Screwdriver having a variable torque-limiting in-line drive
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United States of America Patent
Stats
-
Nov 4, 2003
Grant Date -
N/A
app pub date -
May 21, 2002
filing date -
May 21, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A screwdriver of the type having a variable torque-limiting in-line drive with a handle having a cavity and a drive bit disposed in the cavity. Over-ride drive members are disposed in the cavity and a spring exerts a force on the drive members for transmitting only a maximum force to a bit in the screwdriver. Two adjustable controls are at a back end of the tool and they are used to apply a varying force to the spring and thus limit the amount of maximum torque to be transmitted.
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