Patent ID: 7073637

Claim:
A double-wrap band brake apparatus which has a double-wrap brake band comprising: an annular intermediate band with a frictional surface formed on an inner periphery thereof; a pair of annular outer bands secured to a free end of said intermediate band in a state that respective free ends of said outer bands oppose to each other, said outer bands having frictional surfaces respectively formed on inner peripheries thereof; an anchor bracket secured to operating ends of said outer bands to be latched on a side of a main body casing; and an apply bracket secured to an operating end of said intermediate band and having an apply portion disposed to receive a force from an actuator in a direction in which the intermediate band and the outer bands are constricted, wherein there is provided a center deviation correcting ring having a plurality of correcting pieces coupled to each other by an annular member and disposed to contact in a slidable manner with outer peripheral surfaces of said outer bands and an outer peripheral surface of said intermediate band in order to correct a center deviation between said intermediate band and said outer bands.