Title:
往復動式モータ
Document Type and Number:
Japanese Patent JP4008924
Kind Code:
B2
Abstract:
A reciprocating motor including a piston operatively connected with a magnet unit, a cylinder having an open end to receive the piston and having a groove formed at a circumference along an outer surface thereof near the open end, a stator assembly positioned around the cylinder and cooperating with the magnet unit to allow the piston to reciprocate within the cylinder, and a ring member being placed into the groove of the cylinder to be frictionally urged towards a portion of the stator assembly to maintain contact with and hold the portion of the stator assembly in place on the outer surface of the cylinder.
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Inventors:
Hyun, Sung-Yeul
Application Number:
JP2004535263A
Publication Date:
November 14, 2007
Filing Date:
September 09, 2003
Export Citation:
Assignee:
LG ELECTRONICS INC.
International Classes:
H02K33/16; H02K41/02; F04B35/04; F16B21/18
Domestic Patent References:
| JP2001057767A | ||||
| JP2002218727A | ||||
| JP9151923A | ||||
| JP2001221215A | ||||
| JP2002130234A |
Foreign References:
| US2755698 | ||||
| US5352079 |
Attorney, Agent or Firm:
Atsushi Aoki
Jun Tsuruta
Tetsuro Shimada
Ryu Kobayashi
Masaya Nishiyama
Jun Tsuruta
Tetsuro Shimada
Ryu Kobayashi
Masaya Nishiyama