Sundial apparatus

Details Sundial apparatus Sundial apparatus

1990-12-05

1991-11-05

Cuchlinski, Jr., William A.

Geometrical instruments

Straight-line light ray type

Celestial

G01C 1234

Patent

active

050622129

ABSTRACT:
A sundial apparatus is arranged wherein a sundial head mounts a semi-cylindrical sundial face mounting a vertical and horizontal cross hair to define time of day, as well as an associated weekly period during a solar year. The sundial face is mounted within a head member that in turn is rotatably mounted upon an upper rotater plate. The upper rotater plate is pivotally mounted between first and second "L" shaped support plates, and the "L" shaped support plate is rotatably mounted upon a mounting plate, with the mounting plate fixedly secured to a support member such as a post.

REFERENCES:
patent: 740978 (1903-06-01), Hewitt
patent: 825319 (1906-07-01), Hewitt
patent: 1651621 (1927-12-01), O'Sullivan
patent: 2192750 (1940-03-01), Mead
patent: 2415433 (1947-02-01), Little
patent: 4413423 (1983-11-01), Galvin
patent: 4602259 (1986-07-01), Shepard
patent: 4845853 (1989-07-01), Haskett

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