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Tool receptacle, in particular a quick-change clamping chuck and its protecting device

A protective device and replaceable technology, which is applied in the direction of chucks, portable motorized devices, maintenance and safety accessories, etc., can solve the problem of damaged parts, etc., and achieve the effect of easy installation or disassembly, simple and economical installation or disassembly

Inactive Publication Date: 2005-02-23
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When using the portable power tool as intended, there is also the risk that parts in contact with the tool holder can be damaged by the machine tool, in particular by the tool holder

Method used

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  • Tool receptacle, in particular a quick-change clamping chuck and its protecting device

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Embodiment Construction

[0015] In the drawing, the end of a portable power-driven machine tool 10 is shown schematically, which consists of a screwdriver, drill or similar machine tool and is Driven by a drive motor and a rear-mounted, also not shown, transmission. The portable power tool 10 has at its end an axially arranged tool holder 20 , in particular in the form of a quick-change chuck, as shown. The tool holder 20 has a holding sleeve 21 with a locking device 22 for releasably locking a tool, not shown, which can be accommodated in the holding sleeve 21 . The tool is to be received by its shaft in an axially inner receiving cavity 23 of the holding sleeve 21 , for example having a polygonal profile, for example a hexagonal profile, adapted to the corresponding cross-sectional shape of the tool shaft. The locking device 22 has a locking sleeve 24 which overlaps the holding sleeve 21 and is axially displaceable and fixed on the holding sleeve. An O-ring 26 on the left side of a radially inward...

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PUM

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Abstract

A tool receptacle, in particular a quick-change clamping chuck, particularly for motor-operated hand-held machine tools 10, in particular screwdrivers, drills or the like, has a holding sleeve 21 with a locking arrangement 22 for detachably locking a tool which can be received in said holding sleeve 21. The holding sleeve 21 with the locking arrangement 22 is encompassed, on the outside, by an external protective arrangement 40 which masks their outer faces in a protective manner and which offers protection for the said outer faces as well as for components that come into contact therewith. The tool receptacle 20 is thereby protected against damage, any components that come into contact therewith also being likewise protected against being damaged by said tool receptacle 20.

Description

technical field [0001] The invention relates to a tool holder, in particular a quick-change chuck, for an especially portable power-driven machine tool, in particular a screwdriver, a drilling machine or similar machine tools, having a retaining sleeve with a locking device sleeve, the locking means for releasably locking a tool receivable in said holding sleeve. The invention also relates to a toolholder protection device. Background technique [0002] In particular power-driven portable machine tools, and in particular screwdrivers, drilling machines, etc., there is the danger that mechanically accessible parts of the tool holder can be damaged or damaged when the portable machine tool is in use, whereby The tool holder will lose its functionality. This is the case, for example, when a collar for securing a spring-loaded locking sleeve of the locking device is damaged or damaged. When using the portable power tool as intended, there is also the risk that parts in contac...

Claims

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Application Information

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IPC IPC(8): B25F5/00
CPCB25F5/006
Inventor 曼弗雷德·卡普夫赫尔穆特·瓦涅克迪特马尔·肯格特
Owner ROBERT BOSCH GMBH
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