FR1056178A - Control and stop device for prop or telescopic jack - Google Patents

Control and stop device for prop or telescopic jack

Info

Publication number
FR1056178A
FR1056178A FR1056178DA FR1056178A FR 1056178 A FR1056178 A FR 1056178A FR 1056178D A FR1056178D A FR 1056178DA FR 1056178 A FR1056178 A FR 1056178A
Authority
FR
France
Prior art keywords
prop
control
stop device
telescopic jack
jack
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
Jean-Marc Breschard
Michel Breschard
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 FR1056178A publication Critical patent/FR1056178A/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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G25/00—Shores or struts; Chocks
    • E04G25/04—Shores or struts; Chocks telescopic
    • E04G25/08—Shores or struts; Chocks telescopic with parts held relatively to each other by friction or gripping
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
    • E21D15/36—Telescopic props with parts held relatively to each other by friction or gripping by a tiltable collar surrounding one or both parts
FR1056178D 1952-01-04 1952-01-04 Control and stop device for prop or telescopic jack Expired FR1056178A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1056178T 1952-01-04

Publications (1)

Publication Number Publication Date
FR1056178A true FR1056178A (en) 1954-02-24

Family

ID=9597327

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1056178D Expired FR1056178A (en) 1952-01-04 1952-01-04 Control and stop device for prop or telescopic jack

Country Status (1)

Country Link
FR (1) FR1056178A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29605222U1 (en) * 1996-03-22 1996-06-13 Glueck Rainer Holding device
DE102014115162A1 (en) * 2014-10-17 2016-04-21 Daniel Bormann rescue Rams
DE202017107709U1 (en) 2016-01-25 2018-01-11 Industrias Piqueras, S.A. Quick release accessory

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29605222U1 (en) * 1996-03-22 1996-06-13 Glueck Rainer Holding device
EP0888485A1 (en) 1996-03-22 1999-01-07 Rainer Glück Support
DE102014115162A1 (en) * 2014-10-17 2016-04-21 Daniel Bormann rescue Rams
DE202017107709U1 (en) 2016-01-25 2018-01-11 Industrias Piqueras, S.A. Quick release accessory

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