US3135170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic control for moving elements of a machine tool
Assignee: Starrfrasmaschinen AG
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Filing: 1961-07-10
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Granted: 1964-06-02
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Expires: 1981-07-10
Abstract
No abstract record available.
Inventors
- 👤 Glaser Rolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:29
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/08; B; B23; B23Q; B23Q5/00; B23Q5/22; B23Q5/26; B24; B24B; B24B47/00; B24B47/02; B24B47/06; F15B2211/00; F15B2211/30; F15B2211/305; F15B2211/30525; F15B2211/3056; F15B2211/3059; F15B2211/32; F15B2211/329; F15B2211/35; F15B2211/351; F15B2211/355; F15B2211/60; F15B2211/635; F15B2211/6355; F15B2211/70; F15B2211/765; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86582; Y10T137/86606; Y10T137/86622; Y10T137/8663
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
HAND-OPERATED CONTROL MEANS FOR HYDRAULICALLY DISPLACING MACHINE ELEMENTS OF A MACHINE TOOL; WORKING CYLINDER MEANS, WORKING PISTON MEANS, SAID WORKING PISTON MEANS BEING OPERATIVELY CONNECTED TO SAID MACHINE ELEMENTS, RESPECTIVELY, FOR DISPLACEMENT OF THE LATTER, CONDUIT MEANS LEADING TO OPPOSITE ENDS OF SAID WORKING CYLINDER MEANS, MEANS FOR FEEDING A PRIMARY PRESSURE MEDIUM TO SAID WORKING CYLINDER MEANS, SLIDE VALVE MEANS ARRANGED TO DISTRIBUTE SAID PRIMARY PRESSURE MEDIUM VIA SAID CONDUIT MEANS TO SAID WORKING CYLINDER MEANS, HAND-OPERATED PUMP MEANS ACTUATABLE IN OPPOSITE DIRECTIONS FOR CONTROLLABLY FEEDING A SECONDARY PRESSURE MEDIUM, A TANK FOR PRESSURE MEDIUM, RESPECTIVE PIPE MEANS CONNECTING SAID PUMP MEANS WITH SAID SLIDE VALVE MEANS, WHEREBY UPON ACTUATION OF SAID PUMP MEANS IN ONE OF SAID DIRECTIONS SAID SLIDE VALVE MEANS WILL BE CORRESPONDINGLY DISPLACED BY SAID SECONDARY PRESSURE MEDIUM TO ESTABLISH COMMUNICATION OF SAID PRIMARY
Claim 2
Dependent Claim
139 words
HAND-OPERATED CONTROL MEANS FOR HYDRAULICALLY DISPLACING MACHINE ELEMENTS OF A MACHINE TOOL; WORKING CYLINDER MEANS, WORKING PISTON MEANS, SAID WORKING PISTON MEANS BEING OPERATIVELY CONNECTED TO SAID MACHINE ELEMENTS, RESPECTIVELY, FOR DISPLACEMENT OF THE LATTER, CONDUIT MEANS LEADING TO OPPOSITE ENDS OF SAID WORKING CYLINDER MEANS, MEANS FOR FEEDING A PRIMARY PRESSURE MEDIUM TO SAID WORKING CYLINDER MEANS, SLIDE VALVE MEANS ARRANGED TO DISTRIBUTE SAID PRIMARY PRESSURE MEDIUM VIA SAID CONDUIT MEANS TO SAID WORKING CYLINDER MEANS, HAND-OPERATED PUMP MEANS ACTUATABLE IN OPPOSITE DIRECTIONS FOR CONTROLLABLY FEEDING A SECONDARY PRESSURE MEDIUM, A TANK FOR PRESSURE MEDIUM, RESPECTIVE PIPE MEANS CONNECTING SAID PUMP MEANS WITH SAID SLIDE VALVE MEANS, WHEREBY UPON ACTUATION OF SAID PUMP MEANS IN ONE OF SAID DIRECTIONS SAID SLIDE VALVE MEANS WILL BE CORRESPONDINGLY DISPLACED BY SAID SECONDARY PRESSURE MEDIUM TO ESTABLISH COMMUNICATION OF SAID PRIMARY
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |