Dispensing – With discharge assistant – Plural
Patent
1977-03-31
1978-08-29
Brown, David H.
Dispensing
With discharge assistant
Plural
222263, 2223865, B67D 552
Patent
active
041098315
ABSTRACT:
A portable self-contained lubricating apparatus having a closed filling and dispensing system includes a wheeled frame member, a vertical lubricant container having an inlet and a bottom discharge outlet, and a flexible bladder carried within the container for pressurizing the lubricant with compressed air. A gear pump dispenses the lubricant from the container through a dispensing outlet at an elevated pressure. A rechargeable power source and a power drive is carried on the frame member for energizing and de-energizing the pump in response to respective low and high pressures at the dispensing outlet. A valve coupling member is connected to the container inlet having a pressure coupling for receiving a tubular connector to connect the container to a closed source of lubricant and a valve member for opening and closing a passageway between the inlet and pressure coupling providing a closed automatic filling system avoiding contact with outside contaminants and minimizing any exterior residue of lubricant.
REFERENCES:
patent: 1221288 (1917-04-01), Canaday
patent: 1650210 (1927-11-01), Hasty
patent: 1823406 (1931-09-01), Peaden
patent: 1908117 (1933-05-01), Clapp et al.
patent: 2242288 (1941-05-01), Davis
patent: 2718343 (1955-09-01), Brown
patent: 2735589 (1956-02-01), Milster et al.
patent: 2879785 (1959-03-01), Vesterdal et al.
patent: 3248020 (1966-04-01), Spalding
Culpepper William F.
Hinkle Charles G.
Brown David H.
General Enterprises, Inc.
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