Patent ID: 7032612

Claim:
An air chuck for use with two different types of valve stems, comprising: (a) a chuck housing having an elongated channel therein; (b) a sliding chuck body, at least a portion of which is received in the chuck housing; (c) a chuck pin axially aligned with the chuck housing and the sliding chuck body; (d) a lock pin projecting radially outwardly of the sliding chuck body and selectively received in the elongated channel of the chuck housing, whereby the sliding chuck body is movable between a retracted position and an extended position; (e) a cap secured to the chuck housing; and (f) an annular channel in communication with the elongated channel and receiving the lock pin when the sliding chuck body is moved to one of the extended or retracted position, and said sliding chuck body being rotatable relative to the chuck housing when the lock pin is received in the annular channel, whereby the sliding chuck body is securable against axial movement relative to the chuck housing by rotation of the lock pin within the annular channel to a position outside of alignment with the elongated channel.