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Patent Searching and Data


Title:
HAND CONTROL SWITCH FOR VACUUM CLEANER
Document Type and Number:
Japanese Patent JP3720128
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a vacuum cleaner which prevents the air inlet/outlet port (air vent hole) of the switch from being blocked with a finger, which can smoothly deform and recover the disk, and which also enables a superior clicking feel at the time of the suction control operation.
SOLUTION: The hand control switch is so structured that, in making a fixed contact point 37, 38 conductive or nonconductive through the deformation of a disk 39 downward against its own elasticity, by pressurizing or depressurizing the conductive disk 39 and the cover 40 adhered to it; the air inside the disk 39 is supplied or discharged through a vent hole 43 formed on the cover partially extending over the edge of the disk 39; and that the inlet/outlet port extends over the edge on the extension tube side of the elastic contact piece.


Inventors:
Nobuhiko Kuwahara
Application Number:
JP20007596A
Publication Date:
November 24, 2005
Filing Date:
July 30, 1996
Export Citation:
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Assignee:
TOSHIBA TEC CORPORATION
International Classes:
A47L9/28; H01H15/02; (IPC1-7): A47L9/28; H01H15/02
Domestic Patent References:
JP3082431A
JP3084525U
Attorney, Agent or Firm:
Tamio Nishiwaki