FR1119883A - Limit load warning device - Google Patents

Limit load warning device

Info

Publication number: FR1119883A
Authority: FR; France
Prior art keywords: warning device; limit load; load warning; limit; warning
Prior art date: 1955-02-18
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

Inventor

Robert-Jean Chamaillard

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.)

1955-02-18

Filing date

1955-02-18

Publication date

1956-06-26

1955-02-18 Application filed filed Critical

1956-06-26 Application granted granted Critical

1956-06-26 Publication of FR1119883A publication Critical patent/FR1119883A/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/006—Switches operated by mechanical overload condition, e.g. transmitted force or torque becoming too high
- 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
- B66C1/40—Crane hooks formed or fitted with load measuring or indicating devices

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)

FR1119883D 1955-02-18 1955-02-18 Limit load warning device Expired FR1119883A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR1119883T		1955-02-18

Publications (1)

Publication Number	Publication Date
FR1119883A true FR1119883A (en)	1956-06-26

Family

ID=9631189

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR1119883D Expired FR1119883A (en)	1955-02-18	1955-02-18	Limit load warning device

Country Status (1)

Country	Link
FR (1)	FR1119883A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1205780B (en) *	1958-02-25	1965-11-25	Grinnell Corp	Suspension device with motor-driven screw spindle winch, especially for pipes subject to thermal expansion
US3569650A (en) *	1969-02-17	1971-03-09	Robert E Chubbuck	Load limit switch
FR2221385A1 (en) *	1973-03-13	1974-10-11	Crometa	Load limiter for lifting apparatus - has spring-loaded member sliding in housing and opening switch contacts
US4176349A (en) *	1977-12-05	1979-11-27	Fliegel Martin S	Intravenous alarm system
FR2478605A1 (en) *	1980-03-21	1981-09-25	Henrion Blaise	Swivel hook link with stress sensitive washer to indicate overload - where washer is of material of limited ductility and is designed to shatter if over-stressed
EP3219659A1 (en) *	2016-03-16	2017-09-20	Goodrich Corporation	Hoist cable overload detection systems and methods
WO2020160575A1 (en) *	2019-02-01	2020-08-06	Nemtek (Pty) Ltd	Tension sensor
CN116902774A (en) *	2023-09-14	2023-10-20	天津港航工程有限公司	Single-hanging-point turning tool for impeller of high-capacity wind generating set and construction method of single-hanging-point turning tool

1955
- 1955-02-18 FR FR1119883D patent/FR1119883A/en not_active Expired

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1205780B (en) *	1958-02-25	1965-11-25	Grinnell Corp	Suspension device with motor-driven screw spindle winch, especially for pipes subject to thermal expansion
US3569650A (en) *	1969-02-17	1971-03-09	Robert E Chubbuck	Load limit switch
FR2221385A1 (en) *	1973-03-13	1974-10-11	Crometa	Load limiter for lifting apparatus - has spring-loaded member sliding in housing and opening switch contacts
US4176349A (en) *	1977-12-05	1979-11-27	Fliegel Martin S	Intravenous alarm system
FR2478605A1 (en) *	1980-03-21	1981-09-25	Henrion Blaise	Swivel hook link with stress sensitive washer to indicate overload - where washer is of material of limited ductility and is designed to shatter if over-stressed
EP3219659A1 (en) *	2016-03-16	2017-09-20	Goodrich Corporation	Hoist cable overload detection systems and methods
US9850103B2 (en)	2016-03-16	2017-12-26	Goodrich Corporation	Hoist cable overload detection systems and methods
WO2020160575A1 (en) *	2019-02-01	2020-08-06	Nemtek (Pty) Ltd	Tension sensor
US11650115B2 (en)	2019-02-01	2023-05-16	Nemtek (Pty) Ltd	Tension sensor
CN116902774A (en) *	2023-09-14	2023-10-20	天津港航工程有限公司	Single-hanging-point turning tool for impeller of high-capacity wind generating set and construction method of single-hanging-point turning tool
CN116902774B (en) *	2023-09-14	2023-12-26	天津港航工程有限公司	Single-hanging-point turning tool for impeller of high-capacity wind generating set and construction method of single-hanging-point turning tool

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