Acoustically dampened striker bar for impact printers and method

Details Acoustically dampened striker bar for impact printers and method Acoustically dampened striker bar for impact printers and method

1990-07-06

1991-12-03

Burr, Edgar S.

Typewriting machines

Platen or platen-moving mechanism

Bar platen

400661, 400689, B41J 1102

Patent

active

050695665

ABSTRACT:
A striker bar assembly includes a striker bar body having a recess at each of its opposite ends opening through top, bottom and end wall surfaces. The striker bar body has a flat impact surface perpendicular to the top and bottom surfaces. Generally T-shaped end members have legs for disposition in the striker body recesses. The wall surfaces of the striker body and legs of the members are spaced to provide a gap into which dampening material is provided. The gaps at each end of the striker bar assembly are of identical width in a front-to-back direction.

REFERENCES:
patent: 811800 (1906-02-01), Small
patent: 1347333 (1920-07-01), Houston
patent: 1592392 (1926-07-01), Stickney
patent: 1629129 (1927-05-01), Stickney
patent: 1693533 (1928-11-01), Stickney
patent: 1836906 (1931-12-01), Degener
patent: 4076112 (1978-02-01), Effinger
patent: 4092920 (1978-06-01), Barnak
patent: 4247213 (1981-01-01), Wurscher
patent: 4453848 (1984-06-01), Adkisson et al.
patent: 4583272 (1986-04-01), Keller

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