Abstract: A power tool has an auxiliary handle with a handle member and a securement member. The handle member is unitarily formed with the securement member. The securement member forms a loop to secure the auxiliary handle to the power tool. A positioning tab is on an interior surface of the securement member. The positioning tab is adapted to cooperate with a tab recess on the power tool housing to position the auxiliary handle in one of a plurality of positions on the power tool. A latch mechanism tightens the loop to engage the positioning tab in the tab receiving member to lock the auxiliary handle onto the power tool.

Abstract: The distance between the clamps at opposed ends of a shoulder rest bridge adjustable in infinitely fine increments by utilizing a pressure plate which, in an engaged mode, presses a brake member made from an elastomer, particularly soft rubber, against the underside of the bridge body. The pressure plate is actuated by a pivotable latch having a lever and co-operating with a non-rotatable bearing member having a ramp surface complementary in the direction of incline and in pitch with the ramp surface of the pivotable latch. A supplementary camming mechanism provides, upon hand displacement of one of the clamps towards the other into engagement by both with the instrument, an additional motion of the one clamp toward the instrument thus increasing the clamping force holding the shoulder rest to an instrument.

Abstract: A pressure washer pump generally includes a pump housing that defines a cavity, an opening into the cavity and a bottom of the cavity generally opposite the opening. A valve assembly is disposed in the cavity through the opening. The valve assembly includes a cage member that contains a first valve mechanism. A plug member is received in the opening to fluidly seal the cavity of the pump housing. A compliant member is disposed between the plug member and the cage member. The cage member is disposed between the compliant member and the bottom of the cavity and spaced from the plug member.