TWI278409B - Bicycle crank assembly and assembly tools - Google Patents
Bicycle crank assembly and assembly tools Download PDFInfo
- Publication number
- TWI278409B TWI278409B TW092104392A TW92104392A TWI278409B TW I278409 B TWI278409 B TW I278409B TW 092104392 A TW092104392 A TW 092104392A TW 92104392 A TW92104392 A TW 92104392A TW I278409 B TWI278409 B TW I278409B
- Authority
- TW
- Taiwan
- Prior art keywords
- fastener
- shaft
- peripheral surface
- mounting
- crank arm
- Prior art date
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 47
- 238000007689 inspection Methods 0.000 claims description 2
- 230000035935 pregnancy Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 description 7
- 239000007769 metal material Substances 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N urethane group Chemical group NC(=O)OCC JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- 208000004067 Flatfoot Diseases 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K19/00—Cycle frames
- B62K19/30—Frame parts shaped to receive other cycle parts or accessories
- B62K19/34—Bottom brackets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B15/00—Screwdrivers
- B25B15/001—Screwdrivers characterised by material or shape of the tool bit
- B25B15/004—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section
- B25B15/005—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section with cross- or star-shaped cross-section
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/0071—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for bicycles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M3/00—Construction of cranks operated by hand or foot
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M3/00—Construction of cranks operated by hand or foot
- B62M3/003—Combination of crank axles and bearings housed in the bottom bracket
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B2200/00—Constructional details of connections not covered for in other groups of this subclass
- F16B2200/69—Redundant disconnection blocking means
- F16B2200/71—Blocking disengagement of catches or keys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2326/00—Articles relating to transporting
- F16C2326/20—Land vehicles
- F16C2326/28—Bicycle propulsion, e.g. crankshaft and its support
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/07—Fixing them on the shaft or housing with interposition of an element
- F16C35/077—Fixing them on the shaft or housing with interposition of an element between housing and outer race ring
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/70—Interfitted members
- Y10T403/7026—Longitudinally splined or fluted rod
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/21—Elements
- Y10T74/2164—Cranks and pedals
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/21—Elements
- Y10T74/2164—Cranks and pedals
- Y10T74/2165—Cranks and pedals with attached gear
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Motorcycle And Bicycle Frame (AREA)
- Axle Suspensions And Sidecars For Cycles (AREA)
- Automatic Cycles, And Cycles In General (AREA)
- Steering Devices For Bicycles And Motorcycles (AREA)
- Mounting Of Bearings Or Others (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Connection Of Plates (AREA)
- Transplanting Machines (AREA)
Description
1278409 ⑴ 玖、魏明赫明 (發明說明應敘明··發明所屬之技術領域、先前技術、内容、實施方式及圖式簡單說明) 有關申請案交互參考 本申清案為同在申請中的美國專利申請案第10/002,256 说’ 2001年11月23曰列案,標題為”Seal Assembly f〇r &
Bicycle Bottom Bracket”的部分接續申請案。 技術領域 本I明係針對腳踏車類,而明確言之,係針對一腳踏車 曲柄總成及用以組裝腳踏車曲柄總成之組件及工具。 先前技術 腳踏車底托架為腳踏車上一圓筒形的管狀部分,用以將 腳踏板總成成可旋轉方式安裝到聊踏車。腳踏板總成通常 包括左側及右側曲柄臂,各有-腳踏板附接在-端。各曲 柄臂的另-端係連接到一通過底托架伸展的轴柱。在底托 架的各-側’有軸承總成配置在轴柱與底托架之間,用以 成可旋轉支持該軸柱,而—或多個前鏈輪通常是附接到右 側的曲柄臂上,用以驅動腳踏車鏈條。 前鏈輪必須與附接在後車輪上的後鏈輪正確對正,腳踏 車才能正當運作。因此,在底 你尼代木円的軸柱必須在側向上 ,立。—已知的調整-軸柱側向位置的技術中,該 裝在該管狀件兩端的轴承總成可旋轉定位在-s狀件的中心並在側向上固定。然後軸枉及管狀 底托架中。在管狀件的相對㈣!,將具有 的調節件,藉螺紋旋揮進底托架有螺紋的内周邊 以使該轴柱的侧向位置,可由各調節件旋捧進 1278409
⑺ 的多少程度來決定。不幸的是,因為該調節件必須夠長到 可適應該軸柱諸多的側向位置,通常各調節件的有螺紋外 周邊表面會有暴露在外面的部份,而這時常招致螺紋的銹 I虫及辦物污染。而且’因為該軸柱係藉軸承總成固定到管 狀件’-般來說,該軸柱、管狀件、及軸承總成,必須作 為一個單元予以調換。 本發明是針對-種腳踏車曲柄總成,其軸柱的側向位置 可以調整而無早先技藝軸柱總成所具有的各項缺點。在本 發明的-具體實施例中,—腳踏車曲柄裝置包括:一軸柱 ’具有第-端頭部分及—第二端頭部分,丨中第—端頭部 分具有—外周邊表面及—有螺紋的内周邊表面;—轴柱螺 检’具有-有職外周邊表面,藉螺紋擰進該軸柱第一端 頭部分有螺紋的内周邊表面巾;—曲柄f,具有—轴柱安 裝凸面界定-用以將該軸柱的第一部分收納在其中的開孔 曲其:該軸柱安裝凸面,包括一第一緊固#,用以勒緊該 :柄#的安裝凸面包圍該軸柱的第—端頭部分;而該曲柄 —凸面’係配置在軸柱螺栓的軸向内側。此—結構的至少 —個好處’是該軸柱螺检可用作餘與曲柄f彼此相對的 :向定位,而曲柄臂可用以遮蓋該軸柱螺柄何未旋摔進 輛柱中的有螺紋部分。 軸柱螺栓的具體實施例 具有一有螺紋外周邊表 有多根栓槽在該螺栓主 在一將曲柄臂組裝到軸柱上所用 中,一軸柱螺栓包括一螺栓主體, 面及一界定一開孔的内周邊表面。 (3) (3)1278409 體的内周邊表面上沿圓周配置,並有一凸緣從該螺检主體 成向外放射狀擴張。 在一種用於將軸柱螺栓旋擰進軸柱中的工具的具體實施 例中,該工具包括_工具主體,有多根栓槽在該工具主體 的外周邊表面上沿圓周配置,並有一工具操作部從該工具 主體成向外放射狀擴張。 實施方式 圖1為一腳踏車10的側視圖,該腳踏車10納入一根據本 發明的曲柄總成之一特別具體實施例。腳踏車10可以是任 何型式的腳踏車,而在此一實施例中,腳踏車丨0包括一典 型的車架18,由一上管22、一頭管24、一支持一車座32並 從上管22向下延伸的車座管3〇、一配置在下管26與車座管 30接合處的底托架33(圖3)、一付從上管22向後下延伸的座 支撐3 4、及一付從底托架3 3向後延伸的鏈撐條3 8所組成。 一前又42係可轉動承支在頭管24中,而一前輪牝係可旋轉 承支在前叉42的下端上。把手5〇以眾所熟知的方式控制前 叉42和前輪46的轉動方向。一後輪54,具有多個同軸心安 裝的後(自由輪)鏈輪56,係可旋轉承支在座支撐34與鏈撐條 38接合處,及一支持多個前(鏈環)鏈輪62的腳踏板總成58 ,成可轉動承支在底托架33内。腳踏板總成58包括一軸柱 59、一附接在軸柱59右端的右側曲柄臂60A、一附接在軸柱 59左端的左側曲柄臂60B、及分別成可旋轉連接到曲柄臂 60A及60B—端頭上的腳踏板61A及61B。典型的,有兩或三 個前鏈輪62成同軸心旋轉並與右側曲柄臂6〇a結合成一整 1278409 體。-鏈條66,與多個前鏈輪62中之一及多個後鍵輪义之 :嚙合。根據騎士的換擋需纟,以一已知方式,一前換鏈 器70將鏈條66從-前鏈輪62搬動到另_前鏈輪,而一後換 鏈器74將鏈條66從一後鏈輪56搬動到另一後鏈輪。 圖2為根據本發明的一底托架總成1〇〇之一特殊具體實 施例而圖3為底托架總成1 〇〇之一分解圖。如在兩圖中所 示,底托架總成1〇〇包括一底托架33、一配置在底托架33 内中的防塵管104 ,其中防塵管1〇4在其相對的兩端處具有 環狀槽108及112,有〇形環密封丨16及12〇分別緊配在環狀槽 108及112中,並有調節器總成124八及124]8緊配在該底托架 33的兩端。調節器總成124八及12扣,係用以在底托架”内 中兼作軸柱59側向定位工作,以使前鏈輪62可正確對正後 鏈輪56。如此的定位方式,可讓前後換鏈器7〇及74圓滿操 縱鍵條6 6。 如在圖3及4中有較清楚的顯示,在此具體實施例中,調 節器總成124 A包括:一調節件13 〇 A、一軸承環13 4A、一轴 承單元138A、一密封環142A、一密封護罩146A、一 Ο形環 150A、兩環狀墊圈154A、及兩圍繞墊圈154A外周邊表面緊 配的軟性尿烷環狀墊圈護蓋1 58A,如在圖2中所示。同樣, 如在圖3中所示,調節器總成124B包括:一調節件130B、 一呈軸承環134B形狀的軸襯、一軸承單元138B、一密封環 142B、一密封護罩146B、一 Ο形環15 0B、一環狀墊圈154B 、及一圍繞墊圈1 54B外周邊表面緊配的軟性尿烷環狀墊圈 護蓋158B。墊圈154A及154B有助於軸柱59側向位置的設定 1278409 (5) 如在圖中所示。在此具體實施例中,有兩個墊圈1 54A在底 托架總成100的右側,而只有一個墊圈在底托架總成1〇〇的 左側。因此,軸柱59、曲柄臂60A及6〇B、以及鏈輪62已相 對底托架3 3稍許移動到右側。 凋節器總成124A及124B是相同建構,只是數量上不同, 而且兩者係以相同方式操作,所以將僅就調節器總成i Μ A 組成件之細節加以詳細說明。如在圖4中有較清楚顯示,調 節件130A包括:一較小直徑的管狀部分162A,具有一有螺 紋的外周邊表面166A及一加厚的内側部分丨7〇A ; 一放射狀 向外擴張的側面牆174 A ;及一較大直徑部分178A,具有一 内周邊表面182A及一形成工具嚙合面19〇A的外周邊表面 1 86A。當調節器總成124A是在組合狀態時,該較小直徑部 分162A的有螺紋外周邊表面166A ,完全旋擰進底托架33的 有螺紋内周邊表面194A(圖3)中,直到調節件130A的側面牆 174A抵觸到底托架33的一傍側邊緣198A為止,如在圖2中 所不。如是,在此具體實施例中,該有螺紋的外周邊表面 166A不會有暴露在外面的部分。 軸承環134A包括一管狀部分2〇〇A及一放射狀向外擴張 的側面牆204A。當調節器總成124A是在組合狀態時,軸承 壞134A接觸到調節件i3〇A較大直徑部分178A的内周邊表 面182A,而側面牆204A則抵接到一形成在内周邊表面182八 上的抵接σ階2 0 8 A。在此具體實例中,軸承環1 3 4 A是用 一非金屬材料製作,例如POM(聚甲駿)塑膠。 在此具體實例中,軸承單元1 3 8 A乃是一種習知的密封軸 -10- 1278409 1^^ 承單元,包括-内軸承滾圈212A、_外車由承滾圈216八'多 個配置在内軸承滾圈212A及外軸承滾圈216A之間的球珠 轴承220A、以及環狀傍側護蓋224A。當調節器總成1 24八是 在組合狀態時,外滾圈216A與軸承環134八接觸。因為軸承 環134A是用非金屬材料製作的,所以該兩組成件接觸所引 起的吱吱聲或其它噪音可以減小或消除。當然,軸承環 可用任何適合於用途或成本的材料來製作。 密封護罩146A作用如一密封環142八及〇形環15〇a之支 撐而其包括一環狀基底部230A、一内管狀部234A、及一 外管狀部238A。在此具體實施例中,密封護罩146八是用非 金屬材料如POM塑膠製作。内管狀部234A是從基底部230A 的一徑向内側表面延伸出,而在此具體實施例中,是從基 底部230A的徑向最内側邊緣242A延伸,以形成一徑向内周 邊表面或内凸緣246A。當調節器總成124A是在組合狀態時 ’内凸緣246A接觸到並支持軸承單元138A的内軸承滾圈 212A。一凸起部248A ,從内管狀部234A的自由邊緣249八 成放射狀向外擴張(在此實施例中約擴張〇·丨毫米),用以將 軸承單元138A鎖定在其内管狀部234A上的位置上。因為密 封護罩146A是用非金屬材料製作,所以兩組件間接觸所引 起的吱吱聲及其它不良噪音可以減小或消除。當然,密封 護罩146A可用任何適合於用途或成本的材料來製作。 外管狀部2 3 8 A是從基底部2 3 0 A的徑向外側表面延伸,而 在此實施例中,是與基底部230A的徑向最外側邊緣250A間 隔設置,俾以構成一徑向外周邊表面或外凸緣254A。當調 1278409
⑺ 節器總成124A是在組合狀態時,外凸緣254A接觸到並支持 密封環142八及軸承單元138八之外軸承滾圈216八。因此,軸 承單元138A是夾在内凸緣246A與外凸緣254A之間。儘管在 此實施例中的内管狀部234A及外管狀部238A是從基底部 230A的同一側延伸出,對該兩者而言並非必須如此。
在此實施例中,密封環142A作用如一外密封,而其係一 大致呈L-形環狀構件,具有一基底部分25 8 A及一放射狀向 外擴張的唇緣部分262A,後者與基底部分258 A形成一銳角 。基底部分258A與外凸緣254A接觸並受其支持,而唇緣 部分262A與調節件130A的内周邊表面128A接觸。當然,密 封環142A可採用許多不同的形狀,而且也不必是直接與各 組件接觸。0形環1 50A作用如一内密封,是配置在基底部 分23 0A的徑向内側邊緣242A處,與内管狀部234A相對。當 調節器總成124A是在組合狀態時,〇形環150A與軸柱59相 接觸。密封環142A與0形環150A聯合阻止污染物進入包容
在軸承單元138A的空間,可比早先技藝的密封結構更有效 益。 圖5為一軸承環ι34Α,之明細橫截面視圖,軸承環^八, 代表圖4中所示軸承環134A之一可替代實施例。與軸承環 134A 一樣,軸承環134A’包括一管狀部分200A,及一放射狀 向外擴張的側面牆204A。然而,在此實施例中,一中央設 置的襯套凸起部260A,從管狀部分200A,徑向向内突出,俾 當調節器總成124A在組合狀態時,用以抵接外軸承滾圈 216A °如果軸承單元Π8Α因某種原因而歪斜成如在圖5中 -12- 1278409 (8) 以虛線所示的情況時(例如,底托架33因製造瑕疵或碰撞緣 故而彎曲時),凸起部260Α於是可容納此類歪斜。雖然在此 貫k例中襯套凸起部260Α具有一梯形的形狀,其可以具有 球面的或其它的形狀来執行相同的功能。
如在圖3中所示’右側曲柄臂60A包括:一曲柄臂主體3〇〇 ,一軸柱安裝凸面304,具有一軸柱安裝孔3〇8及一製有栓 槽的内周邊表面312; —腳踏板安裝凸面316,具有腳踏板 女I孔320及一有螺紋内周邊表面324;四個鏈輪安裝臂328 ,從軸柱安裝凸面304成輻射線狀向外延伸出。在此實施例 中’各鏈輪安裝臂328具有三個鏈輪安裝孔32 8A、32 8B、 328C,用以架裝三個前鏈輪。
如在圖6及7中所示,左側曲柄臂60B包括:一曲柄臂主體 330,一軸柱安裝凸面331,具有一軸柱安裝孔332及一有栓 槽的内周邊表面333;及一腳踏板安裝凸面334,具有一腳 踏板安裝孔335及一有螺紋的内周邊表面336。在此具體實 施例中,軸柱安裝凸面331包括一第一安裝耳337,隔離但 極接近一第二安裝耳338設置。第一安裝耳337包括一無螺 紋緊固件孔339及一有螺紋緊固件孔340,而第二安裝耳33 8 包括一無螺紋緊固件孔341及一有螺紋緊固件孔342。一具 有一有螺紋脛部344及一頭部345的曲柄臂螺栓343,係穿過 在苐一女裝耳3 3 7的無螺紋緊固件孔3 3 9、經螺紋旋擰進第 二安裝耳338的有螺紋孔342中,使得頭部345抵接到第一安 裝耳337。同樣,一具有一有螺紋脛部347及一頭部348的曲 柄臂螺栓346,係穿過在第二安裝耳338中的無螺紋緊固件 -13- 1278409 ⑼ 得軸柱59之第二端部354伸入至曲柄臂60B之軸柱安裝凸面 331中之開口 332,且凸緣366緊抵住曲柄臂60A之安裝凸面 3 0 4。軸柱螺紋3 8 0接著便利用工具4 5 0而藉由有栓槽部分 458與軸柱螺栓380栓槽400的嚙合,並藉抓緊及旋轉抓握盤 緣474,將軸柱螺栓38〇旋擰進軸柱59的有螺紋内周邊表面 3 68内直到所需的私隙I出現在曲柄臂60A、60B與塾圈 154A、154B之間為止。其後,在曲柄臂6〇B的軸柱安裝凸 面331抵接著軸柱螺栓38〇的凸緣4〇4的時候,將螺拴343及 346勒緊,设定曲柄臂6〇B的最後位置,從而設定曲軸臂a 及60B與墊圈154A及154B之間的游隙。 雖然以上是對本發明的幾個具體實施例加以說明,尚有 若干修改可不離本發明的精義及範圍加以使用。例如,各 組成件的大小、形狀、位置或定向,都可隨意加以變更。 所不為互相直接連接或接觸的組成件,可在其間設置中間 結構。一元件的功能,可改由兩元件來執行,反之亦然。 也不必要同時在一特定實施例中將所有優點均予呈現。每 一個不同於早先技藝的特色,不論是單獨或結合其它特色 ,包括由該等特色所具體化的結構及/或功能概念,均須認 乍為本申凊人之分離的說明。因此,本發明的範圍,應不 侷限於所發佈的特定結構、或表面上初次注目的特殊結構 或特色。 圖式簡單說明 圖1為一腳踏車的側視圖,該腳踏車包括一根據本發明的 曲柄總成之特別實施例; -16- 1278409 〇2) 圖2為根據本發明之曲柄總成之一特別實施例的後橫載 面視圖; 圖3為圖2令所示曲柄總成之分解視圖; 圖4為圖2中所示曲柄總成之一較明細分解視圖; 圖5為圖4中所示軸襯的替代實施例之橫截面視圖; 、圖6為根據本發明之左側曲柄臂之一特別實施例之斜透 視圖; 圖7為圖6中所示之曲柄臂之外表視圖; 圖8為一軸柱螺栓以及一 叹工具之特別μ施例之斜透視圖 ’言/工具係用於將該轴柱螺栓裝言交至轴柱。 圖9為圖8中所示軸柱螺栓之一側視圖;及 _為®8中所示工具之一側視圖 圖式代表符號說明 10 腳踏車 18 車架 22 上管 24 頭管 26 下管 30 車座管 32 車座 33 底托架 34 座支撐 38 鍵撐條 42 前又 ·· -17- 1278409
(13) 46 54 56 59 60A,B 61A, B 62 66 70 74 100 104 108, 112 116, 120 124A,B 130A,B 134A,B,A, 138A,B 142A, B 146A,B 150A,B 154A,B 158A,B 162A
前輪 後輪 後(自由輪)鍵輪 軸柱 曲柄臂 腳踏板 前(鏈環)鏈輪 鏈條 前換鏈器 後換鏈器 底托架總成 防塵管 環狀槽 0形環密封 調節器總成 調節(器構)件 軸承環 軸承單元 密封環 密封護罩 0形環 環狀墊圈 環狀墊圈護蓋 較小直徑管狀部分 -18- 1278409 (14) 166A,362, 388, 408 ΠΟΑ 174Α, 204Α,A, 178Α 182Α,194Α, 324, 368, 392 190Α 198Α 200Α5 A9 208Α 212Α 216Α 220Α 224Α 230Α 234Α 238Α 242Α 246Α 248Α 249Α 250Α 254Α 外周邊表面 内側部分 側面牆 較大直徑部分 内周邊表面 工具11齒合面 傍側邊緣 管狀部分 抵接台階 内軸承滾圈 外軸承滾圈 球珠軸承 傍側護蓋 基底部 内管狀部 外管狀部 最内側邊緣 内凸緣 凸起部 自由邊緣 最外側邊緣 外凸緣.
-19- 1278409 (15) 258A 260A 262A 300, 330 304, 331 308, 332 312, 333 316, 334 320, 335 328 328A,B, 337, 338 339, 341 340, 342 344, 347 345, 348 346 348 350, 354 358, 370, 366, 404 380 384 396
基底部分 襯套凸起部 唇緣部分 曲柄臂主體 軸柱安裝凸面 軸柱安裝孔 有栓槽内周邊表面 腳踏板安裝凸面 腳踏板安裝孔 鏈輪安裝臂 C 鏈輪安裝孔 安裝耳 無螺紋緊固件孔 有螺紋緊固件孔 有螺紋脛部 頭部 曲柄臂螺栓 軸柱主體 端頭部分 400 栓槽 凸緣 軸柱螺栓 螺栓主體 開孔
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Claims (1)
- 孕專利申請案 年圍替換本(95年12月)軸柱,具有一第一端頭部分及一第二端頭部分,其 中該第二端頭部分具一外周邊表面及一有螺紋内周邊表 面; 一軸柱螺栓,具有一有螺紋外周邊表面,可螺入該軸 柱第二端頭部分的有螺紋内周邊表面中; 一曲柄臂,具有一軸柱安裝凸面,凸面上界定一用於 將該軸柱的第二端頭部分收納於其中之開孔;其中該軸 柱安裝凸面包括一第一緊固件,俾使該曲柄臂的安裝凸 面可迫緊環箍該軸柱的第二端頭部分;及 其中該軸柱安裝凸面係配置在該軸柱螺栓軸向内側。 2·根據申請專利範圍第1項之裝置,其中該軸柱安裝凸面包 括一第一安裝耳緊鄰一第二安裝耳,其中該第一緊固件 將第一安裝耳與第二安裝耳連結在一起。 3·根據申請專利範圍第2項之裝置,其中該第一緊固件將第 一安裝耳朝向該第二安裝耳迫緊。 4. 根據申請專利範圍第3項之裝置,其中該第一安裝耳包括 -第-緊固件孔,其中該第二安裝耳包括一第二緊固件 孔,且其中該第一緊固件傳同時插韋於該第一緊固件孔 及該第二緊固件孔令。 5. 根據申請專利範圍第4項之裝置,其中該第二緊固件孔 々具有-有螺紋内周邊表面,且其中該第一緊固件包括一 第曲柄#螺检其穿過該第一緊固件孔而螺入該第二 83774-951215.doc1278409 緊固件孔中。 6·根據申請專利範圍第5項之裝置,纟中該第一曲柄臂螺检 包括一抵接該第一安裝耳的第一螺栓頭。 、 7·根據申請專利範圍第6項之裝置,其中該第一緊固件孔是 無螺紋的。 8.根據申請專利範圍第4項之裝置,其中該第二安裝耳包括 第二緊固件孔’其中該第一安裝耳包括一第四緊固件 孔,而且尚包括一第二緊固件同時插置在第三緊固件孔 及第四緊固件孔中。 9·根據申請專利範圍第8項之裝置,其中該第二緊固件孔具 有一有螺紋内周邊表面,其中第四緊固件孔具有一有螺 紋内周邊表面,其中該第一緊固件包括一第一曲柄臂螺 栓,可穿過該第一緊固件孔;而螺入該第二緊固件孔中, 且其中該第二緊固件包括一第二曲柄臂螺栓,其可穿過 該第三緊固件孔而螺入該第四緊固件孔中。 10·根據申請專利範圍第9項之裝置,其中該第一曲柄臂螺栓 包括一第一螺栓頭抵接該第一安裝耳,且其中該第二曲 柄臂螺栓包括一第二螺栓頭抵接該第二安裝耳。 11.根據申請專利範圍第丨〇項之裝置,其中該第一緊固件孔 是無螺紋的,而其中該第三緊固件孔是無螺紋的。 12· —種曲柄臂,包括: 一曲柄臂主體,具有一軸柱安裝凸面在第一端上及一 腳踏板安裝凸面在第二端上; 其中該軸柱安裝凸面界定一將一軸柱收納於其中之開 83774-951215.doc -2 - 1278409 孑L ; 其中该軸柱安裝凸面包括一第一安裝耳緊一 裝耳; 乐一安 其中該第一安裝耳包括一第一緊固件孔; 其中該第二安裝耳包括一第二緊固件孔; 其中該第一安裝耳包括一第三緊固件孔緊鄰 固件孔;及 篆 其中该第二安裝耳包括一第四緊固件孔緊鄰該第二緊 固件孔。 ’、 13·根據中請專利範圍第12項之曲柄臂,其中該第二緊固件 孔具有一有螺紋内周邊表面,且其中該第四緊固件孔具 有一有螺紋内周邊表面。 ^ 14.根據中請專利範圍第13項之曲柄臂,其中該第—緊固件 孔是無螺紋的,而其中該第三緊固件孔是無螺紋的。 15_ —種腳踏車曲柄臂裝置,包括·· 一軸柱,具有一第一端頭部分及一第二端頭部分,其 中該第一端頭部分具一外周邊表面及一有螺紋内周邊^ 面; 一軸柱螺栓,具有一有螺紋外周邊表面可螺入該軸柱 第一端頭部分的有螺紋内周邊表面中; 一曲柄#,具有一軸柱安裝凸面,凸面上界定一用以 將該軸柱的第一端頭部分收納於其中之開孔;其中該軸 柱安裝凸面包括一第一安裝耳緊鄰一第二安裝耳;及 八中該曲柄’凸面係配置在該軸柱螺栓之軸向内側。 83774-951215.doc -3- 1278409 第092104392號專利申請案 中文專利圖式替換頁(94年1月)100 -2-izmm圖4 166A0A2A0A8A4A8 190-261 162A 130A"170A- 23〇A 146A212A / \ 224A 2Λ8Α 220A\ 23^A 246A圖 -4- 1278409厶50 昜 1278409mi 10 -9 -
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TW092104392A TWI278409B (en) | 2002-03-08 | 2003-03-03 | Bicycle crank assembly and assembly tools |
TW092134961A TWI271353B (en) | 2002-03-08 | 2003-03-03 | Bicycle crank axle |
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2003
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- 2003-03-03 TW TW092104392A patent/TWI278409B/zh not_active IP Right Cessation
- 2003-03-03 TW TW092134961A patent/TWI271353B/zh not_active IP Right Cessation
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- 2003-03-06 JP JP2003059744A patent/JP3869376B2/ja not_active Expired - Fee Related
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- 2003-03-07 AT AT04005647T patent/ATE347514T1/de not_active IP Right Cessation
- 2003-03-07 EP EP06024849A patent/EP1759981A3/en not_active Ceased
- 2003-03-07 DE DE60303692T patent/DE60303692T2/de not_active Expired - Lifetime
- 2003-03-07 EP EP04024187A patent/EP1493654B1/en not_active Revoked
- 2003-03-07 CN CNA200510079589XA patent/CN1721267A/zh active Pending
- 2003-03-07 DE DE60310184T patent/DE60310184T2/de not_active Expired - Lifetime
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- 2003-03-07 EP EP14165350.1A patent/EP2918488A1/en not_active Withdrawn
- 2003-03-07 EP EP04005647A patent/EP1426282B1/en not_active Revoked
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- 2003-03-07 DE DE60300899T patent/DE60300899T2/de not_active Expired - Lifetime
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