Grease gun with a quick-release end cover
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United States of America Patent
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-
Jan 26, 2016
Grant Date -
Aug 20, 2015
app pub date -
Feb 20, 2014
filing date -
Feb 20, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A grease gun with a quick-release end cover includes a barrel, and an operating end cover and a piston end cover disposed at two ends of the barrel. Between the operating end cover and the barrel is disposed a quick-release device which includes: an annular groove formed around the barrel; a first hole formed in the operating end cover and includes an outer open end and an inner open end. Inside the first hole is formed an annular shoulder portion, in the outer open end of the first hole is formed a slot. A control member has a shaft inserted into the first hole, the shaft includes an abutting and an operating portion formed at two ends thereof, and a positioning pin. A compression spring is sleeved onto the shaft and pressed between the annular shoulder portion of the first hole, and the annular abutting portion of the abutting block.
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