Driveshaft and method of manufacturing such a driveshaft

Rotary shafts – gudgeons – housings – and flexible couplings for ro – Torque transmitted via flexible element – Nonmetallic element

Reexamination Certificate

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Reexamination Certificate

active

11098165

ABSTRACT:
In a drive shaft including an outer tube extending from one end and a core shaft extending from the other end at least partially into the outer tube and an elastomer damping element disposed between the outer tube and the core shaft and being vulcanized to the outer tube and the core shaft for the transmission of a torque therebetween, several support rings are disposed in axially spaced relationship between the outer tube and the core shaft and abut the outer tube and the core shaft so as to permit relative movement between the outer tube and the core shaft but prevent bending of the drive shaft.

REFERENCES:
patent: 2231037 (1941-02-01), Taylor
patent: 2620165 (1952-12-01), Crickmer
patent: 2880599 (1959-04-01), Hlinsky
patent: 2900809 (1959-08-01), Crankshaw
patent: 3304747 (1967-02-01), Eldenburg
patent: 4353586 (1982-10-01), Raquet et al.
patent: 1 044 637 (1954-12-01), None
patent: 922 502 (1955-01-01), None
patent: 101 51 714 (2003-04-01), None
patent: 459 105 (1937-01-01), None

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