Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1995-04-05
1996-03-05
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15412, A47L 928
Patent
active
054956366
ABSTRACT:
Vacuum cleaner is provided with independently operating on/off switches on the handle and the motor housing. A vacuum cleaner comprises a motor housing (2), which accommodates a suction motor (10) and a control unit (12) for controlling the suction motor (10), a hose 4, which can be coupled to the motor housing (2) and has a handle 8, a command switch (14) on the handle (8), for supplying a first on/standby command signal to the control unit (12), and a main switch (16) on the motor housing (2) for supplying a second on/standby command signal to the control unit (12). The command switch (14) and the main switch (16) operate independently of one another. As a result, the suction motor (10) can be switched on and off both at the handle (8) and at the motor (2) regardless of the position of the main switch (16).
REFERENCES:
patent: 3579706 (1971-05-01), Hetland
patent: 3588943 (1971-06-01), Hetland
patent: 3636285 (1972-01-01), Wickham et al.
patent: 4052767 (1977-10-01), Dutcher
patent: 5301385 (1994-04-01), Abe et al.
patent: 5363534 (1994-11-01), Dekker et al.
Bultena Bert P.
Dekker Jan H.
Bartlett Ernestine C.
Moore Chris K.
U.S. Philips Corporation
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