FR1443729A - Clearance-free worm screw jack - Google Patents

Clearance-free worm screw jack

Info

Publication number
FR1443729A
FR1443729A FR27834A FR27834A FR1443729A FR 1443729 A FR1443729 A FR 1443729A FR 27834 A FR27834 A FR 27834A FR 27834 A FR27834 A FR 27834A FR 1443729 A FR1443729 A FR 1443729A
Authority
FR
France
Prior art keywords
clearance
worm screw
screw jack
free worm
free
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
FR27834A
Other languages
French (fr)
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.)
Duff Norton Co Inc
Original Assignee
Duff Norton Co Inc
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 Duff Norton Co Inc filed Critical Duff Norton Co Inc
Priority to FR27834A priority Critical patent/FR1443729A/en
Application granted granted Critical
Publication of FR1443729A publication Critical patent/FR1443729A/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
    • B66F3/18—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated actuated through worm gearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H25/2003—Screw mechanisms with arrangements for taking up backlash
    • F16H25/2006—Screw mechanisms with arrangements for taking up backlash with more than one nut or with nuts consisting of more than one bearing part

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
FR27834A 1965-08-10 1965-08-10 Clearance-free worm screw jack Expired FR1443729A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR27834A FR1443729A (en) 1965-08-10 1965-08-10 Clearance-free worm screw jack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR27834A FR1443729A (en) 1965-08-10 1965-08-10 Clearance-free worm screw jack

Publications (1)

Publication Number Publication Date
FR1443729A true FR1443729A (en) 1966-06-24

Family

ID=8586361

Family Applications (1)

Application Number Title Priority Date Filing Date
FR27834A Expired FR1443729A (en) 1965-08-10 1965-08-10 Clearance-free worm screw jack

Country Status (1)

Country Link
FR (1) FR1443729A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2166013A1 (en) * 1971-12-27 1973-08-10 Clark Equipment Co

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2166013A1 (en) * 1971-12-27 1973-08-10 Clark Equipment Co

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