GB416212A - Improvements in and connected with lifting and jacking devices - Google Patents

Improvements in and connected with lifting and jacking devices

Info

Publication number
GB416212A
GB416212A GB32301/33A GB3230133A GB416212A GB 416212 A GB416212 A GB 416212A GB 32301/33 A GB32301/33 A GB 32301/33A GB 3230133 A GB3230133 A GB 3230133A GB 416212 A GB416212 A GB 416212A
Authority
GB
United Kingdom
Prior art keywords
piston
secured
head
packing
lifting
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
GB32301/33A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB416212A publication Critical patent/GB416212A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F5/00—Mobile jacks of the garage type mounted on wheels or rollers
    • B66F5/04—Mobile jacks of the garage type mounted on wheels or rollers with fluid-pressure-operated lifting gear

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Actuator (AREA)

Abstract

416,212. Pistons; piston packing. JACKSON, A., and TENNANT, O. L., 469, Eddy Street, San Francisco, U.S.A. Nov. 20, 1933, No. 32301. Convention date, Feb. 21. [Class 122 (i).] In a fluid-pressure lifting-jack,the piston comprises a head 11 welded to arcuate skirt portions 13. The packing comprises arcuate bands 14 of leather &c. secured to the skirts 13, an interposed band 16 of felt &c. impregnated with lubricant, and a flanged rubber or like plate 17, 18 mounted between plates 19 secured to the piston head by a central bolt passing through an enlarged aperture which permits lateral movement.
GB32301/33A 1933-02-21 1933-11-20 Improvements in and connected with lifting and jacking devices Expired GB416212A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US416212XA 1933-02-21 1933-02-21

Publications (1)

Publication Number Publication Date
GB416212A true GB416212A (en) 1934-09-13

Family

ID=21917484

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32301/33A Expired GB416212A (en) 1933-02-21 1933-11-20 Improvements in and connected with lifting and jacking devices

Country Status (1)

Country Link
GB (1) GB416212A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2085936A1 (en) * 1970-04-08 1971-12-31 Tranchero Jacques
GB2144712A (en) * 1983-08-09 1985-03-13 Michael Hung Safety device for jacks
GB2164630A (en) * 1984-09-24 1986-03-26 Wang Ta Chin Wheeled hydraulic jack

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2085936A1 (en) * 1970-04-08 1971-12-31 Tranchero Jacques
GB2144712A (en) * 1983-08-09 1985-03-13 Michael Hung Safety device for jacks
GB2164630A (en) * 1984-09-24 1986-03-26 Wang Ta Chin Wheeled hydraulic jack

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