Rotor for electromagnetic indicator

Details Rotor for electromagnetic indicator Rotor for electromagnetic indicator

1982-02-05

1984-01-17

Yasich, Daniel M.

Signals and indicators

Indicators

Magnetically actuated

116298, 116297, 335272, 34081526, G01D 512, G08B 524

Patent

active

044258640

ABSTRACT:
A rotor for an electromagnetic indicator comprises a flat circular disk made of thin, pliable, nonmagnetic material. The disk has integral tabs extending out of diametrically opposite edges and a rib extends diametrically of the disk to outer ends of the tabs. The rib and tabs define T-shaped trunnions which engage in T-shaped slots in respective sides of a rotary magnet, and a journal block. The disk is fabricated from a single flat sheet having flat tabs extending outwardly of opposite edges. A V-shaped groove is made in the sheet extending centrally across the disk and tabs. Opposite sides of the groove are then brought together to form the rib with T-shaped trunnions at opposite edges of the disk.

REFERENCES:
patent: 2004724 (1935-06-01), Herzog
patent: 2767357 (1956-10-01), Naybor
patent: 3193195 (1965-07-01), Jeffries
patent: 3368216 (1968-02-01), Rose
patent: 3434658 (1969-03-01), Goldstein
patent: 3915112 (1975-10-01), Forester
patent: 3975728 (1976-08-01), Winrow
patent: 3977072 (1976-08-01), Schonstedt
patent: 3977248 (1976-08-01), Metzger
patent: 4053828 (1977-10-01), Ambler et al.
patent: 4156872 (1979-05-01), Helwig

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