Speed selector switch

Details Speed selector switch Speed selector switch

A - Human Necessities

47

L

306/1

A47L 9/00 (2006.01) A47L 9/28 (2006.01) H01H 9/00 (2006.01) H01H 9/06 (2006.01)

Patent

CA 1167493

SPEED SELECTOR SWITCH ABSTRACT OF THE DISCLOSURE An electrical switch mechanism for energizing and varying the speed of a vacuum cleaner motor is responsive to the particular interchangeable cleaning attachment mounted on the housing of the vacuum cleaner. Fixed and movable elec- trical contacts of the switch mechanism are enclosed within and protected by the housing. A spring-biased linkage ele- ment connected to the movable contact passes through a wall of the housing and engages with one end of a multiposition cranklike linkage element pivotably fixed on that face of the housing supporting a cleaning attachment. Each attachment includes a switch-activating lug engageable with the other end of the cranklike element to move the movable contacts, via the linkage elements, from a normal open circuit position to one or the other of two closed circuit motor energizing positions.

411648

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