Boomless automated side loader for refuse collection vehicle having lift arm with non-extendable upper end
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United States of America Patent
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Dec 30, 1997
Grant Date -
N/A
app pub date -
Jun 5, 1996
filing date -
Jun 5, 1996
priority date (Note) -
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Abstract
A lift arm is pivotally supported between its upper and lower ends on the outer ends of a pair of horizontal support rails. The support rails slide beneath the body of the refuse collection vehicle across its width. A pair of opposing refuse container grippers are mounted on a carriage that reciprocates along the length of the lift arm to a curved upper portion for dumping refuse from the container into a hopper section of body. The opposite sides of the curved upper portion of the lift arm are pivotally connected to the vehicle body adjacent the hopper section. A hydraulic piston and cylinder drive assembly is mounted between the horizontal rails beneath the vehicle body for extending and retracting the lift arm from the side of the body. The lower end of the lift arm follows a curvilinear or arcuate path during extension and retraction. The upper end of the lift arm does not extend when its lower end is extended so that refuse is always dumped at the same position relative to the hopper section of the vehicle body regardless of the amount of extension of the lift arm.
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