Injection lubricating apparatus

Details Injection lubricating apparatus Injection lubricating apparatus

1977-05-31

1978-08-08

Brown, David H.

Lubrication

Lubricators

Force feed

184 29, 184 96, 116117C, F16N 1316

Patent

active

041050959

ABSTRACT:
In a lubricator which employs an injection pump controlled by an air flow sensor to force a predetermined quantity of lubricant into an air line or tool upon each starting of air flow therein, an improved sight indicator for lubricant flow which comprises a ball in a 45.degree. bore in a portion of the lubricant flow path in a transparent dome, the ball seating gravitationally at the bottom of the bore in static condition of the lubricant and being movable upwardly responsive to pulsations of lubricant flow through the flow path, the dome being bodily turnable against frictional resistance provided by O-rings to orient the bore axis vertically.

REFERENCES:
patent: 1889705 (1932-11-01), Sherwood
patent: 3672467 (1972-06-01), Fleissner
patent: 3841438 (1974-10-01), Tine et al.
patent: 3926279 (1975-12-01), Thrasher

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