GB1223481A - Thermally-tripped switch - Google Patents

Thermally-tripped switch

Info

Publication number
GB1223481A
GB1223481A GB504568A GB504568A GB1223481A GB 1223481 A GB1223481 A GB 1223481A GB 504568 A GB504568 A GB 504568A GB 504568 A GB504568 A GB 504568A GB 1223481 A GB1223481 A GB 1223481A
Authority
GB
United Kingdom
Prior art keywords
resetting
locking member
manual
jan
switch
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
GB504568A
Inventor
Donald Bruce Wells
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.)
Gemalto Terminals Ltd
Original Assignee
Solartron Electronic Group 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 Solartron Electronic Group Ltd filed Critical Solartron Electronic Group Ltd
Priority to GB504568A priority Critical patent/GB1223481A/en
Publication of GB1223481A publication Critical patent/GB1223481A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00Thermally-actuated switches
    • H01H37/02Details
    • H01H37/32Thermally-sensitive members
    • H01H37/52Thermally-sensitive members actuated due to deflection of bimetallic element
    • H01H37/54Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting
    • H01H37/5409Bistable switches; Resetting means

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Thermally Actuated Switches (AREA)

Abstract

1,223,481. Thermal switches. SOLARTRON ELECTRONIC GROUP Ltd. 30 Jan., 1969 [31 Jan., 1968], No. 5045/68. Heading HlN. In a thermal switch of the type in which contact carrying tongue 19, Fig. 1, of a bimetal member 13 is latched up to prevent reclosure of the contacts by a resilient locking member 21 the end 20 of the tongue is rounded or ramped whereby, on manual resetting, when the locking member 21 is partially withdrawn by resetting member 27 the ramped end 20 completes the displacement of the locking member 21 as the arm 19 snaps back to the contacts closed portion. The resetting member 27 moulded from elastomeric material is pivoted at 23 to the body 11 of the switch and has an integral resilient limb 25 engaging the body to act as a retractive spring for the manual actuating system. An abutment surface 29 is provided in the member 27 for engagement by a push rod on axis 30, a projection 32 on the member 27 engaging a bent end 33 of the resilient locking member 21 during resetting. Modifications are referred to in which a ball and socket joint is provided at the abutment surface 29 for connection to the manual actuator. Specification 1,036,127 is referred to. Reference has been directed by the Comptroller to Specification 1,036,127.
GB504568A 1968-01-31 1968-01-31 Thermally-tripped switch Expired GB1223481A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB504568A GB1223481A (en) 1968-01-31 1968-01-31 Thermally-tripped switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB504568A GB1223481A (en) 1968-01-31 1968-01-31 Thermally-tripped switch

Publications (1)

Publication Number Publication Date
GB1223481A true GB1223481A (en) 1971-02-24

Family

ID=9788708

Family Applications (1)

Application Number Title Priority Date Filing Date
GB504568A Expired GB1223481A (en) 1968-01-31 1968-01-31 Thermally-tripped switch

Country Status (1)

Country Link
GB (1) GB1223481A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2466846A1 (en) * 1979-10-05 1981-04-10 Otter Controls Ltd Snap-action, spring-locking switch - has one spring end locking against retaining upright of U=shaped spring
FR2517108A1 (en) * 1981-11-26 1983-05-27 Otter Controls Ltd SWITCH CHARACTERIZED BY ITS LOCKING AND ACTUATING DEVICES
GB2128409A (en) * 1982-09-27 1984-04-26 Otter Controls Ltd Manually releasable latching members

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2466846A1 (en) * 1979-10-05 1981-04-10 Otter Controls Ltd Snap-action, spring-locking switch - has one spring end locking against retaining upright of U=shaped spring
FR2517108A1 (en) * 1981-11-26 1983-05-27 Otter Controls Ltd SWITCH CHARACTERIZED BY ITS LOCKING AND ACTUATING DEVICES
GB2128409A (en) * 1982-09-27 1984-04-26 Otter Controls Ltd Manually releasable latching members

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