CN1266357A - 尤其用于电动牙刷的刷子 - Google Patents
尤其用于电动牙刷的刷子 Download PDFInfo
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- CN1266357A CN1266357A CN98807999A CN98807999A CN1266357A CN 1266357 A CN1266357 A CN 1266357A CN 98807999 A CN98807999 A CN 98807999A CN 98807999 A CN98807999 A CN 98807999A CN 1266357 A CN1266357 A CN 1266357A
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- brush
- enveloping surface
- bristle
- described brush
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
- A61C17/34—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
- A61C17/3409—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor characterized by the movement of the brush body
- A61C17/3436—Rotation around the axis perpendicular to the plane defined by the bristle holder
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B9/00—Arrangements of the bristles in the brush body
- A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
- A46B9/04—Arranged like in or for toothbrushes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
- A61C17/34—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
- A61C17/3409—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor characterized by the movement of the brush body
- A61C17/3472—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor characterized by the movement of the brush body with combined movements of the brush body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/222—Brush body details, e.g. the shape thereof or connection to handle
Abstract
本发明涉及刷子,尤其用于电动牙刷,它有一个至少沿一个方向驱动的刷头(3)和固定在刷头上的刷毛,其特征在于至少部分刷毛的端部处于条状或斑状包络面(7)中,以及,至少由沿刷头(3)运动方向走在前面的刷毛构成的包络面(7)界边以一个相对于刷头(3)的运动方向不同于90°的角度延伸。
Description
本发明涉及刷子,尤其用于电动牙刷,它有一个沿至少一个方向驱动的刷头和固定在刷头上的刷毛。
本发明一般而言涉及被驱动的刷子,但具体涉及电动牙刷。
对于牙刷在牙齿和齿龈上的清洁和按摩作用而言,基本上有两个因素是决定性的,它们与牙刷是手动或电动的无关。其一是刷毛装料,其二是运动,刷毛装料被操纵在牙齿上和牙龈上运动。手动洁齿时主要是沿齿排作直线运动和垂直于齿排运动(红到白),然而这些运动通常叠加有其他或多或少不规则的运动成分。为了总体上保证全面的清刷效果,刷毛应足够深地侵入牙的间隙内以及齿面的裂隙内。此外还在刷毛装料上采取特殊措施来协助达到上述目的,例如V形安置的刷毛束、非平面的形状、刷面成型等。
对于电动牙刷,使用者通常保持其处于一定的位置并基本上操纵作直线运动,与不规则地手动操纵牙刷相比,通过驱动的方式限制运动成分。在类似于手动牙刷的长形刷头中,已知组合直线(轴向)和回转运动。对于圆形刷头,最好是旋转振动,必要时叠加沿刷毛方向的上和下运动。最后,已知具有驱动装置的刷头,其中少量刷毛束通常成对地旋转振动。运动成分越复杂,驱动装置就越容易出故障。
本发明的目的是,对于刷子尤其用于电动牙刷的刷子,建议,即使在刷头的运动驱动装置简单的情况下也能导致刷毛有多种作用方向。
在一种刷头上固定有刷毛的被驱动的刷头中,为达到此目的采取的措施是,至少部分刷毛的端部处于条状或斑状包络面内;以及至少由沿刷头运动方向走在前面的刷毛构成的包络面界边,以一个相对于刷头的运动方向不同于90°的角度延伸。
通过将刷毛构成的包络面界边相对于刷头运动方向成此角度位置,对于清刷效果而言除了由驱动装置规定的运动成分外,至少产生一个与它们成角度延伸的分量。若界边不是直线而是多次折角或曲拱或存在多个相对于驱动装置的运动方向有不同角度的包络面,则提供许多具有相应的多种清洁和按摩效果的运动方向。
包络面由刷毛构成的走在前面和走在后面的界边可以基本上平行延伸,从而造成条状刷面。这两个界边也可以相对于刷头的运动方向按不同的角度延伸,从而形成斑状刷面,尤其在振动驱动的情况下这种设计特别有效,因为根据驱动装置的运动方向叠加了其他一些沿不同方向的运动成分。
在从属权利要求4至11中说明了一种绕旋转轴线旋转或振动驱动的刷头的优选实施形式的特征。这些实施形式在这里只列举其中两种。在一种按螺线延伸的包络面中,旋转或旋转振动运动叠加半径变化的附加的圆周运动。类似地,这也适用于包络面的S形设计,尤其是在按叶轮的方式设多个S形条状包络面的情况下。
从属权利要求12至14说明了沿纵轴线方向直线驱动的长形刷头实施例的特征,必要时可以再叠加与纵轴线方向垂直的振动的回转运动。在这种情况下尤其是锯齿形或按箭头方式布置的条状包络面已证明是特别有效的。
在按本发明设计的刷头中,全部刷毛装料可仅由按本发明布置的刷毛组成。刷毛装料也可以代之以全面地设置,而只有按本发明布置的刷毛从装料伸出。
下面借助于附图中表示的实施例说明本发明。附图表示:
图1按传统结构形式具有旋转或振动刷头的电动牙刷的刷头处于运行过程中的视图;
图2按本发明的刷头第一种实施形式处于相同的运动过程中与图1类似的视图;
图3至8具有旋转或振动驱动装置的刷头不同实施形式;以及
图9至12按直线驱动和必要时附加振动的刷头不同的透视图和相关的俯视图。
图1和2中表示了牙齿1(在这里是臼齿)和牙龈边2。此外表示了一个圆形刷头3,它装在电动牙刷的驱动装置上。刷头被驱动作旋转或振动运动,必要时还附加沿轴向的振动运动。绕轴线5的运动用双向箭头4表示。
在图1所示的实施例中涉及一种传统的刷头。它配备基本上圆形的刷毛束6。刷毛束6或构成束的刷毛端部处于一个基本上圆形的包络面内。当驱动刷头时,刷毛束描绘出绕旋转轴线的圆周运动。当实施振动式旋转运动时它们在牙齿1表面上的作用面限于短的环段。牙齿相当大的表面遗留下来没有得到处理,或凭经验通过电动牙刷比较费劲的手动操纵运动进行处理。
在图2所示按本发明的实施形式中,刷头3有刷毛装料,它由密植的刷毛束来紧植的单根刷毛构成,它们的端部处于条状包络面7内,在此实施形式中包络面从中心亦即刷头3的旋转轴线5起向外按连续的螺线延伸并在刷头3的外边缘处结束。由此图可以立即看出,在振动运动时沿运动方向在包络面轮廓上走在前面的由刷毛构成的界边8、9相对于运动方向4成不同的角度,因此在牙齿表面产生不同的作用方向。甚至在刷头3工作时处于如图2的模型所示的固定位置时,被刷毛装料掠过的全部表面也都能得到处理。
在按图3的实施例中,刷毛构成多个条状包络面7,它们全部布置在刷头3旋转轴线5的外面。这些包络面沿刷头3外接圆的割线方向延伸。在这里,每个条状包络面7沿刷头3运动方向走在前面的界边8、9相对于运动方向也具有不同的角度。
在按图4至6的实施例中,刷毛装料有一些刷毛它们的端部处于斑状包络面10内。在图4中包络面10设计为同方向的三角形并布置在旋转轴线5之外。在按图5的实施例中,斑状包络面10布置为它们互相面对的边11具有有效的刷毛,而面积12内没有刷毛。在按图6的实施例中仍设三角形包络面,它们彼此背对。在所有的情况下刷毛起决定性作用的作用面均相对于旋转轴线形成一个角度以及存在多个这样的作用面。此外,在按图4和6的实施形式中刷头的自由面还有长度较短的刷毛13或刷毛束。
在按图7和8的实施例中,刷毛端部处于S形的条状包络面7内,其中S曲线的换向点在刷头3的旋转轴线5内。在所表示的实施例中,按叶轮的方式布置了多个这样的S形包络面7。在这里,在包络面7走在前面的界边8、9处同样形成许多作用方向。在图8中全部刷毛装料仅由按本发明布置的刷毛组成,而在图7中这些刷毛布置在全面的刷毛装料13内,它们从刷毛装料13向上伸出。
图9至12表示长形刷头14,如用双向箭头15表示的那样,刷头沿其纵轴线方向直线驱动。此直线运动还可叠加如双向箭头16所示横向于纵轴线方向的振动的回转运动。在刷头14上仍布置有大面积的刷毛装料17,刷毛18或刷毛束组从其中伸出,它们的端部位于条状包络面7内。沿运动方向位于前面的由包络面7的刷毛构成的界边8、9仍相对于运动方向15形成角度,其中前进运动时的角度与后退运动时的角度不同。在按图9和10的实施例中,包络面7布置成箭头状并相对于刷头14纵轴线叉开。
在按图11和12的实施形式中,从全面的刷毛装料17伸出的刷毛端部处于锯齿形条状的包络面7内。
Claims (15)
1.刷子,尤其用于电动牙刷,有一个至少沿一个方向驱动的刷头和固定在刷头上的刷毛,其特征为:至少部分刷毛的端部处于条状或斑状包络面(9、10)中;以及,至少由沿刷头(3、14)运动方向走在前面的刷毛构成的包络面(7、10)界边(8、9),以一个相对于刷头的运动方向不同于90°的角度延伸。
2.按照权利要求1所述的刷子,其特征为:包络面(7、10)由刷毛构成的走在前面的和走在后面的界边(8、9)互相基本上平行延伸。
3.按照权利要求1所述的刷子,其特征为:包络面(7、10)由刷毛构成的走在前面的和走在后面的界边(8、9)相对于刷头(3、14)的运动方向按不同的角度延伸。
4.按照权利要求1至3之一所述的刷子,其特征为:对于绕旋转轴线(5)驱动的圆形刷头(3),包络面(7)走在前面的界边(8、9)处于一条曲线上,曲线的曲率半径与刷头(3)的半径不同。
5.按照权利要求4所述的刷子,其特征为:包络面(7)的界边在一条螺线上。
6.按照权利要求5所述的刷子,其特征为:螺线中点在刷头(3)的旋转轴线(5)内。
7.按照权利要求5所述的刷子,其特征为:螺线有一个相对于刷头(3)的旋转轴线(5)偏心的中点。
8.按照权利要求4所述的刷子,其特征为:走在前面的界边在一条S形曲线上,它的换向点位于刷头(3)的旋转轴线(5)上或附近。
9.按照权利要求8所述的刷子,其特征为:设有多个条状的包络面(7),它们具有S形轮廓形状和在S形曲线换向点内的公共中点。
10.按照权利要求1至3之一所述的刷子,其特征为:对于绕旋转轴线驱动的刷头(3),包络面(7)的面积重心处于刷头(3)旋转轴线(5)之外。
11.按照权利要求10所述的刷子,其特征为:包络面(7)完全处于刷头(3)旋转轴线(5)之外。
12.按照权利要求1至3之一所述的刷子,其特征为:对于有一个至少沿其纵轴线方向作用的直线驱动装置(15)的长形刷头(14),条状的包络面(7)锯齿形或波纹形地沿纵向延伸。
13.按照权利要求1至3之一所述的刷子,其特征为:对于有一个至少沿其纵轴线方向作用的直线驱动装置(15)的长形刷头(14),包络面(7)的面积重心处于纵轴线之外。
14.按照权利要求1至3之一所述的刷子,其特征为:对于有一个沿其纵轴线作用的直线驱动装置(15)的长形刷头(14),条状包络面(7)布置成箭头状并向纵轴线两侧叉开。
15.按照权利要求1至14之一所述的刷子,其特征为:在那些其端部处于条状或斑状包络面(7、10)内的刷毛之间排列有长度较短的刷毛(13、17)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19734287.6 | 1997-08-07 | ||
DE19734287A DE19734287A1 (de) | 1997-08-07 | 1997-08-07 | Bürste, insbesondere für eine Elektrozahnbürste |
Publications (2)
Publication Number | Publication Date |
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CN1266357A true CN1266357A (zh) | 2000-09-13 |
CN1112144C CN1112144C (zh) | 2003-06-25 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN98807999A Expired - Fee Related CN1112144C (zh) | 1997-08-07 | 1998-07-22 | 尤其用于电动牙刷的刷子 |
Country Status (18)
Country | Link |
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US (1) | US6421867B1 (zh) |
EP (1) | EP1001692B1 (zh) |
JP (1) | JP2001513343A (zh) |
KR (1) | KR100483178B1 (zh) |
CN (1) | CN1112144C (zh) |
AR (1) | AR009898A1 (zh) |
AU (1) | AU745675B2 (zh) |
BR (1) | BR9812503A (zh) |
CA (1) | CA2297737A1 (zh) |
DE (2) | DE19734287A1 (zh) |
EG (1) | EG21470A (zh) |
ES (1) | ES2177035T3 (zh) |
NO (1) | NO20000570L (zh) |
PL (1) | PL190001B1 (zh) |
TR (1) | TR200000328T2 (zh) |
TW (1) | TW385697U (zh) |
WO (1) | WO1999007251A1 (zh) |
ZA (1) | ZA986976B (zh) |
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GB108829A (en) | 1917-04-20 | 1917-08-23 | John Hickman | A New or Improved Tooth Brush. |
DE8606012U1 (zh) | 1986-03-05 | 1990-08-09 | Themann, Juergen, Dr.Med.Dent. | |
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DE29516571U1 (de) | 1995-10-20 | 1996-01-11 | Huller Joachim | Borstenausführung und deren Besteckung für Borstenwaren, insbesondere für Besen, Bürsten, Schrubber, Pinsel o.dgl. |
-
1997
- 1997-08-07 DE DE19734287A patent/DE19734287A1/de not_active Withdrawn
-
1998
- 1998-07-22 TR TR2000/00328T patent/TR200000328T2/xx unknown
- 1998-07-22 PL PL98338391A patent/PL190001B1/pl not_active IP Right Cessation
- 1998-07-22 CA CA002297737A patent/CA2297737A1/en not_active Abandoned
- 1998-07-22 DE DE59804337T patent/DE59804337D1/de not_active Expired - Fee Related
- 1998-07-22 EP EP98938700A patent/EP1001692B1/de not_active Expired - Lifetime
- 1998-07-22 KR KR10-2000-7001133A patent/KR100483178B1/ko not_active IP Right Cessation
- 1998-07-22 CN CN98807999A patent/CN1112144C/zh not_active Expired - Fee Related
- 1998-07-22 BR BR9812503-6A patent/BR9812503A/pt not_active Application Discontinuation
- 1998-07-22 ES ES98938700T patent/ES2177035T3/es not_active Expired - Lifetime
- 1998-07-22 WO PCT/EP1998/004602 patent/WO1999007251A1/de active IP Right Grant
- 1998-07-22 AU AU87323/98A patent/AU745675B2/en not_active Ceased
- 1998-07-22 JP JP2000506854A patent/JP2001513343A/ja active Pending
- 1998-07-22 US US09/463,850 patent/US6421867B1/en not_active Expired - Fee Related
- 1998-07-28 TW TW087212207U patent/TW385697U/zh not_active IP Right Cessation
- 1998-08-03 EG EG91098A patent/EG21470A/xx active
- 1998-08-04 ZA ZA986976A patent/ZA986976B/xx unknown
- 1998-08-07 AR ARP980103920A patent/AR009898A1/es active IP Right Grant
-
2000
- 2000-02-04 NO NO20000570A patent/NO20000570L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DE59804337D1 (de) | 2002-07-11 |
AR009898A1 (es) | 2000-05-03 |
PL190001B1 (pl) | 2005-10-31 |
TW385697U (en) | 2000-03-21 |
TR200000328T2 (tr) | 2000-07-21 |
AU8732398A (en) | 1999-03-01 |
BR9812503A (pt) | 2000-07-25 |
KR20010022543A (ko) | 2001-03-15 |
EG21470A (en) | 2001-11-28 |
PL338391A1 (en) | 2000-10-23 |
US6421867B1 (en) | 2002-07-23 |
NO20000570D0 (no) | 2000-02-04 |
NO20000570L (no) | 2000-04-06 |
DE19734287A1 (de) | 1999-02-11 |
WO1999007251A1 (de) | 1999-02-18 |
CN1112144C (zh) | 2003-06-25 |
AU745675B2 (en) | 2002-03-28 |
ZA986976B (en) | 1999-02-08 |
KR100483178B1 (ko) | 2005-04-14 |
EP1001692B1 (de) | 2002-06-05 |
EP1001692A1 (de) | 2000-05-24 |
ES2177035T3 (es) | 2002-12-01 |
CA2297737A1 (en) | 1999-02-18 |
JP2001513343A (ja) | 2001-09-04 |
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