Creeper drive system
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United States of America Patent
Stats
-
Oct 21, 1997
Grant Date -
N/A
app pub date -
Nov 17, 1995
filing date -
Nov 17, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A new creeper drive system has a hydraulic motor with first and second flow lines connected thereto. A directional valve apparatus is connected in the flow lines and the system has a flow control valve operable independently of the directional valve apparatus. The creeper drive system is particularly useful on a mobile construction machine. The machine hydraulic circuit needs but a single pump for powering the creeper drive motor and an auxiliary attachment motor and creeper direction and speed functions are independently adjustable.
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