Patent ID: 6686548
Filing Date: 2004-02-03
Classification: B24B,H01H

Abstract:
A grinding tool comprising:a handle having a driving device connected to a first end of the handle and a grinding wheel connected to and driven by the driving device, an electric cable connected to a second end of the handle, an opening defined in the handle and a switch device received in the opening; a cover engaged with the opening and having a recess defined in an outer periphery of the cover, a hole defined through the cover; a pushing member slidably engaged with the recess and a stepped protrusion extending from an underside of a first end of the pushing member so as to be engaged with an inner periphery of the hole, a gap defined between a second end of the pushing member and a surface defining the recess; an activation member extending through the hole and located between the stepped protrusion and the second end of the pushing member, the activation member fixed to the pushing member and has a convex which contacts the switch device, and a spring having a first end connected to the cover and a second end of the spring connected to a combination of the activation member and the cover.