| 摘要 |
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.
|
