Importance

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Abstract

A device is disclosed for adjusting the length of a strap on a scuba diving mask. The mask comprises a frame for supporting one or more lenses and a plurality of fork-shaped portions extending from either side of the frame. Each portion contains a pivot about which a portion of a strap end is wrapped, the portion being formed with a plurality of transverse stop ribs on one side. The adjustment device comprises a stop lever housed in each fork-shaped portion and a tooth extending from the lever for engaging one of the ribs. The lever has a substantially U-shaped member and a tongue extending from the base of the member such that the tongue is coplanar with and cantilevered in the lever, the tooth extending transversely from the tongue. On a side opposite the tooth, a head extends from the tongue, against which a wedge-shaped portion of a button abuts, sliding with respect to the fork-shaped portion on a plane generally parallel to the U-shaped member, whereby, when the button is pressed, the head slides away from the member, lifting the tongue and, thereby, disengaging the tooth from the rib.

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First Claim