FR671648A - Improvements to pulleys-hoists - Google Patents

Improvements to pulleys-hoists

Info

Publication number
FR671648A
FR671648A FR671648DA FR671648A FR 671648 A FR671648 A FR 671648A FR 671648D A FR671648D A FR 671648DA FR 671648 A FR671648 A FR 671648A
Authority
FR
France
Prior art keywords
hoists
pulleys
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
Other languages
French (fr)
Inventor
Carl Alfred Johansson
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 filed Critical
Application granted granted Critical
Publication of FR671648A publication Critical patent/FR671648A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D3/00—Portable or mobile lifting or hauling appliances
    • B66D3/04—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
    • B66D3/06—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage with more than one pulley
    • B66D3/10—Applications of braking or detent devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR671648D 1929-03-18 1929-03-18 Improvements to pulleys-hoists Expired FR671648A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR671648T 1929-03-18

Publications (1)

Publication Number Publication Date
FR671648A true FR671648A (en) 1929-12-16

Family

ID=9017067

Family Applications (1)

Application Number Title Priority Date Filing Date
FR671648D Expired FR671648A (en) 1929-03-18 1929-03-18 Improvements to pulleys-hoists

Country Status (1)

Country Link
FR (1) FR671648A (en)

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