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Combustion - powered working tool, in particular a setting tool for fastening elements

A technology for installing tools and fasteners, applied in the direction of nailing tools, manufacturing tools, etc.

Active Publication Date: 2008-01-30
HILTI AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If you want to keep this stroke short, you can only shorten the piston stroke

Method used

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  • Combustion - powered working tool, in particular a setting tool for fastening elements
  • Combustion - powered working tool, in particular a setting tool for fastening elements
  • Combustion - powered working tool, in particular a setting tool for fastening elements

Examples

Experimental program
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Embodiment Construction

[0022] A first embodiment of the present invention will be described in detail below with reference to FIGS. 1-7.

[0023] FIG. 1 shows a construction tool according to a first embodiment of the invention in perspective view and in axial section, which construction tool consists of a construction tool propelled by gunpowder power. The construction tool comprises a tool housing 1 with a handle 2 for holding the construction tool in a working position and a trigger 3 for igniting the construction tool in such a way that a fastener 4 can be mounted or injected into an object not shown.

[0024] In the tool housing 1 , a guide cylinder 5 is slidably mounted, ie in its axial direction parallel to the direction of piston advance indicated by the reference symbol 6 in FIG. 1 . The guide cylinder 5 has an axial longitudinal slot 7 into which a stop 8 fastened to the housing protrudes. The stop 8 is fixedly connected to the tool housing 1 so that the guide cylinder 5 can only move ax...

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PUM

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Abstract

The invention describes a combustion-operated working tool, in particular a setting tool for fastening elements, having a guide cylinder (5) axially displaceable relative to the device housing (1); a piston (9) displaceably mounted in the guide cylinder (6); a housing-integral stop (8), which projects into the guide cylinder (5) to delimit an engagement part of the piston (9) in the direction of advance of the piston (6), when the guide cylinder (5) is shifted in the direction of advance of the piston (6); and an elastic adjusting element (21-23), which is tensioned upon moving the guide cylinder (5) into the device housing (1) and by virtue of which an engagement part (28, 31) can be driven for carrying the piston (9) opposite to the direction of advance of the piston (6), after extension of the guide cylinder (5) out of the device housing (1).

Description

technical field [0001] The present invention relates to a combustion powered installation tool for fasteners. Here it can be a construction tool propelled by the combustion gases supplied to the ammunition pack or a construction tool propelled by the power of gunpowder. Background technique [0002] In conventional tools of this type, the piston return takes place with the ejection movement of the tool. Specifically, for this purpose, the guide cylinder receiving the piston is moved forwards relative to the tool housing, ie towards the outlet of the construction tool or towards the forward direction of the piston, after the installation process has been completed by means of a spring. A pawl or toggle fixed to the housing now restrains the piston so that the piston moves backwards relative to the pilot cylinder into its starting position, that is, the position opposite to the forward direction of the piston, during the discharge movement of the pilot cylinder . [0003] T...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B25C1/08B25C1/14
CPCB25C1/143
Inventor 格拉齐奥里·马里奥甘特纳·格布哈德普夫斯特·诺伯特
Owner HILTI AG