Joint device
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United States of America Patent
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Feb 17, 2009
Grant Date -
Jul 5, 2007
app pub date -
Jan 4, 2006
filing date -
Jan 4, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A joint device has a joint and a connecting device. The joint is mounted with a gas container and has a leakage proof element, a gas-inlet and a threaded stub. The leakage proof element is mounted with the gas-inlet and has a head, an outer annular groove and a connecting portion. The connecting device is covered with the leakage proof element and has a head holder, a connecting tube, two pivotal pins, two buckling elements and two springs. The head holder is mounted with the connecting tube and has two pinholes and through holes formed on the external surface. The buckling elements are connected with the head holder by the pivotal pins and each buckling element has a tab, a connecting arm and a pillar locked with the outer annular groove. The springs are mounted between the connecting tube and the tabs, and respectively contacted to the tabs.
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