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Slide pad membrane

  • US 7,710,403 B2
  • Filed: 04/26/2005
  • Issued: 05/04/2010
  • Est. Priority Date: 04/26/2005
  • Status: Expired due to Fees
First Claim
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1. A slide pad membrane comprising:

  • an annular ring having an inner edge;

    a center portion having an outer edge; and

    a plurality of concentric annular ripples including an outer annular ripple connected to the inner edge of the annular ring and an inner annular ripple connected to the outer edge of the center portion, wherein the plurality of concentric annular ripples is configured to allow the center portion to move in a direction toward the annular ring and wherein the plurality of concentric annular ripples forms a radial spring to bias the center portion toward a center of the annular ring.

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