Chapter 7
Mechanical Rubbing System
7.1 Structure
1. Motor
2. Bumping Wheel
3. Brush Base
4. Brush coupling Flange
5. Brush deck lifting arms
6. Brass bushings
7. Fixing and adjustment plate
7.2 Description:
The washing function of the machine
is obtained by the interaction of the
cleaning solution with the dirt present
on the floor.
To facilitate and enhance this inter-
action, is used a system of mechanical
rubbing which consists in a device
which rubs on the floor.
This device can be of various nature
(pad or brush), in each case, its function
is to mechanically remove the dirt from
the ground and facilitate the reaction
between the dirt and cleaning solution.
A direct current electric motor con-
nected to a case of gear reduction
provides the rotational movement of the
brush coupling flange.
To the flange is coupled the brush
(or the pad holder provided with pad)
that rotates together with the flange.
After lowering the base to the ground,
the brush touches and rubs on the
floor providing the desired mechanical
rubbing.
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