Rotary indicating device

Details Rotary indicating device Rotary indicating device

1985-05-21

1986-12-30

Mancene, Gene

Card, picture, or sign exhibiting

Display with special effects

272 8D, 446243, 40495, 40587, 40591, A47F 106

Patent

active

046318488

ABSTRACT:
The disclosure relates to a rotary indicating device adaptable to, for example, wheel covers for motor vehicles. The device includes a rotary base member having, on its front or rear surface, a plurality of indication regions which respectively consist of completely the same desired images and arranged at equal angular intervals about a rotary axis of the rotary base member. When the rotary base member rotates at more than a predetermined rotational speed, an observer located at a predetermined position with respect to the device can view a distinct constant image, appearing at a predetermined position of the rotary base member, due to the after image phenomenon.

REFERENCES:
patent: 1804453 (1931-03-01), Basseches
patent: 2158902 (1939-05-01), Gray
patent: 2432896 (1947-12-01), Hotchner
patent: 2482947 (1949-09-01), Swarbrick
patent: 2583275 (1952-01-01), Olson
patent: 2624142 (1953-01-01), Sayre
patent: 3005906 (1961-10-01), Buttler
patent: 3050888 (1962-08-01), Myers et al.
patent: 3624958 (1971-12-01), Salayka

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