Printwheel for use in a serial printer

Details Printwheel for use in a serial printer Printwheel for use in a serial printer

1985-12-19

1987-06-16

Pieprz, William

Typewriting machines

Type-bar-action mechanism or type-face on type-bar or...

Type-bar or type-member guide structure

4001442, 400457, 400174, B41J 130

Patent

active

046733051

ABSTRACT:
A printwheel, for use in a serial printer, in which the spokes pass in contact with a printwheel alignment member, which contact is a noise generation and wear inducing source. The printwheel is designed to include a noise and wear reducing element. The printwheel spokes terminate in character pads bearing type faces on one side thereof and are hammered on their opposite side. A wiping element is secured to the printwheel hub and lies adjacent to the spokes on the hammered side. The wiping element includes a ring of continuous, low mass, flexible material, having a wear resistant surface. The ring is located immediately radially inwardly of the character pads. P

REFERENCES:
patent: 3613856 (1971-10-01), Reed
patent: 3840105 (1974-10-01), Kittredge
patent: 3907091 (1975-09-01), Meier et al.
patent: 3970186 (1976-07-01), Sohl et al.
patent: 4060162 (1977-11-01), Frechette
patent: 4074798 (1978-02-01), Berger
patent: 4093059 (1978-06-01), Sohl
patent: 4385847 (1983-05-01), Avison
patent: 4425045 (1984-01-01), Crystal
patent: 4582437 (1986-04-01), Wang
patent: 4591282 (1986-05-01), Bradley

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