GB686741A - Improvements in handle-operated electric motor starting switches - Google Patents

Improvements in handle-operated electric motor starting switches

Info

Publication number
GB686741A
GB686741A GB26516/51A GB2651651A GB686741A GB 686741 A GB686741 A GB 686741A GB 26516/51 A GB26516/51 A GB 26516/51A GB 2651651 A GB2651651 A GB 2651651A GB 686741 A GB686741 A GB 686741A
Authority
GB
United Kingdom
Prior art keywords
handle
plate
switch
ribs
secured
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
GB26516/51A
Other languages
English (en)
Inventor
Siegfried Alter
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.)
JA Crabtree and Co Ltd
Original Assignee
JA Crabtree and Co Ltd
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 JA Crabtree and Co Ltd filed Critical JA Crabtree and Co Ltd
Publication of GB686741A publication Critical patent/GB686741A/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
    • H01H71/14—Electrothermal mechanisms
    • H01H71/16—Electrothermal mechanisms with bimetal element
    • 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
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/58—Manual reset mechanisms which may be also used for manual release actuated by push-button, pull-knob, or slide
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
    • H01H73/22—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electrothermal release and no other automatic release
    • H01H73/30—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electrothermal release and no other automatic release reset by push-button, pull-knob or slide
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
    • H05K3/06—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed chemically or electrolytically, e.g. by photo-etch process

Landscapes

  • Breakers (AREA)
  • Coloring (AREA)
  • Switch Cases, Indication, And Locking (AREA)
GB26516/51A 1950-03-02 1950-03-02 Improvements in handle-operated electric motor starting switches Expired GB686741A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB288262X 1950-03-02

Publications (1)

Publication Number Publication Date
GB686741A true GB686741A (en) 1953-01-28

Family

ID=10281762

Family Applications (4)

Application Number Title Priority Date Filing Date
GB5266/50A Expired GB686688A (en) 1950-03-02 1950-03-02 Improvements in handle-operated electric motor starting switches
GB25543/51A Expired GB686739A (en) 1950-03-02 1950-03-02 Improvements in handle-operated electric motor starting switches
GB25544/51A Expired GB686740A (en) 1950-03-02 1950-03-02 Improvements in overload release elements for electric switches
GB26516/51A Expired GB686741A (en) 1950-03-02 1950-03-02 Improvements in handle-operated electric motor starting switches

Family Applications Before (3)

Application Number Title Priority Date Filing Date
GB5266/50A Expired GB686688A (en) 1950-03-02 1950-03-02 Improvements in handle-operated electric motor starting switches
GB25543/51A Expired GB686739A (en) 1950-03-02 1950-03-02 Improvements in handle-operated electric motor starting switches
GB25544/51A Expired GB686740A (en) 1950-03-02 1950-03-02 Improvements in overload release elements for electric switches

Country Status (6)

Country Link
US (1) US2674672A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE498766A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH288262A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE854682C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR1026980A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (4) GB686688A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB745744A (en) * 1953-02-26 1956-02-29 Crabtree & Co Ltd J A Improvements in and connected with electric switches or circuit breakers
US2720565A (en) * 1954-01-06 1955-10-11 Vickers Electrical Co Ltd Electrical protective switch
US2872548A (en) * 1955-12-01 1959-02-03 Fed Pacific Electric Co Motor starters
DE1140635B (de) * 1959-10-24 1962-12-06 Ellenberger & Poensgen Mehrpoliger Motorschutzschalter
ZA698654B (en) * 1969-12-12 1971-05-27 Fuchs Electrical Ind Ltd Improvements in or relating to overload protection for electric motors
US5244942A (en) * 1987-12-19 1993-09-14 Huels Troisdorf Ag Homogenous, particularly multicolor-structured synthetic resin sheet or panel, as well as process for its production

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1980487A (en) * 1933-03-24 1934-11-13 Jr David S Klauder Inclination gauge
US2342945A (en) * 1942-09-07 1944-02-29 Cutler Hammer Inc Circuit breaker
US2482009A (en) * 1944-06-02 1949-09-13 Line Material Co Switch construction
US2496072A (en) * 1947-05-27 1950-01-31 Chase Shawmut Co Circuit breaker

Also Published As

Publication number Publication date
FR1026980A (fr) 1953-05-06
GB686739A (en) 1953-01-28
GB686688A (en) 1953-01-28
DE854682C (de) 1952-11-06
GB686740A (en) 1953-01-28
CH288262A (fr) 1953-01-15
US2674672A (en) 1954-04-06
BE498766A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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