EP1170764A1 - Druckschalter - Google Patents

Druckschalter Download PDF

Info

Publication number
EP1170764A1
EP1170764A1 EP01410084A EP01410084A EP1170764A1 EP 1170764 A1 EP1170764 A1 EP 1170764A1 EP 01410084 A EP01410084 A EP 01410084A EP 01410084 A EP01410084 A EP 01410084A EP 1170764 A1 EP1170764 A1 EP 1170764A1
Authority
EP
European Patent Office
Prior art keywords
push button
control member
button according
support
blade
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
EP01410084A
Other languages
English (en)
French (fr)
Other versions
EP1170764B1 (de
Inventor
Philippe Traversaz
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.)
Mafelec SAS
Original Assignee
Mafelec SAS
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 Mafelec SAS filed Critical Mafelec SAS
Publication of EP1170764A1 publication Critical patent/EP1170764A1/de
Application granted granted Critical
Publication of EP1170764B1 publication Critical patent/EP1170764B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01H13/02—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
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/12—Push-buttons
    • H01H3/122—Push-buttons with enlarged actuating area, e.g. of the elongated bar-type; Stabilising means therefor

Definitions

  • the invention relates to a push button comprising a body forming a support, a mobile control member having a fixed rest position and at least one position actuated, and an electrical contact device intended to be actuated by a change position of said control member.
  • a push button of the state of the art comprises a body in which a movable member slide to activate an electrical contact.
  • a return spring disposed in the body between the movable member and the bottom of said body repels or maintains the movable member in a fixed position.
  • the movable member acts directly on the electrical contact when said member is at the end of its travel.
  • the pushers of the state of the art function properly as long as the control is generally circular in shape and of small diameter. As soon as the surface of the control member requires a larger area.
  • the push buttons made according to known embodiments must have high depths to ensure good sliding of the control member without risk of blockage. So a too deep is not suitable for installations requiring reduced volume.
  • the object of the invention is to provide a push button enabling a large area of the control and effective action over the entire surface of said control member.
  • a push button according to the invention comprises actuation means having at least a support on the body, and at least one end intended to act on the contact device electric, the mobile control member having a support part for pressing on said actuation means between said support on the body and said end intended to act on the electrical contact device.
  • the actuation means comprise at least a flexible blade arranged substantially parallel to a front face of the control unit.
  • the actuation means comprise at least three flexible blades secured by a mechanical connection intended to press on the body, the flexible blades having ends oriented towards the center of the circular part to act on the contact device.
  • the end of the flexible blades is curved opposite the electrical contact device.
  • the flexible blades have a shape capable of causing a tactile effect and an effect predetermined sound.
  • control member comprises an external flange bearing on the support and allowing tilting of said control member.
  • the mobile control member comprises at least one protuberance arranged on a face opposite a front face to press on at least one blade of the actuation means.
  • the protuberance has a substantially circular shape to allow the control member to press on at least one blade of the actuation means which whatever its position with respect to the body forming a support.
  • a push button comprises means for preventing the rotation of the control member along an axis perpendicular to the front face of said control member.
  • At least one flexible blade of the actuating means is a blade of spring for pushing the control member back into its rest position.
  • At least one flexible blade of the actuating means is a blade made of metallic material.
  • At least one flexible blade of the actuating means is a plastic blade integral with the body forming a support.
  • control member comprises a front face button having a surface greater than 15 square centimeters.
  • control member has a shaped front face button circular with a diameter greater than 30 mm.
  • a push button according to a particular embodiment of the invention comprises light signaling means.
  • the push button shown in Figure 1 comprises a body 1 forming a support, a control member 2 intended to act on an electrical contact device 3.
  • the control 2 is pushed back into a rest position by a helical spring 4 which bears on the bottom of the body 1.
  • An action on the control member compresses the spring and allows said member controlling the electrical contact 3.
  • Such prior art push buttons do not allow bodies of weak thickness or control members having a large area and a possibility of support over the entire surface.
  • an actuating device 5 has at least one support 6 on the body and at least one end 7 intended to act on the electrical contact device 3.
  • the control member 2 comprises a support part 8 for pressing on the actuation device 5 between the support on the body 6 and the end 7.
  • Part 8 arranged on a face opposite to the front face can be a protuberance under the shaped like a lug.
  • the protuberance 8 can be shaped circular.
  • the member 2 has a button 9 on the front face having a large area on the front panel to make it easily accessible by a user.
  • La surface of the front panel key 9 may be greater than 15 square centimeters.
  • a flange 10 allows said control member to switch over its entire outline.
  • the actuating device comprises at least one flexible blade 11 disposed substantially parallel to a front face or a button on the front face 9 of the control member 2.
  • One end 12 of the blade flexible 11 intended to act on the electrical contact device 3 is oriented towards the center of the push button.
  • Another end 13 of the blade is directed towards the body of the button push-button to carry out the support 6.
  • the end 12 of the flexible blade 11 is bent opposite to said electrical contact device.
  • the actuation device includes a connection mechanical 14 intended to press 6 on the body.
  • At least one flexible blade is to maintain the control member in a rest position.
  • at least one blade is a blade spring to push the control member into its position opposite the bottom from the body.
  • an actuating device comprises at least three flexible blades 11 to ensure a substantially uniform touch over the entire surface of the front face of the control unit.
  • an actuator has four blades hoses 11 connected by a mechanical connection 14 of circular shape.
  • support parts 8 are arranged substantially in the middle of the flexible blades. However, he it is possible to arrange these support parts closer to the center or on the contrary towards the exterior to have a different feel, for example a different stroke or hardness.
  • a tactile effect and a sound effect may also take into account the characteristics of the electrical contact 3.
  • FIG. 4 shows an exploded view of a push button according to an embodiment of the invention.
  • the body 1 has a substantially square external shape 15 and a interior housing 16 of circular shape.
  • the electric cut-off device 3 is arranged on a printed circuit intended to be held at the bottom of the body by flexible tabs fitted with hooking lugs.
  • a seal sealing 18 optional is arranged on a base of the body.
  • An actuating device 5 comprising tongues 11 and a mechanical connection 14 introduced into the circular inner part of the body. Maintenance advances 19 integral with the mechanical connection 14 make it possible to position the device 5 in the body without risking damaging the tabs.
  • the control unit is circular in shape with an outer part forming a front panel key 9.
  • the key front face of circular shape has a diameter greater than 30 mm, for example 50 mm.
  • the control member 2 comprises an external flange 10 bearing on the support and allowing tilting of said control member.
  • the flange is arranged on the circular contour of the member 2.
  • the front face of the member control may include an opening 20 for viewing an indicator light. This opening 20 can be closed by a plug 21 of the same color as the button or by a translucent plug 21 to let the light of a sight glass pass.
  • the push button has means to avoid the rotation of the control member along an axis perpendicular to the front face of said member control.
  • These means can take the form of notches 26 on the ordered. They can also provide a polarizing function.
  • a faceplate 22 of substantially square shape can be placed on the body, it surrounds the control member.
  • Figures 5 and 6 show the same embodiment as in Figure 4.
  • the push button has a different shape.
  • the body 1 has a substantially circular outer shape 23, and an interior housing 16 and a faceplate 22 are also substantially circular in shape.
  • the button pusher comprises a fixing device 24 to hold it or fix it on a support.
  • the push button has a second button 25 intended to act on a first key 9.
  • the first key 9 acts directly on the device button 5 and the second button acts on the first.
  • the second key can be interchangeable or of different shape depending on the function assigned to it, especially when installing the push button.
  • the mobile control member comprises at minus a protuberance 8 disposed on a face opposite a front face to press at least one blade of the actuating device.
  • the protuberance has a substantially circular shape to allow the control member to press on minus a blade of the actuating device whatever its position with respect to the body forming a support.
  • blades of the device actuation are substantially parallel to the key surface 9.
  • blades may have ends acting on the electrical contact device more distant from the front of a button than points bearing on the body which will then be closer to said front face of the button.
  • the blades of the actuator can be metallic or other materials can form a leaf spring.
  • the blades can be made of materials plastic and be part of the body 1 forming a support.
  • the body 1 is produced, by example, in rigid plastic.
  • the blades of the same actuating device can have different lengths, in particular to be adapted to particular forms of keys.
  • the keys can have various shapes. They can be in particular of form circular, elliptical, square, rectangular, triangular, or other shapes.

Landscapes

  • Push-Button Switches (AREA)
  • Surgical Instruments (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Braking Systems And Boosters (AREA)
  • Switches With Compound Operations (AREA)
EP01410084A 2000-07-06 2001-07-05 Druckschalter Expired - Lifetime EP1170764B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0008783 2000-07-06
FR0008783A FR2811468B1 (fr) 2000-07-06 2000-07-06 Bouton poussoir

Publications (2)

Publication Number Publication Date
EP1170764A1 true EP1170764A1 (de) 2002-01-09
EP1170764B1 EP1170764B1 (de) 2006-12-20

Family

ID=8852167

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01410084A Expired - Lifetime EP1170764B1 (de) 2000-07-06 2001-07-05 Druckschalter

Country Status (4)

Country Link
EP (1) EP1170764B1 (de)
AT (1) ATE349065T1 (de)
DE (1) DE60125284T2 (de)
FR (1) FR2811468B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2931584A1 (fr) * 2008-05-22 2009-11-27 Mafelec Bouton-poussoir sonore

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3112328A1 (de) * 1981-03-28 1982-10-07 Robert Bosch Gmbh, 7000 Stuttgart Druckschalter mit einer kappenfoermigen drucktaste
US4385218A (en) * 1981-04-21 1983-05-24 Matsushita Electric Industrial Co., Ltd. Electric switch
US4412113A (en) * 1979-08-10 1983-10-25 Matsushita Electric Industrial Co., Ltd. Dust venting contact with a non-circular hole
EP0417048A2 (de) * 1989-09-06 1991-03-13 TSCHUDIN & HEID AG Elektrische Schaltvorrichtung mit Leuchtmitteln
US5895901A (en) * 1996-09-17 1999-04-20 Matsushita Electric Industrial Co., Ltd. Long-stroke push-on switch with reduced height
WO1999038180A1 (de) * 1998-01-22 1999-07-29 Rafi Gmbh & Co. Elektrotechnische Spezialfabrik Drucktaste

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4412113A (en) * 1979-08-10 1983-10-25 Matsushita Electric Industrial Co., Ltd. Dust venting contact with a non-circular hole
DE3112328A1 (de) * 1981-03-28 1982-10-07 Robert Bosch Gmbh, 7000 Stuttgart Druckschalter mit einer kappenfoermigen drucktaste
US4385218A (en) * 1981-04-21 1983-05-24 Matsushita Electric Industrial Co., Ltd. Electric switch
EP0417048A2 (de) * 1989-09-06 1991-03-13 TSCHUDIN & HEID AG Elektrische Schaltvorrichtung mit Leuchtmitteln
US5895901A (en) * 1996-09-17 1999-04-20 Matsushita Electric Industrial Co., Ltd. Long-stroke push-on switch with reduced height
WO1999038180A1 (de) * 1998-01-22 1999-07-29 Rafi Gmbh & Co. Elektrotechnische Spezialfabrik Drucktaste

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2931584A1 (fr) * 2008-05-22 2009-11-27 Mafelec Bouton-poussoir sonore

Also Published As

Publication number Publication date
FR2811468B1 (fr) 2003-01-31
DE60125284T2 (de) 2007-10-04
ATE349065T1 (de) 2007-01-15
EP1170764B1 (de) 2006-12-20
FR2811468A1 (fr) 2002-01-11
DE60125284D1 (de) 2007-02-01

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