Scale indication device for electronic components

Details Scale indication device for electronic components Scale indication device for electronic components

1992-03-30

1993-09-21

Cuchlinski, Jr., William A.

Signals and indicators

Indicators

Scale structure

116DIG47, 116308, 116298, 116284, G01D 1316

Patent

active

052459446

ABSTRACT:
A scale indication device includes a character plate having sets of characters printed on a front side thereof such that each set of characters has characters disposed about an eccentric circle having a predetermined radius. A scale plate is disposed adjacent the character plate. The scale plate has a window corresponding to each of the sets of characters such that only one of the characters in each set may be viewed through the window at a time. An eccentric rotation device is mounted on a gearbox and rotates the character plate such that different ones of the characters in each set may be viewed through the window. The rotation device includes a scale switching gear rotatable about an axis, a first engagement device formed on the scale switching gear at a distance from the axis equal to the predetermined radius, and a second engagement device formed on the character plate for rotatably engaging the first engagement device.

REFERENCES:
patent: 1362842 (1920-12-01), Brown
patent: 1427760 (1922-08-01), Ridge
patent: 2004724 (1935-06-01), Herzog
patent: 2361563 (1944-10-01), Pellaton
patent: 2842091 (1958-07-01), Kennedy
patent: 3092072 (1963-06-01), Strimel
patent: 3434453 (1969-03-01), Felgner
patent: 3707676 (1972-12-01), De Bretagne et al.
patent: 4213089 (1980-07-01), Liebermann
patent: 4974217 (1990-11-01), Inoue
patent: 5077708 (1991-12-01), Schneider

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