Signals and indicators – Bells – Gong type
Patent
1976-02-27
1977-10-25
Swisher, S. Clement
Signals and indicators
Bells
Gong type
73431, 116114R, G01D 700
Patent
active
040551415
ABSTRACT:
For dial scales, scale graduations are displayed on a transparent dial which fits in front of the pointer. The dial has a flange which fits over the circular flange of the metal pan behind the dial. The transparent dial may be removed and interchanged and twisted relative to the pointer for zero-adjustment or tare adjustment. The dial may have various types of graduations. In one modification the pan is blank and all graduations are on the twistable transparent dial. In another modification the pan dial is marked in normal fashion; the transparent dial has one or several "under-over" markings which can be aligned with the pan marking for the desired average weight. To adjust the metal pan so that it is centered relative to the pointer staff, a template is used which fits accurately relative to the flange of the pan. A plug in the center of the template receives the staff. The screws which fasten the pan to its mounting bracket may be tightened through openings in the template.
REFERENCES:
patent: 2620412 (1952-12-01), Ford
patent: 3413952 (1968-12-01), Homs
patent: 3889840 (1975-06-01), Price
Caplan Julian
Corr Denis E.
Swisher S. Clement
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