Hitachi Koki Co., Ltd.

Yasunori Ogawa

Kunio Yamamoto

Kazumi Takeishi

Norio Nitta

Atsushi Nakagawa

Isamu Tanji

Akira Uno

Kaoru Ichikawa

Kazuhiro Segawa

Kazumi Tanaka

Taiichi Kumasaka

Mutsuo Harada

Kihachiro Matsumoto

Toshiaki Imahashi

Yuichi Sato

Takayuki Suzuki

Kazuhiko Kitaguchi

Yasuki Omori

Junji Nakagawa

Juro Kobayashi

Katsuhiko Muto

Portable electric hammer

Jig saw

Portable electric drill

Portable electric saw

Portable pneumatic nailer

Portable electric screw driver

Pneumatic nailer

Orbital sander

Portable air nailer

A portable electric tool including an electric motor for driving a cutter to cut an object to be machined. The electric tool comprises a bracket for supporting the electric motor and handles attached to handle-mounting sections of the bracket for keeping the electric tool in cutting operation. Also included in the electric tool is a coupling mechanism for mechanically coupling each of the handles to each of the handle-mounting sections of the bracket. The coupling mechanism includes first and second annular members which are respectively attached to the handle-mounting section thereof and the handle so as to be coaxially arranged in confronting relationship to each other. Each of the first and second annular members has elongated recess portions and elongated projection portions which are alternately and successively arranged at a predetermined angular interval with respect to its own center. The elongated recess portions and projection portions of the first annular member are arranged to be engaged with the elongated projection portions and recess portions of the second annular member so as to provided a desirable mounting angle of the handle with respect to the bracket.

Portable electric router

Cordless hand-held cutter

Electric grinder

Growing community of inventors

Mito, Japan

Yasunori Ogawa