Abstract: A respirator having a disposable filter includes a valve body having a central aperture providing concentric inhalation and exhalation valves.

Abstract: A yoke for the face piece of a respirator is formed from plastics material and is provided with hinge portions of lesser thickness than the remainder of the yoke, which are stressed during assembly of the respirator to resiliently position wings of the yoke as dihedrals.

Abstract: A device (10) is disclosed for mounting a hearing protector (90) on each side of a hard hat, pressing the hearing protectors at a substantially constant force about the ears and moving them in oppositely incline planes between an operative wearing position (W) and an extended inoperative pressure relieved stored position (R). Each device comprises support means (20) including a pivot stud (28) adapted for attachment to and retained to a side of the hard hat (H), by retainer means (30), guide means (40) (50) including at least one incline surface (44) (54) about the pivot stud projecting into an elongated slot (74) in a rigid central end portion (72) of an adjustable support arm (70) secured by releasable clamping means (60). Support arm (70) has at least one flexible resilient leg of fixed length extending from the rigid central portion (72) to a fixed pivot axis or point of connection (80) with a hearing protector (90).

Abstract: Safety spectacles (10) comprising a one piece flanged and curved front face piece (12) adapted to wrap around the forehead to the wearers temples. The face piece (12) is provided with a nose piece (14), a substantially distortion free spherical viewing and eye shield front wall portion (16) of varying thickness, an upper protective flange (18) and opposite side portions (20) with upper and lower flange portions (22) (24) including pivot pin receiving apertures therein pivotally hinged to temple bars (30). Each temple bar is provided with upper and lower pivot pins (32) projecting outwardly from upper and lower extensions of flanges (36) (38) extending inwardly from a relatively wide forward portion of the side wall (40) with or without vents or louvers (L).

Abstract: A plurality of measuring spoons, for measuring liquid or dry materials, each having a bowl and an integral elongated handle. The bowls vary in capacity from each other. The handles of the spoons are releasably affixed to a spoon holding ring by a slot at the end of the handle. Each slot has an arcuate section so that a tubular spoon holding ring can be snapped into the slot due to flecture of the spoon handle portions defining the slot. The slots permit the spoons to be individually pivoted on the spoon holder ring, or individual spoons can be removed from the spoon holder ring. The spoons nest together to form a compact unit. The spoon holder ring is designed to permit the entire assembly to be hung up in the kitchen in a convenient location. Each spoon is clearly marked with an indication as to its bowl capacity. Several of the spoons have a measuring ledge within the bowl and these spoons can be used to measure two different capacities depending on whether the spoon is filled to the ledge or to the top.