Patent ID: 8893860
Filing Date: 2014-11-25
Classification: B60T,E02F,F16D

Abstract:
1. A brake device for a work vehicle adapted to be disposed within an axle housing of the work vehicle, the brake device comprising: a brake unit including a brake disc plate, and a piston having a slide portion slidably supported by the axle housing and a pressure portion on which a pressure surface is formed for pressing the brake disc plate; and a slack adjuster mechanism that maintains a clearance between the piston and the brake disc plate at a predetermined clearance by mechanically adjusting a non-actuated position of the piston, the slack adjuster mechanism being formed by a member arranged on a piston rear surface side disposed on an opposite side from the brake disc plate and arranged further on an inner peripheral side than a slide portion of the piston, the member disposed further on the piston rear surface side than a pressure portion side end surface of the piston, wherein the slide portion of the piston is formed in a tubular shape and axially protruding from a lateral surface opposite to the pressure surface of the pressure portion, the slack adjuster mechanism includes each of the cases includes sequentially from a brake unit side along an axial direction