Patent ID: 8415573

Claim:
A shaft assembly for securing a knob, comprising: a hollow shaft body including: a locking member having a pair of legs extending from the hollow shaft body and being diametrically opposed to one another, the pair of legs defining an outer periphery larger than an insertion hole in the knob, the pair of legs being movable between a deflected position where the pair of legs of the locking member of the hollow shaft body can be inserted into an insertion hole of the knob, and an undeflected position where the pair of legs of the locking member locks the knob; and a pair of diametrically disposed slots; and the shaft assembly further includes: a retaining member having a pair of extensions configured to extend through the slots in the hollow shaft body to maintain the hollow shaft body in the undeflected position after the locking member is inserted in the insertion hole of the knob.