Abstract of the DisclosureA lumber sorting apparatus wherein a bin collects gradedlumber. Flexible straps across the bottom are extended to expandthe lumber holding capacity. One end of the strap has a releas-able latch mechanism and latching of the strap (after dumpingthe lumber) is provided by a rigid pivotal arm that receives thelatch mechanism in a rewinding operation and pivots the latchmechanism into place for relatching. The arm member includes alength portion that spans the open bottom. Guide pins in thearm member on either side of the length portion define a straightreach across said length portion which is offset downwardly fromthe straps whereby lumber pieces dropped into the bin areprevented from impacting the rigid arm member.
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