Staples feeder assembly with concealed slider for pneumatic fastener magazine
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United States of America Patent
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May 23, 2017
Grant Date -
Mar 19, 2015
app pub date -
Sep 18, 2014
filing date -
Sep 18, 2013
priority date (Note) -
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Abstract
The present invention consists of the complete integration of a self arming controlled action pneumatic fastener magazine slider (pusher and feeder) within the two legs of a stack of U-shape staples on a magazine support rail, thanks to the interplay of two pairs of releasably interlocking sensor and keys fastener pusher elements. In one embodiment of the invention, the slider system is self-arming and fits within an elbowed magazine for receiving fasteners, but works along the straight portion of the magazine. This slider system will accommodate elongated magazine holding a larger number of fasteners. The slider system will decrease the time required for fastener reloading by simplifying operations and enabling a greater flexibility for the operator. A fastener retention device may be provide to the fastener pusher, defining an operative mode active with a large storage load of fasteners into the magazine, and a inoperative mode triggered when the load of magazine feeders decreases below a threshold value.
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