Structure for mounting roller on shaft

Details Structure for mounting roller on shaft Structure for mounting roller on shaft

1983-11-18

1986-01-28

Wright, Jr., Ernest T.

Typewriting machines

Sheet or web

Including friction-feed means

4006391, 403289, 403290, 29116R, B41J 1302

Patent

active

045668159

ABSTRACT:
A structure having a shaft and a paper retaining roller mounted on the shaft for use in a printer. The structure further includes a retaining element mounted on the shaft so as to be opposed to the roller for retaining the roller in a given axial position on the shaft. The roller is rotatable about the shaft and has a flange at its one end. The retaining element has a plurality of resilient retaining arms and its one end to hold the flange rotatably. At the opposite end, the retaining element is also provided with a plurality of resilient arms which are in frictional engagement with the outer periphery of the shaft. The roller can be slid axially along the shaft when a force greater than a given magnitude is applied thereto.

REFERENCES:
patent: 2113579 (1938-04-01), Dybvig
patent: 2356842 (1944-08-01), Helmond
patent: 2625415 (1953-01-01), Smith
patent: 2891301 (1959-06-01), Conklin
patent: 3519117 (1970-07-01), Smith
patent: 3565470 (1971-02-01), Nicol et al.

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