CA671520A - Electrical interlock - Google Patents

Electrical interlock

Info

Publication number
CA671520A
CA671520A CA671520A CA671520DA CA671520A CA 671520 A CA671520 A CA 671520A CA 671520 A CA671520 A CA 671520A CA 671520D A CA671520D A CA 671520DA CA 671520 A CA671520 A CA 671520A
Authority
CA
Canada
Prior art keywords
electrical interlock
interlock
electrical
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
CA671520A
Inventor
C. Wells Bruce
D. Armstrong 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.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
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.)
Publication date
Application granted granted Critical
Publication of CA671520A publication Critical patent/CA671520A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/20—Bridging contacts
    • 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
    • H01H11/0012—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches for converting normally open to normally closed switches and vice versa
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/44—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
    • H01H9/443—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet using permanent magnets

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
CA671520A 1959-08-07 Electrical interlock Expired CA671520A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CA671520T
US832220A US3064104A (en) 1959-08-07 1959-08-07 Electrical interlock
JP4962460U JPS3621007Y1 (en) 1959-08-07 1960-09-30

Publications (1)

Publication Number Publication Date
CA671520A true CA671520A (en) 1963-10-01

Family

ID=72234600

Family Applications (1)

Application Number Title Priority Date Filing Date
CA671520A Expired CA671520A (en) 1959-08-07 Electrical interlock

Country Status (3)

Country Link
US (1) US3064104A (en)
JP (1) JPS3621007Y1 (en)
CA (1) CA671520A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3436497A (en) * 1967-08-31 1969-04-01 Cutler Hammer Inc Electrical switch having a lost motion operator assembly

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3630000A (en) * 1969-11-28 1971-12-28 Gen Electric Electrostatic air cleaner
GB1518312A (en) * 1974-07-31 1978-07-19 Siemens Ag Compression spring assembly
FR2325170A2 (en) * 1975-09-16 1977-04-15 Merlin Gerin Electric switch for AC - has cylindrical contacts, permanent magnet blow-out and semi-conductor circuit shunt
FR2618251B1 (en) * 1987-06-25 1989-11-17 Merlin Gerin ROTARY SWITCH WITH MIGRATION CURVE TRACK OF AN ARC ROOT.
JP2658170B2 (en) * 1988-05-11 1997-09-30 オムロン株式会社 Switch
US5680084A (en) * 1994-11-28 1997-10-21 Matsushita Electric Works, Ltd. Sealed contact device and operating mechanism
EP0736887B1 (en) * 1995-03-30 2002-05-29 Tyco Electronics Corporation Electrical contact assembly
US5834723A (en) * 1997-06-02 1998-11-10 Allen Bradley Company, Llc Apparatus for retaining a movable contact in a circuit interrupter
JP5986419B2 (en) * 2012-04-13 2016-09-06 富士電機株式会社 Contact device and electromagnetic switch using the same

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US752552A (en) * 1904-02-16 Automatic circuit-breaker
US2153401A (en) * 1937-09-29 1939-04-04 Gen Electric Electric switch
US2337949A (en) * 1942-05-29 1943-12-28 Gen Electric Circuit breaker
US2629035A (en) * 1948-02-12 1953-02-17 Post Glover Electric Company Magnetic blowout construction and shield
US2571951A (en) * 1949-09-09 1951-10-16 Westinghouse Electric Corp Electrical apparatus
US2822450A (en) * 1955-05-20 1958-02-04 Square D Co Electric switch
US2846528A (en) * 1956-07-02 1958-08-05 Fed Pacific Electric Co Selective switches
US2896043A (en) * 1957-02-11 1959-07-21 Stackpole Carbon Co Electric switch formed from magnets

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3436497A (en) * 1967-08-31 1969-04-01 Cutler Hammer Inc Electrical switch having a lost motion operator assembly

Also Published As

Publication number Publication date
JPS3621007Y1 (en) 1961-08-15
US3064104A (en) 1962-11-13

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