JPS6453998A - Hydraulic jack - Google Patents

Hydraulic jack

Info

Publication number
JPS6453998A
JPS6453998A JP14996087A JP14996087A JPS6453998A JP S6453998 A JPS6453998 A JP S6453998A JP 14996087 A JP14996087 A JP 14996087A JP 14996087 A JP14996087 A JP 14996087A JP S6453998 A JPS6453998 A JP S6453998A
Authority
JP
Japan
Prior art keywords
arm
base
castor
drive cylinder
pivoted
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.)
Granted
Application number
JP14996087A
Other languages
Japanese (ja)
Other versions
JP2553353B2 (en
Inventor
Masayoshi Ishii
Yasuhiro Fujii
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.)
KYB Corp
Original Assignee
Kayaba Industry Co 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 Kayaba Industry Co Ltd filed Critical Kayaba Industry Co Ltd
Priority to JP62149960A priority Critical patent/JP2553353B2/en
Publication of JPS6453998A publication Critical patent/JPS6453998A/en
Application granted granted Critical
Publication of JP2553353B2 publication Critical patent/JP2553353B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Jib Cranes (AREA)
  • Handcart (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Abstract

PURPOSE: To improve work efficiency by arranging a hydraulic jack main body provided with a plurality of legs on a bogie so as to float freely, arranging a plurality of castors in a lower part of the bogie, and connecting each castor with a drive cylinder provided on the bogie directly or through an arm. CONSTITUTION: An arm 22 is pivoted in an end part of a bracket 21 provided on a base 20 through a shaft 78, and a castor 23 is connected with the arm 22. In the same way, a drive cylinder 74 for adjusting height is arranged in a lower part of the base 20 through a bracket, and a piston rod is pivoted in the other end of the arm 22. Accordingly, when the drive cylinder 74 is expanded and shrunk, the arm 22 is displaced from a horizontal position to a vertical position, the castor 23 also moves at this time, and the base 20 moves vertically by corresponding to an angle of the arm 22. Moreover, a castor 26 is pivoted at a lower end of a drive cylinder 75 connected with the base 20, and the base 20 moves vertically due to the expansion and shrinkage of the cylinder 75. Consequently, both cylinders 74, 75 are expanded and shrunk to adjust a height and compensate the inclination of a hydraulic cylinder 9.
JP62149960A 1987-05-08 1987-06-16 Hydraulic jack Expired - Fee Related JP2553353B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62149960A JP2553353B2 (en) 1987-05-08 1987-06-16 Hydraulic jack

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP11277587 1987-05-08
JP62-112775 1987-05-08
JP62149960A JP2553353B2 (en) 1987-05-08 1987-06-16 Hydraulic jack

Publications (2)

Publication Number Publication Date
JPS6453998A true JPS6453998A (en) 1989-03-01
JP2553353B2 JP2553353B2 (en) 1996-11-13

Family

ID=26451863

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62149960A Expired - Fee Related JP2553353B2 (en) 1987-05-08 1987-06-16 Hydraulic jack

Country Status (1)

Country Link
JP (1) JP2553353B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101042555B1 (en) * 2009-07-29 2011-06-20 주식회사 흥진티엔디 The instrument that change block lifter´s course for building a ship

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS502098U (en) * 1973-05-04 1975-01-10
JPS5636880U (en) * 1979-08-30 1981-04-08

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS502098U (en) * 1973-05-04 1975-01-10
JPS5636880U (en) * 1979-08-30 1981-04-08

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101042555B1 (en) * 2009-07-29 2011-06-20 주식회사 흥진티엔디 The instrument that change block lifter´s course for building a ship

Also Published As

Publication number Publication date
JP2553353B2 (en) 1996-11-13

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees