Single component automotive bumper and lower frame rail

Details Single component automotive bumper and lower frame rail Single component automotive bumper and lower frame rail

2007-10-30

2007-10-30

Pape, Joseph D. (Department: 3612)

Vehicle fenders

Buffer or bumper type

C293S122000, C293S146000, C293S154000

Reexamination Certificate

active

11147961

ABSTRACT:
A single component bumper beam and lower frame midrail structure, is formed through a hydroforming process to create a uniform “B-shaped” cross-sectional configuration with internal crash triggers to enhance crash performance. The mounting legs of the integral bumper structure are formed with a reduced cross-section at the terminal ends thereof to facilitate insertion into lower frame midrails formed from a pair of horizontally disposed tubes. The terminal end portions of the mounting legs are formed with a longitudinally extending slot to receive a central co-joined wall member formed through the welding of the two vertically oriented tubular members in the lower frame midrails. The single component bumper and longitudinally extending mounting leg structure can be formed by welding together two vertically oriented tubes.

REFERENCES:
patent: 3557894 (1971-01-01), Hanley
patent: 3799283 (1974-03-01), Freber
patent: 4950010 (1990-08-01), Denny
patent: 5727826 (1998-03-01), Frank
patent: 5839776 (1998-11-01), Clausen
patent: 5882039 (1999-03-01), Beckman
patent: 6010155 (2000-01-01), Rinehart
patent: 6193274 (2001-02-01), Brown
patent: 6217089 (2001-04-01), Goto et al.
patent: 6510771 (2003-01-01), Sturrus
patent: 6926327 (2005-08-01), Shibata
patent: 2003/0116981 (2003-06-01), McCoy et al.

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