Brush holder of rotary machine

Abstract

Abstract PURPOSE: To hole a brush surely and to replace it easily by putting a cap equipped with both a coil pressing part and an elastic projected stopper on the holder from the axial direction. CONSTITUTION: A brush holder 3 made of synthetic resin, which has a guide cylinder 17 for holding the brush 8, is attached to the outer frame 2. The brush is put in the guide cylinder, and is pressed on the commutator bar 9 by the coil 7. The cap 5 with both a pair of elastic arms 14 that have stopper clicks 12 and a coil pressing part 18 is mounted on the holder 3 in the axial direction on fitting its groove 15 on the convex 16 of holder. When the brush is replaced, the arms 14 are held from both sides and the cap is shifted in the axial direction. In this way, the brush can exactly held and can easily be replaced. COPYRIGHT: (C)1980,JPO&Japio

Inventors

• 👤 Sozaburo Ozaki
• 👤 Isao Sotooka

Bibliographic Details