Upset tube

Details Upset tube Upset tube

1993-11-29

1996-10-22

Pike, Andrew C.

Motor vehicles

With means for protecting occupant region of vehicle from...

188371, 188377, 280777, 280784, 293133, 293155, 296189, 464179, B60K 1722, B60R 1934

Patent

active

055667775

ABSTRACT:
An upset tube for accommodating impact energy in a motor vehicle, preferably head-on collisions, which may be used both in the bumper bar or propeller shaft of a motor vehicle, has one bead angled with sides with different angular values. The angles enable a predetermination of the region of nominal fracture. After having been sheared off, the upset tube is able to destroy a defined amount of friction energy.

REFERENCES:
patent: 3599757 (1971-08-01), Takamatsu et al.
patent: 3903982 (1975-09-01), Van Winsen et al.
patent: 3912295 (1975-10-01), Eggert, Jr.
patent: 4312430 (1982-01-01), Ohtani

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