Spool deflection indicator

Details Spool deflection indicator Spool deflection indicator

1976-06-28

1978-08-29

Scott, James R.

Electricity: circuit makers and breakers

Fluid pressure

Flow-responsive type

200153T, H01H 3500

Patent

active

041105753

ABSTRACT:
A spool deflection indicator comprising a shank and an integral enlarged switch housing supporting a switch. The shank pivotally supports a rod which is connected at one end to a horizontally movable spool located below the indicator. The other end of the rod opposite the spool has a cam with a concave indentation. The concave indentation is aligned with a switch button on the switch. When the spool moves, the cam also moves causing the concave indentation to become misaligned with the switch button thereby depressing it and changing the mode of the switch.

REFERENCES:
patent: 2211553 (1940-08-01), Bogue
patent: 2583814 (1952-01-01), Burklin
patent: 2640977 (1953-06-01), Parisi
patent: 2734106 (1956-02-01), Riley et al.
patent: 2768256 (1956-10-01), Barecki et al.
patent: 2852635 (1958-09-01), Reed
patent: 3194916 (1965-07-01), Vischer, Jr.
patent: 3501605 (1970-03-01), Hutchinson et al.
patent: 3739119 (1973-06-01), Rike
patent: 3922515 (1975-11-01), Meisenheimer, Jr.

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