Typewriting machines – Sheet or web – For feeding web record-medium
Patent
1977-05-04
1978-09-19
Sewell, Paul T.
Typewriting machines
Sheet or web
For feeding web record-medium
4006162, B41J 1130
Patent
active
041150147
ABSTRACT:
A driveshaft having a square cross section for driving the paper feed tractors of an impact printer fits, at each end, into the square sockets of a bushing assembly and a gear and hub assembly, respectively. The bushing assembly has an outer circular bearing surface at one end and a raised shoulder at the other end, the bearing surface rotatably mounted within a journal bearing of a first bracket assembly that is mounted on one sidewall of the frame of an impact printer. The hub of the gear and hub assembly is rotatably mounted within a journal bearing of a second bracket assembly which is mounted on the other sidewall of the frame. The first bracket assembly is mounted on the outside surface of the sidewall and the other bracket assembly is mounted on the inside surface of the other sidewall.
REFERENCES:
patent: 3570736 (1971-03-01), Skiba
patent: 3656602 (1972-04-01), Konkel et al.
The Condensed Chemical Dictionary, A. & E. Rose, Reinhold Publishing Corporation, 1961, pp. 495 and 910.
Felcman Frances Adolph
Wood James Carlos
Comfort James T.
Devine Thomas G.
Grossman Rene E.
Sewell Paul T.
Texas Instruments Incorporated
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