Patent ID: 11858480
Assignee: SHUMAKER INDUSTRIES, INC.
Field: Control (Instruments)
Classification: CPC B  G | IPC B  G

Claim 15:
16. A ready mix truck wash system, comprising:
a frame adapted for receiving a ready mix truck during operation of the system, the frame including a plurality of corresponding frame members movable between a collapsed position and an extended position;
a plurality of nozzles supported at predetermined positions by the frame to direct a pressurized liquid for washing the ready mix truck;
a controller;
a plurality of sensors controlled by the controller for monitoring a position of the ready mix truck relative to at least one of the frame and the plurality of nozzles in preparation of operation and during operation of the system, wherein at least one of the plurality of sensors is movably positioned, relative to a support positioned on top of the frame, in vertical and horizontal axial directions and a rotational direction;
wherein at least one of the plurality of sensors is activated as a result of a beam being interrupted from an inside surface of a feed hopper of the ready mix truck; and
wherein in response to the ready mix truck being temporarily positioned at a first fixed position during operation of the system, a controlled predetermined volume of pressurized liquid is introduced into a barrel of the ready mix truck from the plurality of nozzles positioned on the top of the frame, the predetermined volume of pressurized liquid mixing with a concrete load in the ready mix truck.