GB1229219A - - Google Patents

Info

Publication number
GB1229219A
GB1229219A GB1229219DA GB1229219A GB 1229219 A GB1229219 A GB 1229219A GB 1229219D A GB1229219D A GB 1229219DA GB 1229219 A GB1229219 A GB 1229219A
Authority
GB
United Kingdom
Prior art keywords
switch
dec
grip
division
instinctive
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
English (en)
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
Publication of GB1229219A publication Critical patent/GB1229219A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H21/00Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/02Details
    • H01H21/04Cases; Covers
    • H01H21/10Casing of switch constituted by a handle serving a purpose other than the actuation of the switch
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2300/00Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
    • H01H2300/026Application dead man switch: power must be interrupted on release of operating member
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2300/00Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
    • H01H2300/028Application dead man switch, i.e. power being interrupted by panic reaction of operator, e.g. further pressing down push button

Landscapes

  • Drilling And Boring (AREA)
  • Earth Drilling (AREA)
GB1229219D 1967-12-29 1967-12-29 Expired GB1229219A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5909567 1967-12-29

Publications (1)

Publication Number Publication Date
GB1229219A true GB1229219A (de) 1971-04-21

Family

ID=10483056

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1229219D Expired GB1229219A (de) 1967-12-29 1967-12-29

Country Status (1)

Country Link
GB (1) GB1229219A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4549097A (en) * 1983-04-11 1985-10-22 Ulmer Jamie F Electric safety switch
DE3841458C1 (en) * 1988-12-09 1990-05-10 Euchner & Co, 7022 Leinfelden-Echterdingen, De Safety switch to be actuated by a person

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4549097A (en) * 1983-04-11 1985-10-22 Ulmer Jamie F Electric safety switch
DE3841458C1 (en) * 1988-12-09 1990-05-10 Euchner & Co, 7022 Leinfelden-Echterdingen, De Safety switch to be actuated by a person

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Legal Events

Date Code Title Description
PS Patent sealed
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PCNP Patent ceased through non-payment of renewal fee