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1. 发明专利

JP2000060777A SUCTION TOOL FOR VACUUM CLEANER 失效
公开(公告)号：JP2000060777A
公开(公告)日：2000-02-29
申请号：JP23242298
申请日：1998-08-19
申请人： MITSUBISHI ELECTRIC CORP , MITSUBISHI ELECTRIC HOME APPL
发明人： MARUYAMA TOSHIYUKI
IPC分类号： A47L9/04 , A47L9/08
摘要： PROBLEM TO BE SOLVED: To make obtainable a sufficient suction wind for forwarding refuse even below an air turbine storing part in a bottom case for a suction tool while both driving performance and dust sucking performance of the air turbine are simultaneously satisfied. SOLUTION: In the suction tool main body prepd. by connecting a bottom case with a suction hole, a top case 18 and a suction hole joint 19, a wind path continuing from a suction hole 37 provided on the peripheral wall to the suction hole joint 19 is formed and an air turbine 26 rotating and driving a brush 21 arranged in the suction hole by utilizing wind force during suction on the midway of the wind path and a slit facing the floor face is formed in an air turbine storing part in the wind path in the bottom case.

2. 发明专利

JPH11239556A ELECTRIC VACUUM CLEANER 失效
公开(公告)号：JPH11239556A
公开(公告)日：1999-09-07
申请号：JP4484698
申请日：1998-02-26
申请人： MITSUBISHI ELECTRIC CORP , MITSUBISHI ELECTRIC HOME APPL
发明人： MARUYAMA TOSHIYUKI , MOTOKI KAZUSHIGE , HASU KOJI
IPC分类号： A47L9/24 , A47L9/02
摘要： PROBLEM TO BE SOLVED: To face the front surface of a floor brush even to the side face direction of a user without making a user move, to surely suck dust from a floor surface at a wall edge and to perform cleaning in more than the width of the floor brush even to the floor surface having a narrow clearance to be disturbed with an obstacle at the upper part of the floor brush. SOLUTION: This electric vacuum cleaner is composed of a communication pipe 22 freely vertically turnably connected to the floor brush 1, a connection pipe 23 connected to the communication pipe 22 freely rotatably in the peripheral direction, an intake pipe 4 freely attachably and detachably connected to the connection pipe 23 and extended to an oblique the upper part, a handy hose freely attachably and detachably connected to the intake pipe 4 and provided with a handy hose operation part and a vacuum cleaner main body connected through a hose to the handy hose. An end part side to be connected to the connection pipe 23 in the communication pipe 22 is obliquely formed so as to be away from the floor brush 1 when the communication pipe 22 is horizontal to the floor surface 10 and the turning surface A of the connection part of the communication pipe 22 and the connection pipe 23 is formed obliquely to the floor surface 10.

3. 发明专利

JPH1189771A ELECTRIC VACUUM CLEANER 失效
公开(公告)号：JPH1189771A
公开(公告)日：1999-04-06
申请号：JP25952297
申请日：1997-09-25
申请人： MITSUBISHI ELECTRIC CORP , MITSUBISHI ELECTRIC HOME APPL
发明人： MARUYAMA TOSHIYUKI , KITAKOMI TAKESHI
IPC分类号： A47L9/00 , A47L7/00 , A47L9/28
摘要： PROBLEM TO BE SOLVED: To detect a temperature and humidity of a floor correctly by separating a detector which detects information about tick and a display which displays the information about tick and setting a detector on the upstream side of a power blower. SOLUTION: On driving a power blower 2 on the electric vacuum cleaner main body 1, dust on a floor is sucked from suction opening 4 to the main body 1. The temperature and moisture analyzer 8, which is set in the hose joint, detects the temperature and humidity of the room to clean. It displays the condition with a display part 18 on the main body 1, if it is suitable temperature and humidity for tick to propagate, and it sucks stronger. Setting the temperature and moisture analyzer 8 on the upstream side of a power blower 2 and the bottom part of a dust collecting room hood, it avoids the influence of an exhaust heat from the power blower 2, detects near environment of the cleaning objects, displays more properly and controls a forces of the main body's suction.

4. 发明专利

JPH10262876A SUCTION EQUIPMENT FOR VACUUM CLEANER 失效
公开(公告)号：JPH10262876A
公开(公告)日：1998-10-06
申请号：JP7716297
申请日：1997-03-28
申请人： MITSUBISHI ELECTRIC CORP , MITSUBISHI ELECTRIC HOME APPL
发明人： ISHII SHIRO , HASU KOJI , MARUYAMA TOSHIYUKI , CHICHII KAZUO , KAMIOKA TAKANOBU
IPC分类号： A47L9/28 , A47L9/02
摘要： PROBLEM TO BE SOLVED: To make it possible to improve operational property of assembly with suction equipment and installation of lead wires and to secure a wide wind route of a wiring cover without affecting an air flow within a suction route. SOLUTION: At the bottom of a suction route of the lower case 3 of a suction equipment 1, a groove 19 and a notch 18a in a line with the groove 19 on both side walls 17a constituting the suction route of the lower case, are installed and a lead wire 21 is housed in the groove 19. The groove 19 and the notch 18a are closed by a U-letter shaped wiring cover 38 which is engaged removably with the lower case 3. On the wiring cover 38, at both ends of the U-letter shaped leg part 39a, a rib 43a stretching between edges of the notch 18a in which the wiring cover engages, is installed and a wind route 44a is formed downward of the rib 43a.

5. 发明专利

JP2001000372A VACUUM CLEANER 失效
公开(公告)号：JP2001000372A
公开(公告)日：2001-01-09
申请号：JP17802399
申请日：1999-06-24
申请人： MITSUBISHI ELECTRIC CORP , MITSUBISHI ELECTRIC HOME APPL
发明人： IGARASHI AKIRA , MARUYAMA TOSHIYUKI
IPC分类号： A47L9/00 , A47L5/14 , A47L9/04 , A47L9/08
摘要： PROBLEM TO BE SOLVED: To provide a vacuum cleaner allowing exhaust from an electric blower to positively pass through inside a brush storage chamber to move dust into a dust collecting case even if a suction port is blocked while cleaning a relatively long-fluffed carpet. SOLUTION: This vacuum cleaner is provided with a cleaner body 2 provided with a dust collecting chamber and an electric blower 16, and a floor brush body 3 having a suction port at the bottom face of a brush storage chamber for storing a rotating brush 25. In this case, an exhaust outlet 28 of an exhaust air duct communicating with the electric blower 16 is provided behind the brush storage chamber, and an intake inlet 30 of an intake air duct communicating with the dust collecting chamber is provided in front of the brush storage chamber.

6. 发明专利

JP2000126094A SUCTION PORT BODY OF VACUUM CLEANER 失效
公开(公告)号：JP2000126094A
公开(公告)日：2000-05-09
申请号：JP30059198
申请日：1998-10-22
申请人： MITSUBISHI ELECTRIC CORP , MITSUBISHI ELECTRIC HOME APPL
发明人： YAMAZAKI MASAHIRO , MARUYAMA TOSHIYUKI
IPC分类号： A47L9/02
摘要： PROBLEM TO BE SOLVED: To efficiently and surely suck dust and refuse near a wall surface by forming a specified number or more of slits or openings in the connecting part of a bumper with a guard so that the guard is bendable from the connecting part to the sucking port side by the negative pressure within a suction chamber. SOLUTION: When a cleaning of a carpet or flooring is started, a guard 8 suspended from a bumper 7 is inclined from the root part having weak elastic force formed with small holes 12 toward a horizontally long sucking port 4 side by the negative pressure caused within a suction chamber 5. According to this, an air passage is ensured between the bumper 7 and a wall surface. Since the air velocity carried between the bumper 7 and the wall surface is raised as a suction port body 1 approaches the wall surface, whereby the guard 8 is further pressed, the guard 8 is inclined more deeply from the root part toward the horizontally long suction port 4 side. The dust at the wall edge can be smoothly blown off and moved to the horizontally long suction port 4.

7. 发明专利

JPH0994191A ELECTRIC VACUUM CLEANER 失效
公开(公告)号：JPH0994191A
公开(公告)日：1997-04-08
申请号：JP24179995
申请日：1995-09-20
申请人： MITSUBISHI ELECTRIC CORP , MITSUBISHI ELECTRIC HOME APPL
发明人： KOIKE TOSHIO , MARUYAMA TOSHIYUKI
IPC分类号： A47L9/24 , A47L5/00 , A47L9/28
摘要： PROBLEM TO BE SOLVED: To provide an electric vacuum cleaner in which current feed to the electric component of a suction tool for floor can be made certainly even if an extension hose is expanded or contracted, by forming the extension hose from a major diametric pipe and a minor diametric pipe which are fitted to each other with possibility of mutual sliding, furnishing a current feeding conductor at the periphery of the major pipe, and furnishing a current feeder at the periphery of the minor pipe. SOLUTION: An extension hose is composed of a major diametric pipe 12 and a minor diametric pipe 13, which are fitted to each other with possibility of mutual sliding. If the operating part 14 is pushed to vary the length of this extension hose, a resilient stopper piece of a stopping tool 17 spreads to cause slipping-off from detaining recess furnished at the peripheral surface of the major diametric pipe 12. With this condition held, the minor pipe 13 is drawn out of the major 12 for a certain length, and the push on the operating part 14 is ceased, and now the stopper piece will be fitted in the mating recess, and the extension hose itself is fixed with this length. At this time, the current feeder 34 of the minor pipe 13 forms an electric circuit at all times because a cylinder 35 moves within the cover 26 of the major pipe 12 and a terminal plate 38 slides on a current feeding conductor 22 with their contacted condition maintained.

8. 发明专利

JPH06269382A VACUUM CLEANER 失效
公开(公告)号：JPH06269382A
公开(公告)日：1994-09-27
申请号：JP6205193
申请日：1993-03-22
申请人： MITSUBISHI ELECTRIC HOME APPL , MITSUBISHI ELECTRIC CORP
发明人： MARUYAMA TOSHIYUKI
IPC分类号： A47L9/04 , A47L9/28
摘要： PURPOSE:To prevent intrusion of dirt and dust onto a detector and spring side without making any influence on effect of a floor surface sensor, by dividing a contactor side of a floor surface detector installed in a floor brush from the detector and spring side by means of a sheet of elastic material. CONSTITUTION:A central part of a sheet 26 which is cup-shaped in the cross section and made of an elastic material such as rubber and polyvinyl chloride is fixed between a first movable member 21a and a second movable member 21b, and its outer flange part is fixed airtightly between a lower case 11 and a middle case 13. A spring 24 is interposed between a spring seat 25 attached to the second movable member 21b and an upper case 18, so as to press a floor surface sensor 20, hence, a contactor 23 downward. A lower part of the lower case 11 and a part above it (an upper part of the lower case 11, an inner case 13 and the upper case 18) are divided by a deformable sheet 26 made of an elastic material. Further, as the spring 24 is arranged within the upper case 18, a detector 15 and spring side can be protected from intrusion of dirt and dust without making any influence on the effect of the floor surface sensor 20.

9. 发明专利

JP2002238819A HOSE FOR VACUUM CLEANER 失效
公开(公告)号：JP2002238819A
公开(公告)日：2002-08-27
申请号：JP2001043376
申请日：2001-02-20
申请人： MITSUBISHI ELECTRIC CORP , MITSUBISHI ELECTRIC HOME APPL , KOWA CO
发明人： MARUYAMA TOSHIYUKI , HASU KOJI , BABA MASAHIRO , YOSHIFUKU HIDETOSHI , KUWABARA TATSUYA
IPC分类号： A47L9/24
摘要： PROBLEM TO BE SOLVED: To provide a hose for a vacuum cleaner with little pressure loss. SOLUTION: This hose for the vacuum cleaner is provided with an inner tube with a flat inner surface with a fixed inner diameter, and a bellows part formed at the outer peripheral part of the inner tube. The bellows part has a first metal wire spirally wired through a constant clearance from the outer peripheral surface of the inner tube; an intermediate layer provided to cover the first metal wire and having a projecting part containing the first metal wire and a recessed part coming in contact with the inner tube; a second metal wire wired at the outer peripheral part of the recessed part of the intermediate layer; and an outer layer provided to contain the second metal wire.

10. 发明专利

JPH11123165A SUCKING APPLIANCE FOR VACUUM CLEANER 失效
公开(公告)号：JPH11123165A
公开(公告)日：1999-05-11
申请号：JP28929897
申请日：1997-10-22
申请人： MITSUBISHI ELECTRIC CORP , MITSUBISHI ELECTRIC HOME APPL
发明人： YAKIDA KIYOSHI , MARUYAMA TOSHIYUKI , BABA MASAHIRO , KOTO SATORU , YAMAUCHI EIJI
IPC分类号： A47L9/04
摘要： PROBLEM TO BE SOLVED: To improve a dust raking-up function by respectively providing a sucking space part provided with a suction port at a bottom surface, communicated with a communicated pipe and incorporating a rotary blade and introducing external air from a ventilator provided through the front surface of a suction appliance main body. SOLUTION: The sucking appliance main body 1 is moved along a floor surface 16 to suck by the vacuum cleaner main body. Surrounding air is sucked with dust on the floor surface 16 from the sucking port 9 thereby. At the same time, ventilated air stream (a) is sucked also from first ventilator 12 to introduce to the direction of a suction passage. The rotary blade 13 is rotated to generate a rotary descending stream (b). This stream (b) collides with the stream (a) to prevent the stream (a) from raising to press to the floor surface 16 to collide. Then, dust on the surface 16 is raked up to effectively collect dust.

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