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Publication of BE677590ApublicationCriticalpatent/BE677590A/xx
H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
H01H9/02—Bases, casings, or covers
H01H9/06—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner
H01H9/061—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner enclosing a continuously variable impedance