| 摘要 |
A lumber stacking apparatus is described having a reciprocating carriage with a forked arm assembly for picking up a course of boards at a course pickup station and carrying the course to a course stacking station. The carriage is provided with a crank drive mechanism for reciprocating the carriage. The crank drive mechanism has a crank shaft with a cam thereon that operates a bell crank to, (1) raise the forked arm assembly at the course pickup station to pick up a course of boards; (2) maintain the forked arm assembly elevated during movement to the course stacking station, and (3) lower the forked arm assembly at the course stacking station in front of a stripping means.
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