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US 2009/0266205 A1Published application
Torque-Indicating Wrench
OwnerHeiao-Feng LINinventor
Life of this patent
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Abstract
A wrench includes a head, a strain-vulnerable unit, at least one sensor, a handle set and a display. The strain-vulnerable unit includes a first end attached to the head, a second end at an adequate distance from the head and an aperture defined in the second end. The sensor is attached to the second end of the strain-vulnerable unit for detecting strain in the second end of the strain-vulnerable unit and sending a signal. The handle set is connected to the strain-vulnerable unit. The display is provided on the handle set and electrically connected to the sensor.
Claims7
A wrench comprising:
- a head;
- a strain-vulnerable unit comprising a first end attached to the head, a second end at an adequate distance from the head and an aperture defined in the second end;
- at least one sensor attached to the second end of the strain-vulnerable unit for detecting strain in the second end of the strain-vulnerable unit and sending a signal;
- a handle set connected to the strain-vulnerable unit;
- and
- a display provided on the handle set and electrically connected to the sensor.
3 more elements
Dependencies are inferred from the claim text.