GB980784A - Release members for switches - Google Patents

Release members for switches

Info

Publication number
GB980784A
GB980784A GB3248762A GB3248762A GB980784A GB 980784 A GB980784 A GB 980784A GB 3248762 A GB3248762 A GB 3248762A GB 3248762 A GB3248762 A GB 3248762A GB 980784 A GB980784 A GB 980784A
Authority
GB
United Kingdom
Prior art keywords
slot
switch lever
web
pivoted
lug
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
GB3248762A
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.)
Landis and Gyr AG
Original Assignee
Landis and Gyr AG
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 Landis and Gyr AG filed Critical Landis and Gyr AG
Publication of GB980784A publication Critical patent/GB980784A/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
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/505—Latching devices between operating and release mechanism
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
    • H01H3/3031—Means for locking the spring in a charged state
    • 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
    • H01H71/505—Latching devices between operating and release mechanism
    • H01H2071/508—Latching devices between operating and release mechanism with serial latches, e.g. primary latch latched by secondary latch for requiring a smaller trip force

Abstract

980,784. Releasable fastenings. LANDIS & GYR A.G. Aug. 23, 1962 [June 18, 1962], No. 32487/62. Heading E2A. [Also in Division H2] In a pivotal release member 1 for a biased switch lever 10 having two lateral bearing arms 2, 3 and between them a contact surface 11 for the switch lever, from which surface the switch lever 10 is designed to slide off from a detent into a release position when the released member is pivoted in one sense the central portion containing the contact surface is made of laminar resilient material and forms a unified member with the two bearing arms. As shown, the surface 11 is formed by one side of a rectangle 12 which is stamped out of a lug 13 of the member 1, the lug terminating in a web 14 which bears against a rotary control disc 16 having a radial slot 15. A spring tongue 17 bears in a slot 18 in a frame 6 in which the release member is pivoted. When the disc 16 has turned far enough in one direction, the web 14 drops into slot 15 and the switch lever is released from the surface 11 to perform a switching operation and to abut a stop (not shown) and to also bear on a surface 22 of the tongue 17 whereby the web is abruptly lifted from the slot and the disc 16 freed from rotation to a position in which the slot 15 is no longer aligned with web 14. The switch lever 10 may then be pivoted back to the position shown by a spring-loaded knob (not shown). In another arrangement, Figs. 3 and 4 (not shown) the surface 11 is provided by a lug projecting into the rectangle 12. In other arrangements Figs. 5-11 (not shown), the bearing arms are formed respectively with cylindrical, cruciform and flat bearing supports. The release member may be made of spring steel or plastics material.
GB3248762A 1962-06-18 1962-08-23 Release members for switches Expired GB980784A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH729862A CH395245A (en) 1962-06-18 1962-06-18 Release element for releasing a switching lever under spring force

Publications (1)

Publication Number Publication Date
GB980784A true GB980784A (en) 1965-01-20

Family

ID=4322936

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3248762A Expired GB980784A (en) 1962-06-18 1962-08-23 Release members for switches

Country Status (2)

Country Link
CH (1) CH395245A (en)
GB (1) GB980784A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6586693B2 (en) * 2000-03-17 2003-07-01 General Electric Company Self compensating latch arrangement

Also Published As

Publication number Publication date
CH395245A (en) 1965-07-15

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