Patent ID: 6371565
Filing Date: 2002-04-16
Classification: B60P

Abstract:
A dump system for pavement/street sweepers of the type having a frame upon which the dump system components are mounted, comprising:a debris container for receiving debris; a first and a second lift assembly for lifting the debris container between a lowered position and a lifted position; each lift assembly including an upright secured to the frame and extending thereabove, a lift arm pivotally connected to the debris container and also pivotally connected to its respective upright for relative pivotal motion between a lowered position and a lifted position, a fluid-actuated lift cylinder connected to the lift arm to move the lift arm and the connected debris container between the lowered and the lifted positions; a tilt-control fluid-actuated cylinder connected for rotating the debris container about its pivotal connection with the lift arm to an inclined attitude sufficient to dump debris from the debris container when the debris container is in its lifted position, and a fluid-actuated attitude-control cylinder connected between said lift arm and said debris container to maintain the debris container in a selected attitude while moved from at least the lowered position to the lifted position.