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Chain saw

A technology for chain saws and driving sprockets, which is applied in the field of chain saws and can solve the problems of reducing the connection strength between the rod and the housing

Inactive Publication Date: 2022-08-05
TECHTRONIC CORDLESS GP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This slotted engagement may reduce the strength of the connection between the rod and the housing

Method used

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  • Chain saw
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Examples

Experimental program
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Effect test

Embodiment 1

[0045] Embodiment 1. A chainsaw comprising: a housing; a motor; a rod fixedly coupled to the housing and configured to form a cutting track; a cutting tool configured to move along the cutting track and be driven by the motor; and a tensioning system configured to adjust tension in the cutting tool.

Embodiment 2

[0046] Embodiment 2. The chainsaw of any one or more of Embodiments, wherein the tensioning system includes a drive sprocket coupled to the motor and configured to drive the cutting tool, and wherein , the drive sprocket is configured to be displaced relative to the rod.

Embodiment 3

[0047] Embodiment 3. The chainsaw of any one or more of Embodiments, wherein the tensioning system comprises: a bracket; a tension adjustment element configured to displace the bracket; and An interface is located between the motor and the cutting tool, the interface is configured to adjust the tension of the cutting tool when the carriage is displaced.

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PUM

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Abstract

A chainsaw is provided. The chainsaw includes: a housing; a motor; a rod fixedly coupled to the housing and configured to form a cutting track; a cutting tool configured to move along the cutting track and drivable by the motor; and a tensioning system configured to adjust tension in the cutting tool.

Description

technical field [0001] The present disclosure relates generally to chainsaws, and more particularly to chainsaw tensioners. Background technique [0002] Chain saws typically use a cutting chain that includes a series of links, each link having one or more sharp edges. This series of links is connected to form a continuous blade that, when placed on the surface and driven by a drive motor, can cut into the surface to cut through the surface. [0003] Continuous blades may elongate after prolonged use. That is, the length of the chain of links may become larger. As a result, the continuous blade may sag. Sagging of the continuous blade may result in reduced performance, jumping of the continuous blade from the rod below, and reduced operational safety. To prevent sagging, the operator typically must adjust the position of the lower lever relative to the drive motor. This operation may be difficult due to worn parts. Furthermore, this manual operation is time-consuming a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27B17/00B27B17/08
CPCB27B17/00B27B17/08B27B17/14B23D57/023
Inventor R·J·霍夫曼C·霍尔曼S·里德
Owner TECHTRONIC CORDLESS GP