Abstract: The disclosure herein describes a face guard for a sports headgear that comprises a face shield and a chin contacting element hingedly mounted to the lower part of the face shield, inwardly thereof. In one embodiment, the chin contacting element is pivotally mounted within a chin frame which is, itself, hingedly connected to the face shield, wherein the downward movement of the chin frame is limited by its upper edge contacting the lower edge of the face shield.

Abstract: The disclosure herein describes a protective sports headgear that comprises a helmet, an intermediate adapter fixed to the helmet and a visor shield hingedly connected to the adapter at opposite sides thereof. A pin mounted on the visor shield engages a locking element on the adapter, the locking engagement being manually releasable allowing the visor shield to be pivotally lifted over the forehead and the top of the helmet. The visor shield also includes an adjustment member enabling various positions of the visor shield relative to the helmet. A chin cup is hingedly mounted to the lower part of the visor shield.

Abstract: An improvement in a check valve, especially a check valve intended to be mounted across a corresponding opening of a hydromassaging apparatus. The check valve comprises a casing having an inlet and an outlet, a conduit extending from said inlet to said outlet, structure for axially setting and fastening the check valve in a corresponding opening, and improved structure including a membrane and consisting of a flexible membrane made of elastomeric material and provided with an orifice, an element provided with a flap seat of sufficient size to completely cover the orifice, structure for connecting the element with the casing and positioning the seat in the vicinity of the outlet, and structure for fastening a periphery of the membrane across the outlet of the casing, to align the orifice with the seat and to position said orifice in such a way with respect to the seat that the elasticity of the membrane presses a portion thereof surrounding the orifice against the seat.