发明名称 |
Control circuitry for enabling drive system for vacuum cleaner |
摘要 |
A self-propelled appliance comprises a base, electric motor mounting the base, a handle moveably depending from the base and a drive wheel mounted in the base and operatively connected to the motor. The control circuits comprising an enable switch and a base switch control the communication of power from the power supply to the motor relative to a gripping of the handle by a user of the appliance and a selective positioning of the handle relative to the base.
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申请公布号 |
US7000285(B2) |
申请公布日期 |
2006.02.21 |
申请号 |
US20030339097 |
申请日期 |
2003.01.09 |
申请人 |
ROYAL APPLIANCE MFG. CO. |
发明人 |
CONNER MICHAEL P.;PALIOBEIS STEVEN J.;VYSTREIL ROBERT A.;PIGZA MARK A. |
分类号 |
A47L5/28;A47L9/00;A47L9/28;A47L9/32 |
主分类号 |
A47L5/28 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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