Material handling vehicle
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
May 18, 2006
app pub date -
Sep 8, 2005
filing date -
Sep 8, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A material handling vehicle including a structure having ground engageable propulsion means and material handling apparatus mounted on the structure for movement relative thereto. The material handling apparatus has a first part and a second part. A first fluid operated actuator moves the first part relative to the structure, and a second fluid operated actuator moves the second part relative to the first part. An operator control generates a fluid pressure control signal. A first control valve supplies fluid pressure to the first actuator, a second control valve supplies fluid pressure to the second actuator in response to the fluid pressure control signal, and a modulating valve varies the fluid pressure control signal. An electronic control unit operable to control the modulating valve in accordance with a desired operation of the material handling apparatus.
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