GB914291A - Improvements in lifting jacks - Google Patents

Improvements in lifting jacks

Info

Publication number
GB914291A
GB914291A GB4467960A GB4467960A GB914291A GB 914291 A GB914291 A GB 914291A GB 4467960 A GB4467960 A GB 4467960A GB 4467960 A GB4467960 A GB 4467960A GB 914291 A GB914291 A GB 914291A
Authority
GB
United Kingdom
Prior art keywords
casing
nut
column
lever
bearing
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
GB4467960A
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 GB914291A publication Critical patent/GB914291A/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
    • B66F1/00—Devices, e.g. jacks, for lifting loads in predetermined steps
    • B66F1/02—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts
    • 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
    • B66F1/00—Devices, e.g. jacks, for lifting loads in predetermined steps
    • B66F1/02—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts
    • B66F1/04—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts the posts being toothed
    • B66F1/06—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts the posts being toothed and the devices being actuated mechanically
    • 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
    • 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
    • B66F3/16—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated actuated through bevel-wheel gearings

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
GB4467960A 1959-12-29 1960-12-29 Improvements in lifting jacks Expired GB914291A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR814563A FR1258249A (fr) 1959-12-29 1959-12-29 Cric à montée par coincement et à descente par rampe hélicoïdale

Publications (1)

Publication Number Publication Date
GB914291A true GB914291A (en) 1963-01-02

Family

ID=8723263

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4467960A Expired GB914291A (en) 1959-12-29 1960-12-29 Improvements in lifting jacks

Country Status (5)

Country Link
CH (1) CH369569A (US08087162-20120103-C00010.png)
DE (1) DE1152238B (US08087162-20120103-C00010.png)
FR (1) FR1258249A (US08087162-20120103-C00010.png)
GB (1) GB914291A (US08087162-20120103-C00010.png)
NL (2) NL129748C (US08087162-20120103-C00010.png)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB525455A (en) * 1939-02-21 1940-08-28 Alvin Leonard Johnson Improvements in and relating to lifting jacks
DE889688C (de) * 1950-12-17 1953-11-19 Karl Herzog Sanitaere Friseur Hubeinrichtung
DE962197C (de) * 1952-09-27 1957-04-18 Braselmann Fa Ferd Hebevorrichtung mit Klemmplattenschaltwerk

Also Published As

Publication number Publication date
FR1258249A (fr) 1961-04-14
DE1152238B (de) 1963-08-01
NL259487A (US08087162-20120103-C00010.png) 1970-05-15
NL129748C (US08087162-20120103-C00010.png) 1970-09-16
CH369569A (fr) 1963-05-31

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