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Abstract

A fiber processing machine for forming a fiber lap from fiber tufts includes a generally vertically oriented reserve chute, a generally vertically oriented feed chute having an inlet adjoining the outlet of the reserve chute, and a fiber feeding assembly drawing fiber from the reserve chute and advancing fiber into the feed chute. The fiber feeding assembly includes a generally horizontally oriented feed roll having a rotary axis extending parallel to the horizontal width of the reserve chute, and a feed tray array cooperating with the feed roll and being composed of a series of individual feed trays lined up along the feed roll and rotatable about an axis. Each feed tray defines a nip with the feed roll. Measuring elements are coupled to each feed tray for emitting signals representing an extent of excursion of the respective feed tray as the fiber material passes through the respective nip. A control and regulating device is connected to the measuring elements for receiving the signals therefrom. Movable wall elements are arranged side-by-side parallel to the reserve chute width and form part of at least one of the reserve chute walls. Setting members are connected to the wall elements for moving the wall elements in sections in a direction parallel to the reserve chute depth for varying the size thereof.

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First Claim