Screw driver with retractable lever attachment
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United States of America Patent
Stats
-
Apr 8, 1980
Grant Date -
N/A
app pub date -
Feb 12, 1979
filing date -
Feb 12, 1979
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A screw driver with a retractable lever member, said lever member being adapted, when moved to its extended position, to yield increased leverage for the user so as to improve the turning movement in the process of either tightening or loosening a screw or other similar object.
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