Tubular member, especially for a safety steering column for moto

Details Tubular member, especially for a safety steering column for moto Tubular member, especially for a safety steering column for moto

1984-05-21

1986-03-25

Stoner, Jr., Bruce H.

Brakes

Plastic deformation or breakage of retarder element

74492, 138123, 138DIG2, 280777, 464 80, 464 88, F16F 712

Patent

active

045777365

ABSTRACT:
The invention relates to a tubular member, especially for safety steering columns for motor vehicles, made of wound fiber-reinforced materials. The winding angle of the fibers or fiber belts amounts to essentially .+-.45.degree. relative to the tube's longitudinal axis. For taking up high torsional moments and simultaneously low compressive and buckling or bending loads, the tubular member (1) has an expanded outwardly bulging section (3) extending around the entire circumference of the tubular member. This bulging section is preferably a double conical outward bulge. The fibers (2) cross each other at an angle of essentially 90.degree. even in the region of the outwardly bulging section (3), which means that the winding angle of essentially .+-.45.degree. to the tube's longitudinal axis is maintained in the region of the outwardly bulging section (3).

REFERENCES:
patent: 3373630 (1968-03-01), Heurtebise
patent: 3412628 (1968-11-01), De Gain
patent: 4304147 (1981-12-01), Linnemeier et al.
patent: 4336868 (1982-06-01), Wilson et al.
patent: 4465301 (1984-08-01), Bongers et al.
Worksheet entitled "Elastische Eigenschaften Ausgeglichener Winkelverbunde n Abhaengigkeit Vom Faserorientierungswinkel, pp. 1 to 10, Nr. 22 300-05 by W. Weiss, Apr. 29, 1980.

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