JPS61117590U - - Google Patents

Description

[Brief explanation of the drawing]

FIG. 1 is a vertical sectional view showing a conventional linear motor, FIG. 2 is a front partial vertical sectional view showing a linear motor according to a first embodiment of the present invention, and FIG. 3 is a first embodiment of the present invention. FIG. 2 is a side view of the example, FIG. 4 is an explanatory diagram showing the shape of the braking member which is the main part of the first embodiment of the present invention, and FIG. 5 is another diagram of the first embodiment of the present invention. FIGS. 6a and 6b, a side view showing an example, are explanatory diagrams of a bimorph type and a laminated type piezoelectric element used in the second embodiment of the present invention.

Claims (1)

[Claims for Utility Model Registration] A stator 1 having a large number of magnetic pole teeth 2 made of a magnetic material at a constant pitch in the longitudinal direction, a permanent magnet 4 having magnetic poles in the longitudinal direction, and a mover magnetic pole group 5 having magnetic pole teeth. , 6, 7, 8, yokes 9, 9, and each phase winding 10, 1
1, 12, and 13, and guide means 14, 15 for guiding the opposing movable element 3 so that it can move in the longitudinal direction while maintaining a minute gap 19 with the stator 1. In this linear motor, there is provided a braking member 20 whose base is fixed to the movable element 3 and whose tip tongue piece 20b or central part faces the magnetic pole teeth 2 of the stator 1, and each phase winding 10, 11
, 12, 13 are not energized, the magnetic pole teeth 2 of the stator 1
When the stator 1 is in pressure contact with the inner circumferential surface of the stator 1 and
A linear motor characterized in that it is mechanically configured to be spaced apart from the inner circumferential surface of the magnetic pole teeth 2 to perform stop/holding and stepping.