Patent ID: 8245957

Claim:
A swivel nozzle mechanism for use with a high pressure fluid washer, the washer having an output wand connected through a hose to a fluid output of the washer, the output wand having a proximal end and a distal end, the swivel nozzle mechanism comprising: a handle mechanism connecting to the wand near the proximal end, for moving an axial lever linkage in the general direction of a wand axis that extends longitudinally between the proximal end and the distal end of the wand; a swivel mechanism connecting to the distal end of the wand, the swivel mechanism comprising a rotatable nozzle having an axis of rotation; a rotation inducing structure integral with the rotatable nozzle, the inducing structure having a connection that is off axis with respect to the axial lever linkage; and a support base connected to the wand and supporting the rotatable nozzle, and providing a fluid flow path from a wand output orifice to the nozzle; the handle mechanism comprising a fixed support structure connected to the wand in fixed orientation; a rotatable hub rotatably secured to the support structure; the axial lever linkage rotatably connecting to the rotatable hub of the handle mechanism through a rotatable axle; the axle having a rotatable connection with the hub and connected to the lever linkage to enable lever linkage movement about an axis normal to a lever linkage axis; the hub being rotatable about a hub axis normal to the wand axis; and a handle connected to the hub, the handle being able to rotate the hub about the hub axis for a limited rotational extent, thereby to rotate the hub about said hub axis by the same rotational extent; the rotatable hub having a plurality of stops; and a handle retention mechanism for enabling the handle to be maintained in a selectable rotational position using said stops, resistant to forces attempting to cause said handle to rotate; and whereby rotational movement of said handle about said hub axis causes the lever linkage mechanism to move in a direction to cause the rotatable nozzle to rotate about its axis of rotation.