Self-adjusting multi-event timing apparatus

Details Self-adjusting multi-event timing apparatus Self-adjusting multi-event timing apparatus

2009-07-02

2011-11-08

Aurora, Reena (Department: 2858)

Electricity: measuring and testing

Magnetic

Displacement

C324S207150, C324S260000, C324S262000

Reexamination Certificate

active

08054069

ABSTRACT:
An apparatus for providing an indication of rotational position of a shaft by parameter change. The apparatus includes a resilient, serpentine-shaped middle portion, a first end portion located at one end of the middle portion, and a second end portion at another end of the middle portion. The second end portion is for location adjacent to the first end portion to permit securing of the first and second ends together subsequent to the middle portion being resiliently extended around the shaft. The serpentine-shaped middle portion is sized to be taut on the shaft and is shaped to have a plurality of undulations. The undulations providing a plurality of event members each having at least one characteristic that causes a change of a parameter that can be sensed by a sensor when the event member rotates past the sensor.

REFERENCES:
patent: 4580047 (1986-04-01), Sasaki et al.
patent: 5933005 (1999-08-01), Pugh
patent: 6492807 (2002-12-01), Spellman
patent: 7026808 (2006-04-01), Vig et al.

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