Device for registering the rear edges of the sheets in sheet del

Details Device for registering the rear edges of the sheets in sheet del Device for registering the rear edges of the sheets in sheet del

1982-03-26

1984-06-05

Stoner, Jr., Bruce H.

Sheet feeding or delivering

Delivering

By endless conveyor

271182, 271218, 271223, 271224, B65H 2904

Patent

active

044524420

ABSTRACT:
A delivery mechanism for a sheet fed printing press in which a rear edge guide in the form of a traverse member guides the rear edges of the downwardly settling sheets into a condition of register. A brake assembly is provided for engaging the trailing edges of the sheets to decelerate them, the assembly being horizontally adjustable to accommodate sheets of different length and the traverse member being coupled by linkage to the brake assembly for simultaneous adjustment therewith. An intermediate stacking mechanism is provided having a horizontal frame and an intermediate pile receiver which is shiftable between a receiving position and an out-of-the-way position for temporarily accumulating sheets during a pile change. Detent assemblies at the ends of the traverse member lock the traverse member to the frame following horizontal adjustment. The frame of the intermediate stacking mechanism is adjustable in vertical position and the linkage for connecting the traverse member to the braking assembly is vertically extensible, being in the form of a pantograph, so that the traverse member serves as a positively positioned rear edge guide for both (a) the sheets deposited to form the intermediate pile and (b) the sheets subsequently deposited thereon to form a main pile thereby to maintain the rear edges of all of the sheets in register.

REFERENCES:
patent: 3796427 (1974-03-01), Reutter
patent: 3960374 (1976-06-01), Gaffney

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