The ornamental design for a brush for machines, as shown and described.
The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.
1. Brush for machines
1.1 : Front
1.2 : Perspective
1.3 : Front view in actual usage
Fig. 1.3. shows the product in its actual use; carbon brush is attached to air vent/flap of air outlet or inlet of a HVAC (heating, ventilation, air conditioning) system or device.
In the reproductions, the broken lines are for the purpose of illustrating environment only and form no part of the claimed design.