Floor cleaning machine

Details Floor cleaning machine Floor cleaning machine

2004-09-15

2008-12-09

Guidotti, Laura C (Department: 3723)

Brushing, scrubbing, and general cleaning

Machines

Brushing

C015S049100, C015S085000

Reexamination Certificate

active

07461428

ABSTRACT:
A floor cleaning machine includes a driven brush for sweeping debris and dirt into a dirt container which is supported by a retracting arm actuated by a powered actuator, such as an hydraulic cylinder, between a use position in which said dirt container is sealed to a dirt discharge opening to collect all the dirt, and a raised, dumping position. Between the use position and the dumping position, the dirt container is maintained in the same disposition to avoid inadvertent spillage of its contents, by the cooperation of an articulating linkage which includes an auxiliary arm. The auxiliary arm is releaseably fixed to the machine by a latch to maintain the desired disposition of the dirt container while raising the container. When the dirt container is raised to the dumping position, and the latch is released, the dirt container pivots to dump its contents. A stop device limits the rotation of the dirt container such that when the dirt container is returned, after dumping, to the normal use position, the latch is automatically re-secured.

REFERENCES:
patent: 4178647 (1979-12-01), Wolynec et al.
patent: 5027464 (1991-07-01), Knowlton
patent: 5377376 (1995-01-01), Wood et al.

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