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electrical tools

A technology of electric tools and tools, which is applied in the direction of motor tools, manufacturing tools, striking tools, etc., can solve the problems of increased installation area, increased number, and complexity, and achieve the change of set torque value, reduction of size and weight, The effect of a simple structure

Active Publication Date: 2016-04-06
MAKITA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0020] However, if manipulating units and display units are provided for each operation mode like this, the number of manipulating units and display units for changing and displaying control parameters increases as the types of operation modes under which control parameters can be changed increase and get complicated
The mounting area for mounting these components in the electric tool increases, which leads to an increase in the cost of the electric tool

Method used

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Embodiment Construction

[0110] Preferred embodiments of the present invention are described below with reference to the drawings.

[0111] as in figure 1 As shown in , the power tool 10 of the present invention is configured as a rechargeable four-mode impact driver capable of operating in four operating modes.

[0112] More specifically, the power tool 10 includes a main body housing 14 and a battery pack 15 . The main body case 14 is formed by assembling the half cases 11 and 12 . The handle 13 extends below the main body housing 14 . A battery pack 15 is detachably attached to the lower end of the handle 13 .

[0113] In the rear portion of the main body housing 14, a motor housing 16 accommodating a motor 30 is provided (see Figures 2A-2C , Figure 4 and other drawings). The motor 30 is a power source of the electric tool 10 . Further forward than the motor housing 16, a driving force transmission unit 45 including various types of transmission mechanisms is housed (see Figures 2A-2C )....

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PUM

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Abstract

An electric tool, including: a motor; a manipulation input receiving unit that receives a user's manipulation input and is used to rotate the motor; a mode conversion unit having a manipulation portion manipulated by the user; and a rotational driving force transmission unit that is connected to the manipulation portion The transmission mechanism is switched to one of the transmission mechanisms corresponding to the set position of the control part in conjunction with the operation, and the rotational driving force of the motor is transmitted to the tool output shaft via the switched transmission mechanism; an electrical signal output unit, which outputs an electrical signal corresponding to the set position of the operating portion; and a motor control unit that sets the control method of the motor to a preset electrical signal among a plurality of different types of control methods based on the electrical signal from the electrical signal output unit. A certain control method is used, and the motor is controlled by setting the control method based on the user's control details.

Description

technical field [0001] The invention relates to a power tool provided with a plurality of operating modes. Background technique [0002] A conventionally known electric tool has a motor as a drive source and is configured to be selectively operable in one of a plurality of operating modes (hereinafter, referred to as a "multi-mode electric tool"). [0003] For example, Japanese Patent No. 3656887 discloses a vibratory driver drill configured such that the mechanical mechanism is switched by rotation of a dial-type switching member, thereby enabling at least two operating modes among vibratory mode and drilling mode switch between. [0004] In addition to the above-mentioned power tools, for example, there is known a power tool provided with four operation modes of drilling mode, clutch mode, vibration drilling mode and impact mode, which is constructed so that the user can One of the operation modes is set by switching the handle (for example, see Japanese Patent No. 43919...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23B45/16B25F5/00
CPCB25B21/00B25B21/02B25B23/14B25D2250/221B25D16/003B25D16/006B25D2250/165B25D2216/0023B25D2216/0038
Inventor 须田秀和草川卓也
Owner MAKITA CORP