GB1310268A - Hydraulic telescopic jibs or derricks - Google Patents

Hydraulic telescopic jibs or derricks

Info

Publication number
GB1310268A
GB1310268A GB2130770A GB2130770A GB1310268A GB 1310268 A GB1310268 A GB 1310268A GB 2130770 A GB2130770 A GB 2130770A GB 2130770 A GB2130770 A GB 2130770A GB 1310268 A GB1310268 A GB 1310268A
Authority
GB
United Kingdom
Prior art keywords
cylinders
piston
cylinder
rod
extended
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
GB2130770A
Other languages
English (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.)
Weyhausen G F
Original Assignee
Weyhausen G F
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
Priority claimed from DE19691922486 external-priority patent/DE1922486C/de
Application filed by Weyhausen G F filed Critical Weyhausen G F
Publication of GB1310268A publication Critical patent/GB1310268A/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/64—Jibs
    • B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
    • B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
    • B66C23/705—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by hydraulic jacks

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
GB2130770A 1969-05-02 1970-05-04 Hydraulic telescopic jibs or derricks Expired GB1310268A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691922486 DE1922486C (de) 1969-05-02 Hydraulischer Teleskopausschub-Ausleger

Publications (1)

Publication Number Publication Date
GB1310268A true GB1310268A (en) 1973-03-14

Family

ID=5733102

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2130770A Expired GB1310268A (en) 1969-05-02 1970-05-04 Hydraulic telescopic jibs or derricks

Country Status (2)

Country Link
GB (1) GB1310268A (de)
SE (1) SE357941B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2176845A (en) * 1985-06-21 1987-01-07 600 Group Plc The Hydraulically operated telescopic device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2176845A (en) * 1985-06-21 1987-01-07 600 Group Plc The Hydraulically operated telescopic device
GB2176845B (en) * 1985-06-21 1989-04-26 600 Group Plc The Improvements in telescopic devices such as crane jibs

Also Published As

Publication number Publication date
DE1922486A1 (de) 1970-11-12
DE1922486B2 (de) 1972-08-24
SE357941B (de) 1973-07-16

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Legal Events

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