Controlling arrangement
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United States of America Patent
Stats
-
Jan 14, 1986
Grant Date -
N/A
app pub date -
Jan 22, 1985
filing date -
Jan 22, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Controlling arrangements of the type used for aligning a load engaging assembly with a load to be lifted tend to be bulky, costly, unable to accurately position the load engaging assembly with the load to be lifted, and unable to accommodate different types of load supporting structures. A controlling arrangement having a signal assembly having first and second spaced apart portions is provided. The first portion is adapted to deliver a first signal and receive a reflection of the first signal and the second portion is adapted to deliver a second signal and to receive a reflection of the first signal. A single sensing device is adapted to receive the reflected signals and a selecting device controls the operation of the first and second signal assembly portions. Therefore, the problems of bulk, cost, inaccuracy and flexibility are eliminated. The controlling arrangement is particularly suited for use on a material handling vehicle.
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