Push button switch

  • US 4,631,378 A
  • Filed: 10/19/1984
  • Issued: 12/23/1986
  • Est. Priority Date: 10/31/1983
  • Status: Expired due to Fees
First Claim
Patent Images

1. A push button switch comprising an integral homogeneous one piece molded plastic key stem and cantilever portion, said key stem having a longitudinal axis, means for mounting said key stem for sliding movement relative to a switch mounting frame generally parallel to said longitudinal axis, a contact positioned so as to be closed upon movement of said key stem in a first direction, said integrally molded cantilever portion lying generally in a plane transverse to said longitudinal axis, said cantilever portion being at least in partial surrounding and partial circumferentially spaced relationship to said key stem, said cantilever portion being relatively thin and resilient in said first direction and in an opposite second direction, said cantilever portion carrying oppositely directed projections, a first of said projections being operative for closing said contact upon movement of said key stem in said first direction, a second of said projections being operative for contacting said switch frame upon movement of said key stem in said second direction, said cantilever portion resilience and the projecting thereof effecting damping of said stem upon return movement toward said switch mounting frame, and a coil spring for moving said key stem in said second direction.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×