Screwdriver with Changeable Blade
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
N/A
Issued Date -
Apr 7, 2011
app pub date -
Oct 3, 2009
filing date -
Oct 3, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A screwdriver includes a handle, a bit and a chuck for connecting the bit to the handle. The chuck includes a cylinder, two latches, a spring and a control element. The cylinder is securely connected to the handle. The latches are used to keep the bit connected to the cylinder, a spring for pushing the bit from the cylinder when the latches release the bit and a control element operable for causing the latches to release the bit.
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