GB1258127A - - Google Patents

Info

Publication number
GB1258127A
GB1258127A GB1258127DA GB1258127A GB 1258127 A GB1258127 A GB 1258127A GB 1258127D A GB1258127D A GB 1258127DA GB 1258127 A GB1258127 A GB 1258127A
Authority
GB
United Kingdom
Prior art keywords
button
contact
push
contacts
lever
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
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 filed Critical
Publication of GB1258127A publication Critical patent/GB1258127A/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
    • H01H71/46—Automatic release mechanisms with or without manual release having means for operating auxiliary contacts additional to the main contacts
    • 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

Abstract

1,258,127. Automatic circuit breakers. GOERZ ELECTRO G.m.b.H. 31 March, 1969, No. 16862/69. Heading H1N. An automatic circuit breaker suitable for use with a measuring instrument has a push-button operating member 15 which when depressed closes main contacts 6, 7 and when released closes auxiliary contacts 26, 27 in series with the main contacts, such that the circuit cannot be kept closed by holding down the push-button, and is provided with a pivotal latching member 19 which locks the push-button while the auxiliary contacts are closed, such that the auxiliary contacts cannot be reopened by pushing the button. The push-button 15 has a stem 14 carrying a pin 13 which co-operates with a slot 12 in a lever 11 pivoted to a frame 1. Depression of the button turns lever 11 anticlockwise, its tip pushing a contact lever 8 overcentre of a tension spring 10 to engage contact 6 and drive it together with an armature 3 towards a retaining electromagnet 2. When an overload occurs the electromagnet 2 is de-energized releasing contact 6 which pushes contact 7 overcentre to open the main contacts. Contact 7 strikes member 19 pivoting it against a spring 29 to release its latching engagement with slot 17 in the stem 14 and moving its end 23 away from contact 26 to allow the auxiliary contacts to open.
GB1258127D 1968-03-04 1969-03-31 Expired GB1258127A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT207068A AT281961B (en) 1968-03-04 1968-03-04 Schultzchalter

Publications (1)

Publication Number Publication Date
GB1258127A true GB1258127A (en) 1971-12-22

Family

ID=3527126

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1258127D Expired GB1258127A (en) 1968-03-04 1969-03-31

Country Status (3)

Country Link
AT (1) AT281961B (en)
FR (1) FR2038712A5 (en)
GB (1) GB1258127A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2120851A (en) * 1982-03-31 1983-12-07 Nippon Mektron Kk Electrical switch keyboard
GB2151406A (en) * 1983-12-08 1985-07-17 Ashley Accessories Ltd Electrical accessories

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2120851A (en) * 1982-03-31 1983-12-07 Nippon Mektron Kk Electrical switch keyboard
GB2151406A (en) * 1983-12-08 1985-07-17 Ashley Accessories Ltd Electrical accessories

Also Published As

Publication number Publication date
FR2038712A5 (en) 1971-01-08
DE1910503B2 (en) 1977-06-23
DE1910503A1 (en) 1969-09-25
AT281961B (en) 1970-06-10

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee