A - Human Necessities – 01 – C
Patent
A - Human Necessities
01
C
111/34
A01C 7/12 (2006.01) A01C 7/08 (2006.01)
Patent
CA 2030249
A clutching mechanism for a seed meter incorporates a spring wrapped clutch for selectively disengaging a seed meter on a seed drill in order to tramline fields for agricultural purposes. A common shaft rotates and dispenses seeds from a series of seed meters on the drill. The spring wrapped clutch of the present invention allows for disengagement of singular meters from the rotational actuation of the common shaft. The seed metering incorporates a rotatable drum which dispenses the seed as it is turned. The drum is attached to a driven element which is further attached to a spring. The spring compressibly holds a driving element attached to the rotatable shaft. A selective engagement of the spring causes a decompression on the driving element and consequently, stops the rotation of the seed drum within the seed meter.
Lafferty James G.
R. William Wray & Associates
LandOfFree
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