Rotary shafts – gudgeons – housings – and flexible couplings for ro – Shafting
Reexamination Certificate
2005-05-24
2005-05-24
Binda, Greg (Department: 3679)
Rotary shafts, gudgeons, housings, and flexible couplings for ro
Shafting
C464S183000, C403S002000
Reexamination Certificate
active
06896623
ABSTRACT:
An axially collapsible propeller shaft assembly, wherein the axial collapse feature resides in an axially collapsible drive connection between a stud shaft and a hollow propeller shaft, wherein under everyday drivingly conditions the drive connection provides torque transfer between the stud shaft and the propeller shaft, but under crash conditions the axial force telescopically receives the stud shaft into the hollow space of the propeller shaft. In a first embodiment, an end of the stud shaft is splinably engaged with an end cap affixed to the propeller shaft. In a second embodiment, a stud shaft is affixed to an end cap, which is, in turn, affixed to a propeller shaft. An annular score of the end cap has a bottom which is broken in a crash, which allows a central portion of the end cap to move with the stud shaft into the propeller shaft.
REFERENCES:
patent: 3504567 (1970-04-01), Ohashi et al.
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patent: 4791269 (1988-12-01), McLean et al.
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Axial collapse tube of Visteon Corp, Dearborn, MI, used on Lincoln Mark VIII; product believed on the market about 1993.
Axial collapse tube of Visteon Corp, Dearborn, MI, used on Cougar/Thunderbird; product believed on the market about 1990.
Axial collapse tube of Visteon Corp, Dearborn, MI, used on Ford Explorer; product believed on the market about 2001.
Binda Greg
General Motors Corporation
Hargitt Laura C.
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