Control system for an excavator thumb and a method of controlling an excavator thumb
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 14, 2002
Grant Date -
N/A
app pub date -
Jul 6, 2001
filing date -
Jul 6, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A control system and method of using a control system for a thumb on an excavator allows the thumb to follow a workpiece held in a bucket when the bucket moves. The thumb control circuit is activated by the press of a button and thereafter maintains a constant reduced close fluid pressure of the extend port of the thumb cylinder until the open control is actuated.
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Family
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Cited Art Landscape
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