Patent ID: 6328140
Filing Date: 2001-12-11
Classification: F16D

Abstract:
A double wrap brake band apparatus disposed around an outer periphery of a rotatable drum, comprising:outer bands each having an inner peripheral surface to which a friction material is adhered;an intermediate band disposed between said outer bands and having an inner peripheral surface to which a friction material is adhered;a connection portion for connecting one circumferential ends of said outer bands and said intermediate band;first anchor means provided on circumferential free ends of said outer bands; andfirst apply means acting on said intermediate band; and whereinsecond anchor means or second apply means act on said connection portion, whereinsaid first anchor means comprises a first anchor bracket provided on the free ends of said outer bands and a first anchor pin for engaging and securing said first anchor bracket;said first apply means comprises a first apply bracket provided on a free end of said intermediate band and a first piston rod for urging said first apply bracket;said second anchor means comprises a second anchor bracket provided on said connection portion and a second anchor pin acting on said second anchor bracket; andsaid second apply means comprises a second apply bracket provided on said connection portion and a second piston rod for urging said second apply bracket.