FR2398018A1 - Perfectionnements apportes aux engins de levage - Google Patents

Perfectionnements apportes aux engins de levage

Info

Publication number
FR2398018A1
FR2398018A1 FR7723365A FR7723365A FR2398018A1 FR 2398018 A1 FR2398018 A1 FR 2398018A1 FR 7723365 A FR7723365 A FR 7723365A FR 7723365 A FR7723365 A FR 7723365A FR 2398018 A1 FR2398018 A1 FR 2398018A1
Authority
FR
France
Prior art keywords
girder
brackets
top flange
lifting system
system against
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.)
Granted
Application number
FR7723365A
Other languages
English (en)
Other versions
FR2398018B3 (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.)
BUCKNALL ARTHUR
Original Assignee
BUCKNALL ARTHUR
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 BUCKNALL ARTHUR filed Critical BUCKNALL ARTHUR
Priority to FR7723365A priority Critical patent/FR2398018A1/fr
Publication of FR2398018A1 publication Critical patent/FR2398018A1/fr
Application granted granted Critical
Publication of FR2398018B3 publication Critical patent/FR2398018B3/fr
Granted 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Abstract

Procédé pour élever une charge jusqu'à son entrée en contact avec la face inférieure d'une poutre ou poutrelle à section en I et faisant partie d'une structure Il consiste : à monter sur l'aile supérieure de la poutre en I des potences entaillées, disposées par paires; à faire passer une corde ou une chaîne sur deux poulies de chaque potence de la paire, une extrémité de la corde ou de la chaîne pendant à partir de chaque potence; à fixer la charge jusqu'à ce qu'elle entre en contact avec l'aile inférieure de la poutre en I, en appliquant une traction à l'autre extrémité de la corde ou chaîne. Application aux engins de levage.
FR7723365A 1977-07-22 1977-07-22 Perfectionnements apportes aux engins de levage Granted FR2398018A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7723365A FR2398018A1 (fr) 1977-07-22 1977-07-22 Perfectionnements apportes aux engins de levage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7723365A FR2398018A1 (fr) 1977-07-22 1977-07-22 Perfectionnements apportes aux engins de levage

Publications (2)

Publication Number Publication Date
FR2398018A1 true FR2398018A1 (fr) 1979-02-16
FR2398018B3 FR2398018B3 (fr) 1980-06-13

Family

ID=9193975

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7723365A Granted FR2398018A1 (fr) 1977-07-22 1977-07-22 Perfectionnements apportes aux engins de levage

Country Status (1)

Country Link
FR (1) FR2398018A1 (fr)

Also Published As

Publication number Publication date
FR2398018B3 (fr) 1980-06-13

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Legal Events

Date Code Title Description
ST Notification of lapse