CA938639A - Trip mechanism - Google Patents

Trip mechanism

Info

Publication number
CA938639A
CA938639A CA129426A CA129426A CA938639A CA 938639 A CA938639 A CA 938639A CA 129426 A CA129426 A CA 129426A CA 129426 A CA129426 A CA 129426A CA 938639 A CA938639 A CA 938639A
Authority
CA
Canada
Prior art keywords
trip mechanism
trip
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
CA129426A
Other versions
CA129426S (en
Inventor
W. Puttick Donald
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA938639A publication Critical patent/CA938639A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/32—Electromagnetic mechanisms having permanently magnetised part
    • H01H71/321—Electromagnetic mechanisms having permanently magnetised part characterised by the magnetic circuit or active magnetic elements
    • H01H71/322—Electromagnetic mechanisms having permanently magnetised part characterised by the magnetic circuit or active magnetic elements with plunger type armature

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
CA129426A 1970-12-12 1971-12-06 Trip mechanism Expired CA938639A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5919270 1970-12-12

Publications (1)

Publication Number Publication Date
CA938639A true CA938639A (en) 1973-12-18

Family

ID=10483264

Family Applications (1)

Application Number Title Priority Date Filing Date
CA129426A Expired CA938639A (en) 1970-12-12 1971-12-06 Trip mechanism

Country Status (2)

Country Link
US (1) US3732512A (en)
CA (1) CA938639A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4117431A (en) * 1977-06-13 1978-09-26 General Equipment & Manufacturing Co., Inc. Magnetic proximity device
US4414518A (en) * 1980-10-16 1983-11-08 Abex Corporation Vertical descent rate detector switch
US4726588A (en) * 1986-08-18 1988-02-23 Balls-N-Bars, Inc. Magnetic detent device and puzzle game device
US4745383A (en) * 1987-05-11 1988-05-17 Zovath Peter J Magnetic proximity switch
EP1506558A1 (en) * 2002-05-17 2005-02-16 ABB PATENT GmbH Breaker unit for fault current, excess current and short-circuit current protection
JP4072551B2 (en) * 2005-11-09 2008-04-09 ファナック株式会社 Processing equipment
US20080200092A1 (en) * 2007-02-16 2008-08-21 Chi Yiu Chung Magnetic item and toy comprising the same
US8991210B1 (en) * 2011-08-19 2015-03-31 Cary Stewart, Jr. Revolving jewelry system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3550936A (en) * 1968-05-07 1970-12-29 Donald W Puttick Amusement device including annular magnets slidably disposed on nonmagnetic tube

Also Published As

Publication number Publication date
US3732512A (en) 1973-05-08

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