Signals and indicators – Alarms – Fluid flow
Patent
1975-12-03
1977-05-31
Swisher, S. Clement
Signals and indicators
Alarms
Fluid flow
116114R, G01F 2300
Patent
active
040262391
ABSTRACT:
A threaded plug in a grease filling opening on the periphery of a rotating sleeve is formed with a tube-shaped extension having lateral openings near its base, whereby the plug may be used as a grease level indicator.
REFERENCES:
patent: 2121507 (1938-06-01), Morgan
patent: 2297850 (1942-10-01), Woolery
patent: 2751877 (1956-06-01), Boone
patent: 2871681 (1959-02-01), Beecher
patent: 2910956 (1959-11-01), Scully
patent: 3174302 (1965-03-01), Pomper
patent: 3375901 (1968-04-01), Farrell
patent: 3638453 (1972-02-01), Ehret
A/S Kongsberg Vapenfabrik
Corr Denis E.
Swisher S. Clement
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