US 2004/0200694 A1 · Powered rotary board turner

Abstract

A method and apparatus of turning a board while the board is being transferred in a conveyance system includes a conveyance system for transporting a board, a rotary turning device for rotating the board, a bumper stop for restraining the board and a speed-up belt for increasing or decreasing delivery of the board. The rotary turning device rotates at a constant rate relative to the conveyance system speed; the bumper stop stops the flow of the lumber allowing the rotary turning device to pick up the board; the speed-up belt accelerates the board to the front of the lug space and the conveyance system transports the board while it is turned within the lug space.

Claims20

Dependent claims

A rotary board turner comprising a conveyor having discreet board engaging means in spaced relation therealong defining board carrying spaces therebetween for carrying boards aligned across a downstream flow direction,

an acceleration means for accelerating a board in a board carrying space to the downstream most end of the space,
a rigid stop in a board engaging position so as to engage the board in the space when at the downstream-most end of the space,
at least one driven rotator arm for engaging the underside of the board once engaged against the stop so as to rotate the board one hundred eighty degrees over the stop and so as to deposit the board towards the upstream end of the board carrying space.

Dependencies are inferred from the claim text.

Powered rotary board turner

Life of this patent

Powered rotary board turner

Life of this patent

Abstract

Claims20