Cast shafts, particularly camshafts

Details Cast shafts, particularly camshafts Cast shafts, particularly camshafts

1987-12-09

1989-10-31

Lindsey, Rodney M.

Machine element or mechanism

Elements

Cams

123 9034, F16H 5300

Patent

active

048769169

ABSTRACT:
An elongated generally cylindrical iron shaft is cast as a single piece. The shaft has a longitudinal axis and has a centrally disposed longitudinal hollow channel extending completely therethrough along the axis. The shaft has a plurality of transverse channels extending outwardly from the longitudinal channel completely through the shaft to the outside thereof and communicating with the longitudinal channel. Each transverse channel has the shape of a nozzle. The outside openings of the transverse channels are spaced apart and are disposed along a helical path on the outer surface of the shaft. The helix has an axis coincident with the longitudinal axis.

REFERENCES:
patent: 1469063 (1923-09-01), Wills
patent: 1489864 (1924-04-01), Tuttle
patent: 1497503 (1924-06-01), Greuter
patent: 3313016 (1967-04-01), Seulen et al.
patent: 3352293 (1967-11-01), Hulten
patent: 3501976 (1970-03-01), Thompson
patent: 3621733 (1971-11-01), Seulen et al.
patent: 3689986 (1972-09-01), Takahashi et al.
patent: 4072448 (1978-02-01), Loyd, Jr.
patent: 4449491 (1984-05-01), Tsuchiyama et al.
patent: 4644912 (1987-02-01), Umeha et al.

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