Patent ID: 8550320

Claim:
A driving device comprising: a driver bit for striking a fastener loaded in a launching section; a driving device for driving the fastener from the launching section by reciprocating the driver bit; a trigger that can be pulled in a given direction to control the start or stop of the driving device; a locking device disposed near the trigger at a handle housing section and having a pair of wall sections that extends in parallel from the handle housing section, each wall section having a through hole; a lock switch member extending through each through hole and slidable between a first position and a second position in a direction perpendicular to the direction of the pulling operation of the trigger, the lock switch member having a convex portion and a concave portion; a first spring for urging the lock switch member toward the second position; and a second spring configured to urge the trigger toward a default position, wherein a wall section of the trigger is engaged with the concave portion when the lock switch member is at the first position and the pulling operation of the trigger is enabled, and the wall section of the trigger contacts the convex portion when the lock switch member is at the second position and the pulling operation of the trigger is disabled.