Dispensing – With casing or support – With pedal-controlled discharge means
Reexamination Certificate
2005-10-11
2008-11-25
Nicolas, Frederick C. (Department: 3754)
Dispensing
With casing or support
With pedal-controlled discharge means
C222S186000, C222S256000, C222S340000, C222S386000, C222S472000
Reexamination Certificate
active
07455196
ABSTRACT:
A support for manual grease guns has a base and lever-restoring mechanism. Grease guns conventionally have a pumping head with a barrel and lever joined thereto for cycling through pumping and restoring strokes between restored and depressed extremes. The restored extreme has the lever and barrel flared apart. Conversely, since the pumping stroke closes the flare, the depressed extreme has the lever brought alongside the barrel. The base has ground-engaging feet as well as clamps for clamping the grease gun tightly by the barrel, preferably with the lever projecting away for pedal-style depression in a generally vertical plane by a user stepping on it. The lever-restoring mechanism links the lever to the base, and yields under the user's step while the lever moves through pumping strokes, but restores the lever toward the restored extreme therefor as soon as the user takes his or her step off the lever.
REFERENCES:
patent: 1349994 (1920-08-01), Wood
patent: 1680170 (1928-08-01), Pierce
patent: 1750150 (1930-03-01), Albertine
patent: 1751323 (1930-03-01), Gray
patent: 1776095 (1930-09-01), Albertine
patent: 1804731 (1931-05-01), Albertine
patent: 2465653 (1949-03-01), Leterman
patent: 4093170 (1978-06-01), Spray
patent: 4254926 (1981-03-01), Reeberg
patent: 4601412 (1986-07-01), Martin
patent: 4758131 (1988-07-01), Gurney
patent: 4921073 (1990-05-01), Compton
patent: 5551668 (1996-09-01), Hung
patent: 7063298 (2006-06-01), Henry
Bay Jonathan A.
Nicolas Frederick C.
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