Patent ID: 6854571
Filing Date: 2005-02-15
Classification: B60K,B60T,F16D,F16H

Abstract:
1. An electromagnetic brake interposed between a fixed housing and a rotating member at least partially accommodated in said fixed housing, comprising: a multiplate brake mechanism having a plurality of brake plates mounted on said fixed housing and a plurality of brake discs mounted on said rotating member so as to be arranged in alternate relationship with said brake plates; a ringlike core member fixed in said fixed housing, said core member having an annular groove and a first outer diameter; an annular exciting coil accommodated in said annular groove of said core member; a ringlike armature member arranged in opposed relationship with said annular groove of said core member, said armature member having a second outer diameter larger than said first outer diameter; and a cylindrical pressure member provided so as to surround the outer circumferential surface of said core member and be movable in a direction of pressing said multiplate brake mechanism as being guided by said core member, said pressure member having a first end fixed to an outer circumferential portion of said armature member and a second end engaged with said multiplate brake mechanism.