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11. 发明专利

JPH0885679A BOBBIN AND SPIRAL SPRING COVER OF CORD WINDER 失效
公开(公告)号：JPH0885679A
公开(公告)日：1996-04-02
申请号：JP22342194
申请日：1994-09-19
申请人： MITSUBISHI ELECTRIC HOME APPL , MITSUBISHI ELECTRIC CORP
发明人： CHICHII KAZUO , HASU KOJI , ISHII SHIRO , KAMIOKA TAKANOBU , IIZUKA MASAYOSHI , BABA MASAHIRO , FUJII SUSUMU
IPC分类号： A47L9/26 , B65H75/48
摘要： PURPOSE: To correspond to a plural number of kinds of cords and spiral springs by dividing a drum part into two and respectively forming a plural number of irregular parts irregular in the axial direction on each of divided surfaces and making it free to connect them to each other in a plural number of combination patterns of the irregular parts. CONSTITUTION: At the time of using a cord small in winding capacity a left frame part 1a and a right frame part 1b are connected to each other by a screw 22 in a state of respectively fitting a protruded part 23a in a recessed part 21b and a protruded part 21a in a recessed part 23b. At the time of using a cord large in the winding capacity, the protruded part 21a and the protruded part 23a are made in contact with each other to connect them. Consequently, a drum part of a bobbin 1 is lengthened by height of the protruded part 21a (protruded part 23a) in the axial direction. Accordingly, two kinds of long drum bobbins can be provided by one kind of the bobbin 1 by changing combination of a connection part of the right frame part 1a and the left frame part 1b. Additionally, a spiral spring storage part 10 is integrally formed on a spiral spring cover 5.

12. 发明专利

JPH05317208A VACUUM CLEANER 失效
公开(公告)号：JPH05317208A
公开(公告)日：1993-12-03
申请号：JP13112392
申请日：1992-05-22
申请人： MITSUBISHI ELECTRIC HOME APPL , MITSUBISHI ELECTRIC CORP
发明人： BABA MASAHIRO
IPC分类号： A47L9/00
摘要： PURPOSE:To constitute the vacuum cleaner so that an operating sound can be controlled by a simple structure by providing a filter and a quiet sound exhaust hole, and providing a quiet sound exhaust part installed in an exhaust port side of the cleaner main body so as to be freely attachable and detachable. CONSTITUTION:The vacuum cleaner is provided with L-shaped fitting parts 20a, 20b in the upper part of a rear wall 16 of a cleaner main body 1, and on the other hand, provided with a box-like quiet sound exhaust part 21 which has an opening part 22 and is provided with detaining parts 23a, 23b fitted to each fitting part 20a, 20b in the upper and the lower parts of this opening part 22. This still sound exhaust part 21 has, in addition, plural still sound exhaust holes 25 on the wall surface 24 opposed to the opening part 22, and also, is provided with an exhaust filter 26 in the inside of the wall surface 24. In such a state, when quiet is required at night, etc., the still sound exhaust part 21 is installed in the cleaner main body 1, exhaust of a motor-driven air blower 8 is allowed to pass through an exhaust filter 18 and exhausted the still sound exhaust part 21 from an exhaust port 17, and also, allowed to pass through a second exhaust filter 26 and exhausted to the outside from the still sound exhaust hole 25, by which an operating sound is attenuated.

13. 发明专利

JPH0542085A ELECTRIC CLEANER 失效
公开(公告)号：JPH0542085A
公开(公告)日：1993-02-23
申请号：JP20292291
申请日：1991-08-13
申请人： MITSUBISHI ELECTRIC HOME APPL , MITSUBISHI ELECTRIC CORP
发明人： CHICHII KAZUO , BABA MASAHIRO , TAKAHASHI YUTAKA , YAMAGUCHI TAKEHIRO
IPC分类号： A47L9/26
摘要： PURPOSE:To eliminate the ejection of a cord from a housing case to maintain a designing property for giving a good appearance. CONSTITUTION:A recess 4 is provided on the bottom of a housing case 1 incorporating a cord winder to house a cord 7 coming from the housing case 1 and moreover, a band 10 is provided to keep the cord 7 housed in the recess 4. This prevents the cord 7 from dangling idly from the housing case 1 as left unwound on the housing case 1 thereby maintaining a designing property for giving a good appearance.

14. 发明专利

JPH04197222A VACUUM CLEANER 失效
公开(公告)号：JPH04197222A
公开(公告)日：1992-07-16
申请号：JP32844490
申请日：1990-11-28
申请人： KOOSHIN KK , MITSUBISHI ELECTRIC CORP , MITSUBISHI ELECTRIC HOME APPL
发明人： IYODA SUSUMU , BABA MASAHIRO , IMAI TOMOHISA , TAKAI HIROSHI , YAMAGUCHI TAKEHIRO
IPC分类号： A47L9/00
摘要： PURPOSE:To make the vibration absorbed, and also, to eliminate such trouble as deformation of a wheel, etc., caused by a load of the cleaner main body by providing a space part between a wheel frame body and an outer wheel part of a running wheel, and providing a communicating hole for allowing the space part and the open air to communicate. CONSTITUTION:In a running wheel 5, an outer wheel part 11 formed by a soft material is installed in the outside peripheral part of a wheel frame body 10 through a space part 13, and a communicating hole 14 for allowing the space part 13 and the open air to communicate is provided. In the inside peripheral part of the outer wheel part 11, a projecting part 12 is provided, mechanical strength of the outer wheel part 11 is increased, and an excessive deformation caused by a load, etc., of the cleaner main body of the outer wheel part 11 is prevented. A joining part of the wheel frame body 10 and the outer wheel part 11 is stuck closely. Also, one piece or plural pieces of communicating holes 14 are provided, so that air in the space part 13 can go in and out to and from the open air through the communicating holes concerned 14. The space part 13 has a large cushion effect, vibration of the wheel frame body 10 is absorbed by the space part 13, and it is not transferred to the floor surface.

15. 发明专利

JPH04109922A VACUUM CLEANER 失效
公开(公告)号：JPH04109922A
公开(公告)日：1992-04-10
申请号：JP22667090
申请日：1990-08-30
申请人： MITSUBISHI ELECTRIC HOME APPL , MITSUBISHI ELECTRIC CORP
发明人： CHICHII KAZUO , TAKAHASHI YUTAKA , BABA MASAHIRO , IMAI TOMOHISA , YAMAGUCHI TAKEHIRO
IPC分类号： A47L9/00
摘要： PURPOSE:To obtain a vacuum cleaner which can solve a trouble due to contacting between the end portions of both covers without any increase in the distance between the end portions of both covers by providing two upper covers, one of which has a shaft hole of a rotary shaft extended in the horizontal direction to be an elongated hole, and providing a taper portion on the end portion of the upper cover. CONSTITUTION:A rotary shaft 12 of a rear upper cover 11 is supported by an elongated hole 20 bored in a supporting portion 21, and a taper portion 22 is installed on the rear end portion 11b of the rear upper cover 11. Just before a front upper cover 10 is to be closed to the stopped rear upper cover 11, the force in the direction of an arrow 18 is applied to the rear upper cover 11 so that the rear upper cover 11 is moved to the right in the drawing. Accordingly, the contacting between the front upper cover 10 and the rear upper cover 11 is canceled to avoid a trouble such as a breakage of the upper cover or the like. When the rear upper cover 11 is just to be closed after it is moved to the right in the drawing, the taper portion 22 of the rear upper cover is brought into contact with the rear edge portion 14a of an attachment storing portion, so that when the rear upper cover 11 is pressed from above, the taper portion 22 is moved to the front of the cleaner main body along the rear edge portion 14a to force the rear upper cover 11 to return to the forward for the movement to the rear of the cleaner main body.

16. 发明专利

JPH04109921A VACUUM CLEANER 失效
公开(公告)号：JPH04109921A
公开(公告)日：1992-04-10
申请号：JP22666990
申请日：1990-08-30
申请人： MITSUBISHI ELECTRIC HOME APPL , MITSUBISHI ELECTRIC CORP
发明人： BABA MASAHIRO , TAKAHASHI YUTAKA , CHICHII KAZUO , IMAI TOMOHISA , TAKAI HIROSHI
IPC分类号： A47L9/00
摘要： PURPOSE:To improve a radiating effect of a heat radiating plate and to reduce noise by passing some or the whole of air discharged from a blower in the periphery of a heat radiating plate, and providing an air duct for forcing air to pass the bottom of a cleaner main body. CONSTITUTION:An opening portion 20 is formed in the periphery of a heat radiating plate 9, a bottom air duct 22 is formed in the lower portion of a cleaner in such a manner as to be connected to a rear air duct 21 provided on the rear of the cleaner, and the air duct 22 is connected to an exhaust port 23 provided on the front side of the cleaner. Thus, the air discharged from a blower 5 passes the periphery of the heat radiating plate 9, and then reaches the exhaust port 23 through the rear air duct 21 and the bottom air duct 22 of the cleaner to be diffused in the air. Accordingly, the air passes the periphery of the heat radiating plate 9 and the heat radiating plate 9 is cooled by the air, so that a radiating effect is increased so as to reduce the area and the thickness. The air discharged from the blower 5 in the cleaner main body passes through such a long air duct while it passes the periphery of the heat radiating plate 9 and is diffused in the air from the exhaust port 23 through the rear air duct 21 and the bottom air duct 22 of the cleaner, so that the noise propagated by the air is absorbed in the air duct in the meantime.

17. 发明专利

JPH04108419A VACUUM CLEANER 失效
公开(公告)号：JPH04108419A
公开(公告)日：1992-04-09
申请号：JP22666790
申请日：1990-08-30
申请人： MITSUBISHI ELECTRIC HOME APPL , MITSUBISHI ELECTRIC CORP
发明人： BABA MASAHIRO , TAKAHASHI YUTAKA , CHICHII KAZUO , IMAI TOMOHISA
IPC分类号： A47L9/00 , A47L9/10
摘要： PURPOSE:To raise the filtration efficiency of a paper filter pack and to improve its cleaning efficiency by constituting the part for abutting on the paper filter pack on the floor of a dust collecting chamber, of a material provided with gas permeability and sound absorptivity. CONSTITUTION:In the part for abutting on a paper filter pack 4 of a floor of a dust collecting chamber 3, a material 20 provided with gas permeability and sound absorptivity is placed. That is, a part of the floor 3a of the dust collecting chamber 3 is lowered to the lower part, the material 20 provided with gas permeability and sound absorptivity is placed in this part, and the paper filter pack 4 is allowed to abut on this material 20. As a result, the part for abutting on the material 20 of the paper filter pack 4 comes to recover gas permeability, a filtration area of the paper filter pack 4 increases, comparing with a conventional device, the filtration efficiency of the paper filter pack 4 increases, and the cleaning efficiency of the cleaner is improved.

18. 发明专利

JPH03207324A VACUUM CLEANER 失效
公开(公告)号：JPH03207324A
公开(公告)日：1991-09-10
申请号：JP128890
申请日：1990-01-08
申请人： MITSUBISHI ELECTRIC HOME APPL , MITSUBISHI ELECTRIC CORP
发明人： KASAI SHINGO , BABA MASAHIRO
IPC分类号： A47L9/00 , A47L9/14
摘要： PURPOSE:To enable the harmful microbes of ticks or the like in dust, to be killed certainly and statically by setting a heat generating body to be in touch with the dust in a dust collect-chamber. CONSTITUTION:In the internal section of a cylindrical shell body 15a set in a paper bag 4 in a dust collecting chamber 3 on the peripheral end lower-surface side of a suction port 5, a heat generating body 15 is firmly fitted, and a dust collecting hose 6 is inserted into the body 15 and is guided. Then, normal use is performed, and in the paper bag 4, dust is arrested, and a motor fan 2 is turned OFF and cleaning is completed and after that, heat is generated in an electric heater 13, and the outer periphery of the paper bag 4 is heated, and harmful microbes in the dust attached in the internal section of the paper bag 4 by air pressure are killed. After that, when the paper bag 4 is almost filled up with, then by generating the heat in the heat generating body 15, the dust near the suction port 5 is also heated, and the harmful microbes in the dust are killed in all. As a result, the harmful microbes of ticks or the like in the dust can be killed certainly and statically.

19. 发明专利

JPH0252618A GAP NOZZLE WITH BRUSH FOR VACUUM CLEANER 失效
公开(公告)号：JPH0252618A
公开(公告)日：1990-02-22
申请号：JP20193988
申请日：1988-08-15
申请人： MITSUBISHI ELECTRIC CORP , MITSUBISHI ELECTRIC HOME APPL
发明人： TAKAHASHI YUTAKA , BABA MASAHIRO , HASU KOJI
IPC分类号： A47L9/02
摘要： PURPOSE:To prevent the wear of the head of a bristle at the time of housing, and simultaneously, to improve a suction efficiency by changing the length of the bristle of the brush of a gap nozzle having a brush in a fitting position. CONSTITUTION:For example, a space S, at which a tip 11a of a bristle 11 of the upper short arm part of a brush 3 does not abut on a main body 1 at the time of housing the nozzle, is provided at 0mm or above. The lengths of bristles 10 of the other three arms are made longer than the bristle 11 by L. For the L, 5mm or above is ordinarily preferable.

20. 发明专利

JP2000157464A HOSE FOR VACUUM CLEANER 失效
公开(公告)号：JP2000157464A
公开(公告)日：2000-06-13
申请号：JP33742498
申请日：1998-11-27
申请人： MITSUBISHI ELECTRIC CORP , MITSUBISHI ELECTRIC HOME APPL , KOWA CO , UC SANGYO KK
发明人： GOTO KANJI , MARUYAMA TOSHIYUKI , IMAI TOMOHISA , BABA MASAHIRO , KUWABARA TATSUYA , NAGAYOSHI SEIJI
IPC分类号： A47L9/24
摘要： PROBLEM TO BE SOLVED: To provide a hose for a vacuum cleaner with fine flexibility and tensile-resistant force and which is made of a soft synthetic resin that has no possibility to generate delamination in a tube wall even if the hose is bent. SOLUTION: A hollow spiral projecting strip 2 in which a metallic line for conducting 3 is installed at the outer peripheral face of an inner layer pipe 1 made of a soft synthetic resin is fixed unitedly and an outer layer pipe 6 which is made of a soft synthetic resin is fixed at the whole face of the periphery of the inner layer pipe 1 including the hollow spiral projecting stripe 2. Then, plural number of first reinforcing wires 4 which imparts tensile-resistant force so as to be paralleled with longitudinal direction to the hose are provided at the outer peripheral face of the inner layer pipe 1 and the first reinforcing wires 4 are pressed to the inner layer pipe 1 by second reinforcing wires 5 which are fixed by being spirally wound around the middle of the peripheral face between the hollow spiral projection stripe part 2, 2.

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