There is provided an electric power tool including: an electric motor; a first battery; a second battery; a first controller configured to control the electric motor at a first operating voltage supplied based on a first power supply voltage supplied from ...

There is provided an electric power tool including: a second voltage supply portion configured to supply, based on a first power supply voltage supplied from a first battery, a second operating voltage for operating a second controller, and configured to s...

A battery pack (10) includes a casing (11, 20) having an opening (24), an engaging member (30) having a stopper (31), and a regulating member (40) configured to regulate a movement of the engaging member (30). The engaging member (30) is supported in a sli...

The present gas internal combustion type nailing machine is provided with: a striking cylinder (5) for slidably accommodating a striking piston (6) therein; a combustion chamber (11) formed in an upper side and capable of being opened and closed; a compres...

The present gas internal combustion type nailing machine is provided with: a striking cylinder (5) for slidably accommodating a striking piston (6) therein; a combustion chamber (11) formed in an upper side and capable of being opened and closed; a compres...

In a gas internal combustion type nailing machine, a tubular-shaped sleeve 33 is fixed between a movable housing 31 and a fan 7. Between the movable housing 31 and sleeve 33, an annular space portion S is formed. In such portions of the sleeve 33 as existi...

An operating mechanism is provided with an operating member (102A) which is pivotally supported by a first axis (121A), and a link member (103A) which is pivotally supported by a second axis (132A) and configured to transmit an operation of the operating m...