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REAR MOUNTED INTEGRATED ROTARY ENCODER INCLUDING A PUSHBUTTON SWITCH

  • US 20030209411A1
  • Filed: 05/10/2002
  • Published: 11/13/2003
  • Est. Priority Date: 05/10/2002
  • Status: Active Grant
First Claim
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1. A mechanical portion of rear-mount integrated rotary encoder for use with a circuit board having an encoder contact pattern formed thereon, comprising:

  • a housing having a rear surface, a side surface, and a substantially open front area;

    a rotatable shaft extending substantially orthogonally through said open front area of said housing;

    a rotatable circuit contacting member mechanically connected to said shaft; and

    a securing device for securing said mechanical portion to said circuit board;

    said rotatable shaft being passed through an aperture in said circuit board such that said rotatable circuit contacting members contact said encoder contact pattern;

    a knob adapted to be slidably mounted to said shaft for rotating said shaft;

    an elastomeric button having an aperture for receiving said shaft, said elastomeric button being adapted for mounting between said circuit board and said knob, and when so mounted exerting a force against an underside of said knob; and

    a pair of switch contacts adapted to be mounted between an underside of said elastomeric button, and said circuit board;

    said switch contacts being changed between an open state and a closed state by sliding said knob along said shaft.

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