Hydraulic drive for pull through doctor blade transfer system

Details Hydraulic drive for pull through doctor blade transfer system Hydraulic drive for pull through doctor blade transfer system

1990-06-07

1991-04-16

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Attachments

Moving surface scraper, wiper, or brush

100174, 162281, B08B 102

Patent

active

050071327

ABSTRACT:
In a pull through doctor blade transfer system wherein a coiled blade is payed off one rotatable reel while simultaneously being taken up on another rotatable reel, with an intermediate portion of the blade between the reels being supported in a blade holder arranged to apply the blade to a moving surface to be doctored, each reel is driven by a hydraulic motor. In operation, hydraulic fluid discharged from the motor driving the take up reel is fed to the motor connected to the pay off reel. This fluid is pumped to a high pressure by blade induced rotation of the pay off motor, thus creating a braking torque.

REFERENCES:
patent: 2664792 (1954-01-01), Cook
patent: 3781107 (1973-12-01), Ruhland
patent: 3847480 (1974-11-01), Fisher
patent: 4528067 (1985-07-01), Hedberg
patent: 4691406 (1987-09-01), Goodnow et al.

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