Patent ID: 6860174

Claim:
A hand-held power tool comprising: a housing; a braking member fixedly mounted in said housing; an output shaft mounted in said housing for rotation in one direction or the other on an axis extending through said housing, said output shaft having an outer end portion projecting out from the housing for reception of an attachment for the tool and a ratchet wheel adapted to be driven in one direction or the other for rotating the output shaft in the one direction or the other, said ratchet wheel having a side face having a plurality of recesses extending inward from said side face spaced at intervals around said axis, wherein a plurality of engagement members are received one engagement member in each recess and biased outward from a corresponding recess; and a wear member rotatable with the output shaft in one direction or the other, wherein said side face of the ratchet wheel faces a first surface of the wear member and said engagement members engage said first surface of the wear member to bias a second surface of the wear member, opposite said first surface, against the braking member for holding the ratchet wheel against rotation in a direction opposite the driven direction of rotation.