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Shock-absorbing system for fastener driving tools

一种震动吸收、紧固件的技术，应用在制造工具、钉钉工具、轻便机动装置等方向

Inactive Publication Date: 2007-01-31
ILLINOIS TOOL WORKS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The aforementioned US Patent 5,197,646 to Nikolich describes suitable means for shortening the overall length of a combustion driven tool; however, there is still a need for further improvement in the weight of the overall tool

Method used

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  • Shock-absorbing system for fastener driving tools
  • Shock-absorbing system for fastener driving tools
  • Shock-absorbing system for fastener driving tools

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] Referring now to Figure 1, a combustion chamber device having the characteristics of the shock absorbing system of the present invention is marked with 10 and is intended for use in combustion-driven tools, especially in the type of handling fasteners. Combustion drive tools suitable for use in conjunction with the system are described in detail in the patents incorporated into this application by reference and citation above. It is known from the prior art that the combustion chamber device 10 includes a sleeve-type spool valve 12, which is generally preferably cylindrical. The sleeve spool valve 12 includes a lower end 14 and an upper end 16. It is known in the prior art of combustion tools that the sleeve slide valve 12 is slidingly engaged on a cylinder block 18 which is generally cylindrical. The upper end 20 of the cylinder block 18 generally corresponds to the upper end 16 of the sleeve spool valve 12, and the lower end 22 of the cylinder block extends below the lowe...

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PUM

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Abstract

A combustion chamber assembly for use in a combustion-powered fastener driving tool, includes a cylinder body, a reciprocating probe assembly slidably disposed relative to the cylinder body between a first, extended position and a second, retracted position, and at least one shock-absorbing member operationally associated with at least one of the cylinder body and the probe assembly for reducing shock load generated by the tool during combustion and transmitted between the probe assembly and the cylinder body. In another embodiment, a single spring disposed between the probe assembly and the cylinder body is configured for biasing the probe assembly into the first position.

Description

Technical field [0001] The present invention relates to improvements in combustion tools, such as combustion tools of the type used to manipulate fasteners into workpieces. More specifically, the present invention relates to high-power combustion tools. Background technique [0002] Suitable combustion propelling tool devices are described in US Patent Nos. 5197646 and US Patent Nos. 32,452, 4,552,162, 4,483,473, 4,483,474, 4,403,922, and 5,263,439, commonly assigned to Nikolich, which are incorporated herein by reference. The fastener manipulation tool is available from ITW-Paslode (Illionis Tool Parts Co., Ltd. branch) of Vernon Hills, Illionis, and bears its IMPULSE trademark. [0003] The tool usually has a pistol-shaped tool housing encapsulating a small internal combustion engine. The engine is driven by a compressed fuel tank, also known as a fuel cell. The high-power battery-driven power distribution unit generates ignition sparks. The fan located in the combustion chambe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25C1/08
CPCB25C1/08B25F5/006B25C1/00
Inventor 尤里·什科利尼科夫沃尔特·J.·泰勒
Owner ILLINOIS TOOL WORKS INC