CN101043983A - 剃须刀和刀片架 - Google Patents

剃须刀和刀片架 Download PDF

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CN101043983A
CN101043983A CNA2005800360896A CN200580036089A CN101043983A CN 101043983 A CN101043983 A CN 101043983A CN A2005800360896 A CNA2005800360896 A CN A2005800360896A CN 200580036089 A CN200580036089 A CN 200580036089A CN 101043983 A CN101043983 A CN 101043983A
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handle
blade holder
syndeton
blade
blade unit
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CN100563952C (zh
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R·约翰逊
R·A·特罗塔
K·布里奇斯
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Gillette Co LLC
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B21/00—Razors 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
    • B26B21/08—Razors 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
    • B26B21/14—Safety razors with one or more blades arranged transversely to the handle
    • B26B21/22—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B21/00—Razors 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
    • B26B21/08—Razors 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
    • B26B21/14—Safety razors with one or more blades arranged transversely to the handle
    • B26B21/22—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously
    • B26B21/222—Safety 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
    • B26B21/225—Safety 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B21/00—Razors 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B21/00—Razors 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
    • B26B21/08—Razors 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
    • B26B21/14—Safety razors with one or more blades arranged transversely to the handle
    • B26B21/22—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously
    • B26B21/222—Safety 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

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Dry Shavers And Clippers (AREA)
  • Pens And Brushes (AREA)
  • Knives (AREA)

Abstract

提供了用于将刀片架连接到剃须刀(例如用于湿法剃须的剃须刀)的手柄上的连接结构。

Description

剃须刀和刀片架
技术领域
本发明涉及具有可置换的刀片架的剃须刀以及用于此类剃刀的刀片架。
发明背景
剃须系统通常由手柄和其中在塑料外壳中安装了一个或多个刀片的可置换刀片架组成。在刀片架中的刀片因使用而变钝之后，刀片架即被丢弃并在手柄上换上一个新的刀片架。在某些剃须系统中，刀片架与手柄的连接提供刀片架相对于手柄的枢转固定，以便刀片架倾角适于顺从待剃须的表面轮廓。在此类系统中，刀片架可通过手柄上抵靠刀片架外壳上的凸轮表面载放的弹簧偏置插棒(凸轮从动件)的作用朝向某个静止位置偏置。
发明概述
在一个方面，本发明的特征大体在于可置换的剃刀片架包括刀片单元和用于将所述刀片单元连接到手柄上的刀片架连接结构。刀片架连接结构具有内基准表面，该内基准表面部分地限定手柄接纳区并与手柄的手柄连接结构上的外基准表面配合。刀片架连接结构也具有至手柄接纳区的连接口和延伸到手柄接纳区中的突出。所述突出具有朝向与连接口反方向的阻挡表面以将手柄连接结构保持在刀片架连接结构上。刀片架连接结构也包括刀片单元接纳部分，所述刀片单元接纳部分具有可枢转地接纳刀片单元的壳支承结构。
本发明的某些具体实施包括下列一个或多个特征。在某些具体实施中，刀片架连接结构包括具有带阻挡表面的突出的闩锁构件。当处于闩锁位置时，阻挡表面阻挡手柄连接结构从刀片架连接结构中缩回。当处于未闩锁位置时，阻挡表面允许手柄连接结构从刀片架连接结构中缩回。闩锁构件可包括可从初始位置移动到偏离位置的接合结构。当将接合结构从初始位置移动到偏离位置时，阻挡表面从闩锁位置移动到未闩锁位置。手柄的手柄连接结构可具有可从手柄伸出的顶出器，并且接合结构可对准顶出器。刀片架连接结构可包括回位弹簧，例如具有弯曲部分的弹簧。
在另一方面，本发明的特征大体在于，剃须刀包括如已经描述的刀片架和连接到刀片架上的手柄。
在另一方面，本发明的特征大体在于，将如已经描述的可置换剃须刀片架连接到手柄上并通过移动闩锁构件从手柄上释放刀片架来从手柄上分离刀片架的方法。
本发明的实施方案可包括下列一个或多个优点。闩锁构件的使用允许刀片架牢固地连接到手柄上，使得在使用期间意外脱离的可能性很小。此外，在想要置换刀片架时，可用很小的力来释放刀片架并将其从手柄上卸下。
本发明一个或多个实施方案的细节阐述于附图和以下说明中。通过该说明和附图并通过所述权利要求书，本发明的其它特征和优点将显而易见。
附图概述
图1为依照本发明的一个实施方案的剃刀的头部和颈部的透视图。
图1A为从后面观察的图1所示头部和颈部的透视图。
图2为图1剃刀的分解透视图。
图3和3A取自不同角度的用来将刀片架连接到图1所示剃刀的手柄上的连接构件的透视图。
图4和4A分别为图1所示剃刀的刀片单元的透视图和端视图。
图5为用图3和3A所示的连接构件连接到手柄上的图4和4A刀片单元的取自后面的透视图。
图6至6B分别为处在图2所示手柄上末端处的手柄连接结构的分解视图、顶视图和侧视图。
图7为图3至3A所示连接构件的后部的截面图。
图8为沿着图6A中的线8-8截取的图6至6A所示的手柄连接结构的相应部分的截面图。
发明详述
参见图1和2，剃须刀10包括一次性刀片架12和手柄14。如图2所示，刀片架12包括连接构件18和刀片单元16，连接构件18将刀片架12可拆卸地连接到手柄14的连接部分19上，刀片单元16可枢转地连接到连接构件18上。任选地，刀片架可包括安装在刀片单元16上的助剃支架30。助剃支架30描述于和本申请书同一日期提交的名称为Shaving Razors and Cartridges的U.S.S.N.10/969,373中。参见图1，刀片单元16包括塑料外壳20、在外壳20前面的防护件22和在防护件22与外壳20后部之间的刀片28。
刀片单元16类似于美国专利5,661,907中所述的刀片单元，其整个公开内容引入本文以供参考。手柄14类似于美国专利5,855,071、5,956,851和6,052,903中所述的那些，它们的整个公开内容均引入本文以供参考。下面讨论用来将刀片单元16连接到手柄14上的连接构件18。
如上所述，参见图1和2，剃刀10包括一次性刀片架12和手柄14。如图2所示，刀片架12包括连接构件18和刀片单元16。连接构件18将刀片架12可拆卸地连接到手柄14的连接部分19上，刀片单元16可枢转地连接到连接构件18上。
图3至3A详细显示了连接构件18。连接构件18包括基座127和两个臂128。基座127可拆卸地和固定地连接到手柄14的伸出部126上(图6)，臂128在其两侧可枢转地支撑刀片单元16，如图5所示。因此，基座127连接到手柄14的连接部分19上，同时臂128连接到刀片单元16上，如下文所详述。柔性回位弹簧145从基座127中伸出并抵住刀片单元16的凸轮表面作用，使刀片单元16具有向前偏置的静止定位。如图2所示，回位弹簧包括有助于基座127成型的弯曲200。
首先，将根据图3至5描述臂128与刀片单元16的连接。
首先参见图4A，在刀片单元外壳20的底部设置了伸出部134、136。伸出部134、136承载具有各自的曲面420、440的向内延伸的相对的曲轨138、141。外壳20的下表面460、480类似地呈弧形并给伸出部134、136提供枢转连接结构，如美国专利4,488,357、4,498,235、4,492,025、4,573,266、4,586,255、4,756,082中所详述，这些专利均引入本文以供参考。
曲轨138、141与外壳20的下表面460、480共同限定适于接纳连接构件18的臂128(图3)的弓形狭槽98、100。臂128限定接合下表面460、480的壳支承表面。因此，臂128或“壳支承”与表面460、480协作有利于刀片组合件枢转连接到剃刀手柄14上。这种配接在本文中称作“壳支承连接”。
轨道138、141的顶表面和外壳下表面460、480具有绕例如位于刀片单元的第二刀片201的切刃处的枢轴的曲率半径(图4)。伸出部134、136的曲面420、440类似地绕枢轴呈弧形。助剃支架30包括切除区域(未示出)以给由这些全曲面所提供的枢转运动提供清理。
壳支承具有顶表面(未示出)，其提供向前枢转停止位置和向后枢转停止位置，如美国专利5,661,907中所述。壳支承也具有与相应的弧形下表面460、480上所形成的顶表面135、137(图4A)配合的凹口(未示出)以补足向后枢转停止位置，从而防止进一步“向下”行进。
参见图4，在外壳20的底部上形成了凸轮表面250。表面250具有同一尺寸的两个相对的斜面和位于凸轮表面250的前面和后面中间的位置处的顶点。凸轮表面250在剃须期间允许刀片单元向前或向后枢转到同一程度，并适于接纳弹簧145在整个旋转的范围内例如经40至45度弧偏置刀片架。
现在，将根据图3至3A和6至8描述基座127与手柄14的连接部分19的连接。
参见图3A和7，基座127具有由内基准表面134部分限定的手柄接纳区132。连接口136(图7)提供进入手柄接纳区132的通路。内基准表面134与手柄14伸出部126上的外基准表面138(图8)配合。基座127也具有用于接纳手柄14上的斜表面142的倾斜凹口区域140。
参见图3A和8，基座127具有在基座底壁246上所形成的闩锁构件244。闩锁构件244具有悬臂梁结构并在基座区域248处连接到底壁246上。闩锁构件244在接合构件154上的自由端处的外出组件经受外力(即，沿着图7中的连接轴线76作用到左边)时易于枢转，如美国专利5,956,851中所述，上述专利引入本文以供参考。底壁246也具有凹槽256来帮助闩锁构件44的转动。
两个突出158(图3A和7)从闩锁构件244向上延伸用于与手柄14伸出部126的下表面上所形成的浅凹160相互作用(图8)。每个突出158具有前阻挡表面162、顶表面164和斜凸轮表面166。斜凸轮表面166与伸出部126连接到基座127上和从基座127上缩回期间沿其移动的连接轴线76成45度夹角。也可采用例如介于30和60度之间的其它角度。浅凹160类似地具有用于与前阻挡表面162相互作用的前表面168、分别用于接纳突出158的顶表面164和凸轮表面166的顶表面170和后斜表面172。突出158的前阻挡表面162与连接轴线76成约90度夹角。
美国专利5,956,851中进一步详细地讨论了在将刀片架12与手柄14连接和脱离期间，手柄14与刀片架12的组件的相互作用，上述公开内容引入本文以供参考。简而言之，当将手柄14的伸出部126移动到手柄接纳区132中时，伸出部126的坡面90(图8)骑跨在凸轮表面166上，这使闩锁构件244以及具体地讲其上的突出158沿着基本上垂直于连接轴线76和插入方向的偏转轴线向下移动。
当坡面90已经经过突出158并且闩锁构件244已经上移到其中突出158已经扣合到伸出部126的浅凹160中的闩锁位置时，刀片架12被牢固地连接到手柄14上，使得在使用期间意外脱离的可能性很小。由于手柄14上的表面168(图8)与刀片架12上的阻挡表面162(图7)的相互作用，因此连接特别可靠。表面162和168基本上垂直于伸出部126沿其需要相对于基座127进行移动以分开二者的轴线76。因此，如果不首先松开闩锁构件244，沿着轴线76将需要施加很大的力才能将刀片架12与手柄14分离。
图6至6B和8详细显示了手柄14的连接部分19。参见图6，刀片架支撑结构142由手柄14的末端伸出。刀片架支撑结构142包括以上所述的梯形伸出部126和为从手柄14顶出刀片架12而设置的组件。
在刀片架支撑结构142的凹槽149内部接纳了弹簧偏置的插棒144、弹簧146和U形顶出器148。顶出器按钮150被接纳在支撑结构142顶表面上的开口152内，并具有在顶出器148的后面狭窄部分处接纳在矩形区域156内部的底伸出部154。这些组件描述于美国专利5,855,071中，以上公开内容引入本文以供参考。顶出器148可滑动地安装在手柄14的手柄连接结构内的凹口内，并可通过启动手柄14上的按钮150略微向前移动。
当使用者想要断开刀片架12与手柄14的连接时，在未闩锁方向上相对于伸出部126移动按钮150，这使得顶出器148在顶出方向上沿着轴线76移动。顶出器148(图8)外推接合构件154，使得当闩锁构件244在基座区域248处弯曲时，突出158向下移动。这种向下运动使突出158脱离开浅凹160并从闩锁构件244中释放伸出部126，以便伸出部126在缩回方向上相对于基座127移动。然后可通过将手柄的连接部分19插入如上所述的手柄接纳区132中，来将一个新的刀片架安装在手柄上。

Claims (6)

1.一种可置换的剃刀刀片架，所述剃刀刀片架包括：
刀片单元，和
用于将所述刀片单元连接到手柄上的刀片架连接结构，
所述刀片架连接结构具有部分地限定手柄接纳区并与所述手柄的手柄连接结构上的外基准表面配合的内基准表面；和
所述刀片架连接结构具有至手柄接纳区的连接口和延伸到手柄接纳区中的突出，所述突出具有朝向连接口的反方向的阻挡表面，以将手柄连接结构保持在刀片架连接结构上；和
所述刀片架连接结构也具有刀片单元接纳部分，所述刀片单元接纳部分具有可枢转地接纳刀片单元的壳支承结构。
2.如权利要求1所述的刀片架，其中所述阻挡表面在处于闩锁位置时阻挡手柄连接结构从刀片架连接结构缩回，并且在处于未闩锁位置时允许手柄连接结构从刀片架连接结构缩回。
3.如权利要求1所述的刀片架，所述刀片架还包括闩锁构件，所述闩锁构件包括可从初始位置移动到偏离位置的接合结构，当接合结构从初始位置移动到偏离位置时，所述阻挡表面从闩锁位置移动到未闩锁位置。
4.如权利要求3所述的刀片架，其中所述手柄的手柄连接结构具有可从手柄伸出的顶出器，并且接合结构对准顶出器。
5.如权利要求1所述的刀片架，其中所述刀片架连接结构包括用于相对于刀片架连接结构偏置刀片单元的回位弹簧。
6.如权利要求5所述的刀片架，其中所述回位弹簧包括弯曲部分。
CNB2005800360896A 2004-10-20 2005-10-13 剃须刀和刀片架 Active CN100563952C (zh)

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US10/969,392 US8033023B2 (en) 2004-10-20 2004-10-20 Shaving razors and cartridges
US10/969,392 2004-10-20

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CN104661798A (zh) * 2012-07-26 2015-05-27 沙夫罗吉克公司 枢转剃刀
CN104661798B (zh) * 2012-07-26 2016-06-29 沙夫罗吉克公司 枢转剃刀
CN104870149A (zh) * 2012-12-21 2015-08-26 比克-维尔莱克 剃须刀
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CN105829037A (zh) * 2013-12-20 2016-08-03 吉列公司 加热的剃刀柄部
CN105829037B (zh) * 2013-12-20 2019-10-18 吉列有限责任公司 加热的剃刀柄部

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RU2385217C2 (ru) 2010-03-27
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AR051139A1 (es) 2006-12-20
JP2008516729A (ja) 2008-05-22
EP1809449B1 (en) 2012-01-25
JP2012196489A (ja) 2012-10-18
CA2583203C (en) 2011-09-06
CN100563952C (zh) 2009-12-02
CA2583203A1 (en) 2006-04-27
MX2007004836A (es) 2007-05-16
TW200628275A (en) 2006-08-16
JP5538677B2 (ja) 2014-07-02
US20060080838A1 (en) 2006-04-20
EP1809449B2 (en) 2021-01-20
US8033023B2 (en) 2011-10-11
ATE542648T1 (de) 2012-02-15
RU2007118656A (ru) 2008-11-27
KR20070050102A (ko) 2007-05-14

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