Apparatus for trimming and sorting switch ties
United States Patent 2938552

Inventors:
Rogers, Thomas G.
Publication Date:
05/31/1960
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Assignee:
Southern, Wood Preserving Compa
Primary Class:
144/4.800
Other Classes:
209/520, 83/102, 83/369, 144/3.100
International Classes:
B07C5/14; B07C5/04
US Patent References:
2616449Pilot operated solenoid controlled valve
2636601Lumber sorter
2729248Board trimming, sorting, and stacking apparatus
2778474Multidirectional lumber transfer mechanism and method
2835385Lumber sorting conveyor
2876815Method of and apparatus for trimming and sorting switch ties