EP0848400A3 - Electrical switch - Google Patents

Electrical switch Download PDF

Info

Publication number
EP0848400A3
EP0848400A3 EP97121282A EP97121282A EP0848400A3 EP 0848400 A3 EP0848400 A3 EP 0848400A3 EP 97121282 A EP97121282 A EP 97121282A EP 97121282 A EP97121282 A EP 97121282A EP 0848400 A3 EP0848400 A3 EP 0848400A3
Authority
EP
European Patent Office
Prior art keywords
contact
switch
lever arm
lever
contact system
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
EP97121282A
Other languages
German (de)
French (fr)
Other versions
EP0848400A2 (en
EP0848400B1 (en
Inventor
Alois Schäffeler
Lothar Faude
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.)
Marquardt GmbH
Original Assignee
Marquardt GmbH
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 Marquardt GmbH filed Critical Marquardt GmbH
Publication of EP0848400A2 publication Critical patent/EP0848400A2/en
Publication of EP0848400A3 publication Critical patent/EP0848400A3/en
Application granted granted Critical
Publication of EP0848400B1 publication Critical patent/EP0848400B1/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
    • 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
    • H01H5/045—Energy stored by deformation of elastic members making use of cooperating spring loaded wedging or camming parts between operating member and contact structure
    • 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
    • H01H13/26—Snap-action arrangements depending upon deformation of elastic members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H01H9/06—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/18—Contacts characterised by the manner in which co-operating contacts engage by abutting with subsequent sliding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5833—Electric connections to or between contacts; Terminals comprising an articulating, sliding or rolling contact between movable contact and terminal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H15/00—Switches having rectilinearly-movable operating part or parts adapted for actuation in opposite directions, e.g. slide switch
    • H01H15/02—Details
    • H01H15/06—Movable parts; Contacts mounted thereon
    • H01H15/16—Driving mechanisms
    • H01H15/18—Driving mechanisms acting with snap action

Abstract

Die Erfindung betrifft einen elektrischen Schalter (1) mit einem aus einem Schaltkontakt (9) und einem Festkontakt (10) bestehenden Kontaktsystem (8). Der verschwenkbar an einem Lager (11) angeordnete Schaltkontakt (9) ist in der Art eines Hebels mit zwei Hebelarmen (12, 13) ausgebildet. Auf den ersten Hebelarm (12) des Schaltkontakts (9) wirkt eine Feder (14) zur Ausübung einer auf den Festkontakt (10) gerichteten Kraft ein. Der Schalter (1) besitzt ein bewegbares Betätigungsorgan (3), das über eine Nockensteuerung (17) mit dem zweiten Hebelarm (13) des Schaltkontakts (9) zusammenwirkt, so daß das Kontaktsystem (8) zwischen einer unbetätigten und einer betätigten Stellung schaltet. Das Kontaktsystem (8) ist quer zu einer Parallelen (39) zur Bewegungsrichtung (19, 19') des Betätigungsorgans (3) und/oder der Nockensteuerung (17) angeordnet. Dabei ist der Schaltkontakt (9) des Kontaktsystems (8) derart am Lager (11) ausgerichtet, daß der erste Hebelarm (12) des Schaltkontakts (9) in der betätigten Stellung des Kontaktsystems (8) mit seiner Längsrichtung abweichend von der Parallelen (39) steht und der dabei zwischen dem ersten Hebelarm (12) und der Parallelen (39) eingeschlossene Winkel (α) größer als 0 Grad ist.

Figure 00000001
The invention relates to an electrical switch (1) with a contact system (8) consisting of a switch contact (9) and a fixed contact (10). The switch contact (9) which is pivotably arranged on a bearing (11) is designed in the manner of a lever with two lever arms (12, 13). A spring (14) acts on the first lever arm (12) of the switching contact (9) to exert a force directed at the fixed contact (10). The switch (1) has a movable actuating member (3) which cooperates with the second lever arm (13) of the switching contact (9) via a cam control (17), so that the contact system (8) switches between an unactuated and an actuated position. The contact system (8) is arranged transversely to a parallel (39) to the direction of movement (19, 19 ') of the actuating member (3) and / or the cam control (17). The switch contact (9) of the contact system (8) is aligned on the bearing (11) in such a way that the first lever arm (12) of the switch contact (9) in the actuated position of the contact system (8) has a longitudinal direction that deviates from the parallel line (39 ) and the angle (α) between the first lever arm (12) and the parallel line (39) is greater than 0 degrees.
Figure 00000001
EP97121282A 1996-12-13 1997-12-04 Electrical switch Expired - Lifetime EP0848400B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19651872 1996-12-13
DE19651872A DE19651872A1 (en) 1996-12-13 1996-12-13 Electrical switch

Publications (3)

Publication Number Publication Date
EP0848400A2 EP0848400A2 (en) 1998-06-17
EP0848400A3 true EP0848400A3 (en) 1999-05-06
EP0848400B1 EP0848400B1 (en) 2004-02-11

Family

ID=7814590

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97121282A Expired - Lifetime EP0848400B1 (en) 1996-12-13 1997-12-04 Electrical switch

Country Status (2)

Country Link
EP (1) EP0848400B1 (en)
DE (2) DE19651872A1 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1910165A1 (en) * 1969-02-28 1970-09-10 Preh Elektro Feinmechanik Small two-pole slide switch
DE2558620A1 (en) * 1975-12-24 1977-07-07 Marquardt J & J Snap action electrical switch - has leading element formed with operating element operating between cams to compress spring
US4061895A (en) * 1976-01-21 1977-12-06 Cutler-Hammer, Inc. Higher rated double-pole trigger switch
DE2838934A1 (en) * 1978-09-07 1980-03-27 Marquardt J & J ELECTRIC SWITCH
GB1577924A (en) * 1977-06-29 1980-10-29 Arrow Hart Europe Ltd Hand grip for a portable electric appliance
DE4130827A1 (en) * 1991-09-17 1993-03-25 Braun Ag Electrical rocker activated electromechanical switch - has movable contact at tip of arm support on U=shaped spring providing high contact force
DE19508925A1 (en) * 1995-03-13 1996-09-19 Marquardt Gmbh Electrical switch, in particular for electrical hand tools

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3439469A1 (en) * 1984-10-27 1986-05-07 Rudolf Schadow Gmbh, 1000 Berlin Push-button or sliding-key switch
DE3713775C2 (en) * 1987-04-24 1996-02-08 Cherry Mikroschalter Gmbh Key switch
DE4418707A1 (en) * 1994-05-28 1995-11-30 Teves Gmbh Alfred Snap-action switch with linear switch movement

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1910165A1 (en) * 1969-02-28 1970-09-10 Preh Elektro Feinmechanik Small two-pole slide switch
DE2558620A1 (en) * 1975-12-24 1977-07-07 Marquardt J & J Snap action electrical switch - has leading element formed with operating element operating between cams to compress spring
US4061895A (en) * 1976-01-21 1977-12-06 Cutler-Hammer, Inc. Higher rated double-pole trigger switch
GB1577924A (en) * 1977-06-29 1980-10-29 Arrow Hart Europe Ltd Hand grip for a portable electric appliance
DE2838934A1 (en) * 1978-09-07 1980-03-27 Marquardt J & J ELECTRIC SWITCH
DE4130827A1 (en) * 1991-09-17 1993-03-25 Braun Ag Electrical rocker activated electromechanical switch - has movable contact at tip of arm support on U=shaped spring providing high contact force
DE19508925A1 (en) * 1995-03-13 1996-09-19 Marquardt Gmbh Electrical switch, in particular for electrical hand tools

Also Published As

Publication number Publication date
EP0848400A2 (en) 1998-06-17
EP0848400B1 (en) 2004-02-11
DE19651872A1 (en) 1998-06-18
DE59711293D1 (en) 2004-03-18

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