Land vehicles – Wheeled – Running gear
Reexamination Certificate
2007-02-20
2007-02-20
Dunn, David R. (Department: 3616)
Land vehicles
Wheeled
Running gear
C280S124128
Reexamination Certificate
active
11333657
ABSTRACT:
A hollow vehicle suspension beam (1) has opposed side walls formed with recesses (11) in which an axle wrap (2) is located and secured by welded jointing (12, 13) internally and externally of the opposed side walls to provide a strong joint between the beam and axle wrap. The beam may comprise at least one component (5, 6) of a generally U-shaped section the opposed limbs of which provide at least part of the opposed side walls of the beam, and the mouth of the section provides an access opening into the interior of the beam for the internal welded jointing (12) to be made at the axle wrap. One embodiment has the beam comprised of two of the U-shaped components (5, 6) disposed with their mouths opening in opposite directions to provide access to the interior of the beam for the internal welded jointing to be made at the axle wrap (2) before the mouths are closed by closure components (15, 16). Another embodiment has the opposed side walls formed in combination by the opposed limbs of a U-shaped component and the space between the plate components being closed off by closure components after the internal welded joint have been made.
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Daytonair Truckmaster Suspension Brochure (Prior Art); date unknown.
Eaton Axle and Brake Brochure and Information—1989.
Fruehauf Cargo Care and Pro Par Suspension Brochure (Prior Art)—date unknown.
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Chan David
Peaker Martin
Carlson & Gaskey & Olds
Dunn David R.
Meritor Heavy Vehicle Systems Limited
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