Makita Corporation

Tooru Horiyama

Kiyozumi Kokawa

Yukiyasu Okouchi

Shinya Bito

Yuuji Takahashi

Naoto Akiyama

Sinsuke Mori

Sinji Hirabayashi

A tool housing case includes a main body case, for holding a power tool, for example, and an accessory case, for holding a power tool accessory, for example, which accessory case is connectable to the main body case on a handle side of the main body case near a main body case handle. The accessory case has an opening that can be selectively closed by a cover element. A space is provided between the handle and the accessory case for receiving a user's hand when the handle is gripped, and when a user's hand is not gripping the handle, this space allows access to the accessory case.

Tool housing case and subcase

A fastening nut includes an operation member, a female threaded member, and a control device. The operation member is operable by an operator to rotate in a fastening direction and a loosening direction. The control device is coupled between the operation member and the female threaded member and includes a plurality of movable members, such as nut segments and wedge members, and a plurality of control members, such as rollers and balls. The movable members are arranged in a circumferential direction about the nut axis. Each movable member is movable between a first position and a second position. The first positions enables fastening of the female threaded member onto the male threaded member. The second position enables loosening of the female threaded member. The control members either prevent or allow the movement of each movable member from a first position to a second position.

Fastening nuts with loosening assist functions

Growing community of inventors

Anjo, Japan

Tooru Horiyama