Equipment for digging ground without destructive excavation work
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 19, 2000
Grant Date -
N/A
app pub date -
Nov 22, 1999
filing date -
Mar 17, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Equipment for digging ground in urban areas includes a hinged support and maneuvering arm (3), an omnidirectional damping device (36), a vibration or oscillation generator (38), a motor (40) and a tool (28) which is made to rotate by the motor and provide with a helical structure with a tip (28B) designed to penetrate in screw fashion into the ground and act thereon it by the vibrations received, so as to dislodge it and break it up.
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International Classification(s)
Cited Art Landscape
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