Printing – Flexible-sheet-securing devices
Patent
1982-07-15
1984-01-24
Eickholt, E. H.
Printing
Flexible-sheet-securing devices
B41F 2706
Patent
active
044269315
ABSTRACT:
Device for keeping a lower covering layer of a two-layer covering on the cylindrical surface of a printing-press cylinder, the two-layer covering also including an upper covering layer covering the keeping device for the lower covering layer, the keeping device for the lower covering layer comprises a keeper rod having a substantially circular cross section and extending along the length of the printing-press cylinder, the keeper rod being braced at one end and at two axially parallel contact locations against the printing-press cylinder so as to position the keeping device in register and in inherently stable condition in circumferential and lateral directions, and locking pins disposed on and distributed in register-maintaining positions along the length of the keeper rod, the locking pins having respective head ends with different length-to-width ratios in the cross section thereof, the head ends being in cooperative engagement in correspondingly shaped holes formed in the lower covering layer.
REFERENCES:
patent: 1651924 (1927-12-01), Lichtenstein
patent: 2712789 (1955-07-01), Leeberg
patent: 3552314 (1971-01-01), Skinner
patent: 3874292 (1975-04-01), Parsley
patent: 3882775 (1975-05-01), Lytle et al.
patent: 4090444 (1978-05-01), Stearns
Eickholt E. H.
Heidelberger Druckmaschinen Aktiengesellschaft
Lerner Herbert L.
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