Grease gun

Details Grease gun Grease gun

F - Mech Eng,Light,Heat,Weapons

16

N

F16N 3/12 (2006.01)

Patent

CA 2245231

A grease gun includes a tubular casing having a first end, a second end, and an interior cavity defined by interior sidewalls. A pump mechanism is positioned at the first end of the casing. A piston is disposed in the interior cavity in sliding contact with the interior sidewalls. A shaft is provided having a first end secured to the piston and a second end that extends past the second end of the casing. A ratchet mechanism is positioned at the second end of the casing which engages and imparts axial movement to the shaft to move the piston toward the first end of the casing. The ratchet mechanism applies sufficient pressure to force entrapped air from the grease gun.

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