Dual mode pistol-grip grease gun
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United States of America Patent
Stats
-
Jan 11, 1994
Issued Date -
N/A
app pub date -
May 11, 1993
filing date -
Mar 26, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A dual mode pistol grip grease gun that operates in either the volume mode or the pressure mode. The grease gun comprises a cylinder head, which has a handle fixed to it. Attached to the handle via a shiftable link is a lever, which has a U-shaped slot disposed at one end. The shiftable link is disposed in the U-shaped slot of the lever, and its position therein defines whether the grease gun is in the volume or the pressure mode. Rotatably attached to the lever is a piston, which enters the cylinder head when the lever is depressed. A stop disposed in the lever that rests against the piston keeps the span between the lever and the handle the same for both the volume and pressure modes.
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