CA926899A - Electrical limit switch - Google Patents

Electrical limit switch

Info

Publication number
CA926899A
CA926899A CA087407A CA87407A CA926899A CA 926899 A CA926899 A CA 926899A CA 087407 A CA087407 A CA 087407A CA 87407 A CA87407 A CA 87407A CA 926899 A CA926899 A CA 926899A
Authority
CA
Canada
Prior art keywords
limit switch
electrical limit
electrical
switch
limit
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
CA087407A
Inventor
L. Dietrich Walter
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.)
Arrow Hart Inc
Original Assignee
Arrow Hart 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 Arrow Hart Inc filed Critical Arrow Hart Inc
Priority to CA146754A priority Critical patent/CA927885A/en
Application granted granted Critical
Publication of CA926899A publication Critical patent/CA926899A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H15/00—Switches having rectilinearly-movable operating part or parts adapted for actuation in opposite directions, e.g. slide switch
    • H01H15/02—Details
    • H01H15/06—Movable parts; Contacts mounted thereon
    • H01H15/10—Operating parts
    • H01H15/102—Operating parts comprising cam devices
    • H01H15/107—Operating parts comprising cam devices actuating conventional selfcontained microswitches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/02—Details
    • H01H21/18—Movable parts; Contacts mounted thereon
    • H01H21/22—Operating parts, e.g. handle
    • H01H21/24—Operating parts, e.g. handle biased to return to normal position upon removal of operating force
    • H01H21/28—Operating parts, e.g. handle biased to return to normal position upon removal of operating force adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift
    • H01H21/285—Operating parts, e.g. handle biased to return to normal position upon removal of operating force adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift having an operating arm actuated by the movement of the body and mounted on an axis converting its rotating movement into a rectilinear switch activating movement
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/0006—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches
    • H01H11/0018—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches for allowing different operating parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/26—Snap-action arrangements depending upon deformation of elastic members
    • H01H13/36—Snap-action arrangements depending upon deformation of elastic members using flexing of blade springs
    • H01H13/365—Snap-action arrangements depending upon deformation of elastic members using flexing of blade springs having a symmetrical configuration
CA087407A 1969-07-30 1970-07-06 Electrical limit switch Expired CA926899A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA146754A CA927885A (en) 1969-07-30 1972-07-10 Electrical limit switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US84600269A 1969-07-30 1969-07-30

Publications (1)

Publication Number Publication Date
CA926899A true CA926899A (en) 1973-05-22

Family

ID=25296667

Family Applications (1)

Application Number Title Priority Date Filing Date
CA087407A Expired CA926899A (en) 1969-07-30 1970-07-06 Electrical limit switch

Country Status (3)

Country Link
US (1) US3649785A (en)
CA (1) CA926899A (en)
GB (2) GB1309460A (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3749860A (en) * 1971-12-30 1973-07-31 Allen Bradley Co Sealed limit switch
US3789177A (en) * 1972-05-26 1974-01-29 Gen Electric Actuating mechanism for a limit switch having elongated pivotally mounted actuating member
US3867598A (en) * 1973-10-09 1975-02-18 Westinghouse Electric Corp Control switch
US3983343A (en) * 1975-06-25 1976-09-28 Cutler-Hammer, Inc. Limit switch operating shaft return spring damping device
JPS5340870A (en) * 1976-09-27 1978-04-13 Matsushita Electric Works Ltd Electric switch
CA1236506A (en) * 1983-01-12 1988-05-10 Norio Iwakiri Limit switch assembly
US4746772A (en) * 1986-09-23 1988-05-24 Fisher Controls International, Inc. Adjustable position indicating apparatus
US4847453A (en) * 1987-11-03 1989-07-11 Square D Company Limit switch with actuator
IT1248935B (en) * 1990-06-04 1995-02-11 Sin Cros M D S R L MOBILE CONTACT STRUCTURE, IMPLEMENTED THROUGH A WHEEL, PARTICULARLY DESIGNED FOR ENDOTHERMAL ENGINE SPINTEROGENES
JPH04349316A (en) * 1991-05-24 1992-12-03 Matsushita Electric Ind Co Ltd Waterproof switch for electronic equipment
CN102956393A (en) * 2011-08-24 2013-03-06 欧姆龙株式会社 Switching device
EA020431B1 (en) * 2011-11-09 2014-11-28 Елена Евгеньевна Кашичкина Limit switch
FR3011672B1 (en) * 2013-10-04 2018-09-28 Schneider Electric Industries Sas POSITION SWITCH
JP6316075B2 (en) * 2014-04-15 2018-04-25 アズビル株式会社 Limit switch
EP2966287B1 (en) * 2014-07-07 2019-08-28 Goodrich Actuation Systems Ltd. Pressure switch for thrust reverser control
US9679733B2 (en) * 2014-10-02 2017-06-13 Cooper Technologies Company Actuation system for an electrical switching device
US11482389B2 (en) 2018-07-26 2022-10-25 Eaton Intelligent Power Limited Neutral position limit switch head design with part reduction and improved reliability

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US430054A (en) * 1890-06-10 Johan m
US2328266A (en) * 1941-10-28 1943-08-31 Bliss E W Co Operating mechanism for switches
US2390365A (en) * 1943-01-02 1945-12-04 Gen Electric Electric switch
US2752448A (en) * 1951-04-27 1956-06-26 Westinghouse Electric Corp Switching equipment for compressed air circuit breakers
US3055226A (en) * 1959-10-08 1962-09-25 Square D Co Overtravel and snap-back control device for limit switch arms
US3252345A (en) * 1963-08-02 1966-05-24 Robertshaw Controls Co Actuating mechanism and parts therefor or the like
US3244015A (en) * 1964-07-10 1966-04-05 Square D Co Switch operating mechanism
US3317687A (en) * 1965-04-28 1967-05-02 Allen Bradley Co Manually resettable switch actuator
US3414693A (en) * 1966-04-29 1968-12-03 Tomkins Johnson Co Cylinder head limit switch assembly
US3546954A (en) * 1966-07-22 1970-12-15 Buchanan Electrical Prod Corp Device for actuating a limit control element
US3412223A (en) * 1966-08-01 1968-11-19 Charles A. Schad Pressure switch
US3517141A (en) * 1967-11-13 1970-06-23 Avis Ind Corp Limit switch
US3539738A (en) * 1968-11-12 1970-11-10 Gen Electric Miniature industrial limit switch

Also Published As

Publication number Publication date
GB1309459A (en) 1973-03-14
GB1309460A (en) 1973-03-14
US3649785A (en) 1972-03-14

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