Bending compensated printing web deflection roller

Details Bending compensated printing web deflection roller Bending compensated printing web deflection roller

1991-03-11

1991-10-01

Fisher, J. Reed

Printing

Rolling contact machines

Rotary

291162, B41F 1308, B41L 3500

Patent

active

050522949

ABSTRACT:
To provide a pre-bending stress on a shaft (1) supporting a plurality of bearings (2, 3) which, in turn, support a roller sleeve (4), the shaft is fitted at the end portions thereof into a sleeve (5) formed with radial projections (6, 7). The sleeve is pivotably retained in a support holder (8, 9) having projecting jaws (8), fitting around the projections (6, 7) of the sleeve. Coupling pins or bolts (13) pivotably or tiltably interconnect the sleeve and the jaws. To provide a pre-stressing tilt against the ends of the shaft, engagement or adjustment screws (18, 19) can lock the projections (6, 7) extending from the coupling sleeve (5) in predetermined pivoted or tilted position with respect to the side walls (11) of the machine, to which the support holder (9) is secured. Preferably, a part-spherical interposed coupling is located between a head and counter nut of the adjustment bolts.

REFERENCES:
patent: 4068360 (1978-01-01), Freuler
patent: 4095856 (1978-06-01), Markovitz
patent: 4637109 (1987-01-01), Bryer
patent: 4793250 (1988-12-01), Nistanen

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