Grease output device for an electrical grease gun
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United States of America Patent
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Sep 8, 2009
Grant Date -
Feb 28, 2008
app pub date -
Aug 22, 2006
filing date -
Aug 22, 2006
priority date (Note) -
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Abstract
A grease output device for an electrical grease gun has a body, a double-cam member and a driving member. The body has a holder and a seat mounted with the holder. The double-cam member connects to the body and has a driven unit and a driving unit. The driven unit has a driven gear and two cams misaligning with the driven gear. The driving gear has two rings mounted around the cams and two pistol rods connecting to the rings. The driving unit has a driving gear engaging with the driven gear. The driving member connects to the body to rotate the driving gear so the driven gear is rotated to push the rings. Hence, the grease can flow out of the body successively by the pistol two pistol rods moving back and forth alternatively.
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