CN104284757B - 具有可旋转部分的剃刀柄部 - Google Patents

具有可旋转部分的剃刀柄部 Download PDF

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CN104284757B
CN104284757B CN201380022873.6A CN201380022873A CN104284757B CN 104284757 B CN104284757 B CN 104284757B CN 201380022873 A CN201380022873 A CN 201380022873A CN 104284757 B CN104284757 B CN 104284757B
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CN104284757A (zh
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C·J·史蒂文斯
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Gillette Co LLC
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26BHAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B21/00Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
    • B26B21/40Details or accessories
    • B26B21/52Handles, e.g. tiltable, flexible
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26BHAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B21/00Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
    • B26B21/08Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor involving changeable blades
    • B26B21/14Safety razors with one or more blades arranged transversely to the handle
    • B26B21/22Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously
    • B26B21/222Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously with the blades moulded into, or attached to, a changeable unit
    • B26B21/225Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously with the blades moulded into, or attached to, a changeable unit the changeable unit being resiliently mounted on the handle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26BHAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B21/00Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
    • B26B21/40Details or accessories
    • B26B21/52Handles, e.g. tiltable, flexible
    • B26B21/521Connection details, e.g. connection to razor heads

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dry Shavers And Clippers (AREA)
  • Knives (AREA)

Abstract

本发明描述了一种用于剃刀的柄部,其中所述柄部包括抓持部分和联接到抓持部分的端部的颈部部分。所述颈部部分包括联接到抓持部分的端部的框架,所述框架包括销轴;可旋转地联接到框架的舱盒,所述舱盒限定孔以接收框架的销轴,其中所述舱盒被构造成围绕基本上垂直于抓持部分的长度的轴线旋转;以及联接到舱盒的弹簧,其中所述弹簧在舱盒旋转时产生复位扭矩。

Description

具有可旋转部分的剃刀柄部
技术领域
本发明一般涉及用于剃刀的柄部,更具体地涉及具有可旋转部分的柄部,使得包括具有锋利切刃的至少一个刀片的安全剃刀刀片单元被安装在该柄部上以在剃刮过程中在施加在刀片单元上的力的作用下相对于该柄部可枢转地移动。这样一种安全剃刀的刀片单元可围绕一个以上的旋转轴线枢转。刀片单元可具有多个刀片,例如两个、三个、四个或更多个刀片,其中设置用于与防护件和顶盖表面之间的皮肤接触的笔直的平行切刃也设置在刀片单元上。防护件可包括具有表面构造例如诸如呈翅片形状的直立突出部的弹性体材料条以在执行剃刮行程的过程中在皮肤上移动刀片单元时与皮肤产生期望的相互作用。顶盖表面可包括包含剃刮增强产品诸如润滑剂的材料条,在剃刮期间润滑剂可逐渐地滤出条材料以便施用到皮肤。安全剃刀刀片单元可被可拆卸地安装在剃刀柄部上以在刀片锋利度已经减弱到令人不满意的水平时允许刀片单元用新的刀片单元来置换。作为另外一种选择,刀片单元可被永久地连接到柄部,意在刀片已经变钝时,整个剃刀被丢弃。可拆卸的和可置换的刀片单元通常被称作剃刮刀片架。
背景技术
剃刀方面的研究进展,诸如用于湿剃的5刀片或6刀片剃刀,可提供更贴面、更精细和更舒适的剃刮。可影响剃刮贴面性的一种因素是刀片在剃刮表面上的接触量。刀片接触的表面积越大,则剃刮越贴面。当前的剃刮方法主要包括仅具有单个例如围绕基本上平行于刀片且基本上垂直于柄部的轴线旋转(即,前后枢转运动)的轴线的剃刀。然而,各种剃刮区域的曲率不仅适形于单个旋转轴线,并且因此刀片的一部分在剃刮期间经常与皮肤脱离,因为它们围绕所述单个轴线枢转的能力有限。因此,此类剃刀上的刀片可仅具有与某些剃刮区域例如颌下、颚线周围、嘴周围等的有限表面接触。
具有多个旋转轴线的剃刀可帮助解决剃刮的贴面性问题,并且有助于更贴近地遵循使用者的皮肤轮廓。例如,剃刀的第二旋转轴线可为基本上垂直于刀片并且基本上垂直于柄部的轴线,诸如左右摇摆枢转运动。具有多个旋转轴线的剃刀的各种方法的例子描述于美国专利公开号5,029,391;5,093,991;5,526,568;5,560,106;5,787,593;5,953,824;6,115,924;6,381,857;6,615,498;6,880,253;和7,913,393;美国专利申请公布号2009/066218;2009/0313837;和2010/0043242;以及日本未审查专利公开号H2-34193;H2-52694;和H4-22388中。然而,要提供另一个旋转轴线,诸如基本上垂直于刀片并且基本上垂直于柄部的轴线,通常,应用了附加部件,这增加了复杂性和运动,但耐久性、性能和效率可能会随时间的推移而受到损害。因此,当前的方法对于具有多个旋转轴线的剃刀的制造、组装和使用带来复杂性和耐久性问题。
因此,需要一种适于湿剃或干剃的剃刀,其具有多个旋转轴线,例如基本上垂直于刀片和基本上垂直于柄部的轴线、以及基本上平行于刀片和基本上垂直于柄部的轴线。剃刀,包括电动剃刀和手动剃刀在内,优选地应更简单、性价比高、可靠和耐用。
发明内容
在一个方面,本发明涉及一种用于剃刀的柄部。柄部包括抓持部分和联接到抓持部分一端的颈部部分。颈部部分包括联接到抓持部分的一端的框架,该框架包括销轴;可旋转地联接到框架的舱盒,该舱盒限定一个孔以接收框架的销轴,其中该舱盒被构造成围绕基本上垂直于抓持部分的长度的轴线旋转;和联接到舱盒的弹簧,其中当舱盒旋转时,弹簧产生复位扭矩。
这个方面可包括下列特征中的任何一个或多个。颈部部分还可包括联接到抓持部分的末端并联接到弹簧的锚定件。锚定件可由金属任选地黄铜制成。弹簧可为拉伸弹簧。销轴可由金属任选地如不锈钢制成。弹簧能够调节以改变弹簧力和复位扭矩。颈部部分可被构造成可释放地接合剃刀刀片架。颈部部分还可包括剃刀刀片架释放组件。舱盒可限定凹口以接收剃刀刀片架释放组件。框架的销轴可沿着轴线下降。舱盒可为一体的并由模制塑料形成。舱盒可从静止位置旋转约10°至约20°,优选地从静止位置旋转约15°。
附图说明
当结合附图研读时,根据下列各种实施例的描述可更加全面地理解本发明的其它特征和优点以及本发明自身,附图中:
图1是根据本发明的一个实施例的剃刀的示意透视图;
图2是根据本发明的一个实施例的剃刀柄部的局部横截面的示意透视图;
图3是图2的柄部的局部横截面的局部示意性侧视图;并且
图4是图3的柄部的示意性分解透视图。
具体实施方式
除非另外指明,冠词“一个”和“所述”是指“一个或多个”。
参见图1,本发明的剃刀10包括柄部20和刀片架单元30,该刀片架单元可释放地附接或永久地附接到柄部20并且包含一个或多个刀片。柄部20包括颈部部分21和抓持部分23。抓持部分23包括框架22、舱盒24和剃刀刀片架释放组件26。舱盒24可操作地联接到框架22,使得舱盒24被构造成围绕基本上垂直于刀片并且基本上垂直于柄部20的长度的旋转轴线28旋转。刀片架单元30被构造成围绕基本上平行于刀片并且基本上垂直于所述一定长度的柄部20的旋转轴线32旋转。合适的刀片架单元的非限制性例子描述于美国专利公开号7,168,173中。当刀片架单元30被附接到柄部20时,刀片架单元30被构造成围绕多个旋转轴线例如第一旋转轴线28和第二旋转轴线32旋转。
图2-4示出了本发明的柄部40的一个实施例。柄部40包括抓持部分42和颈部部分44。颈部部分44包括框架46和可操作地联接到其上的舱盒48,使得所述舱盒48被构造成围绕基本上垂直于柄部40的长度的旋转轴线50旋转。联接到舱盒48和框架46的部件包括可与刀片架单元(未示出)接合的对接底座52和用于从柄部40释放刀片架单元的顶出按钮组件54。合适的对接底座和顶出按钮组合件的非限制性例子描述于美国专利公开号7,168,173和7,690,122以及美国专利申请公布号2005/0198839、2006/0162167和2007/0193042中。在一个实施例中,对接底座52和顶出按钮组件54在舱盒48的空腔内部彼此联接。
框架46被联接到柄部40的抓持部分42以便给舱盒48提供固定基准。框架46可通过按扣配合、过盈配合、螺纹连接等被接收在抓持部分42内。框架46的销轴56将舱盒48联接到框架46。在一个实施例中,销轴56是例如通过按扣配合、过盈配合、螺纹连接等可释放地附接到框架46的部件。作为另外一种选择,销轴56与框架46一体形成,使得舱盒48可限定用来通过按扣配合或过盈配合接收销轴56的孔。舱盒48的孔在形状上与销轴56的各部分相对应并且被构造成与其配合。在一个实施例中,销轴56不具有一致的形状。以举例的方式,销轴56可为大致圆柱形的,其中一个部分为比另一较小圆柱形部分大的圆柱形部分。在这样一个例子中,舱盒48的孔成类似比例,其中一个孔的尺寸比另一个孔的尺寸大以接收销轴56。舱盒44可任选地包括从其伸出的尾部部分58。尾部58可被联接到弹簧60,其中弹簧60被联接到锚定件62。锚定件62可被接收在抓持部分42内以将舱盒48的尾部部分58固定在抓持部分42的腔体内。
在一个实施例中,框架46的销轴56沿着舱盒48围绕其旋转的旋转轴线50定位。弹簧60被附接到舱盒48的尾部部分58,其中舱盒48从静止部分的旋转推动弹簧60进入拉伸状态,例如进入进一步拉伸状态,因为当静止时弹簧60可任选地处于拉伸状态,使得弹簧60提供扭矩将舱盒48复位到静止位置。除此之外或作为另外一种选择,弹簧60可以调节以改变弹簧力和复位扭矩。在一个实施例中,弹簧60是拉伸弹簧或螺旋弹簧。用于调节弹簧60的一个实施例是通过延深弹簧60被附接到抓持位置42内的锚定件62拉长联接到尾部58时处于静止位置例如中性位置优选地中性预加载位置的弹簧60。舱盒48被构造成从静止位置旋转约10°至约20°,优选约15°。在一个实施例中,舱盒48是一体的,使得尾部部分58与舱盒48的其余部分一体形成。
在一个实施例中,框架46、舱盒48和锚定件62的至少一部分由硬塑料诸如制成。除此之外或作为另外一种选择,框架46、舱盒48和锚定件62中的一个或多个由相同材料制成。在一个实施例中,框架46的销轴56由硬塑料或金属(例如不锈钢)制成。在一个实施例中,弹簧60也由塑料诸如硬塑料制成。作为另外一种选择,弹簧60由金属制成。
本发明的另外优点是,复位力的力量可容易地通过利用各种弹簧元件进行更改,其中弹簧元件任选地是可调节的。
对于体现本发明的剃刀而言,复位力特性平滑地增加到最大,其中复位力特性的有效弹簧率随着枢转角度从相应的静止位置增加而逐渐增大。此外,在复位枢转运动期间,复位力特性曲线紧密地遵从与相反方向上枢转运动有关的特性曲线,使得对于给定的枢转位移,复位力一直保持一致并且获得了平滑的枢转运动,诸如如果刀片单元在执行剃刮行程过程中经历枢转方向的逆转。
应当理解,在整个说明书中给出的每一最大数值限度包括每一更低数值限度,如同此类更低数值限度在本文中明确地写出一样。在本说明书全文中给出的每一最小数值限度将包括每一更高数值限度,如同此类更高数值限度在本文中明确地写出一样。在本说明书全文中给出的每一数值范围将包括包含于该更宽数值范围内的每一更窄数值范围,如同此类更窄数值范围在本文中被明确地写出一样。
本文所公开的量纲和值不可理解为严格限于所引用的精确值。相反,除非另外指明,每个这样的量纲旨在表示所述的值以及围绕该值功能上等同的范围。例如,所公开的量纲“40mm”旨在表示“约40mm”。
除非明确排除或换句话讲有所限制,本文中引用的每一篇文献,包括任何交叉引用或相关专利或专利申请,均据此全文以引用方式并入本文。对任何文献的引用均不是承认其为本文公开的或受权利要求书保护的任何发明的现有技术、或承认其独立地或以与任何其它一个或多个参考文献的任何组合的方式提出、建议或公开任何此类发明。此外,如果此文献中术语的任何含义或定义与任何以引用方式并入本文的文献中相同术语的任何含义或定义相冲突,将以此文献中赋予那个术语的含义或定义为准。
尽管举例说明和描述了本发明的特定实施例,但对本领域的技术人员来讲显而易见的是,在不背离本发明的实质和范围的情况下可作出许多其它的改变和修改。因此,所附权利要求书旨在涵盖本发明范围内的所有此类改变和修改。

Claims (14)

1.一种用于剃刀的柄部,所述柄部包括:
抓持部分;和
联接到所述抓持部分的端部的颈部部分,所述颈部部分包括:联接到所述抓持部分的端部的框架,所述框架包括销轴;能够旋转地联接到所述框架的舱盒,所述舱盒限定孔以接收所述框架的销轴,其中所述舱盒被构造成围绕基本上垂直于所述抓持部分的长度的轴线旋转并且具有尾部部分;一端联接到所述舱盒的尾部部分的弹簧,其中所述弹簧在所述舱盒旋转时产生复位扭矩;以及联接到所述弹簧的另一端锚定件,所述锚定件被接收在所述抓持部分内以将所述弹簧和所述舱盒的尾部部分锚定在抓持部分的腔体内。
2.根据权利要求1所述的柄部,其中所述锚定件由金属制成。
3.根据权利要求2所述的柄部,其中所述金属是黄铜。
4.根据前述权利要求1-3中任一项所述的柄部,其中所述弹簧是拉伸弹簧。
5.根据前述权利要求1-3中任一项所述的柄部,其中所述销轴由金属制成。
6.根据权利要求5所述的柄部,其中用于所述销轴的金属是不锈钢。
7.根据前述权利要求1-3中任一项所述的柄部,其中所述弹簧是能够调节的以改变弹簧力和所述复位扭矩。
8.根据前述权利要求1-3中任一项所述的柄部,其中所述颈部部分被构造成能够释放地接合剃刀刀片架。
9.根据权利要求8所述的柄部,其中所述颈部部分还包括剃刀刀片架释放组件。
10.根据权利要求9所述的柄部,其中所述舱盒限定凹口以接收所述剃刀刀片架释放组件。
11.根据前述权利要求1-3中任一项所述的柄部,其中所述框架的销轴沿着所述轴线定位。
12.根据前述权利要求1-3中任一项所述的柄部,其中所述舱盒是一体的并且由模制塑料形成。
13.根据前述权利要求1-3中任一项所述的柄部,其中所述舱盒从静止位置旋转10°至20°。
14.根据权利要求13所述的柄部,其中所述舱盒从所述静止位置旋转约15°。
CN201380022873.6A 2012-05-01 2013-04-30 具有可旋转部分的剃刀柄部 Expired - Fee Related CN104284757B (zh)

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US201261640757P 2012-05-01 2012-05-01
US61/640,757 2012-05-01
PCT/US2013/038774 WO2013165954A1 (en) 2012-05-01 2013-04-30 Razor handle with a rotatable portion

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AU2013256515A1 (en) 2014-10-30
SG11201407145PA (en) 2014-11-27
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MX2014012876A (es) 2015-01-19
JP2015515884A (ja) 2015-06-04
WO2013165954A1 (en) 2013-11-07
CA2869928A1 (en) 2013-11-07
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BR112014027205A2 (pt) 2017-06-27
EP2844437A1 (en) 2015-03-11
CN104284757A (zh) 2015-01-14
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