Retractable ground working device
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United States of America Patent
Stats
-
Sep 4, 2001
Grant Date -
N/A
app pub date -
Sep 22, 1999
filing date -
Aug 18, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A ground working device formed of a frame having a lower surface, and plural individually retractable teeth secured to the frame and extending away from the surface in a ground contacting array. Teeth for the ground working device are formed as part of a retractable tooth assembly. A retractable tooth assembly preferably comprises a tooth carrier on one end of which a tooth is slidably mounted, and on the other end of which is mounted a tooth position fixative, with a position adjustable rigid link connecting the tooth position fixative and the tooth. The retractable tooth assembly preferably extends through the frame from a first side to a second side, the retractable tooth assembly being secured to the frame on the first side and the tooth forming a working end on the second side.
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