AT302219B - Bolt lock - Google Patents

Bolt lock

Info

Publication number
AT302219B
AT302219B AT877970A AT877970A AT302219B AT 302219 B AT302219 B AT 302219B AT 877970 A AT877970 A AT 877970A AT 877970 A AT877970 A AT 877970A AT 302219 B AT302219 B AT 302219B
Authority
AT
Austria
Prior art keywords
bolt lock
lock
bolt
Prior art date
Application number
AT877970A
Other languages
German (de)
Original Assignee
Dresser Ind
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 Dresser Ind filed Critical Dresser Ind
Application granted granted Critical
Publication of AT302219B publication Critical patent/AT302219B/en

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Earth Drilling (AREA)
AT877970A 1969-10-16 1970-09-29 Bolt lock AT302219B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US86684969A 1969-10-16 1969-10-16

Publications (1)

Publication Number Publication Date
AT302219B true AT302219B (en) 1972-10-10

Family

ID=25348560

Family Applications (1)

Application Number Title Priority Date Filing Date
AT877970A AT302219B (en) 1969-10-16 1970-09-29 Bolt lock

Country Status (4)

Country Link
US (1) US3612596A (en)
AT (1) AT302219B (en)
FR (1) FR2064381B1 (en)
GB (1) GB1302457A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4475755A (en) * 1982-09-24 1984-10-09 The Crosby Group, Inc. Apparatus and method for assembly-disassembly of a spring loaded hook
US6921059B2 (en) * 2002-02-08 2005-07-26 General Cable Technologies, Corp. Method for evening tension in a twisted pair electric cable
TWM415108U (en) * 2010-11-15 2011-11-01 yi-shun Shi Blocking structure for rotational column of bearing pulley
CN107458960B (en) * 2017-09-18 2019-04-12 贾玉亮 A kind of shackle hook with self-locking function
DE102018106729A1 (en) * 2018-03-21 2019-09-26 Liebherr-Werk Biberach Gmbh Spring loaded lifting device for a crane
CN112079245B (en) * 2020-07-21 2022-09-23 太原重工股份有限公司 Split type lifting hook

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2158372A (en) * 1936-08-03 1939-05-16 Nat Supply Co Spring hook
US2158373A (en) * 1937-04-05 1939-05-16 Nat Supply Co Spring hook
US2331341A (en) * 1942-01-09 1943-10-12 Byron Jackson Co Drilling hook
US2508595A (en) * 1946-07-31 1950-05-23 Byron C Christensen Combination traveling block and swivel connection
DE878783C (en) * 1950-11-03 1953-06-05 Salzgitter Maschinen Ag Roller block for rotary drilling operation
US2661232A (en) * 1951-05-21 1953-12-01 Nat Supply Co Drilling hook assembly
US2814522A (en) * 1952-11-12 1957-11-26 Web Wilson Oil Tools Inc Connector-hook

Also Published As

Publication number Publication date
FR2064381B1 (en) 1975-07-04
GB1302457A (en) 1973-01-10
FR2064381A1 (en) 1971-07-23
US3612596A (en) 1971-10-12

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Legal Events

Date Code Title Description
EIH Change in the person of patent owner
ELJ Ceased due to non-payment of the annual fee