A - Human Necessities – 01 – C
Patent
A - Human Necessities
01
C
111/7
A01C 11/02 (2006.01)
Patent
CA 1142798
ABSTRACT In a device for mechanically planting forest trees produced in containers, many complicated systems have been devised. In this invention the planting mechanism receives the seedling by gravity through a loading tube and upon command of the operator a hydraulic jack forces the planting mechanism consisting of dibble, packing wheels and tree ejector, verti- cally into the ground. As the dibble approached the desired planting depth the packing wheels contact the ground and move upward relative to the dibble until contacting stopper blocks. In so doing, a mechanical linkage with the packing wheel aims activates an ejector mechanism and the seedling is pushed from the dibble. At this point sufficient downward pressure is exerted by the packing wheels to fill the planting hole with soil and thus plant the seedling in a vertical position at the desired depth. Packing is accomplished on both sides of the seedling, rather than one, ensuring perfect soil contact with the roots. Planting depth can be adjusted by replacing the ejector cradle with one to raise or lower the seedling relative to the packing level. Another seedling may be placed in the loading tube while planting is in progress and it is released into the dibble when the dibble returns to rest. The major advantage of this invention is it's simplicity in combining all necessary mechanisms into one unit which requires no special timing for sequential operations. It relies almost exclusively upon mechanics rather than complicated hydraulic operations which require precise timing for sequential operations.
405990
Flowers John F.
Flowers John F.
LandOfFree
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