Combined single-twin street sweeping machine

Details Combined single-twin street sweeping machine Combined single-twin street sweeping machine

2006-12-19

2006-12-19

Redding, David (Department: 1744)

Brushing, scrubbing, and general cleaning

Machines

Brushing

Reexamination Certificate

active

07150062

ABSTRACT:
A surface cleaning vehicle is provided with hydraulically driven sweeping machinery. The vehicle comprises a truck chassis for carrying the sweeping machinery and a prime mover engine for propelling the vehicle. A second engine is connected to said chassis, and first and second pumps and associated check valves are connected to respective ones of the prime mover and second engines for driving said sweeping machinery. A control mechanism is provided for selectively connecting only one of the prime mover engine or second engine to drive the sweeping machinery.

REFERENCES:
patent: 3854160 (1974-12-01), Hildebrand et al.
patent: 5077920 (1992-01-01), Farrell

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