Forehead support for facial mask

  • US 6,463,931 B1
  • Filed: 06/30/2000
  • Issued: 10/15/2002
  • Est. Priority Date: 01/16/1998
  • Status: Expired due to Term
First Claim
Patent Images

1. A forehead support for use with a respiratory mask having a support post, the forehead support comprising a cushion frame having an adjustment assembly adapted to be adjustably couplable to the support post, the cushion frame having a bridge including at least one cushion receiving surface that is adapted to move transversely toward and away from a user'"'"'s forehead and yet remain substantially parallel to user'"'"'s forehead when in use regardless of the relative positioning between the adjustment assembly and the support post, wherein the adjustment assembly includes two arm portions between the support post and the bridge, the arm portions being adjustably coupled to the support post so as to move along a curved path during adjustment of the bridge relative to the support path.

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