Patent ID: 11946268
Assignee: FORJAK INDUSTRIAL, INC.
Field: Chemical engineering (Chemistry)
Classification: CPC E  B | IPC B  E

Claim 10:
11. A system for treating a surface of a structure, the system comprising:
a vehicle being movable along a surface and comprising a frame and a mast movably coupled with the frame;
a carriage assembly supported by the mast, the carriage assembly comprising a main carriage and an accessory carriage that is movable with respect to the main carriage between a raised and retracted position and a lowered and extended position;
a surface treatment device coupled with the accessory carriage; and
a winch mounted on the main carriage and comprising a cable that is coupled with the accessory carriage, wherein:
the mast is operable for raising and lowering the carriage assembly;
the accessory carriage is vertically spaced apart from the main carriage when in the lowered and extended position;
the main carriage comprises a lowermost portion and when the accessory carriage is in the lowered and extended position;
the accessory carriage is vertically spaced apart from the lowermost portion of the main carriage; and
the winch facilitates raising and lowering of the accessory carriage between the raised and retracted position and the lowered and extended position.