Propshaft with improved crash-worthiness

Motor vehicles – Transmission mechanism – Shaft relationship to frame or shaft

Reexamination Certificate

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Details

C464S183000, C301S124100, C301S126000, C072S110000

Reexamination Certificate

active

07152708

ABSTRACT:
A frangible telescopic propeller shaft includes an elongated hollow cylindrical body, a reduced diameter intermediate portion along a length of the body, and at least one spin-formed transition area between the intermediate portion and the body. The transition area includes a frangible feature wherein at least a part of the cylindrical body lies over the intermediate portion such that, in response to a sufficient axial force, the frangible feature fractures to telescope the body over the intermediate portion.

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PCT Notification of Transmittal of the International Search Report and the Written Opinion of the International Searching Authority, Jan. 3, 2005, 3 pages.
PCT International Search Report by the International Searching Authority of the European Patent Office, Jan. 3, 2005, 4 pages.
PCT Writen Opinion of the International Searching Authority of the European Patent Office, Jan. 3, 2005, 5 pages.

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