Inventors:
Daniel S. Pusateri - Grayslake IL, US
Thomas J. Zikowski - Racine WI, US
Assignee:
Snap-on Incorporated - Kenosha WI
International Classification:
B21J 7/02
US Classification:
173 29, 173 936, 173213, 173132, 279145
Abstract:
A rotary tool includes a housing structure with a plurality of apertures therein, drive mechanism disposed within the housing structure, a detachable drive end mechanism coupled to the drive mechanism, and a retaining structure received by the apertures. The drive mechanism is coupled to the detachable drive end mechanism by a splined sleeve. The detachable drive end mechanism includes a detachable drive end and a collar which engages the retaining structure. Several embodiments of collars and retaining structure are disclosed. In one embodiment, the retaining structure includes a generally U-shaped flexible and resilient spring clip which is flexed when installed to frictionally hold itself and the drive end and collar in place.