CA976588A - Sealed limit switch - Google Patents

Sealed limit switch

Info

Publication number
CA976588A
CA976588A CA147,442A CA147442A CA976588A CA 976588 A CA976588 A CA 976588A CA 147442 A CA147442 A CA 147442A CA 976588 A CA976588 A CA 976588A
Authority
CA
Canada
Prior art keywords
limit switch
sealed limit
sealed
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
CA147,442A
Other versions
CA147442S (en
Inventor
Robert G. Crepeau
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.)
Allen Bradley Co LLC
Original Assignee
Allen Bradley Co LLC
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 Allen Bradley Co LLC filed Critical Allen Bradley Co LLC
Application granted granted Critical
Publication of CA976588A publication Critical patent/CA976588A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
CA147,442A 1971-12-30 1972-07-19 Sealed limit switch Expired CA976588A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21393671A 1971-12-30 1971-12-30

Publications (1)

Publication Number Publication Date
CA976588A true CA976588A (en) 1975-10-21

Family

ID=22797105

Family Applications (1)

Application Number Title Priority Date Filing Date
CA147,442A Expired CA976588A (en) 1971-12-30 1972-07-19 Sealed limit switch

Country Status (2)

Country Link
US (1) US3749860A (en)
CA (1) CA976588A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104025232A (en) * 2012-01-13 2014-09-03 欧姆龙株式会社 Limit Switch And Method For Producing Same

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3959614A (en) * 1974-10-07 1976-05-25 Allen-Bradley Company Limit switch rotary return mechanism
JPS5824887B2 (en) * 1978-03-31 1983-05-24 オムロン株式会社 limit switch
JPS57162219A (en) * 1981-03-30 1982-10-06 Omron Tateisi Electronics Co Holding type sealed switch
ATE140338T1 (en) * 1989-03-28 1996-07-15 Omron Tateisi Electronics Co LIMIT SWITCH
JP3036052B2 (en) * 1990-11-01 2000-04-24 オムロン株式会社 Limit Switch
DE19844827C2 (en) * 1998-09-30 2002-03-28 Moeller Gmbh Electrical safety switch
JP6866864B2 (en) * 2018-03-14 2021-04-28 オムロン株式会社 Limit switch
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 (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3252345A (en) * 1963-08-02 1966-05-24 Robertshaw Controls Co Actuating mechanism and parts therefor or the like
US3317687A (en) * 1965-04-28 1967-05-02 Allen Bradley Co Manually resettable switch actuator
US3512422A (en) * 1968-05-31 1970-05-19 Alkon Products Corp Rotary actuator
US3649785A (en) * 1969-07-30 1972-03-14 Arrow Hart Inc Electrical limit switch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104025232A (en) * 2012-01-13 2014-09-03 欧姆龙株式会社 Limit Switch And Method For Producing Same
CN104025232B (en) * 2012-01-13 2016-06-08 欧姆龙株式会社 Limit switch and manufacture method thereof

Also Published As

Publication number Publication date
US3749860A (en) 1973-07-31

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