Patent ID: 6412613
Filing Date: 2002-07-02
Classification: B60T,F16D

Abstract:
A brake unit for an apparatus, said brake unit comprising:a main housing defining a cavity, said main housing being adapted to be mounted to said apparatus; a coil housing fixedly secured to said main housing, said coil housing further defining said cavity; a sleeve member rotatably supported relative to said main housing, said sleeve at least partially disposed within said cavity and adapted to engage a rotatable member of said apparatus; a plurality of driving friction discs disposed within said cavity and rotatable with said sleeve; a plurality of driven friction discs disposed within said cavity and non-rotatably supported by said main housing; an actuating disc axially translatable within said cavity for selectively engaging and disengaging said plurality of driving and driven friction discs; and a plurality of electromagnetic coil assemblies fixedly secured to said coil housing; said plurality of electromagnetic coil assemblies each having a coil winding electrically communicating with a printed circuit board and a coil stator electrically communicating with said coil housing, said plurality of electromagnetic coil assemblies being fixedly secured to said circuit board.