Method and apparatus for precise positioning of a seed disk...

Details Method and apparatus for precise positioning of a seed disk... Method and apparatus for precise positioning of a seed disk...

A - Human Necessities

01

C

111/34

A01C 7/04 (2006.01)

Patent

CA 1265706

METHOD AND APPARATUS FOR PRECISE POSITIONING OF A SEED DISK IN A SEED METER Abstract of The Disclosure In a seed meter in which a seed disk is rotatably mounted within a housing, a method and apparatus are provided for positioning the seed disk within the housing so that the peripheral portion of the seed disk is located a desired, relatively uniform distance from an adjacent peripheral portion of the housing. A shaft having a threaded outer portion is rotatably mounted within the housing and a hub having a threaded aperture therein is positioned on and turned relative to the threaded outer portion of the shaft to begin advancing the threaded aperture onto the shaft. The seed disk is then mounted on the hub, following which rotation of the hub relative to the shaft is continued in a direction to advance the hub along the shaft toward the housing until a gap of desired size exists between the peripheral portion of the seed disk and the peripheral portion of the housing. The hub is then releasably secured on the shaft by inserting a pin through an aperture in the shaft and through an opposite pair of a plurality of slots spaced about the hub.

500766

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