US3355800A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool headstock
Assignee: Giddings and Lewis LLC
•
Filing: 1966-12-21
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Granted: 1967-12-05
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Expires: 1986-12-21
Abstract
No abstract record available.
Inventors
- 👤 Daugherty Jesse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:17
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/155; B23Q3/157; B23Q3/15773; Y; Y10; Y10T; Y10T483/00; Y10T483/12; Y10T483/17; Y10T483/1733; Y10T483/1748; Y10T483/1752; Y10T483/1755; Y10T483/1757
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A MACHINE TOOL HEADSTOCK COMPRISING, IN COMBINATION, A HOUSING, A SPINDLE SLEEVE ROTATABLY MOUNTED IN SAID HOUSING, MEANS IN SAID HOUSING FOR ROTATABLY DRIVING SAID SPINDLE SLEEVE, A SPINDLE BAR FITTED WITHIN SAID SLEEVE FOR AXIAL SLIDING MOVEMENT, MEANS IN SAID HOUSING FOR AXIALLY POSITIONING SAID SPINDLE BAR, MEANS INCLUDING A RESILIENT DEVICE MOUNTED IN SAID SLEEVE FOR MECHANICALLY CLAMPING SAID SPINDLE BAR TO SAID SLEEVE SO AS TO LOCK THE SPINDLE BAR IN AXIAL POSITION FOR ROTATION WITH SAID SLEEVE, AN ACTUATOR FORMED IN SAID SLEEVE TO EXERT A FORCE IN OPPOSITION TO SAID RESILIENT DEVICE, AND MEANS TO ENERGIZE SAID ACTUATOR SO AS TO UNLOCK SAID SPINDLE BAR FOR AXIAL MOVEMENT WITHIN SAID SLEEVE.
Claim 2
Dependent Claim
116 words
A MACHINE TOOL HEADSTOCK COMPRISING, IN COMBINATION, A HOUSING, A SPINDLE SLEEVE ROTATABLY MOUNTED IN SAID HOUSING, MEANS IN SAID HOUSING FOR ROTATABLY DRIVING SAID SPINDLE SLEEVE, A SPINDLE BAR FITTED WITHIN SAID SLEEVE FOR AXIAL SLIDING MOVEMENT, MEANS IN SAID HOUSING FOR AXIALLY POSITIONING SAID SPINDLE BAR, MEANS INCLUDING A RESILIENT DEVICE MOUNTED IN SAID SLEEVE FOR MECHANICALLY CLAMPING SAID SPINDLE BAR TO SAID SLEEVE SO AS TO LOCK THE SPINDLE BAR IN AXIAL POSITION FOR ROTATION WITH SAID SLEEVE, AN ACTUATOR FORMED IN SAID SLEEVE TO EXERT A FORCE IN OPPOSITION TO SAID RESILIENT DEVICE, AND MEANS TO ENERGIZE SAID ACTUATOR SO AS TO UNLOCK SAID SPINDLE BAR FOR AXIAL MOVEMENT WITHIN SAID SLEEVE.
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) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |