Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1988-10-31
1989-08-29
Goldberg, Howard N.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
291161, 291295, 29130, B21B 1302
Patent
active
048604160
ABSTRACT:
A variable-crown roll comprises a straight arbor, and a plurality of antifriction bearings which are mounted on the arbor, each of the bearings having a cylindrical outer surface which is sloped with respect to the outer surface of the arbor, the bearings being symmetrically disposed with respect to the lengthwise center of the arbor, the slopes of the outer surfaces of the bearings on one side of the lengthwise center of the arbor being symmetric with respect to the slopes of the outer surfaces of the bearings on the other side of the lengthwise center.
REFERENCES:
patent: 851419 (1907-04-01), Hess
patent: 1834501 (1931-12-01), Smelik et al.
patent: 2635300 (1953-04-01), Butler
patent: 2771658 (1956-11-01), Morrill
patent: 3406438 (1968-10-01), Reilly
patent: 3419890 (1968-12-01), Justus
patent: 3505716 (1970-04-01), Moser
Hirooka Eiji
Masui Takeshi
Matsumoto Yoshiro
Tomizawa Atsushi
Cuda Irene
Goldberg Howard N.
Sumitomo Metal Industries
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