US3154922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic control arrangement for moving elements of a machine tool
Assignee: Starrfrasmaschinen AG
•
Filing: 1962-02-08
•
Granted: 1964-11-03
•
Expires: 1982-02-08
Abstract
No abstract record available.
Inventors
- 👤 Glaser Rolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:14
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; F15B2211/60; F15B2211/635; F15B2211/6355; F15B2211/70; F15B2211/765
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
A FLUID ACTUATED CONTROL FOR DISPLACING PARTS SUCH AS MACHINE ELEMENTS OF A MACHINE TOOL COMPRISING A WORKING CYLINDER, A PISTON DISPLACEABLE IN SAID WORKING CYLINDER OPERABLY CONNECTABLE TO A MACHINE ELEMENT TO SHIFT THE AFORESAID ELEMENT IN ACCORDANCE WITH DISPLACEMENT OF SAID PISTON, AND MEANS FOR APPLYING A FIRST FLUID UNDER PRESSURE TO SAID WORKING CYLINDER SELECTIVELY TO ALTERNATE SIDES OF SAID PISTON TO DISPLACE SAID PISTON TO SHIFT THE MACHINE ELEMENT, INCLUDING A CONTROL ELEMENT HAVING A SLIDING CONTROL VALVE THEREIN FOR CONTROLLING THE DIRECTION OF THE FIRST FLUID TO THE RESPECTIVE SIDES OF SAID WORKING CYLINDER, AND A ROTATABLE HAND CRANK OPERATED FLUID PUMP CONNECTED TO SAID CONTROL ELEMENT AND ROTATABLE IN ONE DIRECTION FOR SUPPLYING A SECOND FLUID TO SHIFT THE CONTROL VALVE TO CAUSE SAID FIRST FLUID TO BE DIRECTED TO ONE SIDE OF SAID PISTON IN SAID WORKING CYLINDER AND TO MOVE SAID PISTON AND MACHINE ELEMENT IN ONE DIRECTION, SAID HAND OPERATED FLUID PUMP BEING ROTATABLE IN AN OPPOSITE DIRECTION FOR SUPPLYING SAID SECOND FLUID TO SHIFT SAID CONTROL VALVE TO CAUSE SAID FIRST FLUID TO BE
Claim 2
Dependent Claim
184 words
A FLUID ACTUATED CONTROL FOR DISPLACING PARTS SUCH AS MACHINE ELEMENTS OF A MACHINE TOOL COMPRISING A WORKING CYLINDER, A PISTON DISPLACEABLE IN SAID WORKING CYLINDER OPERABLY CONNECTABLE TO A MACHINE ELEMENT TO SHIFT THE AFORESAID ELEMENT IN ACCORDANCE WITH DISPLACEMENT OF SAID PISTON, AND MEANS FOR APPLYING A FIRST FLUID UNDER PRESSURE TO SAID WORKING CYLINDER SELECTIVELY TO ALTERNATE SIDES OF SAID PISTON TO DISPLACE SAID PISTON TO SHIFT THE MACHINE ELEMENT, INCLUDING A CONTROL ELEMENT HAVING A SLIDING CONTROL VALVE THEREIN FOR CONTROLLING THE DIRECTION OF THE FIRST FLUID TO THE RESPECTIVE SIDES OF SAID WORKING CYLINDER, AND A ROTATABLE HAND CRANK OPERATED FLUID PUMP CONNECTED TO SAID CONTROL ELEMENT AND ROTATABLE IN ONE DIRECTION FOR SUPPLYING A SECOND FLUID TO SHIFT THE CONTROL VALVE TO CAUSE SAID FIRST FLUID TO BE DIRECTED TO ONE SIDE OF SAID PISTON IN SAID WORKING CYLINDER AND TO MOVE SAID PISTON AND MACHINE ELEMENT IN ONE DIRECTION, SAID HAND OPERATED FLUID PUMP BEING ROTATABLE IN AN OPPOSITE DIRECTION FOR SUPPLYING SAID SECOND FLUID TO SHIFT SAID CONTROL VALVE TO CAUSE SAID FIRST FLUID TO BE
References Cited (Backward Citations)
US404472A
Cited
US2675652A
Cited
US2020951A
Cited
US2185277A
Cited
US2236467A
Cited
US2214817A
Cited
US2400685A
Cited
US2368628A
Cited
US2558071A
Cited
US2637303A
Cited
US2512979A
Cited
US2835265A
Cited
US2825307A
Cited
US2816420A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |