FR2407561A1 - Electrical switch assembly with cover plate with appropriate apertures - has key for each switch with follower springs and contact arrangement giving optimum pressure distribution - Google Patents

Electrical switch assembly with cover plate with appropriate apertures - has key for each switch with follower springs and contact arrangement giving optimum pressure distribution

Info

Publication number
FR2407561A1
FR2407561A1 FR7825801A FR7825801A FR2407561A1 FR 2407561 A1 FR2407561 A1 FR 2407561A1 FR 7825801 A FR7825801 A FR 7825801A FR 7825801 A FR7825801 A FR 7825801A FR 2407561 A1 FR2407561 A1 FR 2407561A1
Authority
FR
France
Prior art keywords
key
switch
follower
cover plate
pressure distribution
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.)
Withdrawn
Application number
FR7825801A
Other languages
French (fr)
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.)
TELARIS TELECOMMUNICATIONS Inc
Original Assignee
TELARIS TELECOMMUNICATIONS 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
Priority claimed from US05/844,598 external-priority patent/US4156802A/en
Application filed by TELARIS TELECOMMUNICATIONS Inc filed Critical TELARIS TELECOMMUNICATIONS Inc
Publication of FR2407561A1 publication Critical patent/FR2407561A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/78—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by the contacts or the contact sites
    • H01H13/80—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by the contacts or the contact sites characterised by the manner of cooperation of the contacts, e.g. with both contacts movable or with bounceless contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/12—Movable parts; Contacts mounted thereon
    • H01H13/14—Operating parts, e.g. push-button
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
    • H01H13/52—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state immediately upon removal of operating force, e.g. bell-push switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2201/00—Contacts
    • H01H2201/002—Contacts bounceless
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2203/00—Form of contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2203/00—Form of contacts
    • H01H2203/02—Interspersed fingers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2203/00—Form of contacts
    • H01H2203/036—Form of contacts to solve particular problems
    • H01H2203/054—Form of contacts to solve particular problems for redundancy, e.g. several contact pairs in parallel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2215/00—Tactile feedback
    • H01H2215/004—Collapsible dome or bubble
    • H01H2215/006—Only mechanical function
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2217/00—Facilitation of operation; Human engineering
    • H01H2217/008—Pretravel to avoid inadvertent switching
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2217/00—Facilitation of operation; Human engineering
    • H01H2217/01—Off centre actuation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/024—Transmission element
    • H01H2221/026—Guiding or lubricating nylon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/024—Transmission element
    • H01H2221/026—Guiding or lubricating nylon
    • H01H2221/028—Telescopic guiding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/024—Transmission element
    • H01H2221/03—Stoppers for on or off position
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/05—Force concentrator; Actuating dimple
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/064—Limitation of actuating pressure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2227/00—Dimensions; Characteristics
    • H01H2227/028—Key stroke
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2227/00—Dimensions; Characteristics
    • H01H2227/032—Operating force
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2231/00—Applications
    • H01H2231/022—Telephone handset
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2233/00—Key modules
    • H01H2233/01—Key modules mounted on laykey
    • H01H2233/02—Key modules mounted on laykey captured between assembled parts of support
    • H01H2233/022—Key modules mounted on laykey captured between assembled parts of support with limited freedom
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2233/00—Key modules
    • H01H2233/09—Actuating striker on actuator part
    • H01H2233/098—One degree of freedom
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2233/00—Key modules
    • H01H2233/09—Actuating striker on actuator part
    • H01H2233/10—Actuating striker on actuator part captured between assembled parts of support
    • H01H2233/102—Actuating striker on actuator part captured between assembled parts of support with limited freedom
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2235/00—Springs
    • H01H2235/002—Linear coil spring combined with dome spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2235/00—Springs
    • H01H2235/004—Two parallel coil springs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2235/00—Springs
    • H01H2235/018—Spring seat

Landscapes

  • Push-Button Switches (AREA)

Abstract

The inexpensive electrical switch contact assembly has excellent human factors considerations and includes an electrical contact assembly having several switch positions, a cover plate disposed adjacent the switch contact assembly with an aperture for each switch position, and at each switch position an apertured key. A follower is disposed within the key aperture, a cap containing the follower within the key aperture and key and follower springs biasing the key and follower respectively to provide separate and independent control over key actuation and switch contact closure forces. A contact engagement post of the follower may be accurately positioned above a switch contact.
FR7825801A 1977-10-25 1978-09-07 Electrical switch assembly with cover plate with appropriate apertures - has key for each switch with follower springs and contact arrangement giving optimum pressure distribution Withdrawn FR2407561A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/844,598 US4156802A (en) 1977-06-10 1977-10-25 Electrical switch assembly

Publications (1)

Publication Number Publication Date
FR2407561A1 true FR2407561A1 (en) 1979-05-25

Family

ID=25293169

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7825801A Withdrawn FR2407561A1 (en) 1977-10-25 1978-09-07 Electrical switch assembly with cover plate with appropriate apertures - has key for each switch with follower springs and contact arrangement giving optimum pressure distribution

Country Status (1)

Country Link
FR (1) FR2407561A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2463974A1 (en) * 1979-08-17 1981-02-27 Landis Gyr Vandal proof telephone pushbutton keyboard - has pushbutton inner portion telescoping into outer portion to limit pressure applied to switch contacts
FR2475288A1 (en) * 1980-02-04 1981-08-07 Rogers Corp CONTACTS ASSEMBLY AND KEYBOARD COMPRISING THE SAME
FR2504721A1 (en) * 1981-04-22 1982-10-29 Telecomm El Aeronaut Maritime DEVICE FORMING KEYBOARD PANEL AND / OR INDIVIDUAL KEYS OR PUSH BUTTONS
EP0064615A2 (en) * 1981-05-07 1982-11-17 International Standard Electric Corporation Telephone equipment with selection keyboard

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2463974A1 (en) * 1979-08-17 1981-02-27 Landis Gyr Vandal proof telephone pushbutton keyboard - has pushbutton inner portion telescoping into outer portion to limit pressure applied to switch contacts
FR2475288A1 (en) * 1980-02-04 1981-08-07 Rogers Corp CONTACTS ASSEMBLY AND KEYBOARD COMPRISING THE SAME
FR2504721A1 (en) * 1981-04-22 1982-10-29 Telecomm El Aeronaut Maritime DEVICE FORMING KEYBOARD PANEL AND / OR INDIVIDUAL KEYS OR PUSH BUTTONS
EP0064615A2 (en) * 1981-05-07 1982-11-17 International Standard Electric Corporation Telephone equipment with selection keyboard
EP0064615A3 (en) * 1981-05-07 1983-08-24 International Standard Electric Corporation Telephone equipment with selection keyboard

Similar Documents

Publication Publication Date Title
JPS5499838A (en) Contact temperature control valve device
JPS5499837A (en) Contact temperature control valve device
EP0240791A3 (en) Capacitance switching device for keyboard
IT1141172B (en) QUICK RELEASE ELECTRIC SWITCH WITH FORCED CONTACT OPENING
JPS5279310A (en) Closing plate for valve body with concentric slits
FR2407561A1 (en) Electrical switch assembly with cover plate with appropriate apertures - has key for each switch with follower springs and contact arrangement giving optimum pressure distribution
FR2392306B1 (en)
GB1048795A (en) Improvements in or relating to push button equipment
ES8107372A1 (en) Rotatable pressure vessel
GB2091490B (en) Capacitive keyswitches with overtravel mechanism on a movable plate
ES429393A1 (en) Pushbutton switch
GB1009995A (en) Improvements in electrical components
GB1507860A (en) Electrical switch assembly
GB1186813A (en) Improvements in or relating to index mechanisms for rotary electric switching devices
GB971267A (en) Improvements in or relating to electric switch assemblies
USD253388S (en) Electric pressure cooker
GB1192437A (en) A Hermetically Sealed Electric Switch
GB1490995A (en) Electric switches
GB1140064A (en) Watertight electric switches
ES2020286B3 (en) PADLOCK CLOSING DEVICE TO CONTROL A SWITCH, AND ELECTRICAL ASSEMBLY ASI EQUIPPED.
GB1047394A (en)
FR2321760A1 (en) Plate mounted switch with flexible mounting element - has peripheral groove in element surrounding plate aperture rim
ES322051A1 (en) Electric cell having electrode contact cap covered with protective seal
JPS54111866A (en) Wristwatch case
USD245575S (en) Electrical outlet guard

Legal Events

Date Code Title Description
ST Notification of lapse