Signals and indicators – Bells – Gong type
Patent
1976-11-15
1978-09-26
Yasich, Daniel M.
Signals and indicators
Bells
Gong type
116114PV, 137557, F16K 3700, G01L 1912
Patent
active
041161572
ABSTRACT:
A visual indicating device having an elongated slide valve mounted for longitudinal movement in a central bore of a housing. One end of the slide valve has a piston thereon mounted in a piston chamber and is responsive to a sensed fluid pressure in a flow line. The visual indicator is adjacent the other end of the slide valve and includes an outer fixed indicator element and an inner axially aligned rotatable indicator element. The outer fixed indicator element has a plurality of pie-shaped segments with alternate segments being transparent to permit visual viewing of the movable inner indicator element. The inner indicator element has a plurality of pie-shaped segments with alternate segments being of a green color and intervening segments being of a red or contrasting color. The altenate segments of the inner indicator element are axially aligned with the transparent segments of the outer indicator element in one position to present visually one color and the intervening segments are axially aligned with the transparent segments in the otherposition to present visually the contrasting color.
REFERENCES:
patent: 1126146 (1915-01-01), Werner
patent: 1611659 (1926-12-01), Malivert
patent: 3247824 (1966-04-01), Rodgers
patent: 3523451 (1970-08-01), Kohn
patent: 3556043 (1971-01-01), Vayda
patent: 3921665 (1975-11-01), Lebzelter
patent: 3975959 (1976-08-01), Larkin
ACF Industries Incorporated
Riddle Eugene N.
Yasich Daniel M.
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