Torque wrench
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 17, 2013
Grant Date -
Sep 27, 2012
app pub date -
Mar 21, 2011
filing date -
Mar 21, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A torque wrench includes a driving head, a hollow handle, compression unit, an adjustment unit, an index unit and a display unit. The driving head and the handle are pivotably connected to each other. The compression unit has a resilient member and an end piece which contacts the driving head. The adjustment unit adjusts the length of the resilient member to set the torque of the wrench. The index unit has a first index and a second index, both of which are moved with the movement of the adjustment unit. The movement of the first index is detected by the display unit and transferred into digits to display the value of the torque. The second index is cooperated with the marks of the scale member to display the value of the torque.
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