Vacuum trailer
AssigneeHaybuster Manufacturing, Inc.
InventorHarry L. Williamson
Life of this patent
Estimating the term…
Abstract
A vacuum trailer for picking up litter in cut and uncut grass areas having a frame towable behind a tractor. The trailer has a fan to generate a suction force which is powered by the power take-off shaft of the tractor. A closed container receives the litter and the litter is volumetrically compressed inside the container and then discharged from the container. A pivoting intake and exhaust deck is provided to maintain a constant distance from the ground during operation and to allow for fast transporting of the trailer.
Claims19
A vacuum trailer for picking up litter from a ground surface having a frame towable behind a prime mover, the vacuum trailer having impeller means for creating a suction force to collect the litter, comprising:
- containing means on the trailer connected to an output of the impeller means for containing collected litter, the containing means having a first air exhaust means for expelling air therefrom and a first filter means adjacent the first air exhaust means for filtering the expelled air;
- intake means connected to the impeller means to apply the suction force for collecting litter;
- support means for supporting the intake means, the support means pivotally connected to the frame;
- compressing and discharging means in the containing means for compressing compressible collected litter and discharging the litter from the containing means;
- and
- receiving means for receiving the discharged litter, the receiving means having a receiving deck carried on the frame.
A vacuum trailer for picking up litter having a frame towable behind a tractor, the vacuum being powered by the tractor's power take-off shaft, the vacuum trailer having a centrifugal fan housed in a fan shroud for providing a suction force at an intake and having an air outlet, the invention comprising:
- a closed container in communication with the outlet of the fan shroud for receiving litter, the containing means having a first air exhaust means for expelling air therefrom and a first filter means adjacent the first air exhaust means for filtering the expelled air;
- a pivotable intake and exhaust deck, the intake and exhaust deck having an exhaust manifold and a suction mouth, the exhaust manifold having a plurality of exhaust ports which are connected to the first air exhaust means of the closed container by flexible coupling conduits, the suction mouth being positioned adjacent to the exhaust ports and connected to the intake of the fan shroud via a flexible coupling conduit, a hydraulic cylinder mounted to the frame and operably connected to the pivoting intake and exhaust deck to control pivoting thereof, the pivoting intake and exhaust deck having gauge wheels to keep the suction mouth a constant distance from the ground;
- a helical auger mounted inside the closed container to volumetrically compress compressible collected litter the helical auger discharging the litter through an exit opening in the closed container;
- and
- receiving means for receiving the discharged compressed litter on the frame.
Dependencies are inferred from the claim text.