FR510704A - Improvements to jacks - Google Patents

Improvements to jacks

Info

Publication number
FR510704A
FR510704A FR510704A FR510704DA FR510704A FR 510704 A FR510704 A FR 510704A FR 510704 A FR510704 A FR 510704A FR 510704D A FR510704D A FR 510704DA FR 510704 A FR510704 A FR 510704A
Authority
FR
France
Prior art keywords
jacks
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
FR510704A
Other languages
French (fr)
Inventor
Charles Dunois
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
Application granted granted Critical
Publication of FR510704A publication Critical patent/FR510704A/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
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
FR510704A 1920-02-05 1920-02-05 Improvements to jacks Expired FR510704A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR510704T 1920-02-05

Publications (1)

Publication Number Publication Date
FR510704A true FR510704A (en) 1920-12-09

Family

ID=8911949

Family Applications (1)

Application Number Title Priority Date Filing Date
FR510704A Expired FR510704A (en) 1920-02-05 1920-02-05 Improvements to jacks

Country Status (1)

Country Link
FR (1) FR510704A (en)

Similar Documents

Publication Publication Date Title
FR540819A (en) Improvements to radio-receivers
FR540287A (en) Improvements relating to manometers
FR24721E (en) Improvements to radio-receivers
FR530138A (en) Improvements to keys
FR510704A (en) Improvements to jacks
FR520707A (en) Improvements to jacks
FR541218A (en) Improvements to strawberries
FR536577A (en) Improvements to jacks
FR534500A (en) Improvements to constructions
FR533404A (en) Improvements to starters
FR517367A (en) Improvements to cinematographs
FR527344A (en) Improvements to vices-filers
FR523155A (en) Improvements to areoplanes
FR514851A (en) Improvements to crutches
FR508307A (en) Improvements to standards
FR27158E (en) Improvements to radio-receivers
FR559341A (en) Improvements to seleno-radio-dosimeter
FR524066A (en) Improvements to incubators
FR526697A (en) Improvements to jacks
FR502107A (en) Improvements to jacks
FR538467A (en) Improvements to warplanes
FR522297A (en) Improvements to pumps
FR528334A (en) Improvements to starters
FR527815A (en) Improvements to starters
FR517376A (en) Improvements to starters