Forehead support for a facial mask
First Claim
Patent Images
1. A forehead support for a respiratory mask comprising:
- a first arm; and
a second arm adjustably coupled to the first arm in at least first and second fixed angular orientations;
the first and second arms including collinear cylindrical recesses defining an axis about which the first and second arms may pivot as a unit whilst in the first and second fixed angular orientations, wherein the first arm comprises a flexible member having a tongue and the second arm comprises an arcuate boss having at least two grooves, and the tongue is selectively insertable into each groove to fix the angular orientation of the first and second arms and the flexible member has a cantilever configuration.
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Abstract
A forehead support for a respiratory mask. The forehead support includes a pair of arms. The arms are each adapted to locate a forehead cushion. The arms are also adapted to pivot relative to each other. The arms are also selectively lockable at two or more angular positions relative to each other. The forehead support can thus be adjusted to suit the facial topography of the wearer of the respiratory mask.
183 Citations
18 Claims
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1. A forehead support for a respiratory mask comprising:
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a first arm; and a second arm adjustably coupled to the first arm in at least first and second fixed angular orientations; the first and second arms including collinear cylindrical recesses defining an axis about which the first and second arms may pivot as a unit whilst in the first and second fixed angular orientations, wherein the first arm comprises a flexible member having a tongue and the second arm comprises an arcuate boss having at least two grooves, and the tongue is selectively insertable into each groove to fix the angular orientation of the first and second arms and the flexible member has a cantilever configuration. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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Specification