Fujitsu Ten Limited

Kiyoshi Ohtani

Akira Nishikawa

Yuichi Nakajima

Noboru Hidaka

An exciter for directly vibrating a board, which enables a sufficient rotational torque to be obtained by a work tool at the time of attachment or detachment, provided with a magnetic circuit unit having an outside yoke comprised of a side wall and a bottom, a permanent magnet fastened to the bottom, and an inside yoke and with a coil inserted into a clearance between the side wall and inside yoke, the magnetic circuit unit being vibratably supported at the coupler member by elastic members, the coupler member being screwed with the bracket member fastened to the surface of the board, two parallel flat surfaces engaging with ends of a work tool being provided at an outer circumference of the outside yoke, and the work tool being turned to attach/detach the coupler member with respect to the bracket member.

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Kobe, Japan

Kiyoshi Ohtani