CA2012478A1 - Electrical switching device - Google Patents

Electrical switching device

Info

Publication number
CA2012478A1
CA2012478A1 CA 2012478 CA2012478A CA2012478A1 CA 2012478 A1 CA2012478 A1 CA 2012478A1 CA 2012478 CA2012478 CA 2012478 CA 2012478 A CA2012478 A CA 2012478A CA 2012478 A1 CA2012478 A1 CA 2012478A1
Authority
CA
Canada
Prior art keywords
casing
blade
push
button
arms
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.)
Granted
Application number
CA 2012478
Other languages
French (fr)
Other versions
CA2012478C (en
Inventor
Guy Leclerc
Serge Bernier
Philippe Lalande
Nevenka Prijic
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.)
Honeywell Ltd Canada
Original Assignee
Honeywell Amplitrol Inc
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 Honeywell Amplitrol Inc filed Critical Honeywell Amplitrol Inc
Priority to CA 2012478 priority Critical patent/CA2012478C/en
Publication of CA2012478A1 publication Critical patent/CA2012478A1/en
Application granted granted Critical
Publication of CA2012478C publication Critical patent/CA2012478C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch

Landscapes

  • Burglar Alarm Systems (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Switches With Compound Operations (AREA)

Abstract

ABSTRACT OF THE DISCLOSURE

An electrical switching device is disclosed, which is particularly well adapted for use in a hold-up alarm system.
The device comprises a casing having a longitudinal axis and two lateral openings symmetrically positioned with respect to the longitudinal axis and a push-button switch centrally mounted inside the casing, and having an actuating push-button coaxial to the casing. The push-button switch is connected in series with an electrical circuit so that this circuit is switched on or off when the button is pressed.
The device also comprises a flexible blade extending transversally inside the casing, the blade having a central portion adjacent to the push button and two opposite ends;
and manually operable device for squeezing the blade in such a manner as to cause it to bend and press onto the push button to activate the switch. The squeezing device includes a pair of actuating arms symmetrically mounted inside the casing, each of the arms extending across one of the lateral openings and having at least one portion that is movable inwards the casing to press against one of the ends of the blade whenever a pressure is exerted through one of the openings. The blade and arms are so dimensioned and positioned as to cause the blade to bend sufficiently to activate the push-button switch only when both of these arms are pushed in simultaneously.
CA 2012478 1990-03-19 1990-03-19 Electrical switching device Expired - Lifetime CA2012478C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2012478 CA2012478C (en) 1990-03-19 1990-03-19 Electrical switching device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2012478 CA2012478C (en) 1990-03-19 1990-03-19 Electrical switching device

Publications (2)

Publication Number Publication Date
CA2012478A1 true CA2012478A1 (en) 1991-09-19
CA2012478C CA2012478C (en) 1993-12-14

Family

ID=4144548

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2012478 Expired - Lifetime CA2012478C (en) 1990-03-19 1990-03-19 Electrical switching device

Country Status (1)

Country Link
CA (1) CA2012478C (en)

Also Published As

Publication number Publication date
CA2012478C (en) 1993-12-14

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed
MKEC Expiry (correction)

Effective date: 20121202