Propshaft with crash-worthiness

Details Propshaft with crash-worthiness Propshaft with crash-worthiness

2007-10-30

2007-10-30

Binda, Greg (Department: 3679)

Rotary shafts, gudgeons, housings, and flexible couplings for ro

Coupling facilitates relative axial motion between coupled...

C403S359600

Reexamination Certificate

active

11039525

ABSTRACT:
A telescoping propeller shaft includes an elongated hollow cylindrical body having a splined interior surface, the splines defining a minor diameter (x) and a major diameter (y), and a correspondingly splined shaft mating in register with the cylindrical body along an engagement length (L). Major (c) and minor (b) diameters of the splined shaft are less than the respective major (y) and minor (x) diameters of the interior splines of the cylindrical body such that the two shafts can freely telescope at least along the engagement length (L) and a free plunge region (D1). In response to a sufficient inward axial load, the cylindrical body is adapted to telescope over the splined shaft through an interference region (D2) comprising an interference mechanism for energy dissipation.

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