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US 7,841,100 B2Granted
Angle measuring device
AssigneeEduard Wille GmbH & Co. KG
InventorMichael Lucke
Life of this patent
Estimating the term…
Abstract
The invention relates to a angle measuring device measuring the tightening angle of an operation tool for tightening screwed connections. The angle measuring device is releasabley mounted to the operating tool.
Claims19
A combination of an angle measuring device adapted for measuring a tightening angle and a torque wrench provided for tightening screwed connections, said combination comprising:
- the torque wrench comprising at least a wrench head, a grip and a lever arm;
- the angle measuring device arranged to be attachable at various positions along the torque wrench;
- a fastening arrangement for detachably mounting the angle measuring device along the torque wrench;
- and
- at least one rotary angle sensor formed as an acceleration sensor provided for measuring a rotary angle electronically without external reference;
- wherein the angle measuring device is arranged to be selectively and detachably mounted by the fastening arrangement at such areas of the torque wrench as the wrench head, grip and lever arm.
3 more elements
An angle measuring arrangement adapted for measuring a tightening angle of an operating tool provided for tightening screwed connections, comprising:
- an angle measuring device arranged to be attachable at various positions along the operating tool;
- a fastening arrangement for detachably mounting said angle measuring device along said operating tool;
- and
- at least one angle sensor formed as an acceleration sensor provided for measuring a rotary angle electronically without external reference;
- wherein said angle measuring device is arranged to be selectively and detachably mounted by said fastening arrangement at predetermined areas along said operating tool.
2 more elements
Dependencies are inferred from the claim text.