Device for cyclically lifting and lowering a lifting sucker in a

Details Device for cyclically lifting and lowering a lifting sucker in a Device for cyclically lifting and lowering a lifting sucker in a

1996-06-24

1999-11-16

Terrell, William E.

Sheet feeding or delivering

Feeding

Separators

271102, 271107, B65H 342

Patent

active

059842962

ABSTRACT:
Device for cyclically lifting and lowering at least one lifting sucker in a feeder of a sheet-processing machine, wherein a sheet lifted by the lifting sucker is transferred to at least one pull sucker for further transport, the lifting sucker being operatively connected by a lifting-sucker transmission to a cyclically controlled drive, the lifting-sucker transmission including a coupler having a joint steplessly bringable onto various cam paths in accordance with a selective suction position of the lifting sucker, all of the cam paths having a common intersecting point.

REFERENCES:
patent: 2159456 (1939-05-01), Spiess
patent: 3809389 (1974-05-01), Wirz
patent: 4589649 (1986-05-01), Prescher
patent: 4940221 (1990-07-01), Wirz et al.
patent: 5613671 (1997-03-01), Fricke et al.

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