Patent ID: 6513630
Filing Date: 2003-02-04
Classification: F16D

Abstract:
A double-wound band braking device for use in braking a rotary member, comprising:an annular intermediate band with a friction surface formed on an inner peripheral side thereof; a pair of annular outer bands each with a free end secured to face a free end of said intermediate band and each with a friction surface formed on an inner peripheral side thereof; an anchor portion formed at an operational end side of at least one of said intermediate band and said outer bands, and to be latched to a casing side of a main body; and an applied portion formed at said operational end side of the other of said intermediate band and said outer bands, and adapted to receive a force in a direction in which said intermediate band and said outer bands are contracted; and deformation amount balancing means for balancing an amount of elastic deformation of said intermediate band and an amount of elastic deformation of said outer bands, wherein said deformation amount balancing means includes a hook secured to said anchor portion and that latches said outer bands such that said outer bands are contracted by a predetermined amount.