTIONALLY, (E) MEANS FOR SELECTIVELY CONNECTING SAID SPINDLE AND DRIVE MEMBER IN TRAIN FOR ROTATION OF SAID SPINDLE, AND (F) MEANS FOR SELECTIVELY LOCKING SAID SPINDLE AGAINST ROTATION AND FOR SIMULTANEOUSLY CONNECTING SAID DRAWBOLT IN TRAIN WITH SAID DRIVE MEMBER TO BE ROTATED IN ONE DIRECTION BY A FIRST MAXIMUM AMOUNT OF TORQUE FROM SAID DRIVE MEMBER AND IN THE OTHER DIRECTION BY A SECOND AND GREATER MAXIMUM AMOUNT OF TORQUE FROM SAID DRIVE MEMBER.
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) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |