GB184723A - Improvements in or connected with lifting jacks - Google Patents

Improvements in or connected with lifting jacks

Info

Publication number
GB184723A
GB184723A GB2669121A GB2669121A GB184723A GB 184723 A GB184723 A GB 184723A GB 2669121 A GB2669121 A GB 2669121A GB 2669121 A GB2669121 A GB 2669121A GB 184723 A GB184723 A GB 184723A
Authority
GB
United Kingdom
Prior art keywords
screw
jacks
lifting jacks
sides
lake
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
GB2669121A
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
Priority to GB2669121A priority Critical patent/GB184723A/en
Publication of GB184723A publication Critical patent/GB184723A/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
    • B66F3/08—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Revetment (AREA)
  • Piles And Underground Anchors (AREA)

Abstract

184,723. Lake, A. E. Oct. 10, 1921. Jacks.-In screw jacks in which the screw is non-rotating, two opposite sides B, C of the standard extend parallel to each other nearly to the ground and form an abutment for the non- circular end of the screw, and the other sides D, E are extended and formed with internal webs F, G to act as a base.
GB2669121A 1921-10-10 1921-10-10 Improvements in or connected with lifting jacks Expired GB184723A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2669121A GB184723A (en) 1921-10-10 1921-10-10 Improvements in or connected with lifting jacks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2669121A GB184723A (en) 1921-10-10 1921-10-10 Improvements in or connected with lifting jacks

Publications (1)

Publication Number Publication Date
GB184723A true GB184723A (en) 1922-08-24

Family

ID=10247661

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2669121A Expired GB184723A (en) 1921-10-10 1921-10-10 Improvements in or connected with lifting jacks

Country Status (1)

Country Link
GB (1) GB184723A (en)

Similar Documents

Publication Publication Date Title
GB184723A (en) Improvements in or connected with lifting jacks
AU66121A (en) Improvements in and relating to hoisting and conveying devices
CA209794A (en) Lifting jack
CA214241A (en) Gauge and pump connection
CA211308A (en) Power jack
AU498821A (en) Improved lift and force pump
CA194612A (en) Lifting jack and drill
CA209352A (en) Self lowering jack
CA212998A (en) Lifting jack
CA212113A (en) Lifting jack
CA211692A (en) Lifting jack
CA212450A (en) Lifting jack
CA209862A (en) Lifting jack
CA209362A (en) Lifting jack
CA209679A (en) Lifting jack
AU1215423A (en) Improvements in lifting jacks
CA231200A (en) Logging donkey engine
CA209191A (en) Multiple screw jack
AU1391423A (en) Improvements in and relating to extension tables
CA207664A (en) Double acting power wrench
CA209364A (en) High speed lifting jack
CA213761A (en) Jack
CA211519A (en) Jack
CA212484A (en) Jack
AU540922A (en) Improved bolt and pin holder and drilling gauge