Air boom sprayer trailer hitch and suspension

Details Air boom sprayer trailer hitch and suspension Air boom sprayer trailer hitch and suspension

1992-10-13

1994-08-09

Merritt, Karen B.

Fluid sprinkling, spraying, and diffusing

With mobile tank-type supply means

Spray boom or bar type distributor

239172, 280 4323, 2804461, 2804551, 172324, 172679, A01B 5900, B05B 120

Patent

active

053358562

ABSTRACT:
A trailer mounted sprayer having an air boom supported from the trailer frame by a four-bar linkage movable by a hydraulic cylinder to adjust the elevation of the boom and with ground-engaging wheels rotatably attached to bell cranks mounted on the frame and pivotable by cylinders to control the ground clearance. Accumulators isolate the frame from shock loads created as the wheels traverse uneven ground and also isolate the boom from shock loads that would otherwise be transmitted from the frame to the boom. A draft member pinned to both the trailer and to the tractor pulling the trailer has hydraulic jacks to determine which of the pinned connections will control the pivotal movement between the tractor and the trailer.

REFERENCES:
patent: 4043403 (1977-08-01), Anderson et al.
patent: 4180133 (1979-12-01), Collogan et al.
patent: 4420169 (1983-12-01), Taylor
patent: 4681335 (1987-07-01), Ledermann et al.
patent: 4838358 (1989-06-01), Freudendahl
patent: 5098018 (1992-03-01), Hadar et al.

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