Gravity orientation device having an encoder and a rotatable sha

Details Gravity orientation device having an encoder and a rotatable sha Gravity orientation device having an encoder and a rotatable sha

1993-02-08

1994-07-19

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

25023113, G01D 534

Patent

active

053311531

ABSTRACT:
A gravity orientation device comprises a cylindrical casing, a shaft rotatably mounted in the casing along the longitudinal axis thereof and having pointed ends contacting bearing surfaces located in the ends of the casing, an encoder mounted within the casing and having a fixed portion secured to the casing and a rotary portion secured to the shaft, and a weight pendulum mounted on the shaft for rotation around the shaft under the influence of gravity.

REFERENCES:
patent: 4101882 (1978-07-01), Kramer
patent: 4664519 (1987-05-01), Hullein et al.
patent: 5134471 (1992-07-01), Gendron et al.

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