Spiral taper cut impact beam

Details Spiral taper cut impact beam Spiral taper cut impact beam

1991-06-19

1992-06-23

Song, Robert R.

Land vehicles: bodies and tops

Bodies

Body shell

296146, 49502, B60R 2700

Patent

active

051236940

ABSTRACT:
A vehicle door impact beam having an elongated tubular body with a central axis, the end portions of the beam being taper cut to form inner and outer termini and opposite taper surfaces for each end, the included angle at the inner termini being greater than 180 degrees and the outer termini being less than 180 degrees, and the first and second taper surfaces each spiraling from the inner terminus to the outer terminus through an angle of about 90 degrees. The inner termini of both ends are on opposite sides of the beam, and the outer termini of both ends are on the same side of the beam.

REFERENCES:
patent: 1821850 (1931-09-01), Riemenschneider
patent: 4636608 (1987-01-01), Palentyn et al.
patent: 4708390 (1987-11-01), Palentyn et al.
patent: 4866883 (1989-09-01), Brown et al.
patent: 4919473 (1990-04-01), Laimighofer et al.
patent: 4978562 (1990-12-01), Wycech

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