Patent ID: 7291061

Claim:
A manual power grinder, comprising a housing; a motor received in said housing; a grinding disk driven by said motor and located on an underside of said motor; a drive shaft arranged so that said drive shaft and said motor are located parallel to one another and vertically to said grinding disk in said housing and are in rotational communication with one another; and gear means providing the rotational communication of said motor and said drive shaft, said gear means being located in said housing, wherein said gear means include a straight-toothed pair of gear wheels, formed of two gear wheels, wherein said gear wheels point toward said grinding disk, substantially close to said grinding disk in such a way that flat sides of said gear wheels extend substantially parallel to said grinding disk, wherein one of said gear wheels is configured as a drive pinion which meshes with said grinding disk and is provided with at least one compensation element selected from the group consisting of a compensation mass, a compensation bore, and both, wherein said compensation mass and said compensation bore are on diametrically opposed flat sides of said drive pinion.