GB626995A - Snap-action electric switch - Google Patents

Snap-action electric switch

Info

Publication number
GB626995A
GB626995A GB677947A GB677947A GB626995A GB 626995 A GB626995 A GB 626995A GB 677947 A GB677947 A GB 677947A GB 677947 A GB677947 A GB 677947A GB 626995 A GB626995 A GB 626995A
Authority
GB
United Kingdom
Prior art keywords
switch
snap
blade
action
switches
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
GB677947A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB677947A priority Critical patent/GB626995A/en
Publication of GB626995A publication Critical patent/GB626995A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
    • H01H5/04—Energy stored by deformation of elastic members
    • H01H5/18—Energy stored by deformation of elastic members by flexing of blade springs

Landscapes

  • Mechanisms For Operating Contacts (AREA)
  • Push-Button Switches (AREA)

Abstract

626,995. Snap-action switches; pressbutton retractive switches; switches held set and freed mechanically. SMITH, E. S. March 11, 1947, No. 6779. [Class 38(v)] A snap-action switch comprises a pair of resilient contact blades 1, 10 the blade 10 being slotted to form a trifurcated snap-action spring having its middle compression leg 11 pivoted on an extension 14a of the terminal bar 14. A backstop 7 with an adjusting screw 8 for the snap-action blade is mounted on an insulating bar 5 fixed to the other blade 1, whereby movement of the latter in either direction also moves the blade 10 to a point where it snaps over dead-centre to open or close the contacts. The switch may be constructed as a normally open or normally closed switch, or one which remains in either position by adjusting the initial set of the blade 1. The switch may be operated through a cam follower 6; alternatively (Fig. 7 not shown) the switch frame may carry push-buttons to engage the insulating strip to open and close the switch.
GB677947A 1947-03-11 1947-03-11 Snap-action electric switch Expired GB626995A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB677947A GB626995A (en) 1947-03-11 1947-03-11 Snap-action electric switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB677947A GB626995A (en) 1947-03-11 1947-03-11 Snap-action electric switch

Publications (1)

Publication Number Publication Date
GB626995A true GB626995A (en) 1949-07-25

Family

ID=9820582

Family Applications (1)

Application Number Title Priority Date Filing Date
GB677947A Expired GB626995A (en) 1947-03-11 1947-03-11 Snap-action electric switch

Country Status (1)

Country Link
GB (1) GB626995A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1085594B (en) * 1954-10-22 1960-07-21 Eberle & Koehler K G Temperature dependent electrical switch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1085594B (en) * 1954-10-22 1960-07-21 Eberle & Koehler K G Temperature dependent electrical switch

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