Construction of supporting shaft of roll of paper

Details Construction of supporting shaft of roll of paper Construction of supporting shaft of roll of paper

1991-03-12

1993-09-14

Stodola, Daniel P.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 72R, B65H 6500, B65H 6700, B65H 1910

Patent

active

052441636

ABSTRACT:
A supporting shaft of a paper roll supports the paper roll and is supported by first to third supporting elements contacting internally an inner circumferential surface of a core cylinder of the paper roll at three circumferentially spaced points, as seen in a longitudinal direction of the core cylinder. A first supporting member provided with the first supporting element and a second supporting member provided with the second supporting element are fixed in opposition to each other by means of a short and small size core shafts or spindles provided at opposite longitudinal ends of the two supporting members. Since the shafts fixedly mounting the first and second supporting members are of small size, the paper roll supporting shaft can be reduced in weight, assembly can be improved, cost of production can be reduced.

REFERENCES:
patent: 1138675 (1915-05-01), Lockwood
patent: 1337017 (1920-04-01), Kenworthy
patent: 1573183 (1926-02-01), Mehlum
patent: 1658799 (1928-02-01), DeVogel
patent: 1977668 (1934-10-01), Dallas
patent: 2499869 (1950-03-01), Luchansky
patent: 3922082 (1975-11-01), Cavallaro
patent: 4541710 (1985-09-01), McLeish
Patent Abstracts of Japan, vol. 8, No. 240 (M-336)(1677) 6 Nov. 1984Pand Jp-A-59 118 647 (Fuji Xerox) 9 Jul. 1984 * abstract *.

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