Portable battery-powered grease gun

Details Portable battery-powered grease gun Portable battery-powered grease gun

1990-12-11

1992-04-21

Lazarus, Ira S.

Lubrication

Lubricators

Refilling device

184 271, 222262, 222333, F16N 502

Patent

active

051059126

ABSTRACT:
A hand-held grease gun that is battery-powered and fully portable. The grease gun uses a disposable cartridge filled with grease that is under pressure exerted by a spring loaded plunger. Grease from the cartridge is discharged into a chamber containing a piston to draw the grease from the cartridge into the chamber and discharge it through a nozzle whenever the trigger is actuated by the user.

REFERENCES:
patent: 1659950 (1928-02-01), Goodman
patent: 2123712 (1938-07-01), Clark
patent: 2626085 (1953-01-01), MacKinnon
patent: 2928574 (1960-03-01), Wagner
patent: 3987869 (1976-10-01), Bowers
patent: 4024994 (1977-05-01), Davis, Jr.
patent: 4257540 (1981-03-01), Wegmann et al.
patent: 4264021 (1981-04-01), Davis, Jr.
patent: 4664298 (1987-05-01), Shew
patent: 4706848 (1987-11-01), D'Andrade

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