Patent US3119281A successfully refreshed from Google Patents.
US3119281A
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US
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Feed mechanism
Assignee: New Britain Machine Co
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Filing: 1960-09-12
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Granted: 1964-01-28
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Expires: 1980-09-12
Abstract
No abstract record available.
Inventors
- 👤 Gerber Roger
- 👤 Stephan L Barth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:22
CPC Classifications
F; F16; F16H; F16H37/00; F16H37/02; F16H37/06; F16H37/08; F16H37/0806; F16H37/0826; B; B23; B23Q; B23Q5/00; B23Q5/02; B23Q5/04; B23Q5/12; B23Q5/14; B23Q5/142; B23Q2705/00; B23Q2705/02; B23Q2705/06; B23Q2705/062; B23Q2705/064; F16H2700/00; F16H2700/02; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19074; Y10T74/19079; Y10T74/19088
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
SELECTIVE TRANSMISSION APPARATUS FOR CONTROLLING FEED OF A MACHINE TOOL BY AN OUTPUT SHAFT FOR RAPID ADVANCE, SLOW WORKING TRAVEL, RAPID RETRACTION, AND DWELL, AND IN COORDINATED RELATION TO A WORK SPINDLE DRIVE SHAFT, COMPRISING FIRST AND SECOND ROTARY INPUT MEMBERS AND MEANS INCLUDING A DIFFERENTIAL GEAR SYSTEM CONNECTING THE INPUT MEMBERS TO SAID OUTPUT SHAFT, A PLURALITY OF SUCCESSIVE CHANGE GEAR SHAFTS BETWEEN THE WORK SPINDLE DRIVE SHAFT AND ONE OF SAID INPUT MEMBERS, EACH CHANGE GEAR SHAFT HAVING SHIFTABLE SPEED RATIO CHANGE GEARING CONNECTIONS WITH A NEXT OF THE CHANGE GEAR SHAFTS, AND A PLURALITY OF ELECTRICAL GEAR SHIFT CONTROLS, ONE FOR EACH OF "N" NUMBER OF SAID CHANGE GEARING CONNECTIONS, AND OPER-
Claim 2
Dependent Claim
115 words
SELECTIVE TRANSMISSION APPARATUS FOR CONTROLLING FEED OF A MACHINE TOOL BY AN OUTPUT SHAFT FOR RAPID ADVANCE, SLOW WORKING TRAVEL, RAPID RETRACTION, AND DWELL, AND IN COORDINATED RELATION TO A WORK SPINDLE DRIVE SHAFT, COMPRISING FIRST AND SECOND ROTARY INPUT MEMBERS AND MEANS INCLUDING A DIFFERENTIAL GEAR SYSTEM CONNECTING THE INPUT MEMBERS TO SAID OUTPUT SHAFT, A PLURALITY OF SUCCESSIVE CHANGE GEAR SHAFTS BETWEEN THE WORK SPINDLE DRIVE SHAFT AND ONE OF SAID INPUT MEMBERS, EACH CHANGE GEAR SHAFT HAVING SHIFTABLE SPEED RATIO CHANGE GEARING CONNECTIONS WITH A NEXT OF THE CHANGE GEAR SHAFTS, AND A PLURALITY OF ELECTRICAL GEAR SHIFT CONTROLS, ONE FOR EACH OF "N" NUMBER OF SAID CHANGE GEARING CONNECTIONS, AND OPER-
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) | 1967-01-27 | 1967-07-29 | 1968-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-27 | 1971-07-29 | 1972-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-27 | 1975-07-29 | 1976-01-28 | $7700.00 | Window Closed / Lapsed |