Shunted collarless torsion shaft for electronic...

Rotary shafts – gudgeons – housings – and flexible couplings for ro – With auxilliary indicator or alarm

Reexamination Certificate

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C464S112000, C073S862333

Reexamination Certificate

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06863614

ABSTRACT:
A torsion shaft for a vehicle includes an elongated inner shaft, and an outer sleeve attached to the inner shaft which fits over the inner shaft. A torsion cap is further attached to the inner shaft and outer sleeve. Another embodiment of the present invention includes an elongated inner shaft and an outer casing attached to the inner shaft which fits over the inner shaft. A torsion cap is further attached to the inner shaft and outer sleeve. A method for making a torsion shaft is also provided. An inner shaft and a magnetized outer sleeve are provided. The inner shaft is inserted into the outer sleeve, and the two are joined together.

REFERENCES:
patent: 1612321 (1926-12-01), Soderberg
patent: 3648483 (1972-03-01), Garcia, Jr.
patent: 4273207 (1981-06-01), Sivers et al.
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patent: 4791269 (1988-12-01), McLean et al.
patent: 5009110 (1991-04-01), Lang et al.
patent: 5052232 (1991-10-01), Garshelis
patent: 5907105 (1999-05-01), Pinkerton et al.
patent: 6047605 (2000-04-01), Garshelis
patent: 6260423 (2001-07-01), Garshelis
patent: 6360841 (2002-03-01), Blandino et al.
patent: 6520274 (2003-02-01), McElmeel et al.
patent: 20020198075 (2002-12-01), Prucher
I.J. Garshelis et al,A Torque Transducer Based on Local Bands of Naturally Stabilized Remanent Circumferential Magnetization, Journal of Applied Physics, 85:5468-70 (1999).

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