Vehicle fenders – Buffer or bumper type – Composite bumper
Patent
1996-10-23
1998-09-01
Sotelo, Jesus D.
Vehicle fenders
Buffer or bumper type
Composite bumper
293109, B60R 1903
Patent
active
057999910
ABSTRACT:
The bumper system includes an elongated body member with a cavity extending along at least a portion of a length of the body member, a beam member positioned in the cavity in close fitting engagement, and an attachment device for attaching the bumper system to a preselected structure. The body member cavity has a predetermined cavity cross-sectional shape and the beam member has a corresponding cross-sectional shape. The body member is constructed in one piece of a resilient, moldable material. The corresponding cross-sectional shapes of the body member cavity and the beam member are adapted to maximize torsional force transfer between the body member and the beam member. The beam member is configured to meet strength requirement with minimal mass. In one embodiment, at least one absorber member is interposed between the body member and the preselected supporting structure. The absorber member is resilient and adapted to deform to absorb an impact force and to return to its original configuration when the force is removed. Further, the body member defines a cooperating receptacle for each absorber member to receive the absorber member in force fit engagement. Each of the body member and the beam member may also include a void that is filled with a foam material.
REFERENCES:
patent: 4252355 (1981-02-01), Goupy et al.
patent: 5658027 (1997-08-01), Eissinger et al.
Concept Analysis Corporation
Sotelo Jesus D.
LandOfFree
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