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Title:
LINEAR DC ELECTRIC MOTOR
Document Type and Number:
Japanese Patent JP2004336826
Kind Code:
A
Abstract:

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.


Inventors:
MATSUMURA HIROFUMI
Application Number:
JP2001067739A
Publication Date:
November 25, 2004
Filing Date:
February 05, 2001
Export Citation:
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Assignee:
MATSUMURA HIROFUMI
International Classes:
B06B1/04; B06B1/14; H02K33/02; H02K33/16; (IPC1-7): H02K33/16; B06B1/04; B06B1/14
Domestic Patent References:
JPH0570163U1993-09-21
JPH11168869A1999-06-22
JPH0970165A1997-03-11
JPH1127919A1999-01-29
Attorney, Agent or Firm:
Yutaka Togashi