Retractable ground working device

E - Fixed Constructions – 01 – C

Patent

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Details

E01C 23/00 (2006.01) E01C 21/00 (2006.01) E01C 23/082 (2006.01)

Patent

CA 2280297

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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