To provide a DC electric motor of light weight, efficient and simple, capable of reciprocating on a DC power source of a cell and a secondary battery (storage battery) used inside a portable telephone or the like.
A terminal receiver 4 is provided on right and left side surfaces. The left side terminal receiver 4 is so connected as a current flows to coils 2a and 2b. The right side terminal receiver 4 is so connected as a current flows to the coils 2a and 2b in an opposite direction. The contact of a switch 1 to the terminal receivers 4 on the right and left surfaces switches the direction of a current flowing to the coils 2a and 2b. A holding spring 6 attached to right and left side surfaces of the switch 1 enters and recedes from a holding spring groove of a guide 8 to hold the switch 1. A permanent magnet 3 automatically reciprocates to generate vibration.
JPH0570163U | 1993-09-21 | |||
JPH11168869A | 1999-06-22 | |||
JPH0970165A | 1997-03-11 | |||
JPH1127919A | 1999-01-29 |