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Power tool having an integrated control system(精彩专利)

• 专利号：EP2168736 (A2)
• 专利所有者：BLACK & DECKER INC [US]
• 专利授权时间：2010/5/5
• 有效区域：world
• 专利信息来源说明：中国电动工具网
• 专利所属分类：电圆锯
• 专利更新时间：2010/5/5

专利摘要：

Inventor(s): SCHELL CRAIG [US]; USSELMAN ROBERT A [US]
Applicant(s): BLACK & DECKER INC [US]
Classification:  
- international: B27G19/02; B27G19/10; F16P3/14; B27G19/00; F16P3/00 
- European: B27G19/02; B27G19/10; F16P3/08; F16P3/14 
Application number: EP20090171377 20090925  
Priority number(s): US20080101182P 20080930 

 

Abstract of EP 2168736  (A2)
A power tool (20) having an integrated control system includes a workpiece supporting surface (24), a cutting instrument (28) extendable above the workpiece supporting surface, a guard assembly (52) securable above the workpiece supporting surface for covering at least a portion of the cutting instrument, the guard assembly having a first state for providing a first level of protection and a second state for providing a second level of protection, a motor coupled with the cutting instrument, and a power switch operable for starting the motor for driving the cutting instrument. The power tool includes a control system (100) in communication with the guard assembly for determining if the guard assembly is in the first state or the second state. Before the motor is started, the control system (100) automatically disables the motor if it determines that the guard assembly is in the second state. The control system includes a bypass switch (126) for enabling starting of the motor when the guard assembly is in the second state. 

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