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Torque tool

A tool and torque technology, applied in the field of angle wrench/torque wrench, to avoid moving too far and prevent mechanical damage

Inactive Publication Date: 2013-02-06
HAZET WERK HERMANN ZERVER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The possible consequences of this are a clear problem especially for tightenings with high safety requirements

Method used

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Examples

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Embodiment Construction

[0045] figure 1 A torque tool 1 according to the invention is shown having a tool shaft 2 and a handle 3 arranged on an end section A of the tool shaft 2 . A tool head 4 is arranged on the end section B of the tool shaft 2 opposite the handle 3 . The tool bit 4 leads into a shank, not shown in detail here, by means of which the tool bit 4 is inserted into the end section B of the tool shaft 2 and secured by a cotter pin 5 . In principle the cotter pin 5 can also be a detachable connecting element.

[0046] The handle 3 is fastened to the end section A of the tool shaft 2 via a connecting element 6 . An adjusting knob 7 is arranged on the free end of the handle 3 . The adjusting knob 7 is mounted rotatably about the longitudinal direction X of the tool shaft 2 inside the handle 3 and is prevented from being pulled out of the handle 3 by means of the connecting element 8 . In the central area of ​​the handle 3 is arranged a display element 9 by means of which the correspondi...

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PUM

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Abstract

The present invention relates to a torque tool having a tool shaft (2) and a handle (3) arranged at an end section of the tool shaft. A clamping unit is arranged within the handle and / or the tool shaft. Through the clamping unit the corresponding release torque is adjusted. The clamping unit comprises a screw nut (16) in the tool bar (2) which can move in the longitudinal direction (X) of the tool shaft. The screw nut is at least coupled indirectly with a display element (9). The release torque can be displayed by the display element. The display element (9) has a first scale (10) and a second scale (10a). The first scale (10) and the second scale (10a) are spaced from each other in the circumferential direction of the display element (9) and are opposite to each other by shifting of 180 DEG in the circumferential side.

Description

technical field [0001] The invention relates to a torque tool, in particular an angle wrench / torque wrench, according to the features of the preamble of claim 1 . Background technique [0002] Threaded connections require a defined tightening torque to ensure a reliable and durable connection of components. In order to transmit the required torque, a special screw tool is used as a torque tool in the form of an angle wrench or a torque wrench. and / or acoustic signals. [0003] For this purpose, the torque tool has, in most cases, a tensioning unit arranged on the inside, by means of which the transmittable tightening torque can be adjusted. The tensioning unit includes a spring-loadable release mechanism for this purpose. When the release torque is reached, the release mechanism usually withdraws the previously set spring force abruptly, for example by pivoting. The helical spring required for this is arranged between the release mechanism and the spindle nut. Through t...

Claims

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Application Information

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IPC IPC(8): B25B13/00B25B23/142
CPCB25B23/1427
Inventor T·拜尔特
Owner HAZET WERK HERMANN ZERVER
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