Patents Assigned to EWAC Holding, B.V.
  • Electrical rotary switch with closing elements at stationary contact locations inhibiting spark discharge and/or with a locking spring member
    Publication number: 20140144761
    Abstract: A rotary electrical switch comprises a housing having a first rotary contact space for accommodating a rotary contact and a plurality of stationary contact spaces for selectively accommodating at least one stationary contact. The housing comprises one or more closing elements for closing one or more of the stationary contact spaces not in use for accommodating a stationary contact. Another aspect comprises a locking spring member having a first portion being a resilient spring member configured for releasably engaging a locking member, while a second portion is configured for mechanically coupling to a spindle portion for imparting a rotational force on at least one rotary contact of the switch.
    Type: Application
    Filed: January 31, 2014
    Publication date: May 29, 2014
    Applicant: Ewac Holding B.V.
    Inventors: Ronald Christiaan Webber, Maarten Willem Reddering
  • Electrical rotary switch with closing elements at stationary contact locations inhibiting spark discharge and/or with a locking spring member
    Patent number: 8658923
    Abstract: A rotary electrical switch comprises a housing having a first rotary contact space for accommodating a rotary contact and a plurality of stationary contact spaces for selectively accommodating at least one stationary contact. The housing comprises one or more closing elements for closing one or more of the stationary contact spaces not in use for accommodating a stationary contact. Another aspect comprises a locking spring member having a first portion being a resilient spring member configured for releasably engaging a locking member, while a second portion is configured for mechanically coupling to a spindle portion for imparting a rotational force on at least one rotary contact of the switch.
    Type: Grant
    Filed: March 23, 2009
    Date of Patent: February 25, 2014
    Assignee: Ewac Holding B.V.
    Inventors: Ronald Christiaan Weber, Maarten Willem Reddering
  • Electric rotatable switch
    Patent number: D619547
    Type: Grant
    Filed: October 2, 2008
    Date of Patent: July 13, 2010
    Assignee: EWAC Holding, B.V.
    Inventor: Maarten Reddering
  • Electric rotatable switch
    Patent number: D646233
    Type: Grant
    Filed: June 17, 2010
    Date of Patent: October 4, 2011
    Assignee: Ewac Holding, B.V.
    Inventor: Maarten Reddering