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Handle and hand-held power tool

A technology of hand-held machine tools and hand-held tools, which is applied in the direction of hand-held tools, manufacturing tools, portable mobile devices, etc., can solve the problem that the potential of vibration isolation is not fully utilized, and achieve the effect of compact design and increased use range

Active Publication Date: 2021-02-02
HILTI AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, good vibration isolation potential is often not fully utilized

Method used

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  • Handle and hand-held power tool
  • Handle and hand-held power tool
  • Handle and hand-held power tool

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0041] figure 1 A schematic illustration of an exemplary embodiment of a hand-held power tool 1 is shown. The hand-held power tool 1 can be, for example, a drill hammer, a chisel hammer, a core drill, a saw, a grinder, a screwdriver, a pin driver or the like.

[0042] The hand-held power tool 1 comprises a housing 2 to which, for example, a battery (not shown) is fastened. Alternatively, a cable connectable to a socket can also be provided on the housing 2 . In addition, housing 2 includes a main handle (not shown), which is figure 1 The orientation is set to the right. A fastening device 3 is also provided for fastening a tool, in particular a cutting tool such as a drill bit, to the hand-held power tool 1 . Fixture 3 in figure 1 The orientation is set to the left. The fastening device 3 is, for example, a jaw chuck or a drill chuck. The housing 2 comprises a fastening section 4 . The cross-section of the fastening section 4 is preferably cylindrical, in particular cy...

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PUM

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Abstract

The invention relates to a handle for a hand-held power tool comprises a handle section which can be gripped by an user, a fastening section by means of which the handle can be fastened to the hand-held power tool, and a vibration decoupling device which is designed to decouple vibrations acting on the fastening section from the grip section, wherein the vibration decoupling device has a spring element with an adjustable spring stiffness.

Description

technical field [0001] The invention relates to a handle for a hand-held power tool and to a hand-held power tool with such a handle. Background technique [0002] A hand-held machine tool, such as a drill, may include a main handle disposed on the rear of the hand-held machine tool and side handles disposed on the front of the hand-held machine tool. The side handle is usually fastened releasably to the hand power tool. In order to prevent or at least reduce oscillations or vibration transmission from the hand power tool to the side handle, foam or elastomers can be used as springs. In this case, such springs are usually designed for only one frequency to be isolated. [0003] These springs cannot be adapted to different applications if the frequency changes during use of the hand-held power tool due to the application, the setting or the operating frequency of the hand-held power tool. These systems therefore only have a single scope of application that is optimally coo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25F5/02B25G1/00B25G1/01B25F5/00
CPCB25F5/006B25F5/026
Inventor E-R·吕布克特A·斯坦因格鲁伯尔
Owner HILTI AG