Panasonic Intellectual Property Management Co., Ltd.

Panasonic Corporation

Masatomo Kumashiro

Masahiko Morisaki

Yuichi Tanabe

Toshifumi Tsutsumi

A bearing unit that supports a rotating shaft includes: a frame including a tubular body; a bearing disposed in the frame; and a pressing spring that is disposed in the frame and presses the bearing, the pressing spring including a protrusion as a positioning part that comes into contact with an inner surface of the tubular body of the frame to determine a position of the pressing spring.

Bearing unit and motor

A motor includes: a bobbin having an insertion hole; a coil wound around the bobbin; a stator core having an excitation part that is inserted into the insertion hole; a rotor that is disposed rotatably with respect to the stator core; and a resin mold covering the bobbin, the coil, and the stator core. On a first opening end of the insertion hole, an exposed portion having an exposed surface that is exposed from the resin mold is formed. The exposed portion is positioned between the stator core and the resin mold.

Growing community of inventors

Osaka, Japan

Masatomo Kumashiro