Patent ID: 6119825
Filing Date: 2000-09-19
Classification: F16D

Abstract:
A braking apparatus for use with a rotatable shaft, said braking apparatus comprising:a frictional disk connected to said shaft and rotatable therewith;an armature plate axially movable into and out of engagement with said frictional disk;an electromagnetic coil assembly operative to effect axial movement of said armature plate in a first axial direction;at least one spring element applying an axial spring force to said armature plate in a second axial direction opposite to said first axial direction; andan adjusting mechanism engaging said at least one spring element to permit adjustment of said spring force upon rotation of a rotatable adjusting element, said rotatable adjusting element being substantially axially stationary during rotation thereof with respect to a housing structure of said braking apparatus, said adjusting mechanism including an annular ring interconnecting said adjusting element and said housing structure to permit relative rotation therebetween.