DE211847C - - Google Patents

Info

Publication number
DE211847C
DE211847C DENDAT211847D DE211847DA DE211847C DE 211847 C DE211847 C DE 211847C DE NDAT211847 D DENDAT211847 D DE NDAT211847D DE 211847D A DE211847D A DE 211847DA DE 211847 C DE211847 C DE 211847C
Authority
DE
Germany
Prior art keywords
piston
cylinder
lifting
locking mechanism
pressure medium
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
DENDAT211847D
Other languages
German (de)
English (en)
Publication of DE211847C publication Critical patent/DE211847C/de
Active legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
    • B66F3/242—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated suspended jacks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/54—Arrangements or details not restricted to group B23Q5/02 or group B23Q5/22 respectively, e.g. control handles
    • B23Q5/58—Safety devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Actuator (AREA)
  • Transmission Devices (AREA)
DENDAT211847D Active DE211847C (es)

Publications (1)

Publication Number Publication Date
DE211847C true DE211847C (es)

Family

ID=473616

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT211847D Active DE211847C (es)

Country Status (1)

Country Link
DE (1) DE211847C (es)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2540578A (en) * 1945-09-27 1951-02-06 Lockheed Aircraft Corp Hydraulic internal locking jack
US2625910A (en) * 1951-03-22 1953-01-20 Michalak Stanley Piston cylinder apparatus
US2811951A (en) * 1954-08-31 1957-11-05 Gen Motors Corp Actuator and locking means therefor
US2876746A (en) * 1954-10-26 1959-03-10 Hartford Special Machinery Co Fluid actuated jack with pressure responsive automatic lock
US2879746A (en) * 1955-12-08 1959-03-31 Gen Motors Corp Actuator with unidirectional locking means
EP0224914A1 (en) * 1985-12-05 1987-06-10 Eride Rossato Hydraulic cylinder-piston unit provided with a mechanical safety device, particularly for pantograph type motor vehicle lifts
US5205203A (en) * 1985-12-05 1993-04-27 Eride Rossato Hydraulic cylinder-piston unit provided with a mechanical safety device, particularly for pantograph type motor vehicle lifts

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2540578A (en) * 1945-09-27 1951-02-06 Lockheed Aircraft Corp Hydraulic internal locking jack
US2625910A (en) * 1951-03-22 1953-01-20 Michalak Stanley Piston cylinder apparatus
US2811951A (en) * 1954-08-31 1957-11-05 Gen Motors Corp Actuator and locking means therefor
US2876746A (en) * 1954-10-26 1959-03-10 Hartford Special Machinery Co Fluid actuated jack with pressure responsive automatic lock
US2879746A (en) * 1955-12-08 1959-03-31 Gen Motors Corp Actuator with unidirectional locking means
EP0224914A1 (en) * 1985-12-05 1987-06-10 Eride Rossato Hydraulic cylinder-piston unit provided with a mechanical safety device, particularly for pantograph type motor vehicle lifts
WO1987003655A1 (en) * 1985-12-05 1987-06-18 Eride Rossato Hydraulic cylinder-piston unit provided with a mechanical safety device, particularly for pantograph type motor vehicle lifts
US5205203A (en) * 1985-12-05 1993-04-27 Eride Rossato Hydraulic cylinder-piston unit provided with a mechanical safety device, particularly for pantograph type motor vehicle lifts

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