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IT945270B - IMPROVEMENT IN KEY-OPERATED ELECTRIC SWITCHES - Google Patents

IMPROVEMENT IN KEY-OPERATED ELECTRIC SWITCHES

Info

Publication number
IT945270B
IT945270B IT54524/71A IT5452471A IT945270B IT 945270 B IT945270 B IT 945270B IT 54524/71 A IT54524/71 A IT 54524/71A IT 5452471 A IT5452471 A IT 5452471A IT 945270 B IT945270 B IT 945270B
Authority
IT
Italy
Prior art keywords
key
improvement
electric switches
operated electric
operated
Prior art date
Application number
IT54524/71A
Other languages
Italian (it)
Original Assignee
Mc Gill Mfg Co Inc
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 Mc Gill Mfg Co Inc filed Critical Mc Gill Mfg Co Inc
Application granted granted Critical
Publication of IT945270B publication Critical patent/IT945270B/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H27/00—Switches operated by a removable member, e.g. key, plug or plate; Switches operated by setting members according to a single predetermined combination out of several possible settings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/50—Special application
    • Y10T70/5611—For control and machine elements
    • Y10T70/569—Lever
    • Y10T70/573—Single
    • Y10T70/5735—Externally mounted locking device
    • Y10T70/5739—With padlock
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/50—Special application
    • Y10T70/5611—For control and machine elements
    • Y10T70/569—Lever
    • Y10T70/573—Single
    • Y10T70/5743—Disconnectable
IT54524/71A 1970-12-28 1971-12-03 IMPROVEMENT IN KEY-OPERATED ELECTRIC SWITCHES IT945270B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10193470A 1970-12-28 1970-12-28

Publications (1)

Publication Number Publication Date
IT945270B true IT945270B (en) 1973-05-10

Family

ID=22287249

Family Applications (1)

Application Number Title Priority Date Filing Date
IT54524/71A IT945270B (en) 1970-12-28 1971-12-03 IMPROVEMENT IN KEY-OPERATED ELECTRIC SWITCHES

Country Status (6)

Country Link
US (1) US3632914A (en)
CA (1) CA936206A (en)
DE (2) DE7147102U (en)
FR (1) FR2120845A5 (en)
GB (1) GB1338036A (en)
IT (1) IT945270B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3906176A (en) * 1974-08-02 1975-09-16 Hubbell Inc Harvey Tamperproof switch
US4230917A (en) * 1979-02-12 1980-10-28 Mcgill Manufacturing Company, Inc. Removable-key rocker type switch for two circuits
US4359615A (en) * 1981-08-14 1982-11-16 Black & Decker Inc. Switch and means to prevent unauthorized operation thereof
US4767895A (en) * 1987-10-27 1988-08-30 Eaton Corporation Removable key off-lock switch having improved locking actuator
US5239143A (en) * 1988-06-28 1993-08-24 Judco Manufacturing, Inc. Rocker switch operator means
US7750509B2 (en) * 2004-05-10 2010-07-06 Gary Anderson Power tool lockdown device
CA2506878C (en) * 2004-05-10 2011-11-22 Gary Anderson Pneumatic tool lock
CA2506876C (en) * 2004-05-10 2012-11-20 Gary Anderson Power tool lockdown device
TWM264533U (en) * 2004-08-27 2005-05-11 Quanta Comp Inc Mechanical roller gear controller
US20080223012A1 (en) * 2007-03-13 2008-09-18 Black & Decker, Inc. Cordless electric mower fail-safe charge lockout
JP2014229475A (en) * 2013-05-22 2014-12-08 オムロン株式会社 Switch, and method of controlling the same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1076787B (en) * 1957-12-10 1960-03-03 Berker Geb Lockable electrical rocker switch
DE1106391B (en) * 1959-09-26 1961-05-10 Berker Geb Lockable electrical rocker switch

Also Published As

Publication number Publication date
DE2162079C3 (en) 1974-03-28
CA936206A (en) 1973-10-30
DE2162079A1 (en) 1972-06-29
FR2120845A5 (en) 1972-08-18
DE2162079B2 (en) 1973-08-30
DE7147102U (en) 1972-04-20
US3632914A (en) 1972-01-04
GB1338036A (en) 1973-11-21

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