Control circuitry for enabling drive system for vacuum cleaner

Details Control circuitry for enabling drive system for vacuum cleaner Control circuitry for enabling drive system for vacuum cleaner

2006-02-21

2006-02-21

Till, Terrence R. (Department: 1744)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S340200, C015S412000

Reexamination Certificate

active

07000285

ABSTRACT:
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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Website: Hitachi power semiconductor home page: http://www.hitachi.com.ip/pse, High-Voltage Monolithic IC, ECN3030F/3031F, PDE-3030F/31F-0, pp. 1-7 (2003).

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