Delivery fan with undulated fan pockets

Details Delivery fan with undulated fan pockets Delivery fan with undulated fan pockets

1988-06-01

1990-05-15

Shaver, Kevin P.

Sheet feeding or delivering

Delivering

With transfer means between conveyor and receiver

271209, 271315, 74395, 744248R, B65H 2920

Patent

active

049251791

ABSTRACT:
A delivery fan includes a plurality of blades defining a fan pocket for receiving a signature. The plurality of blades includes two sets of blades. The blades of one set are axially equally spaced apart and define one side of the pocket. The blades of the other set are axially equally spaced apart and define the other side of the pocket. The blades of both sets of blades have surfaces for engaging opposite sides of the signature and for deforming the signature into undulations extending in a direction transverse to the direction of movement of the signature. While the signature is being engaged and deformed, the frictional contact between the signature and the surfaces in the pocket slows down the signature. This minimizes buckling and/or bouncing of the signature in the pocket.

REFERENCES:
patent: 1845600 (1932-02-01), Herr
patent: 1949152 (1934-02-01), Fankboner
patent: 4222556 (1986-09-01), Chapman et al.
patent: 4522387 (1985-06-01), Leuthold
patent: 4537390 (1985-08-01), Kiamco et al.
patent: 4600186 (1986-07-01), Von Hein et al.
patent: 4708355 (1987-11-01), Wake et al.
patent: 4709820 (1987-12-01), Jenkins et al.

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