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SHOCK ABSORBENT ROLLER THUMB WHEEL

  • US 20040200700A1
  • Filed: 04/09/2003
  • Published: 10/14/2004
  • Est. Priority Date: 04/09/2003
  • Status: Active Grant
First Claim
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1. A shock absorbing roller thumb wheel for actuating an electro-mechanical switch, comprising:

  • a hub for attachment to the switch;

    a resilient outer rim encircling the hub; and

    force dispersion spokes connecting the resilient outer rim to the hub, each force dispersion spoke having a predetermined length and cross-sectional shape for radially and laterally deforming in response to an impact force applied to the resilient outer rim.

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