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Method of compensating for adapters or extensions on an electronic torque wrench

An adapter, torque sensor technology, applied in the direction of wrenches, manufacturing tools, screwdrivers, etc., can solve the problems of damaged fasteners and related components, time-consuming, incorrect final torque, etc.

Inactive Publication Date: 2014-11-12
SNAP ON INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, calculations can be time-consuming and errors may occur when performing calculations
If calculated incorrectly, the final torque applied to the fastener will be incorrect and may result in damage to the fastener and associated components

Method used

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  • Method of compensating for adapters or extensions on an electronic torque wrench
  • Method of compensating for adapters or extensions on an electronic torque wrench
  • Method of compensating for adapters or extensions on an electronic torque wrench

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Embodiment Construction

[0023] The present invention can have many embodiments in different forms; here, one embodiment of the present invention will be described in detail with the drawings. It should be understood that this disclosure should be considered as an illustration of the principles of the invention and not as a limitation of the invention in its broad aspects to the embodiments shown.

[0024] The present application discloses electronic torque tools that allow a user to adjust a torque length, also referred to herein as an offset length, to compensate for an adapter or extension connected to the tool. When the tool head of the tool is replaceable, the tool may also comprise input means for inputting the head length. The tool may also include an input device for entering a specific code for the adapter, extension, or replaceable tool head, wherein the tool may use a search list to automatically determine the offset length. In one embodiment, the code may be imprinted on the extension, ad...

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Abstract

The present disclosure relates to electronic torque tools that allow an offset length of an adapter or extension being used in conjunction with the tool to be input into the tools. The tools may also include an input for a head length, when the head of the tool is interchangeable. The tools use the input(s) to calculate a correction factor. The correction factor is used to adjust the torque measurement of the tools so that the tools display the actual torque value without the need for re-calibration or the performance of external calculations.

Description

technical field [0001] The present application relates to tools for applying torque to a workpiece. More specifically, the present application relates to an electronic torque wrench that can be equipped with an extension and an adapter. Background technique [0002] Electronic torque wrenches are commonly used in automotive and industrial applications to apply a predetermined amount of torque to a workpiece, such as a threaded fastener. For example, a fastening system may require fastening components, such as nuts and bolts, to be tightened at a desired amount or range of torques. Securing fastening components at the desired torque setting allows the component to be securely connected to the associated structure without under-tightening or over-tightening the components. Insufficient tightening of parts may cause parts to come off unexpectedly. Overtightening of parts may result in difficulty in part disassembly, or may damage parts or fasteners. To prevent under-tighten...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25B23/14
CPCB25B23/1422B25B23/0021B25B23/1425
Inventor 杰里·A.·金杜安尼·A.·瓦利乔斯安德鲁·R.·罗伯克里斯·劳顿内森·李
Owner SNAP ON INC
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