US PATENT SUBCLASS 291 / 25
SAND FEEDERS
Current as of: June, 1999
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| 291 / | HD | TRACK SANDERS |
|
| 25 |  | SAND FEEDERS {8} |
| 26 | DF | .~> Reversing |
| 27 | DF | .~> Chain |
| 28 | DF | .~> Oscillatory {3} |
| 32 | DF | .~> Rotary |
| 33 | DF | .~> Screw |
| 34 | DF | .~> Longitudinal slide |
| 35 | DF | .~> Pivoted slide |
| 36 | DF | .~> Vertical plunger {1} |
DEFINITION
Classification: 291/25
Devices for releasing the sand so that it may fall by gravity to the wheel or track. The term "sand-feeders" is also used to include devices for stirring up sand in the hoppers preliminary to feeding it out.
SEE OR SEARCH CLASS
222, Dispensing, appropriate subclasses for dispensers in general.