FR2520712A1 - Crochet de securite - Google Patents

Crochet de securite Download PDF

Info

Publication number
FR2520712A1
FR2520712A1 FR8301407A FR8301407A FR2520712A1 FR 2520712 A1 FR2520712 A1 FR 2520712A1 FR 8301407 A FR8301407 A FR 8301407A FR 8301407 A FR8301407 A FR 8301407A FR 2520712 A1 FR2520712 A1 FR 2520712A1
Authority
FR
France
Prior art keywords
locking
closing
hook
closure
hook according
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.)
Pending
Application number
FR8301407A
Other languages
English (en)
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.)
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
Priority claimed from SE8200507A external-priority patent/SE8200507L/xx
Priority claimed from SE8207445A external-priority patent/SE8207445L/xx
Application filed by Individual filed Critical Individual
Publication of FR2520712A1 publication Critical patent/FR2520712A1/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
    • B66C1/34—Crane hooks
    • B66C1/36—Crane hooks with means, e.g. spring-biased detents, for preventing inadvertent disengagement of loads

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
  • Emergency Lowering Means (AREA)
FR8301407A 1982-01-29 1983-01-28 Crochet de securite Pending FR2520712A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8200507A SE8200507L (sv) 1982-01-29 1982-01-29 Karbinhake
SE8207445A SE8207445L (en) 1982-12-28 1982-12-28 Lifting hook with safety closure - has arm locked in lifting position by spring loaded catch

Publications (1)

Publication Number Publication Date
FR2520712A1 true FR2520712A1 (fr) 1983-08-05

Family

ID=26658080

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8301407A Pending FR2520712A1 (fr) 1982-01-29 1983-01-28 Crochet de securite

Country Status (4)

Country Link
DK (1) DK32183A (da)
FI (1) FI830296L (da)
FR (1) FR2520712A1 (da)
NO (1) NO830291L (da)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4948190A (en) * 1989-07-24 1990-08-14 The Crosby Group, Inc. Locking flapper type latch for crane hook
US6283523B1 (en) * 1998-08-13 2001-09-04 ETABLISSEMENTS LUDGER SIMOND SOCIéTé ANONYME Safety hook with immobilizable locking lever
US6283524B1 (en) * 1998-08-13 2001-09-04 ETABLISSEMENTS LUDGER SIMOND SOCIéTé ANONYME Safety hook with locking lever articulated on the locking finger
EP2532395A1 (de) * 2011-06-10 2012-12-12 Salewa Sportgeräte GmbH Karabiner, insbesondere Klettersteigkarabiner

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191011932A (en) * 1909-06-08 1910-09-15 Frank Sherkel Improvements in Snap Hooks.
GB231197A (en) * 1924-03-24 1925-08-06 Peter August Nordling Improvement in hooks and the like
GB286774A (en) * 1926-12-08 1928-03-08 Eason Roberts Chittenden Improvements in spring hooks
GB310213A (en) * 1928-05-23 1929-04-25 Edward Bowell A safety locking hook for cranes and the like
US1879168A (en) * 1931-07-10 1932-09-27 North & Judd Mfg Co Safety snap hook
US1949608A (en) * 1931-07-17 1934-03-06 Mathias Klein & Sons Safety hook
US1964428A (en) * 1932-09-19 1934-06-26 Duffy Thomas Francis Safety hook
FR2108918A6 (da) * 1970-10-15 1972-05-26 Stas
US3831994A (en) * 1973-06-04 1974-08-27 Forgecraft Corp Safety hook
US4062092A (en) * 1975-07-11 1977-12-13 Fujii Denko Company, Limited Safety hook
US4122585A (en) * 1977-07-18 1978-10-31 Sharp Jonathan E Single-action double-lock snap
FR2425400A1 (fr) * 1978-05-09 1979-12-07 Beon Roger Le Perfectionnements aux crochets de securite

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191011932A (en) * 1909-06-08 1910-09-15 Frank Sherkel Improvements in Snap Hooks.
GB231197A (en) * 1924-03-24 1925-08-06 Peter August Nordling Improvement in hooks and the like
GB286774A (en) * 1926-12-08 1928-03-08 Eason Roberts Chittenden Improvements in spring hooks
GB310213A (en) * 1928-05-23 1929-04-25 Edward Bowell A safety locking hook for cranes and the like
US1879168A (en) * 1931-07-10 1932-09-27 North & Judd Mfg Co Safety snap hook
US1949608A (en) * 1931-07-17 1934-03-06 Mathias Klein & Sons Safety hook
US1964428A (en) * 1932-09-19 1934-06-26 Duffy Thomas Francis Safety hook
FR2108918A6 (da) * 1970-10-15 1972-05-26 Stas
US3831994A (en) * 1973-06-04 1974-08-27 Forgecraft Corp Safety hook
US4062092A (en) * 1975-07-11 1977-12-13 Fujii Denko Company, Limited Safety hook
US4122585A (en) * 1977-07-18 1978-10-31 Sharp Jonathan E Single-action double-lock snap
FR2425400A1 (fr) * 1978-05-09 1979-12-07 Beon Roger Le Perfectionnements aux crochets de securite

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4948190A (en) * 1989-07-24 1990-08-14 The Crosby Group, Inc. Locking flapper type latch for crane hook
US6283523B1 (en) * 1998-08-13 2001-09-04 ETABLISSEMENTS LUDGER SIMOND SOCIéTé ANONYME Safety hook with immobilizable locking lever
US6283524B1 (en) * 1998-08-13 2001-09-04 ETABLISSEMENTS LUDGER SIMOND SOCIéTé ANONYME Safety hook with locking lever articulated on the locking finger
EP2532395A1 (de) * 2011-06-10 2012-12-12 Salewa Sportgeräte GmbH Karabiner, insbesondere Klettersteigkarabiner

Also Published As

Publication number Publication date
NO830291L (no) 1983-08-01
FI830296A0 (fi) 1983-01-27
DK32183D0 (da) 1983-01-27
FI830296L (fi) 1983-07-30
DK32183A (da) 1983-07-30

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