Ground contacting boom height control system
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United States of America Patent
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N/A
Issued Date -
Jun 8, 2006
app pub date -
Jul 19, 2005
filing date -
Nov 5, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A ground-contacting boom height control system for a vehicle comprising a frame supported for rolling movement along the ground; an operator cab for supporting an operator of the vehicle therein; a pair of boom structures extending laterally outward from opposing sides of the frame for pivotal movement up and down relative to the frame; a lift cylinder coupled between each boom structure and the frame for lifting the boom structures, each lift cylinder including a lifting circuit for lifting the boom when receiving hydraulic fluid under pressure from a conventional valve control and a lowering circuit for lowering the boom when receiving hydraulic fluid under pressure from a conventional valve control, and a conventional hydraulic circuit including a reservoir and a pump for supplying the hydraulic fluid under pressure from the reservoir to the lift cylinders.
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