GB2057570B - Telescoping jack - Google Patents

Telescoping jack

Info

Publication number
GB2057570B
GB2057570B GB8021897A GB8021897A GB2057570B GB 2057570 B GB2057570 B GB 2057570B GB 8021897 A GB8021897 A GB 8021897A GB 8021897 A GB8021897 A GB 8021897A GB 2057570 B GB2057570 B GB 2057570B
Authority
GB
United Kingdom
Prior art keywords
telescoping jack
telescoping
jack
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
GB8021897A
Other versions
GB2057570A (en
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.)
Joy Global Industries Ltd
Original Assignee
Dobson Park Industries 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 Dobson Park Industries Ltd filed Critical Dobson Park Industries Ltd
Priority to GB8021897A priority Critical patent/GB2057570B/en
Publication of GB2057570A publication Critical patent/GB2057570A/en
Application granted granted Critical
Publication of GB2057570B publication Critical patent/GB2057570B/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
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/16—Characterised by the construction of the motor unit of the straight-cylinder type of the telescopic type

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
GB8021897A 1979-08-07 1980-07-03 Telescoping jack Expired GB2057570B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8021897A GB2057570B (en) 1979-08-07 1980-07-03 Telescoping jack

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7927547 1979-08-07
GB8021897A GB2057570B (en) 1979-08-07 1980-07-03 Telescoping jack

Publications (2)

Publication Number Publication Date
GB2057570A GB2057570A (en) 1981-04-01
GB2057570B true GB2057570B (en) 1983-05-18

Family

ID=26272463

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8021897A Expired GB2057570B (en) 1979-08-07 1980-07-03 Telescoping jack

Country Status (1)

Country Link
GB (1) GB2057570B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2176845B (en) * 1985-06-21 1989-04-26 600 Group Plc The Improvements in telescopic devices such as crane jibs
GB8815785D0 (en) * 1988-07-02 1988-08-10 British Petroleum Co Plc Soft-landing device
CN101105133B (en) * 2007-07-27 2010-05-19 中国矿业大学 Double extension suspended type hydraulic vertical prop
CN102536951B (en) * 2010-12-15 2014-11-05 海洋王照明科技股份有限公司 Lamppost and extension cylinder thereof
CN103603975B (en) * 2013-11-26 2015-10-28 湖南特力液压有限公司 Multistage hydraulic cylinder

Also Published As

Publication number Publication date
GB2057570A (en) 1981-04-01

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee