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Tool comprising drive device and start and/or brake

A technology for working tools and driving devices, applied in the direction of manufacturing tools, woodworking tools, cutting tools, etc.

Inactive Publication Date: 2010-09-29
DOLMAR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage is that the half-speed switch is not integrally formed in the handle mechanism

Method used

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  • Tool comprising drive device and start and/or brake
  • Tool comprising drive device and start and/or brake
  • Tool comprising drive device and start and/or brake

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0021] figure 1 A pistol grip 2 surrounding a hand hole 1 is shown, including a brake button 3 and a throttle button 4 . The pistol handle 2 can be connected to the end of a hedge trimmer (not shown) on the user's side.

[0022] exist figure 1 , the drive for the hedge trimmer and the cutting tool will be located on the right side of the pistol handle 2. The brake button 3 is connected to a brake cable assembly 5 which starts from the brake button 3 and winds inside the pistol handle 2 slightly beyond half of the circumference of the hand hole 1 . The speed regulating button 4 is connected with the speed regulating cable assembly 6, and the speed regulating cable assembly 6 is wound slightly beyond three quarters of the circumference of the hand hole 1 .

[0023] The brake button 3 is rotatable about a brake button axis 7, the end of which is arranged on the user side. The governor button 4 is rotatable about a governor button axis 8 , the end of which is arranged on the s...

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PUM

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Abstract

The invention relates to a working device with a drive for a tool, a starting or switching-off brake device for the tool, comprising a brake lever (3) which may be externally operated by a user, by means of which a starting or switching-off brake may be operated and a device by means of which the rotational speed of the drive may be altered with a throttle lever (4) which may be externally operated by the user. The brake lever (3) and the throttle lever (4) are arranged on a handle (2) such as to be simultaneously reached by the hand of the user, whereby the throttle lever (4) may be operatedwith an applied starting or switching-off brake.

Description

technical field [0001] The invention relates to a power tool comprising a drive and an activating and / or disengaging brake. Background technique [0002] Work implements in the form of hedge trimmers, angle grinders, edge cutters or motorized chain saws are already known to us. With work implements powered by an internal combustion engine, there is the problem that when the device is activated or disengaged, the tool may start or continue running prematurely and may injure the user. In order to avoid such starting, it is common to provide a starting brake which locks the tool during starting. [0003] DE 3639650 A1 discloses a starting brake that can be activated by a locking button. The starter brake is used while releasing it by pressing the lock button inside the handle when the lock button is extended from the handle. The speed lever is operatively connected to the lock button so that the speed lever can only be moved after the lock button is depressed. The disadvant...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G3/00B27B17/08A01D34/68
CPCA01G3/053Y10T74/20648
Inventor C·维克M·耶瑟
Owner DOLMAR