A - Human Necessities – 01 – C
Patent
A - Human Necessities
01
C
111/33.1
A01C 7/20 (2006.01) A01C 7/04 (2006.01)
Patent
CA 1237022
DISK MOUNTING MECHANISM Abstract of the Disclosure An arrangement for mounting a disk on a rotatable hub has a raised portion at the center of the hub for receiving a slot of similar shape and slightly larger size at the center of the disk and an elongated handle mounted on and having a cross- sectional shape similar to that of the raised portion. The handle which is rotatably and slidably disposed on a shaft mounted on the raised portion is movable along the shaft in a direction away from the raised portion against the resistance of a coil spring encircling the shaft and residing between the elongated handle and a keeper at the end of the shaft opposite the raised portion. With the disk mounted on the hub so as to position the raised portion of the hub within the slot, rotation of the elongated handle causes opposite portions of the handle to engage and ride up on an opposite pair of partially circular camming ramps having heights which gradually increase along the lengths of the ramps. The handle is rotated until the opposite portions of the handle encounter and become seated within opposite detents within the tops of the camming ramps. Removal of the disk from the hub is accomplished by turning the handle to unseat the opposite portions thereof from the detents and allow them to ride down the opposite camming ramps to the slot, whereupon the disk can be lifted off of the hub.
464740
Webber Jerry D.
Borden Ladner Gervais Llp
Deere & Company
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