B - Operations – Transporting – 60 – S
Patent
B - Operations, Transporting
60
S
15/14
B60S 3/00 (2006.01)
Patent
CA 1038116
ABSTRACT OF THE DISCLOSURE Apparatus and method is disclosed for washing out the interiors of truck and trailer bodies. A washer head is carried on an elongate boom which is mounted on a pedestal for traversing movement along a horizontal axis. The boom is moved by means of a drive motor which is in engagement with a chain having its opposite ends secured to opposite ends of the boom. The washer head includes a frame which is mounted on an end of the boom for pivotal movement between elevated and lower positions, The frame is constructed in a four-bar linkage arrangement for movement through a lateral angle to accommodate any misalignment as the boom enters the trailer. A cam engages a hoist are connected with the frame of the washer head, and a motor is controlled to rotate the cam for raising and lowering the washer head. The washer head mounts a brush which is operated as the boom withdraws from the trailer interior. A series of spray nozzles on the washer head are connected through flexible hoses with conduits carried on the boom, and these conduits in turn are connected with flexible hoses which are supported on a floating linkage. Photocells and limit switches are provided for controlling the operating functions in such a manner that the operator need only back the trailer into a position for initiating forward movement of the boom into the trailer as deter- gent is being sprayed. The control system automatically withdraws the boom from the trailer as brushing and rinse spray action progress, and the operator then drives the trailer forward for completion of the washing cycle.
242259
Crandall Clyde O.
Douglas Charles D.
LandOfFree
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