Amusement devices: toys – Figure toy or accessory therefor – Having sounding means
Patent
1996-06-24
1999-04-06
Grieb, William H.
Amusement devices: toys
Figure toy or accessory therefor
Having sounding means
84102, A63H 3326
Patent
active
058909478
ABSTRACT:
A drive unit and a toy using the same wherein a mechanical drive transmitting mechanism is not used and moving parts are made to pivot by means of magnetic interaction forces acting between coils and magnets and the response of the moving parts is quick and movements of the moving parts can be controlled accurately and subtly, and wherein fatiguing of the coil wires is prevented by the coil parts being fixed and the permanent magnets being made to move. By the drive unit being simplified and reduced in size, a drive unit and a toy using the same which can operate stably over a long period are provided while mass production benefits and cost reductions together with simplification of the manufacturing process are promoted.
In the drive unit, a swinging body 21 is mounted on a swing shaft 20 and a pair of permanent magnets 26, 27 are mounted on the swinging body 21 side by side in the direction in which the swinging body 21 pivots. A yoke 28 is disposed extending across the pair of permanent magnets 26, 27 and a coil 46 is mounted in a position such that it magnetically interacts with the pair of permanent magnets 26, 27 and as a result the swinging body 21 is caused to pivot by a magnetic interaction force acting between the pair of permanent magnets 26, 27 and the coil 46.
REFERENCES:
patent: 1921841 (1933-08-01), Roberts
patent: 5587545 (1996-12-01), Nakada et al.
Kaneko Kenji
Kawano Masamitsu
Nagano Toshiaki
Ohashi Shinji
Tanaka Akihiro
Grieb William H.
Kabushiki Kaisha Megahouse
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