CN1208013C - 牙刷 - Google Patents

牙刷 Download PDF

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Publication number
CN1208013C
CN1208013C CN99803736.2A CN99803736A CN1208013C CN 1208013 C CN1208013 C CN 1208013C CN 99803736 A CN99803736 A CN 99803736A CN 1208013 C CN1208013 C CN 1208013C
Authority
CN
China
Prior art keywords
toothbrush
brush holder
rear end
flexible member
main body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN99803736.2A
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English (en)
Other versions
CN1292659A (zh
Inventor
唐娜·比尔斯
马克斯·约施莫托
杰弗里·艾伦·萨拉扎
威廉·A·布勒达尔
托马斯·克莱戈·马斯特曼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gillette Canada Inc
Original Assignee
Gillette Canada Inc
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Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=21888292&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CN1208013(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Gillette Canada Inc filed Critical Gillette Canada Inc
Publication of CN1292659A publication Critical patent/CN1292659A/zh
Application granted granted Critical
Publication of CN1208013C publication Critical patent/CN1208013C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A46BRUSHWARE
    • A46BBRUSHES
    • A46B5/00Brush bodies; Handles integral with brushware
    • A46B5/02Brush bodies; Handles integral with brushware specially shaped for holding by the hand
    • A46B5/026Grips or handles having a nonslip section
    • AHUMAN NECESSITIES
    • A46BRUSHWARE
    • A46BBRUSHES
    • A46B5/00Brush bodies; Handles integral with brushware
    • A46B5/02Brush bodies; Handles integral with brushware specially shaped for holding by the hand

Landscapes

  • Brushes (AREA)

Abstract

一种牙刷(10)包括一固定在挠性延伸部分(15)上的刷柄部分(12),该挠性延伸部分(15)可以让使用者握紧,从而当使用者给牙刷(10)的刷头施加力时挠性后端与使用者手掌根部接触进而弯曲。在牙刷(10)的刷柄(12)上还设有涂有橡胶的嵌入物(16,18)用来给使用者的手指和手掌提供改善的握紧面。所述的牙刷还包括一个第一弹性元件和一个第二弹性元件,所述的第一弹性元件安装在刷柄上,所述的第一弹性元件的锥形的后端不支承地延伸超过所述的刷柄的后端,和所述的第二弹性元件的位置为使用时由使用者的大拇指和中指夹紧的位置。

Description

牙刷
技术领域
本发明涉及牙刷,具体地,涉及具有人和工程设计的刷柄的牙刷。
背景技术
在该技术领域中,人们一直不断努力设计出更有效、更易使用或更舒适的牙刷。专利No.4,672,706就是一个例子,它公开了一种具有矩形截面且能绕其纵轴扭曲以适合人手掌的刷柄。但是,该刷柄基本上是直的,由硬质材料制成。
在1995年1月10日公布的PCT申请WO 96/21400中公开了一种具有一弯曲端部的牙刷,该弯曲端部相对于适应于牙刷的刷柄部分能单独转动。但是刷柄需要进一步改进。
发明内容
本发明的目的提供了一种改进的牙刷,该牙刷具有这样一个刷柄,在牙刷的端部施力时该刷柄有利于给手掌提供良好的舒适感。
为实现本发明的上述目的,本发明提供了一种牙刷,包括一个主体和从主体延伸出的刷头,其中所述的主体包括一个刷柄,所述的刷柄具有一个后端,其特征在于所述的牙刷还包括一个第一弹性元件和一个第二弹性元件,所述的第一弹性元件安装在刷柄上,所述的第一弹性元件的锥形的后端不支承地延伸超过所述的刷柄的后端,和所述的第二弹性元件的位置为使用时由使用者的大拇指和中指夹紧的位置。
附图说明
参照附图从最佳实施例的描述中会明显地看到本发明的其他特点和优点,附图中:
图1是本发明的牙刷的一个实施例的透视图。
图2是显示在轮廓线表示的使用者手里的本发明牙刷的一实施例的局部剖视图。
具体实施方式
参照图1,牙刷10包括一个具有刷柄12和连着刷毛部分14的刷头13的塑料刷体。
牙刷的刷体是由该技术领域中公知的一般方法制成。将刷柄的形状制成可以用手握住。刷头13的形状可以变化,可以是矩形,椭圆形,菱形或任何适合的形状,刷头带着的刷毛可以是本领域中公知的修齐的扁平形,锯齿形,V形,或任何适合牙齿的形状。邻近刷头13的刷柄部分12形成一颈部,该颈部的周边尺寸比刷柄的其余部分的周边尺寸略小。刷柄12和刷头13的形状和尺寸都可以变化,而且刷柄和刷头的轴可以是在相同的平面或是在不同的平面中。刷柄的后端固定在一挠性部分15上,该挠性部分延伸到后端之外,由涂橡胶的材料制成以助于握紧牙刷。为增加握住时的舒适感和牢固性,挠性部分的横截面为椭圆形。在刷柄的大致中部位置也有一涂有橡胶的嵌入物16,该嵌入物也由一种涂有橡胶的材料制成,用以适合握住的食指。在刷柄上嵌入物16的相反侧有一涂有橡胶的部分17,该部分17是涂有橡胶的后端15的延伸物。在握住牙刷时该部分17用来与使用者的拇指配合。
参照图2,图中示出握在以轮廓线表示的使用者手里的牙刷10的局部剖视图。所示的刷柄12的前端容放刷毛部分14。在其后端,刷柄形成一个由挠性部分15包围着的芯子。然而,刷柄12既不会作为一个芯子一直延伸到挠性部分15的后端,也不具有一个薄得足以在一个或多个方向可以弯曲的芯子。后端15的涂有橡胶的表面向刷柄的中部延伸形成与刷柄12的表面相齐平的嵌入物17和18。这构成了在手掌之内的接触面可更牢固地握住。所示的嵌入物16放置在刷柄12上大约中部的位置,而且处在根据刷毛14所指向的方位可以适合于手的拇指或食指的位置。涂有橡胶的挠性部分15,16,17和18最好是热塑性弹性体(TPE)。典型实用的弹性体是kraton橡胶(一种肖氏硬度在大约5和95之间的加氢或未加氢的苯乙烯和丁二烯或异戊二烯的充油嵌段共聚物)。其它合适的材料包括注射成型成反应注射成型泡沫塑料,硬质橡胶和硬质硅橡胶。
本发明的优点是当握住刷柄12和/或顶着口腔内部在刷头13施加力时,会有一反作用力顶着使用者的手根部施加在牙刷的后端15。挠性后端不仅可以缓解其他硬表面不能做到的顶着手的压力,而且可以弯曲以适合手根部的曲度。因此,该牙刷在人机工程学上是适合于使用者的。

Claims (8)

1.一种牙刷,包括一个主体和从主体延伸出的刷头,其中所述的主体包括一个刷柄,所述的刷柄具有一个后端,其特征在于所述的牙刷还包括一个第一弹性元件和一个第二弹性元件,所述的第一弹性元件安装在刷柄上,所述的第一弹性元件的锥形的后端不支承地延伸超过所述的刷柄的后端,和所述的第二弹性元件的位置为使用时由使用者的大拇指和中指夹紧的位置。
2.按照权利要求1的牙刷,其特征在于所述的主体包括一个手指握紧区及一个手掌握紧区,所述的手掌握紧区比所述的手指握紧区的直径大。
3.按照权利要求2的牙刷,其特征在于所述的主体的轮廓厚度在所述手指握紧区和所述的刷柄的后端之间约中点处最大。
4.按照权利要求1的牙刷,其特征在于所述的弹性元件由热塑性弹性体制成。
5.按照权利要求4的牙刷,其特征在于所述的热塑性弹性体的肖氏硬度为5到95。
6.按照权利要求1的牙刷,其特征在于所述的第一弹性元件的后端的横截面形状为椭圆形。
7.按照权利要求1的牙刷,其特征在于所述的第一弹性元件提供使用时使用者的手掌的握紧区。
8.按照权利要求1的牙刷,其特征在于一个颈部设在所述的刷头和所述的刷柄之间,所述的主体在颈部和所述的后端中部的位置有最大的圆周,和朝着颈部和所述的后端的比较小的圆周渐缩。
CN99803736.2A 1998-03-06 1999-03-03 牙刷 Expired - Fee Related CN1208013C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US3637998A 1998-03-06 1998-03-06
US09/036,379 1998-03-06

Publications (2)

Publication Number Publication Date
CN1292659A CN1292659A (zh) 2001-04-25
CN1208013C true CN1208013C (zh) 2005-06-29

Family

ID=21888292

Family Applications (1)

Application Number Title Priority Date Filing Date
CN99803736.2A Expired - Fee Related CN1208013C (zh) 1998-03-06 1999-03-03 牙刷

Country Status (9)

Country Link
US (1) US6234798B1 (zh)
EP (1) EP1063907B1 (zh)
CN (1) CN1208013C (zh)
AT (1) ATE429160T1 (zh)
AU (1) AU2888799A (zh)
BR (1) BR9908513A (zh)
DE (1) DE69940771D1 (zh)
ES (1) ES2324929T3 (zh)
WO (1) WO1999044465A1 (zh)

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Also Published As

Publication number Publication date
AU2888799A (en) 1999-09-20
DE69940771D1 (de) 2009-06-04
EP1063907B1 (en) 2009-04-22
ES2324929T3 (es) 2009-08-19
US6234798B1 (en) 2001-05-22
ATE429160T1 (de) 2009-05-15
EP1063907A1 (en) 2001-01-03
WO1999044465A1 (en) 1999-09-10
CN1292659A (zh) 2001-04-25
BR9908513A (pt) 2000-11-21
EP1063907A4 (en) 2004-12-29

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Granted publication date: 20050629

Termination date: 20180303