WO2005089435A3 - Contact structure for a switch - Google Patents

Contact structure for a switch Download PDF

Info

Publication number
WO2005089435A3
WO2005089435A3 PCT/US2005/008925 US2005008925W WO2005089435A3 WO 2005089435 A3 WO2005089435 A3 WO 2005089435A3 US 2005008925 W US2005008925 W US 2005008925W WO 2005089435 A3 WO2005089435 A3 WO 2005089435A3
Authority
WO
WIPO (PCT)
Prior art keywords
contact
arcing
stationary contact
movable contact
movable
Prior art date
Application number
PCT/US2005/008925
Other languages
French (fr)
Other versions
WO2005089435A2 (en
Inventor
Neil R Aukland
Thomas J Schoepf
George Albert Drew
Gerd Rudolph
Original Assignee
Delphi Tech Inc
Neil R Aukland
Thomas J Schoepf
George Albert Drew
Gerd Rudolph
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 Delphi Tech Inc, Neil R Aukland, Thomas J Schoepf, George Albert Drew, Gerd Rudolph filed Critical Delphi Tech Inc
Priority to EP05725819A priority Critical patent/EP1728258B1/en
Publication of WO2005089435A2 publication Critical patent/WO2005089435A2/en
Publication of WO2005089435A3 publication Critical patent/WO2005089435A3/en

Links

Classifications

    • 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
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/38—Auxiliary contacts on to which the arc is transferred from the main contacts
    • 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
    • H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
    • H01H1/40—Contact mounted so that its contact-making surface is flush with adjoining insulation
    • H01H1/403—Contacts forming part of a printed circuit
    • 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
    • H01H15/04—Stationary parts; Contacts mounted thereon

Abstract

A contact structure for a sliding switch includes a conductive stationary contact (120) disposed on a base (112) and a conductive movable contact (124) for electrically contacting the stationary contact (120). The movable contact (124) is movable along a path (A, B) between a current-inhibiting position and a current-permitting position with respect to the stationary contact (120). At least one of the contacts (120, 124) has a protruding portion (144a, 144b) that provides an electrical interface for discharge of arcing as the movable contact (124) terminates electrical interface for discharge of arcing as the movable contact (124) terminates electrical communication with the stationary contact (120). As a result, the invention prevents, or substantially reduces, degradation in switch performance, which might otherwise be caused by debris accumulation associated with arcing.
PCT/US2005/008925 2004-03-18 2005-03-17 Contact structure for a switch WO2005089435A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP05725819A EP1728258B1 (en) 2004-03-18 2005-03-17 Contact structure for a switch

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/803,764 2004-03-18
US10/803,764 US6979786B2 (en) 2004-03-18 2004-03-18 Contact structures for sliding switches

Publications (2)

Publication Number Publication Date
WO2005089435A2 WO2005089435A2 (en) 2005-09-29
WO2005089435A3 true WO2005089435A3 (en) 2005-10-27

Family

ID=34985025

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/008925 WO2005089435A2 (en) 2004-03-18 2005-03-17 Contact structure for a switch

Country Status (3)

Country Link
US (1) US6979786B2 (en)
EP (1) EP1728258B1 (en)
WO (1) WO2005089435A2 (en)

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US4506119A (en) * 1982-08-03 1985-03-19 Alps Electric Co., Ltd. Snap action slide switch with wiping action
US4825020A (en) * 1988-04-14 1989-04-25 Tower Manufacturing Corportion Slide switch
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Also Published As

Publication number Publication date
US20050205396A1 (en) 2005-09-22
EP1728258B1 (en) 2012-09-12
EP1728258A4 (en) 2009-06-17
US6979786B2 (en) 2005-12-27
WO2005089435A2 (en) 2005-09-29
EP1728258A2 (en) 2006-12-06

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