Title:
FLOOR WORKING MACHINE
Document Type and Number:
Japanese Patent JP2010029600
Kind Code:
A
Abstract:
To provide a floor working machine including a collection tank, a squeegee connected to the collection tank, and an electric vacuum pump for sucking air of the collection tank, wherein the vacuum pump is accurately prevented from sucking a collected object, irrespective of the characteristics of the collected object, while preventing an increase in size of the collection tank and securing a desired collection amount.
The floor working machine has a capacitance sensor 20 for detecting the full capacity of the collection tank 5. The capacitance sensor 20 has a sensor electrode 22 provided from a full capacity level L of the collection tank 5 to a level higher than the full capacity level L.
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Inventors:
FUJIMOTO KIMIYOSHI
NOMURA TOSHIHIKO
NOMURA TOSHIHIKO
Application Number:
JP2008197775A
Publication Date:
February 12, 2010
Filing Date:
July 31, 2008
Export Citation:
Assignee:
PENGUIN WAX KK
International Classes:
A47L11/294; A47L7/00; A47L11/12; A47L11/205; A47L11/284; A47L11/40
Domestic Patent References:
| JPH0634766Y2 | 1994-09-14 | |||
| JPS61102825A | 1986-05-21 |
Attorney, Agent or Firm:
Shuichiro Kitamura
Mountain Saki Tetsuya
Takashi Hamano
Mountain Saki Tetsuya
Takashi Hamano