Fluid handling – With casing – support – protector or static constructional... – Vehicle
Patent
1975-10-16
1976-12-28
Cohan, Alan
Fluid handling
With casing, support, protector or static constructional...
Vehicle
239177, B05B 300
Patent
active
039995690
ABSTRACT:
Irrigation sprinkling apparatus according to the present invention may include structural means for supporting at least a portion of a mobile sprinkling apparatus that is adapted in use for rotation about a fixed point for irrigating a generally circular ground area. Each of the mobile base structures for the irrigation apparatus will include ground contacting elements such as wheels, tracks or other devices that serve to propel the respective mobile base over the land area during irrigation operations. Each of the ground contacting elements is supported for rotation relative to the respective portion of the mobile base to which it is connected and is positionable in an operating position that substantially establishes an arcuate track about said fixed point during irrigation operations and is rotatable substantially 90.degree. from said operating position for allowing substantially linear movement of said irrigation sprinkling apparatus. Adjustment means is provided, allowing each of the ground contacting elements of each of the mobile bases to be adjusted relative to the respective mobile base so as to establish precise tracking of a circular arc about the fixed point of rotation.
REFERENCES:
patent: 3230969 (1966-01-01), Purtell
patent: 3361360 (1968-01-01), Purtell
patent: 3583639 (1971-06-01), Cornelius
patent: 3926372 (1975-12-01), Johnson
Lindner Herbert E.
Mertaugh Jack E.
Cohan Alan
Gifford-Hill & Company, Inc.
Michalsky Gerald A.
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