GB581833A - Improvements in locking arrangements for telescopic jacks - Google Patents

Improvements in locking arrangements for telescopic jacks

Info

Publication number
GB581833A
GB581833A GB754645A GB754645A GB581833A GB 581833 A GB581833 A GB 581833A GB 754645 A GB754645 A GB 754645A GB 754645 A GB754645 A GB 754645A GB 581833 A GB581833 A GB 581833A
Authority
GB
United Kingdom
Prior art keywords
locking
telescopic jacks
locking arrangements
sleeve
dowty
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.)
Expired
Application number
GB754645A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dowty Equipment Ltd
Original Assignee
Dowty Equipment Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dowty Equipment Ltd filed Critical Dowty Equipment Ltd
Priority to GB754645A priority Critical patent/GB581833A/en
Publication of GB581833A publication Critical patent/GB581833A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/26—Locking mechanisms
    • F15B15/261—Locking mechanisms using positive interengagement, e.g. balls and grooves, for locking in the end positions

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Clamps And Clips (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)

Abstract

581,833. Hydraulic machines. DOWTY EQUIPMENT, Ltd., DOWTY, G. H., and BASTOW, F. Feb. 25, 1944, No. 7546/45. Divided out of 579,294. [Class 69 (ii)] In a locking device for telescopic jacks of the kind in which spring fingers 10 on the piston or cylinder engage a locking-formation 12 on the other member and are locked in position by a sleeve 13, the sleeve is urged into locking 'position by fluid pressure. Specifications 568,582 and 579,294 are referred to.
GB754645A 1944-02-25 1944-02-25 Improvements in locking arrangements for telescopic jacks Expired GB581833A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB754645A GB581833A (en) 1944-02-25 1944-02-25 Improvements in locking arrangements for telescopic jacks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB754645A GB581833A (en) 1944-02-25 1944-02-25 Improvements in locking arrangements for telescopic jacks

Publications (1)

Publication Number Publication Date
GB581833A true GB581833A (en) 1946-10-25

Family

ID=9835204

Family Applications (1)

Application Number Title Priority Date Filing Date
GB754645A Expired GB581833A (en) 1944-02-25 1944-02-25 Improvements in locking arrangements for telescopic jacks

Country Status (1)

Country Link
GB (1) GB581833A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2887091A (en) * 1958-01-28 1959-05-19 Cleveland Pneumatic Ind Inc Actuator finger lock
US3003473A (en) * 1959-11-05 1961-10-10 Clemco Aero Products Inc Mechanical lock for pistons of fluid pressure rams
US3020887A (en) * 1959-07-01 1962-02-13 Gen Electric Linear motion-producing device and improved locking means therefor
US3426651A (en) * 1966-07-26 1969-02-11 Pneumo Dynamics Corp Air-oil suspension
US4466334A (en) * 1982-03-09 1984-08-21 The United States Of America As Represented By The Secretary Of The Navy Hydraulic aircraft/stores cartridge
EP0283693A1 (en) * 1987-03-25 1988-09-28 Knorr-Bremse Ag Fluid-powered actuator
US5540138A (en) * 1993-09-02 1996-07-30 Robbins, Jr. ; Roland W. Lockup and release device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2887091A (en) * 1958-01-28 1959-05-19 Cleveland Pneumatic Ind Inc Actuator finger lock
US3020887A (en) * 1959-07-01 1962-02-13 Gen Electric Linear motion-producing device and improved locking means therefor
US3003473A (en) * 1959-11-05 1961-10-10 Clemco Aero Products Inc Mechanical lock for pistons of fluid pressure rams
US3426651A (en) * 1966-07-26 1969-02-11 Pneumo Dynamics Corp Air-oil suspension
US4466334A (en) * 1982-03-09 1984-08-21 The United States Of America As Represented By The Secretary Of The Navy Hydraulic aircraft/stores cartridge
EP0283693A1 (en) * 1987-03-25 1988-09-28 Knorr-Bremse Ag Fluid-powered actuator
US5540138A (en) * 1993-09-02 1996-07-30 Robbins, Jr. ; Roland W. Lockup and release device

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