Rotatable shaft position indicator

Details Rotatable shaft position indicator Rotatable shaft position indicator

2007-09-18

2010-06-22

Smith, R. A. (Department: 2841)

Signals and indicators

Indicators

Valve position

C200S308000, C200S336000

Reexamination Certificate

active

07739978

ABSTRACT:
In some embodiments, a rotary shaft position indicating and display apparatus for use with a device having a rotatable shaft may include one or more of the following features: (a) a housing having a base with a cover secured to said base and defining a hollow sealed chamber, (b) an actuator shaft journaled for rotation in said base and extending through said base into said sealed chamber, (c) at least one electromechanical actuating element mounted on said actuator shaft, (d) a frusto-conical member having graphics information representative of said actuator shaft position viewable through a window area, (e) said cover having a frusto-conical base, (f) female threads on the interior of the frusto-conical base, and (g) male threads on the base housing to accept the female threads on the interior of the frusto-conical base.

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patent: 5888276 (1999-03-01), Price et al.
patent: 6044791 (2000-04-01), LaMarca et al.
patent: 2229254 (1990-09-01), None
International Search Report and Written Opinion for International Application No. PCT/US2008/076377, 9 pages.

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