GB289453A - - Google Patents

Info

Publication number
GB289453A
GB289453A GB33859/27A GB3385927A GB289453A GB 289453 A GB289453 A GB 289453A GB 33859/27 A GB33859/27 A GB 33859/27A GB 3385927 A GB3385927 A GB 3385927A GB 289453 A GB289453 A GB 289453A
Authority
GB
United Kingdom
Prior art keywords
piston
head
inner piston
valve
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
GB33859/27A
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.)
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 GB289453A publication Critical patent/GB289453A/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
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
    • B66F3/25—Constructional features
    • B66F3/30—Constructional features with positive brakes or locks

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Reciprocating Pumps (AREA)
  • Actuator (AREA)
GB33859/27A 1927-04-29 1927-12-14 Expired GB289453A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE289453T 1927-04-29

Publications (1)

Publication Number Publication Date
GB289453A true GB289453A (de) 1929-01-17

Family

ID=31893952

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33859/27A Expired GB289453A (de) 1927-04-29 1927-12-14

Country Status (1)

Country Link
GB (1) GB289453A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2481597A1 (fr) * 1980-05-05 1981-11-06 Johansson Hans Arne Valentin Mecanisme de levage pour dispositifs de soulevement de malades

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2481597A1 (fr) * 1980-05-05 1981-11-06 Johansson Hans Arne Valentin Mecanisme de levage pour dispositifs de soulevement de malades
GB2075120A (en) * 1980-05-05 1981-11-11 Johansson Hans Arne Valentin Hoisting gear for patient-lifting devices

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