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Fuel-operated setting device

A technology for driving a piston and an interrogation device, which is applied to nailing tools, manufacturing tools, etc., can solve problems such as complex structure and achieve the effect of simple structure

Inactive Publication Date: 2012-03-21
FISCHERWERKE ARTUR FISCHER GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As expressed in the patent document DE 2 026 227 A, however, it is more complicated structurally to adapt to various nail lengths
Therefore, this structure is not actually commonly used

Method used

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  • Fuel-operated setting device
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Examples

Experimental program
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Embodiment Construction

[0028] Installation device 1 shown in the accompanying drawings, 1 ' for the sake of clarity at a glance, in the attached Figure 1a-1c and in figure 2 with Figure 4 Neither the ignition mechanism, the cartridge case, nor the handle are shown, and there are no vent holes for combustion gases, as this is irrelevant as far as piston return is concerned. in the attached Figures 3a-3d In , these components, except the handle, are shown separately to illustrate the interrogation device for driving the piston and its connection to the ignition mechanism. In the shown installation devices 1, 1', it is a powder-driven installation device 1, 1', but it can also be a gas-driven installation device.

[0029] First follow Jane Figure 1a-1c Indicates the main components and main functions of the first embodiment, and then also by figure 2 And 3a-3d illustrate structural details. then press Figure 4 The second embodiment will be described.

[0030] The installation device 1 is us...

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PUM

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Abstract

The invention relates to a fuel-operated setting device (1) for driving bolts (2) into foundations (3), said device comprising a housing (33), a driving piston (4), a piston guiding element (9), a lateral insertion opening (7), and a receiving space (8) for the magazine feeding of a bolt (2). The aim of the invention is to provide a mechanism for the retraction of the driving piston (4), that is as simple as possible. To this end, the bolt (3) is used as an abutment (26) for the retraction of the driving piston (4).

Description

technical field [0001] The invention relates to an internal combustion-driven setting device for driving nails into a substrate having the features of claim 1 . Background technique [0002] Such an installation device or machine is known on the market as a nailing device, for example. They are especially used for driving nails into concrete as dowels. Due to the ignition of a combustible propellant, such as powder or gas, in an internal combustion chamber, the drive piston is accelerated. This driving piston acts on the nail inserted in a receiving chamber before. In particular, the nail is driven into the substrate without pre-drilling, wherein it is at least partially guided by the nail guide. [0003] In order to return the drive piston to the starting position for the next injection process after the nail has been injected, many solutions have been proposed in the past. [0004] One is that there are systems that use an accumulator to return the piston. It is known...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25C1/14
CPCB25C1/143
Inventor W.豪格M.泽A.施图姆普
Owner FISCHERWERKE ARTUR FISCHER GMBH & CO KG