Patent ID: 6371259
Filing Date: 2002-04-16
Classification: F16D,F16J

Abstract:
A drum brake structure for a wheel of an all-terrain vehicle, said drum brake structure comprising:a brake drum directly attachable to the wheel, said brake drum having a substantially circular peripheral rim and an annular flange located at said substantially circular peripheral rim; a fin provided on an outer peripheral surface of said brake drum for dissipating heat; a seal member provided in an opening edge of said brake drum, said seal member including a first lip; a brake panel fitted at a vehicle side, said brake panel having a substantially circular periphery and an annular overhang located at said substantially circular periphery, said annular overhang of said brake panel overlying said annular flange of said brake drum to thereby create a labyrinth structure between said brake panel and said brake drum; a plate fitted to said brake panel for abutting said lip of said seal member for sealing a gap between said rim of said brake drum and said plate of said brake panel; and a brake shoe provided in a space formed by said brake panel and said brake drum.