TWM264921U - Powered toothbrush having three dimensional rotational head motion - Google Patents
Powered toothbrush having three dimensional rotational head motion Download PDFInfo
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- TWM264921U TWM264921U TW093211576U TW93211576U TWM264921U TW M264921 U TWM264921 U TW M264921U TW 093211576 U TW093211576 U TW 093211576U TW 93211576 U TW93211576 U TW 93211576U TW M264921 U TWM264921 U TW M264921U
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- electric toothbrush
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- bristle
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Classifications
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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
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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
- A61C17/40—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like orbiting, e.g. nutating
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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
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- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Brushes (AREA)
Description
M264921 九、新型說明: 【新型所屬之技術領域】 供—本創作係關於電動牙刷’特•別是關於一種具有一可提 為侧到另一側往復及上下搖擺三度空間之動作之刷頭之 勤力牙刷。 【先前技術】 10 15 20 操作傳統具有一般柱狀刷頭之電動牙刷係藉由一直流馬達 順日士,其申馬達之旋轉運動被轉化成為二度空間,通常依 揭^十旋轉且逆時針往復之動作。如美國專利4,156,620所 &兵此直流馬達驅動軸之單向軸狀運動經由小齒輪及冠 ㈣輪的組成可被轉化成為—圓狀運動。此圓狀運動藉由 成該:狀:輪附接於-曲柄及U形連接管之組成可被轉化 、為往復式動作以驅動牙刷刷頭。此係一複雜機制,相 對製造成本較高且機構上故障潛在性高。 另美國專利5,625,916揭示-簡化電動牙刷驅動機制, "中驅動軸末端形如肘狀,亦即轉折而偏離或靠近其縱 車由,且設置於柱狀刷頭之一凹槽内;此凹槽係與柱狀刷頭 之縱軸平行。隨著驅動軸循單方向旋轉,此肘狀末端形成 -環繞驅動縱軸之對應單方向圓圈,相對於柱狀刷頭縱轴 作向上及向下的移動,因此連帶驅動密合之凹槽邊緣使得 才主狀刷頭可以二度空間自一側到另一側往復方式動作。如 此二度空間往復動作限制了刷毛束與使用者三度空間齒列 接觸的期間,從而限制了牙刷的清潔效果。 美國專利5,862,558揭示-具有三度空間運動之電動牙 25 M264921 刷頭,其刷毛尾端可以錐狀旋轉促進清潔。為達成此三度 空間錐狀旋轉,該專利利用一含有兩個軸承栓釘(該二轴承 栓釘中,一個橫亙於牙刷之縱向,另一個則與該縱向成一 斜角)和一具有兩個小齒輪之組件,以及一上窄下寬圓盤之 5 複雜機制。此一複雜機制與前述美國專利4,156,620具有相 同缺憾,亦即相對製造成本較高且機構上故障潛在性高。 因此,工藝上對具備簡化機制,以及能使刷毛更緊密 接觸牙齒增進清潔效果之三度空間運動刷頭的電動牙刷之 需要是一直持續的。 10 【新型内容】 本創作提供一具有簡化機械設計之電動牙刷,其延伸 主體之一端為刷頭而另一端為握把;刷頭包含一具有曲面 邊緣之嵌座;嵌座由一刷毛座以圓執狀置放其内;此刷毛 15 座邊緣曲率與後座曲面邊緣吻合而多束刷毛則延伸自刷毛 座表面;此刷毛座在邊緣上有一鑽孔;而握把則被安排含 有一可旋轉驅動裝置,其中一驅動軸延伸自該裝置且末端 位於驅動軸中央縱軸旁並與該鑽孔可驅動地咬合;因此, 當驅動軸旋轉時,刷毛座被驅動軸末端帶動得以在嵌座内 20 以自一側到另一側往復且上下搖擺三度空間方式運動。此 刷頭之三度空間動作增進刷毛及牙齒三度空間表面之接觸 進而促進清潔效果。 【實施方式】 25 參見附圖,其中相同的符號係標示相同或類似之組 件,特別是圖一;其顯示一符合本創作之電動牙刷,1〇。 M264921 此牙刷10包含一端之握把12及另一端之刷頭16,一自握 把12延伸至刷頭16之可旋轉柱狀驅動軸14,及_設置於 刷頭16内之刷毛座18。此刷毛座18有一平坦或局部平坦 表面’有許多刷毛束30自此表面上延伸,及另一底面32 5 以及一球面曲率邊緣48,其中在此球面曲率中點或頂點之 斷面為圓形且落於通過刷毛座18中心42之平面上。握把 12提供了安置電動馬達20及兩個電池22, 24的空間,係— 普遍被接受之供電方式,同時也可包含一電動開關(未畫出) 以開段或關閉馬達。一傳統麵合傳動轴26被用以連結驅動 10 軸14及馬達20,必要時亦可以一工具將刷頭π自握把2 拆卸,如此當刷毛30業經磨損時便可以更換刷頭。 刷頭16如附圖二、三所示,包含一具有上方開放,一 通常為平坦或凸出之底部34,及平順外凸球面邊緣46之腔 室或嵌座28以置放可以三度空間圓執狀旋轉之刷毛座18。 15 為促成刷毛座18在嵌座28内得以圓軌狀運動,刷毛座18 邊緣48係一與嵌座球面邊緣46緊密吻合之平順外凸球 面。此外,刷毛座18置於嵌座28内,如此刷毛座底面32 及嵌座底部34間尚留有空間。使得刷毛座18 一邊循圓軌 旋轉向下進入嵌座28内時’另一相反側會循圓軌旋轉向上 20 凸出嵌座28之外,參閱附圖四與五。 參閱附圖四與五’刷毛座18在刷頭16内的位置係由 驅動軸14之彎曲末端3(5所維持及控制,而該驅動軸係以 可旋轉方式固定於/最好為柱狀且依徑向自刷毛座18外部 周邊伸展向内之鑽孔5〇。鑽孔50之斷面通常和彎曲末端 25 36之斷面相同,以保留其間最少活動範圍。該彎曲末端36 係偏移自驅動軸14之中央縱軸38且彎向該中央縱軸38, M264921 使得彎曲末端36沿A-A軸指向刷毛座18中心點42。刷毛 座18之中央轴40通過刷毛座18中心點42且與中央圓形 斷面所處平面垂直。 A-A轴及中央縱轴38間形成一召角。如示於圖四與 五,召之較佳角度為12.5度,此時彎曲末端36係以77.5 度角,亦即石之補角彎向中央縱轴38。當彎曲末端36隨驅 動軸14轉動時,形成一個環繞中央縱軸38之圓圈,從而 驅動刷毛座18以與沒角等弧度自一側到另一侧往復及上下 搖擺之動作,因此,當点為較佳設定之12.5度時,其擺弧 為由一側到另一側,及由上到下25度。彎曲末端36之偏 移量可以改變使得召範圍在5到20度之間,亦即彎曲末端 可對應地以85到70度角彎向中央縱軸38 ;使得刷毛座18 可被驅動形成相對於中心點42可小可大之上下搖擺且由一 側至另一側往復三度空間運動。隨著彎曲末端36的旋轉, 其相對於所導致刷毛座18上下搖擺運動之位置可見於附圖 三、四及五。 如示於圖三、四及五,在刷頭16之内,刷毛座18有 多束刷毛自其上方表面延伸,其中外圍刷毛長於靠近刷頭 16中心之内圈刷毛;以提供一由刷毛末端形成之表面凹 陷,此凹陷得以承載牙膏,同時亦順應牙齒之曲面。儘管 内圈及外圍刷毛長度上有如是相對關係,圖示之特定刷毛 係一僅供圖解用之隨意形式。 馬達20如示於圖一,最好以每分鐘22〇〇轉速率運 作,以提供刷毛座18相對於中心點42約每分鐘4400轉, το整的自一側到另一側及上下振盪運動。必要時馬達可以 其他轉速從每分鐘800轉到甚至超過45〇〇轉,或者馬達可 M264921 以被設計為由使用者選擇在兩個或更多之轉速間操作。 為提供刷毛座18於嵌座28内之順暢旋轉,刷毛座18 及刷頭16包含嵌座28最妤由低磨擦係數及良好磨損特性 塑膠製成。一合適之此類塑膠為丙烯腈-丁二烯-苯乙烯, 5 ABS,係一共聚合物,可購自中華民國台灣仁德鄉奇美公 司,料號為PA757。另一合宜塑膠為聚縮醛類,如聚氧化 甲烯,POM,可購自美國德拉瓦州懷明頓市杜邦工程聚合 公司,品名Derlin,等級500P。 10 【圖式簡單說明】 圖一為本創作一實施例之正視斷面圖; 圖二為刷頭部分正視圖,顯示出刷毛座之斷面及其與 驅動軸之連結; 圖三為刷頭左側斷面圖,其中驅動軸之彎曲末端恰與 15 包含驅動軸縱軸之水平平面對齊,而在與此水平平面成九 點鐘方向則為此驅動軸之中央縱軸;其右側斷面圖恰為圖 三之鏡面映照; 圖四為刷頭左側斷面圖,其中驅動軸之彎曲末端恰落 於與包含驅動軸中央縱軸之水平平面成12點鐘方向; 20 圖五為刷頭左側斷面圖,其中驅動軸之彎曲末端恰落 於與包含驅動軸中央縱軸之水平平面成6點方向。 M264921 【主要元件符號說明】 10 電動牙刷 12 握把 14 驅動軸 5 16 刷頭
18刷毛座 20 馬達 22 電池 24 電池 10 26耦合傳動轴 28 嵌座 30 刷毛束 32刷毛座底面 34嵌座底部 15 36 驅動轴之彎曲末端 38 驅動軸之中央縱軸
40 刷毛座之中央軸 42 刷毛座中心點 46 嵌座之球面邊緣 20 48 刷毛座之邊緣 50鑽孔 -10 - 25
Claims (1)
- M264921 十、申請專利範圍: L 一種電動牙刷(10),包含: 一延伸主體具有一端為刷頭(16)及另一端為握把 (12);該刷頭(16)包含具有曲面邊緣(46)之嵌座(28)及其内 一刷毛座(18); 該刷毛座(18)具有一上方表面,該上方表面具有多束 刷毛(30)自其延伸,該刷毛座(18)並具有曲面邊緣(48)與 該嵌座(28)之曲面邊緣(46)對應; 該刷毛座(18)具有一鑽孔(50)於一邊緣(48); 該握把(12)包含一具有驅動軸(14)之驅動裝置,該驅 動轴自該握把(12)延伸至一末端(36),該末端(36)自驅動 軸(14)中央縱軸(38)偏移,並可驅動地接合該鑽孔(5〇); 藉此,當此驅動裝置使驅動軸(14)轉動時,彎曲的末端 (36)至少以兩個動作帶動刷毛座(18),以形成刷毛座(18) 在嵌座(28)内之三度空間運動。 2·如申請專利範圍第1項之電動牙刷(10),其中該嵌座(28) 具有球面曲線邊緣(46)。 3·如申請專利範圍第1項之電動牙刷(10),其中該驅動裝置 為一旋轉式驅動裝置。 4·如申請專利範圍第3項之電動牙刷(10),其中該旋轉式驅 動裝置為一電動馬達(2〇)。 5·如申請專利範圍第1項之電動牙刷(10),其中該至少兩個 動作為一往復動作及一搖擺動作。 6·如申請專利範圍第5項之電動牙刷(10),其中該往復動作 為從一側到另一側之運動。 -11 - M264921 7.如申請專利範圍第5項之電動牙刷(1〇),其中該搖擺動作 為向上及向下之運動。 8·如申請專利範圍第丨項之電動牙刷(1〇),其中 刷毛座(18)具有一中央軸(40); 5 末端(36)指向中央縱軸(38)及中央軸(40)之交會點, 且末端(36)以約70到85度角朝向中央縱軸(38)。 9·如申請專利範圍第2項之電動牙刷(1〇),其中末端(36)以 約77.5度角朝向中央縱軸(38)。ίο·如申請專利範圍第丨項之電動牙刷(10),其中驅動軸(14) 10 以每分鐘約800轉至4500轉速率旋轉。 Π·如申請專利範圍第1項之電動牙刷(1〇),其中驅動軸(Μ) 以每分鐘約2200轉速率旋轉。 12·如申請專利範圍第丨項之電動牙刷(1〇),其中刷頭(Μ)及 刷毛座(18)以丙烯腈-丁二烯-苯乙烯或聚氧化甲煤此 15 物製成。-12 -
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US09/605,188 US6347425B1 (en) | 2000-06-28 | 2000-06-28 | Powered toothbrush having three dimensional rotational head motion |
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TWM264921U true TWM264921U (en) | 2005-05-21 |
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TW093211576U TWM264921U (en) | 2000-06-28 | 2001-06-28 | Powered toothbrush having three dimensional rotational head motion |
Country Status (28)
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US (1) | US6347425B1 (zh) |
EP (1) | EP1296613B1 (zh) |
JP (1) | JP2004500960A (zh) |
KR (1) | KR20030020316A (zh) |
CN (1) | CN1222253C (zh) |
AR (1) | AR033381A1 (zh) |
AT (1) | ATE341289T1 (zh) |
AU (2) | AU7017301A (zh) |
BR (1) | BRPI0112007B1 (zh) |
CA (1) | CA2413288C (zh) |
DE (1) | DE60123610D1 (zh) |
EG (1) | EG22690A (zh) |
GB (1) | GB2379868B (zh) |
GT (1) | GT200100125A (zh) |
HU (1) | HUP0301397A2 (zh) |
IL (1) | IL153500A0 (zh) |
MX (1) | MXPA03000179A (zh) |
MY (1) | MY134013A (zh) |
NO (1) | NO20026216L (zh) |
NZ (1) | NZ523228A (zh) |
PA (1) | PA8521401A1 (zh) |
PE (1) | PE20020109A1 (zh) |
PL (1) | PL359994A1 (zh) |
RU (1) | RU2266079C2 (zh) |
TW (1) | TWM264921U (zh) |
WO (1) | WO2002000136A1 (zh) |
YU (1) | YU99202A (zh) |
ZA (1) | ZA200210209B (zh) |
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-
2000
- 2000-06-28 US US09/605,188 patent/US6347425B1/en not_active Expired - Lifetime
-
2001
- 2001-06-25 MY MYPI20012998 patent/MY134013A/en unknown
- 2001-06-26 DE DE60123610T patent/DE60123610D1/de not_active Expired - Lifetime
- 2001-06-26 PL PL35999401A patent/PL359994A1/xx unknown
- 2001-06-26 IL IL15350001A patent/IL153500A0/xx unknown
- 2001-06-26 RU RU2003102434/14A patent/RU2266079C2/ru not_active IP Right Cessation
- 2001-06-26 KR KR1020027017934A patent/KR20030020316A/ko not_active Application Discontinuation
- 2001-06-26 AU AU7017301A patent/AU7017301A/xx active Pending
- 2001-06-26 AU AU2001270173A patent/AU2001270173B2/en not_active Ceased
- 2001-06-26 NZ NZ523228A patent/NZ523228A/en unknown
- 2001-06-26 JP JP2002504921A patent/JP2004500960A/ja active Pending
- 2001-06-26 CA CA002413288A patent/CA2413288C/en not_active Expired - Fee Related
- 2001-06-26 PE PE2001000624A patent/PE20020109A1/es not_active Application Discontinuation
- 2001-06-26 MX MXPA03000179A patent/MXPA03000179A/es active IP Right Grant
- 2001-06-26 BR BRPI0112007A patent/BRPI0112007B1/pt not_active IP Right Cessation
- 2001-06-26 GT GT200100125A patent/GT200100125A/es unknown
- 2001-06-26 CN CNB018118585A patent/CN1222253C/zh not_active Expired - Fee Related
- 2001-06-26 EP EP01948729A patent/EP1296613B1/en not_active Expired - Lifetime
- 2001-06-26 WO PCT/US2001/020312 patent/WO2002000136A1/en active IP Right Grant
- 2001-06-26 AT AT01948729T patent/ATE341289T1/de not_active IP Right Cessation
- 2001-06-26 GB GB0301011A patent/GB2379868B/en not_active Expired - Fee Related
- 2001-06-26 HU HU0301397A patent/HUP0301397A2/hu unknown
- 2001-06-26 YU YU99202A patent/YU99202A/sh unknown
- 2001-06-27 AR ARP010103070A patent/AR033381A1/es not_active Application Discontinuation
- 2001-06-27 EG EG20010695A patent/EG22690A/xx active
- 2001-06-28 TW TW093211576U patent/TWM264921U/zh not_active IP Right Cessation
- 2001-06-28 PA PA20018521401A patent/PA8521401A1/es unknown
-
2002
- 2002-12-17 ZA ZA200210209A patent/ZA200210209B/en unknown
- 2002-12-23 NO NO20026216A patent/NO20026216L/no not_active Application Discontinuation
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Legal Events
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MM4K | Annulment or lapse of a utility model due to non-payment of fees |