Matsushita Electric Works, Ltd.

Panasonic Electric Works Co., Ltd.

Wataru Sanematsu

Makoto Fujiwara

Satoshi Nakayama

Atsushi Takahashi

Hiroaki Shimizu

Tomohiro Kunita

Shinichi Taniguchi

Suehisa Kishimoto

Toshio Nakano

Yukihiro Masuda

Chizuko Mishima

Masayoshi Nagayama

Youhei Ishigami

Yumi Hanato

A mouth cleaning device includes a head portion provided with bristles and an electrode; and a grip portion provided with an electrode. Further, the mouth cleaning device includes a boosting circuit for boosting an output voltage of a battery serving as a power source and applying the boosted voltage to the electrodes of the head portion and the grip portion; and a current limit circuit for limiting a current flowing from one electrode to the other via a human body.

Mouth cleaning device

An oscillation-type exercise device is provided with a pair of reins on the right and on the left disposed in front of a user seated on a seat portion. Base ends of the pair of the reins are coupled to a pair of extensible mechanisms housed inside the seat portion. Handle portions to be gripped by the user are attached to tip ends of the pair of reins. Each extensible mechanism is configured to change the length of the reins, that is, each extensible mechanism causes the reins to generally extend and retract.

Oscillation-type exercise device

A linear oscillating actuator gives a smooth reciprocatory movement with a minimum of incidental vibrations or stresses. The actuator includes an oscillator carrying a permanent magnet as well as an output shaft which is adapted to be connected to drive a load, and a stator assembly carrying an electromagnet. The electromagnet generates a magnetic field which interacts with the permanent magnet to reciprocate the oscillator relative to the stator assembly in a linear path. A spring link is provided to resiliently support the oscillator to the stator assembly with a gap distance left therebetween for allowing the oscillator to reciprocate in the linear path. The spring link is configured to deform resiliently also in a direction other than along the linear path so as to allow the oscillator to move to and away from the stator assembly or to twist relative to the stator assembly. Thus, the spring link can absorb incidental stresses or displacements from which the oscillator may suffer in the directions other than along the linear path, assuring to give a smooth reciprocatory movement to the oscillator with a minimum of fatigue accumulated in the spring link.

Linear oscillating actuator

A reciprocating linear actuator capable of reciprocatingly driving a plurality of movable elements (and) by a single stator (). The movable elements (and) are connected to each other through a connection body () having a spring characteristic to be capable of displacement in the reciprocating direction of the movable element. The connection body () has such a shape that can be drawn with a single stroke on a two dimensional plane, and at least both ends thereof are connected to the movable elements (and), respectively. Since the connection body () is made of a flat spring, it requires less space for installation as compared to a connection body formed of a coiled spring. Further, since the entire connection body has an effective spring characteristic, a relatively smaller size is required for the connection body to provide a required spring characteristic. The less installation space for the connection body () is advantageous to a reduction in size of the linear actuator.

Reciprocating linear actuator

Growing community of inventors

Hirakata, Japan

Wataru Sanematsu