Paper roll supporting and holding device with expansible end sup

Details Paper roll supporting and holding device with expansible end sup Paper roll supporting and holding device with expansible end sup

1991-07-09

1993-12-07

Stodola, Daniel P.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 682, B65H 7518, B65H 1602

Patent

active

052677044

ABSTRACT:
A supporting and holding device in which end supporting members are coupled to both ends of a core of a roll of paper, and are then supported by holding members in the sheet supplying section of an image forming apparatus. Flanges of the end supporting members enable the roll of paper to roll with the aid of the holding member, so as to supply a sheet of paper from the roll of paper. Each end supporting members includes a main member which is inserted into the core of the roll of paper, and an auxiliary member which is inserted into the main member. The main member has a plurality of arm members which are inserted into the core of a roll of paper; and a first flange member integral with the arm members is to be and is to be positioned outside the roll of paper. The first flange includes an axial through-hole extending therethrough. The auxiliary member has a second flange; and a pipe-shaped member which is integral with the second flange. The pipe-shaped member includes a set of first protrusions and is configured to be inserted into the axial through-hole of the main member to push the arm members of the main member against an inner wall of the core when the auxiliary member is rotated through a predetermined angle, thereby securing the end supporting members to both ends of the roll of paper.

REFERENCES:
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patent: 1941495 (1934-01-01), Schoultheis
patent: 2134475 (1938-10-01), Green
patent: 2219124 (1940-10-01), Bandy
patent: 2917249 (1959-12-01), MacLelland
patent: 3157405 (1964-11-01), Hafemeister
patent: 3667696 (1972-06-01), McCarthy
patent: 4315608 (1982-02-01), Bettenhausen
patent: 4339094 (1982-07-01), Thievessen et al.
patent: 4512079 (1985-04-01), LeBlond
patent: 4795106 (1989-01-01), Weiss et al.
patent: 4971265 (1990-11-01), Koch

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