H - Electricity – 01 – H
Patent
H - Electricity
01
H
348/12, 15/47, 3
H01H 3/02 (2006.01) H01H 3/20 (2006.01)
Patent
CA 2029621
ABSTRACT A multi-function interlocking vacuum cleaner control switch is disclosed. The switch provides for both ON/OFF control as well as speed control, in a unified switch mechanism. Mechanical logic apparatus interfaces ON/OFF function with attachment of inlet accessories and/or of a collection bag to the vacuum cleaner. Whenever an accessory or a bag is attached to the cleaner, the main power switch, if ON, is turned OFF. Removal of an inlet accessory or a collection bag during vacuum cleaner operation overrides the main power switch and interrupts power to the vacuum cleaner rotor, irrespective of the state or condition of the main power switch.
Heubsch John A.
Lackner John R.
Mital Dennis
Heubsch John A.
Lackner John R.
Mital Dennis
Ridout & Maybee Llp
LandOfFree
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