DRIVE TOOL Russian patent published in 2014 - IPC B25F5/02 B24B23/02 

FIELD: machine building.

SUBSTANCE: drive tool comprises tool drive motor, motor case, tool holder mount, rear cover including cylindrical part attached to motor case rear opposite said tool holder mount, and bore made in case cylindrical part wall to make part to be gripped by tool user. Besides it has electric switch to actuate control part to be controlled by used hand and switching part. Switching part is actuated by control part on feeding electric power to drive motor and is connected to control part via hole. Control part extends in lengthwise direction along both motor case and rear cover, control part having extending front and rear ends. Motor case and rear cover have recess. Control part is arranged at case and rear cover so that extending front end engages with motor case recess while extending rear end engages with rear cover recess. Control part is retained in idle position by switching part spring.

EFFECT: ease of control.

3 cl, 5 dwg