GB2176846B - Three part telescopic prop - Google Patents

Three part telescopic prop

Info

Publication number
GB2176846B
GB2176846B GB08611764A GB8611764A GB2176846B GB 2176846 B GB2176846 B GB 2176846B GB 08611764 A GB08611764 A GB 08611764A GB 8611764 A GB8611764 A GB 8611764A GB 2176846 B GB2176846 B GB 2176846B
Authority
GB
United Kingdom
Prior art keywords
telescopic prop
part telescopic
prop
telescopic
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
GB08611764A
Other versions
GB8611764D0 (en
GB2176846A (en
Inventor
Heinz Gerd Schlutz
Hermann-Josef Schulze-Heiming
Willy Watermann
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.)
Kloeckner Becorit GmbH
Original Assignee
Kloeckner Becorit GmbH
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 Kloeckner Becorit GmbH filed Critical Kloeckner Becorit GmbH
Publication of GB8611764D0 publication Critical patent/GB8611764D0/en
Publication of GB2176846A publication Critical patent/GB2176846A/en
Application granted granted Critical
Publication of GB2176846B publication Critical patent/GB2176846B/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)
  • Safety Valves (AREA)
  • Fluid-Damping Devices (AREA)
  • Actuator (AREA)
GB08611764A 1985-06-19 1986-05-14 Three part telescopic prop Expired GB2176846B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853521818 DE3521818A1 (en) 1985-06-19 1985-06-19 TRIPLE-TELESCOPE STAMP

Publications (3)

Publication Number Publication Date
GB8611764D0 GB8611764D0 (en) 1986-06-25
GB2176846A GB2176846A (en) 1987-01-07
GB2176846B true GB2176846B (en) 1988-10-19

Family

ID=6273578

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08611764A Expired GB2176846B (en) 1985-06-19 1986-05-14 Three part telescopic prop

Country Status (3)

Country Link
BE (1) BE904948A (en)
DE (1) DE3521818A1 (en)
GB (1) GB2176846B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3720040A1 (en) * 1987-06-16 1988-12-29 Neumeister Hydraulik Kg Telescopic cylinder
IT1211191B (en) * 1987-07-10 1989-10-12 Op Pagliero S P A IMPROVEMENT RELATING TO THE MULTI-STAGE COAXIAL HYDRAULIC JACKS THAT CAN BE OPERATED TELESCOPICALLY AT THE SAME TIME
US5026218A (en) * 1989-11-16 1991-06-25 Joy Technologies Inc. Temporary roof support cylinder
CN101845957A (en) * 2010-05-10 2010-09-29 中煤北京煤矿机械有限责任公司 Triple retractable column and hydraulic bracket
CN103410534B (en) * 2013-08-29 2016-02-10 郑州煤矿机械集团股份有限公司 Triple telescopic column for hydraulic support
CN103603975B (en) * 2013-11-26 2015-10-28 湖南特力液压有限公司 Multi-stage hydraulic cylinder

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE924479C (en) * 1952-10-25 1955-03-03 Toussaint & Hess Gmbh Hydraulic lifting device with parts that can be telescoped into one another
BE607500A (en) * 1960-09-02
GB935257A (en) * 1960-11-09 1963-08-28 Dowty Mining Equipment Ltd Improvements relating to hydraulic prop assemblies
GB1022443A (en) * 1961-06-07 1966-03-16 Dobson Ltd W E & F Improvements in or relating to load supporting props assemblies

Also Published As

Publication number Publication date
DE3521818A1 (en) 1987-01-02
GB8611764D0 (en) 1986-06-25
GB2176846A (en) 1987-01-07
BE904948A (en) 1986-10-16

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Legal Events

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

Effective date: 19970514