CA936206A - Key operated electrical switch - Google Patents

Key operated electrical switch

Info

Publication number
CA936206A
CA936206A CA128653A CA128653A CA936206A CA 936206 A CA936206 A CA 936206A CA 128653 A CA128653 A CA 128653A CA 128653 A CA128653 A CA 128653A CA 936206 A CA936206 A CA 936206A
Authority
CA
Canada
Prior art keywords
electrical switch
key operated
operated electrical
key
switch
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
CA128653A
Other languages
English (en)
Other versions
CA128653S (en
Inventor
F. Osika Thomas
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.)
McGill Manufacturing Co Inc
Original Assignee
Thomas F Osika
McGill Manufacturing 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 Thomas F Osika, McGill Manufacturing Co Inc filed Critical Thomas F Osika
Application granted granted Critical
Publication of CA936206A publication Critical patent/CA936206A/en
Expired legal-status Critical Current

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
CA128653A 1970-12-28 1971-11-26 Key operated electrical switch Expired CA936206A (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
CA936206A true CA936206A (en) 1973-10-30

Family

ID=22287249

Family Applications (1)

Application Number Title Priority Date Filing Date
CA128653A Expired CA936206A (en) 1970-12-28 1971-11-26 Key operated electrical switch

Country Status (6)

Country Link
US (1) US3632914A (de)
CA (1) CA936206A (de)
DE (2) DE2162079B2 (de)
FR (1) FR2120845A5 (de)
GB (1) GB1338036A (de)
IT (1) IT945270B (de)

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
CA2506878C (en) * 2004-05-10 2011-11-22 Gary Anderson Pneumatic tool lock
US7317263B2 (en) * 2004-05-10 2008-01-08 Gary Anderson Power tool lockdown device
US7750509B2 (en) * 2004-05-10 2010-07-06 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 (ja) * 2013-05-22 2014-12-08 オムロン株式会社 スイッチおよびその制御方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1076787B (de) * 1957-12-10 1960-03-03 Berker Geb Verschliessbarer elektrischer Wippenschalter
DE1106391B (de) * 1959-09-26 1961-05-10 Berker Geb Verschliessbarer elektrischer Wippenschalter

Also Published As

Publication number Publication date
DE2162079C3 (de) 1974-03-28
DE7147102U (de) 1972-04-20
DE2162079B2 (de) 1973-08-30
IT945270B (it) 1973-05-10
US3632914A (en) 1972-01-04
GB1338036A (en) 1973-11-21
DE2162079A1 (de) 1972-06-29
FR2120845A5 (de) 1972-08-18

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