Patent ID: 6062222
Filing Date: 2000-05-16
Classification: A62B

Abstract:
In the face mask for use with a self contained breathing apparatus, said face mask comprising a frame having a top and a bottom, a transparent face plate within said frame, a face seal fixed to said frame and surrounding said face plate, a nose cup within said face seal and towards said bottom of said frame, and strap means for holding said face mask to a user's face, the improvement wherein said strap means comprises a head piece having a top end portion adjacent to said top end of said frame and a bottom end portion adjacent to said bottom end of said frame, a first plurality of straps fixed to said top end portion of said head piece and to said top end of said frame, a second plurality of straps adjustably fixed to said bottom end portion of said head piece and fixed to said bottom end of said frame so that shortening said second plurality of straps pulls said head piece and causes said face seal to seal against a user's face, said second plurality of straps comprises a second pair of straps, said second pair of straps comprises a pair of buckles fixed to said bottom end portion of said head piece and a pair of longitudinal strap portions having first ends and second ends respectively, said first ends fixed to said bottom end of said frame, said second ends adjustably received by said buckles, said second ends being disposed adjacent a base of a user's skull and extending generally forward and downwardly with respect to a user's head, said second ends having free end portions, and said free end portions being rotated 180 degrees and being disposed intermediate said buckles and said frame.