Tubular camshaft assemblies and the like

Details Tubular camshaft assemblies and the like Tubular camshaft assemblies and the like

1988-06-24

1990-05-08

Luong, Vinh

Machine element or mechanism

Elements

Cams

29523, 294211, 123 906, 72 58, F16H 5300, B23P 1500, B21D 3900, F01L 146

Patent

active

049227858

ABSTRACT:
Camshaft assemblies are disclosed with methods for making them by the expansion of tubular shafts into prelocated cams, journals and other elements, if desired. Features of the camshafts include trilobe or polylobe element openings, preferably splined or serrated for low energy filling and high torque capacity and High Strength Low Alloy mild steel tubular shaft material.

REFERENCES:
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patent: 4660269 (1987-04-01), Suzuki
patent: 4750250 (1988-06-01), Maus et al.
patent: 4781076 (1988-11-01), Hartnett et al.
Shaw, F. W., "Dwell Cams of Uniform Diameter", Mechanical World, Oct. 4, 1935, pp. 329-330.
Sandford James, "Nonround Connections Strength Mechanical Drives", reprint from Design News, Sep. 22, 1975 (2 pages).

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