Patent ID: 6851337

Claim:
A wrench for turning a gas tank yoke set screw having a transverse torque bar about a set screw axis to selectively mount the yoke on a valve body and dismount the yoke from the valve body, said wrench comprising: a wrench head including a face having an elongate groove extending along a central longitudinal groove axis between opposite first and second ends of the groove for receiving the torque bar, said groove having opposing side walls extending generally parallel to said central longitudinal groove axis between said first and second ends of the groove and being spaced apart by a distance generally equal to a width of the torque bar so that said groove engages said torque bar when the torque bar is received by the groove, said side walls extending inward into said wrench head from said face to a groove bottom; an opening in the wrench head intersecting the groove and extending through the wrench head; and an elongate wrench handle extending outward from the wrench head to provide a torque arm for turning the wrench head when the torque bar is received by the groove and thereby turn the gas tank yoke set screw about its axis to selectively mount the yoke on a valve body and dismount the yoke from the valve body.