200904661 九、發明說明： 【發明所屬之技術領域】 本發明大體而言係關於一種自行車輪緣。更具體言之， 本發明係關於一種具有減少的重量之加強型自行車輪緣， 較佳為藉由安置於輻條附接開口周圍之加強樹脂材料進_ 步加強之具有減少的重量之加強型自行車輪緣。 【先前技術】200904661 IX. Description of the Invention: TECHNICAL FIELD OF THE INVENTION The present invention generally relates to a bicycle rim. More specifically, the present invention relates to a reinforced bicycle rim having a reduced weight, preferably reinforced by a reinforced resin material disposed around the spoke attachment opening, having a reduced weight. Wheel edge. [Prior Art]
自行車輪經常被再設計為堅固的、輕型的且設計中更具 空氣動力學的以及製造及組裝簡單的。存在當前可在市場 上購得的許多不同類型之自行車輪。大多數自行車輪具有 輪較複數個輻條及—環形輪緣。輪轂附接至自行車之 框架之一部分以用於相對旋轉。該等輻條之内端耦接至輪 轂且自輪轂向外延伸。環形輪緣耦接至該等輻條之外端且 八有用於將充氣輪胎支擇於其上之外部部分。 ，已進行若干個嘗試來產玍輕尘且足夠堅固之 輪緣。^，此等兩個特徵不容易同時達成。舉例而今， Π:輪緣之環形側壁之厚度以便為輕型的，則環形側壁 邛邛刀可忐由於來自輪胎之内胎之力而彎曲。 rI外6開發了使用直轄條之若干種自行車輪。此等直 輻條非常堅固且允許用 . 钿怿中之較尚的張力。然而，當 直幸田條中之張力變得非常高時， 尤其需要-在輻條附接開九 輪緣， 鑒於 周圍具有增加的強度之輪緣。 存在對於者將自本揭示案而顯而易見： 良的加強型輪緣之需要。本發明解決此項技術 128939.doc 200904661 中之此需要以及里伸愛i 4kL -*-a 將自本福1 熟習此項技術者而言，此 將自本揭不案而變得顯而易見。 【發明内容】 =發明之—目標為提供—用於自行車輪之 相對堅固且相對輕型。 该輪緣 述目‘可基本上藉由提供—自行車輪緣來達到，該自 =輪緣大體上包含具有複數個輕條附接開。之環形内 中之:二:環形内壁之一對環形側壁，該等環形側壁 部部分及-在該外部，與：面之外部部分、-内 刀與该内部部分之間的中間加強 -該中間加強區包括—鄰近於該環形制動表面之底切呷 /刀，該外部部分具有厚如，該内部部分具有厚度❹， 中：加強區具有厚度t3’其中厚度〇小於厚度二… ^。。另外，提供一在該等環形側壁之間延伸之外部環形 自上:目標亦可基本上藉由提供-自行車輪緣來達到，，玄 :車輪緣大體上包含—具有複數個輕條附接開口之環形 内壁、連接至該環形内壁之一對環形側壁，及一 間延伸之外部環形壁’該外部環形壁包括二加二 :广及疋位於該中央部分之橫向之側面部分，‘ ^央部分與該等側面部分形成—為凹面之第—連續彎曲: 因：白上：目標可基本上藉由提供1行車輪 ’，車輪緣包括一具有複數個轄條附接開口之壤形 128939.doc 200904661 Ϊ二壁t核形侧壁之間延伸之外部環形壁，及連接至該 内壁之一對環形側壁，#中該等 包括一軔估目士 可考 分。另外，根攄:環形制動表面之外部部分及一内部部 與該内部部分之：二自行車輪緣包括-在該外部部分 近於該環形制㈣面 區，該Μ加㈣包括—鄰 /制動表面之底切部分，該外部部分具有厚戶 其中=1分？有厚度口且該中間加強區具有厚度二 中央部分及定位於該中”八…u —加厚 形壁， 中央向之侧面部分之外部環 央部分與該等側面部分形成-為凹面之第 一連續彎曲表面。 田疋第 根據較佳實施例， 述自行車輪緣中。可在適《夕者實施於上 在適s時以任何方式組合該等特徵。 在—較佳實施例中，底切 面之凹面形狀。㈤刀具有-鄰近於環形制動表 在一較佳實施例中’中間加強區之與底切部分相對之表 面具有一凸面形狀。 大佳實施例中，底切部分具有-深W中該深度 體上自-底切部分經由内部（側面）部分及内部環形壁延 伸至另一底切部分。 車乂4土實施例中，底切部分經及配 強部件。 女叹加 定圭實施例中’外部環形壁包括-加厚中央部分及 於該中央部分之橫向之側面部分，其中該中央部分與 128939.doc 200904661 該等侧面部分形成一為凹面之第一連續彎曲表面。 t一較佳實施例中，外部環形壁之厚度自該”面部分 之杈向末端區朝著中央部分連續增加。 在一較佳實施例中，中央部分與該等側面部分形成〆第 二連續彎曲表面。 在一較佳實施例中，該第二表面為凸面。 另外’提供n根據本發明之自行車輪緣及一環形 加強部件之總成’其中該環形加強部件自一底切部分經由 ( a部(側面)部分及環形内壁延伸至另—底切部分。 在一較佳實施例中，該環形加強部件包含—具有複數個 幸畐條開口之内部部分及一對側面部分，其中該内部部分之 厚度改變以便包括覆蓋環形内壁中之轄條附㈣口周園之 輻條附接區域的複數個(較)厚之輻條附接段及安置於鄰近 輻條附接段之間的複數個（較）薄之中間段。 在-較佳實施例中，自側面部分至環形制動表面之過渡 段（transition)為穩定的，詳言之為平滑的。 〇 在—較佳實施例中，環形加強部件接合至自行車輪緣。 對於熟習此項技術者而言，本發明之此等及其他目標、 _ ㈣、態樣及優點將自町結合附加圖式揭示本發明之較 佳實施例之詳細描述而變得顯而易見。 【實施方式】 現將參看諸®式說明本發明之選定實施例。_習此項技 術者自本揭示案將顯而易見：提供對本發明之實施例之以 下描述僅用於說明而非限制如藉由附加申請專利範圍及其 128939.doc 200904661 均等物界定之本發明的目的。 圖！展示根據本發明之一第一實施例之前輪的輪緣ι之放 大橫截面圖。雖然此處僅說明前輪之輪緣】，但本發明可 以相同方式應詩前輪與後輪。輪緣4大體上剛性之材 料建構，諸如此項技術中所熟知之彼等材料。舉例而言， 輪緣1可由任何合適之金屬材料建構，諸如，鋁、鎂或 欽。 輪緣i基本上包括-適於在其上安裝具有内胎之輪胎（或 無内胎輪胎）之外部環形壁5、_對環形側壁2 ,及一連接 該兩個環形側壁2之内部環形壁3,其中複數個輻條附接開 口〜形成於内部環形壁3中。外部環形壁5在環形側壁2之 間延伸。 每-環形側壁2在其(橫向)外部部分。處形成一環形制動 表面2b以喃合習知輪緣制動器’且在其(外部)自由端處形 成-環形肋狀物2c而以習知方式固持輪胎之胎緣。每一产 形側壁2之内部部分⑽別連接至内部環形壁3。環形側壁 2之外部部分2a具有厚心1，且環形側壁2之内部部分㈣ 有減小的厚度t2,厚度t2小於u以用於輪緣〗之輕型之目 的。在環形側壁2之外部部分2a與内部部分2d之間存在一 強區^，中間加強區^在其中點處具有厚度t3。在 :开:制動表面2b之下方，中間加強區以具有一較佳具有凹 對部分2f。另一方面’大體上與底切部分2f相 二=具有一凸面形狀。在圖1中所展示之較佳實施 為U _，t2為0·6 _且叫1.2醜。因此，厚 128939.doc -12- 200904661 度t3小於厚度11且大於厚度t2。 a 接ΓΓ么圖示)之内胎膨脹時’環形側壁2之外部部的 … 分2“黃向地彎曲之力F。中間加強區2咭 效地防止外部部分㈣於來自内胎之力⑽彎曲。 分啡有-深度D。深度DA體上自—底切部分^ ^由侧面）部分2d及内部環形壁3延伸至另—底切部分 ^度D提供用於接收加強部件之環形凹座。在此情況 下’底切部分2f經組態及配置以接收_加強部件。 外部環形壁5較佳具有—具有厚度τι之加厚中央部分^ 用於輕型之目的而具有減小的厚度以—對側面部分 丁2 j、於T1。在圖！中所展示之較佳實施例中，η為 mm且丁2為0.8 _。中央部分5a與側面部分％相比關於中 央輪緣軸(未圖示)具有較小半徑，且以連續方式連接側面 4刀5b夕卜部裱形壁5之厚度自側面部分％之橫向末端區 5C朝著中央部分城續增加。因此，中央部分5a與側面部 分5b之間不存在清楚邊界。中央部分化與側面部分^形成 一第一連續（逐漸地）彎曲表面6a。第一彎曲表面6a為凹 面。另外，中央部分5a與側面部分几形成一第二連續（逐 漸地）彎曲表面6b。第二表祕為凸面。第一彎曲表面^ 面向自行車輪胎（未圖示），且第二彎曲表面讣面向自行車 輪轂（未圖示）。第一及第二彎曲表面仏及讣大體上延伸至 外邛4勿2a。因為第一彎曲表面6a經組態以接收内胎所 以其最佳為連續（逐漸地）彎曲凹面表面，其上沒有尖銳的 台階。另一方面，第二表面6b可含有台階以形成加厚中央 128939.doc -13- 200904661 部分5a。 ㈣示根據本發明之一第二實施例之前輪的輪緣i，之 大&截面圖°雖然此處僅說明前輪之輪緣r，但本發明 可：相冋方式應用於前輪與後輪。輪緣r由大體上剛性之 ^枓建構’諸如此項技術中所熟知之彼等材料。舉例而 σ輪緣1可由任何合適之金屬材料建構，諸如 或鈦。 除了額外ί衣形加強部件8附接至内冑環形壁3及環形側 壁2之外部以外，輪緣Γ之大多數部分與第一實施例相同。 因此，相同參考數字用於相同部分。 如圖2中所示，轄條附接開口 7a提供於内部環形壁3處以 用於接收轄帽(未圖示)。額外加強部件8由樹脂製成，且包 ^ 一具有複數個賴條開σ 7b之内部部分42及連接至内部部 之對側面#为41。輪條開口 7b較佳與輕條附接開口 1 口地配置。加強部件8附接(較佳接合)至内部環形壁3 及環形側壁取佳地，内部部分2d)之外部，以使得加強樹 脂部件8在内部環形壁3上自環形側壁以較佳地，内部部分 2d)中之—者連續延伸至環形側壁2(較佳地，内部部分2d) 中之另；#以上覆幸§條附接開口 7a周圍的環形側壁2(較佳 也。内心P刀2d)之外部表面區域及内部環形壁3之外部表 面區域。較佳地，加強部件8自一底切部分2f經由内部（側 面)部分2d及内部環形壁3延伸至另一底切部分2f。加強邻 件8由底切部分2f(藉φ深度D形成之凹座)接收以使得自側 面部分41至環形制動表面2b之過渡段45為穩定的（較佳為 128939.doc 200904661 平滑的）。 當將加強部件8應用於輪緣1，之金屬主要部分時，内部 環形壁3在輕條附接開口 7a處之厚度增加藉由複數個(較)厚 之輻條附接段42a形成之第—量，且内部環形壁3在鄰近對 之輕條附接段仏之間的中間區域中之厚度增加藉由安置 於鄰近對之輻條附接段42a夕μ μ $ & 之間的複數個（較）薄之中間段 42b形成之第二較小量。 因此，加強部件8之内部部分42之厚度改變以便包括複 數個較厚之輻條附接段仏及複數個較薄之中間段42b。在 圖2中虛線上方之部分說明一較薄之中間段俱，而虛線 下方之部分說明—較厚之輻條附接段仏。較厚之輕條附 =2&覆蓋％形内壁3中之輻條附接開口 π周圍的輻條附 接區域。㈣之中間段仙安置於鄰近的較厚之輻條附接 段42a之間。 強4件8由複數個樹脂薄片形成，該複數個樹脂薄片 緊固至環形制動表面2b下方的環形側壁2之外部表面區域 及内部環形壁3之外部表面區域。較佳地，樹脂薄片為纖 維加強型樹脂/塑膠薄W包括具有一或多個碳纖維浸 凊層之環氧樹脂。纖維浸潰樹脂薄片經炫合在—起以形成 複數個整體單件式加強件。 因此，輪緣1，為φ金屬與非金屬材料製成之複合輪緣。 加強樹脂部件6直接接合至輪緣丨，之金屬部分。 術語之通用解釋 在瞭解本發明之範疇時，如本文中所使用的術語"包含·， 128939.doc •15- 200904661 及其何生詞意欲為指定所述特徵、元件、組件、群、整體 及/或步驟之存在但不排除其他未描述特徵、元件、組 件群、整體及/或步驟之存在的開放式術語。上述亦適 用於具有類似意義之詞語，諸如術語，，包括，，、"具有"及其 何生詞。又，術語”部分”、”段”、”部分”、"部件"或”元件，, 田以單數使用時可具有一單一部分或複數個部分之雙重意 義。雖然僅選擇選定之實施例來說明本發明，但熟習此項 技術者將自本揭示案而顯而易見：可在不脫離如附加申請 專利範圍中所界定之本發明之範疇的情況下在本文中作出 各種改變及修改。舉例而言，可視需要而改變各種組件之 J形狀位置或方位。展示為彼此直接連接或接觸之 組件可具有安置於其間的中間結構。一元件之功能可由兩 個元件來執行，且反之亦然。可在另一實施例中採納一實 施例之結構及功能。所有優點不必同時存在於一特定實施 例中。獨特於先前技術之每一特徵，包括由該⑷特徵具 體化之結構及/或功能概念，亦應單獨地或結合其他特徵 而認為係對申請人之其他發明之單獨描述。因此，提供根 據本發明之實施例之上述描述僅用於說明，而不用於限制 如藉由附力口申請專利II圍及其均等物界定之本發明的目 的。 【圖式簡單說明】 圖1為根據本發明之一第—智L A ^ , 豕+ ^ 弟實施例之前輪的輪緣之放大 橫截面圖； 圖2為根攄本發明之—篦-者& ,, 弟—只苑例之前輪的輪緣之放大 128939.doc 16 200904661 橫截面圖。 【主要元件符號說明】 1 輪緣 1' 輪緣 2 環形側壁 2a 外部部分 2b 環形制動表面 2c 環形肋狀物 2d 内部部分 2e 中間加強區 2f 底切部分 2g 表面 3 内部環形壁 5 外部環形壁 5a 中央部分 5b 側面部分 5c 橫向末端區 6 加強樹脂部件 6a 第一連續彎曲表面/第 一幫曲表面 6b 第二連續彎曲表面/第 二表面 7a 輻條附接開口 7b 輻條開口 8 額外環形加強部件/加強樹脂部件 41 側面部分 128939.doc -17- 200904661 42 内部部分 42a 輻條附接段 42b 中間段 45 過渡段 D 深度 F 力 T1 厚度 tl 厚度Bicycle wheels are often redesigned to be rugged, lightweight and more aerodynamic in design and simple to manufacture and assemble. There are many different types of bicycle wheels currently available on the market. Most bicycle wheels have a plurality of spokes and a ring rim. The hub is attached to a portion of the frame of the bicycle for relative rotation. The inner ends of the spokes are coupled to the hub and extend outwardly from the hub. The annular rim is coupled to the outer ends of the spokes and has an outer portion for the pneumatic tire to be selected thereon. Several attempts have been made to produce light and dusty rims. ^, these two features are not easy to achieve at the same time. For example, Π: the thickness of the annular side wall of the rim so that it is lightweight, the annular side wall boring tool can be bent due to the force from the inner tube of the tire. rI outside 6 developed several types of bicycle wheels using the municipality. These straight spokes are very strong and allow for the tighter tension in the shackles. However, when the tension in the straight bar becomes very high, it is especially necessary - to attach the nine rims to the spokes, in view of the increased rim around the rim. The existence of the person will be apparent from this disclosure: the need for a good reinforced rim. The present invention solves this need in the art of 128939.doc 200904661 and it is apparent to those skilled in the art that this will be apparent from the present disclosure. SUMMARY OF THE INVENTION = Invented - the goal is to provide - a relatively strong and relatively lightweight bicycle wheel. The rim description can be achieved substantially by providing a bicycle rim that generally includes a plurality of light strip attachments. One of the inner rings: two: one pair of annular inner walls facing the annular side wall, the annular side wall portions and - in the outer portion, and: the outer portion of the surface, - the intermediate reinforcement between the inner knife and the inner portion - the middle The reinforcement zone includes an undercut knives adjacent to the annular braking surface, the outer portion having a thickness such that the inner portion has a thickness ❹, wherein the reinforcement region has a thickness t3' wherein the thickness 〇 is less than the thickness ii. . In addition, an outer ring extending between the annular side walls is provided: the target can also be substantially achieved by providing a bicycle rim, the rim: the wheel rim substantially comprising - a plurality of light strip attachment openings An annular inner wall, a pair of annular side walls connected to the annular inner wall, and an extended outer annular wall. The outer annular wall includes two plus two: a wide and a lateral portion of the central portion of the central portion, the central portion Formed with the side portions - the first of the concave - continuous bending: Because: white: the target can basically be provided by a row of wheels ', the wheel rim includes a lobe with a plurality of stipulated attachment openings 128939.doc 200904661 An outer annular wall extending between the t-core side walls of the second wall and a pair of annular side walls connected to the inner wall, wherein the inclusion of an estimate can be scored. In addition, the root portion: an outer portion of the annular braking surface and an inner portion and the inner portion: the two bicycle rims include - in the outer portion adjacent to the annular (four) surface region, the ridge (four) includes - adjacent / braking surface The bottom cut portion, which has a thick household where = 1 minute? a thickness port and the intermediate reinforcement region has a central portion having a thickness of two and is positioned in the middle of the "eight...u-thickened wall, and the outer circumferential portion of the central portion is formed with the side portions - the first of the concave surfaces The curved surface is continuously curved. According to a preferred embodiment, the bicycle rim can be combined in any manner in a suitable manner. In the preferred embodiment, the undercut surface The concave shape. (5) The knife has - adjacent to the annular brake table. In a preferred embodiment, the surface of the intermediate reinforcing portion opposite to the undercut portion has a convex shape. In a preferred embodiment, the undercut portion has a deep W The depth-undercut portion of the depth body extends to the other undercut portion via the inner (side) portion and the inner annular wall. In the embodiment of the rut 4 soil, the undercut portion is subjected to a strong component. In the embodiment, the outer annular wall comprises a thickened central portion and a lateral side portion of the central portion, wherein the central portion forms a first continuous curvature of the concave surface with the lateral portion of 128939.doc 200904661 Surface. T a preferred embodiment, the thickness of the outer annular wall from the branches of a tree "continuously increased toward the surface portion of the central portion toward the end zone. In a preferred embodiment, the central portion and the side portions form a second continuous curved surface. In a preferred embodiment, the second surface is convex. Further, 'providing an assembly of a bicycle rim and an annular reinforcing member according to the present invention, wherein the annular reinforcing member extends from an undercut portion via (a portion (side) portion and an annular inner wall to the other - undercut portion. In a preferred embodiment, the annular reinforcing member includes an inner portion having a plurality of forging openings and a pair of side portions, wherein the thickness of the inner portion is changed to include covering the inner wall of the annular inner wall (4) a plurality of (thicker) spoke attachment sections of the spoke attachment area and a plurality of (less) thin intermediate sections disposed adjacent the spoke attachment sections. In the preferred embodiment, from the side portions to The transition of the annular braking surface is stable, in particular smooth. In the preferred embodiment, the annular reinforcing member is joined to the bicycle rim. For those skilled in the art, the present invention These and other objects, _ (four), aspects, and advantages will become apparent from the Detailed Description of the preferred embodiments of the invention. The following description of the embodiments of the present invention is intended to be illustrative, and not restrictive, Doc 200904661 The object of the invention defined by the equals. Figure! shows an enlarged cross-sectional view of the rim of the front wheel according to a first embodiment of the invention. Although only the rim of the front wheel is illustrated here, the invention may In the same manner, the front and rear wheels of the poem should be constructed. The rim 4 is constructed of a substantially rigid material such as those well known in the art. For example, the rim 1 can be constructed of any suitable metallic material, such as aluminum, The rim i basically comprises an outer annular wall 5, a pair of annular side walls 2, and an inner side connecting the two annular side walls 2, on which a tire having a tube inner tube (or a tubeless tire) is mounted An annular wall 3 in which a plurality of spoke attachment openings ~ are formed in the inner annular wall 3. The outer annular wall 5 extends between the annular side walls 2. The per-annular side wall 2 is formed at its (lateral) outer portion. An annular braking surface 2b holds the bead of the tire in a conventional manner by tamping the conventional rim brake 'and forming an annular rib 2c at its (outer) free end. The inner portion of each shaped sidewall 2 (10) is not connected to the inner annular wall 3. The outer portion 2a of the annular side wall 2 has a center of gravity 1, and the inner portion (4) of the annular side wall 2 has a reduced thickness t2, and the thickness t2 is smaller than u for the purpose of lightness of the rim. There is a strong zone between the outer portion 2a of the annular side wall 2 and the inner portion 2d, and the intermediate reinforcing zone has a thickness t3 at a midpoint thereof. Under: opening: below the braking surface 2b, the intermediate reinforcing zone has a comparison Preferably, the concave portion 2f is provided. On the other hand, 'substantially opposite to the undercut portion 2f=having a convex shape. The preferred embodiment shown in Fig. 1 is U _, t2 is 0·6 _ and is called 1.2 ugly. . Therefore, the thickness 128939.doc -12- 200904661 degrees t3 is smaller than the thickness 11 and larger than the thickness t2. a) When the inner tube expands, the outer portion of the annular side wall 2 is divided into two parts: "the force of bending the yellow ground to the ground F. The intermediate reinforcing portion 2 effectively prevents the outer portion (4) from being bent by the force (10) from the inner tube. The segment has a depth D. The depth DA body from the undercut portion ^ ^ from the side portion 2d and the inner annular wall 3 extends to the other - undercut portion D provides an annular recess for receiving the reinforcing member. In this case, the undercut portion 2f is configured and configured to receive the reinforced member. The outer annular wall 5 preferably has a thickened central portion having a thickness τι for light purpose and a reduced thickness to The side portion is 2, in T1. In the preferred embodiment shown in Fig.!, η is mm and ding 2 is 0.8 _. The central portion 5a is compared to the side portion % with respect to the central rim axis (not shown a thickness having a smaller radius and connecting the side 4 knives 5b in a continuous manner to the central portion 5C from the side end portion % of the lateral end portion 5C. Therefore, the central portion 5a and the side portion 5b There is no clear boundary between the central part and the central part a first continuous (gradually) curved surface 6a. The first curved surface 6a is concave. In addition, the central portion 5a and the side portions form a second continuous (gradually) curved surface 6b. The second surface is convex. A curved surface ^ faces the bicycle tire (not shown), and the second curved surface 讣 faces the bicycle hub (not shown). The first and second curved surfaces 讣 and 讣 extend substantially to the outer cymbal 4 not 2a. A curved surface 6a is configured to receive the inner tube so that it is preferably a continuous (gradually) curved concave surface with no sharp steps thereon. On the other hand, the second surface 6b may contain steps to form a thickened center 128939.doc -13- 200904661 Part 5a. (d) A large & cross-sectional view of the rim i of the front wheel according to a second embodiment of the present invention. Although only the rim r of the front wheel is illustrated here, the present invention can be: The manner is applied to the front and rear wheels. The rim r is constructed of substantially rigid materials such as those well known in the art. For example, the sigma rim 1 can be constructed of any suitable metallic material, such as titanium. apart from The outer rim-shaped reinforcing member 8 is attached to the outer portion of the inner annular wall 3 and the annular side wall 2, and most of the rim rim is the same as the first embodiment. Therefore, the same reference numerals are used for the same portion. As shown therein, the arranging attachment opening 7a is provided at the inner annular wall 3 for receiving a cap (not shown). The additional reinforcing member 8 is made of resin and has a plurality of slats σ 7b The inner portion 42 and the opposite side # connected to the inner portion are 41. The rib opening 7b is preferably disposed with the light strip attachment opening. The reinforcing member 8 is attached (preferably joined) to the inner annular wall 3 and the annular side wall. Preferably, the outer portion 2d) is externally such that the reinforcing resin member 8 extends continuously from the annular side wall, preferably the inner portion 2d), to the annular side wall 2 on the inner annular wall 3 (preferably, The other part of the inner portion 2d); the above is attached to the annular side wall 2 around the opening 7a (preferably also. The outer surface area of the inner P-knife 2d) and the outer surface area of the inner annular wall 3. Preferably, the reinforcing member 8 extends from the undercut portion 2f to the other undercut portion 2f via the inner (side) portion 2d and the inner annular wall 3. The reinforcing member 8 is received by the undercut portion 2f (the recess formed by the φ depth D) such that the transition portion 45 from the side surface portion 41 to the annular braking surface 2b is stable (preferably 128939.doc 200904661 smooth). When the reinforcing member 8 is applied to the metal main portion of the rim 1, the thickness of the inner annular wall 3 at the light bar attachment opening 7a is increased by the plurality of (thicker) spoke attachment segments 42a. And the thickness of the inner annular wall 3 in the intermediate region between adjacent pairs of light strip attachment segments 藉 is increased by a plurality of (s) between adjacent pairs of spoke attachment segments 42a ( The second intermediate portion 42b is formed by a second, smaller amount. Accordingly, the thickness of the inner portion 42 of the reinforcing member 8 is varied to include a plurality of thicker spoke attachment segments 复 and a plurality of thinner intermediate segments 42b. The portion above the dashed line in Figure 2 illustrates a thinner intermediate section, while the portion below the dashed line illustrates the thicker spoke attachment section 仏. The thicker light strip attached =2& covers the spoke attachment area around the spoke attachment opening π in the %-shaped inner wall 3. The middle segment of (4) is placed between adjacent thicker spoke attachment segments 42a. The strong 4 piece 8 is formed of a plurality of resin sheets which are fastened to the outer surface area of the annular side wall 2 below the annular braking surface 2b and the outer surface area of the inner annular wall 3. Preferably, the resin sheet is a fiber reinforced resin/plastic sheet W comprising an epoxy resin having one or more carbon fiber immersion layers. The fiber impregnated resin sheet is dazzled to form a plurality of integral one-piece reinforcement members. Therefore, the rim 1 is a composite rim made of φ metal and a non-metallic material. The reinforcing resin member 6 is directly joined to the metal portion of the rim rim. General Interpretation of Terms When referring to the scope of the present invention, the term "includes," 128939.doc • 15-200904661 as used herein is intended to designate the features, components, components, groups, and / or the existence of steps but does not exclude other open terms that do not describe the existence of features, elements, groups of components, integers and/or steps. The above also applies to words having similar meanings, such as terms, including, "with " and what they are. Also, the terms "section", "section", "section", "component" or "component", when used in the singular, may have the dual meaning of a single part or a plurality of parts, although only selected embodiments are selected. The present invention will be apparent to those skilled in the art, and it will be apparent from this disclosure that various changes and modifications can be made herein without departing from the scope of the invention as defined by the appended claims. The J-shaped position or orientation of the various components can be changed as needed. The components shown directly connected or contacting each other can have an intermediate structure disposed therebetween. The function of one component can be performed by two components, and vice versa. The structure and function of an embodiment are employed in another embodiment. All advantages need not be present in a particular embodiment at the same time. Unique to each feature of the prior art, including structural and/or functional concepts embodied by the feature of (4) It is also considered to be a separate description of the applicant's other invention, either alone or in combination with other features. Accordingly, it is provided in accordance with the present invention. The above description of the embodiments is for illustrative purposes only and is not intended to limit the scope of the invention as defined by the appended claims and the equivalents thereof. FIG. 1 is a - 智LA ^ , 豕 + ^ The enlarged cross-sectional view of the rim of the wheel before the embodiment; Figure 2 is the enlargement of the rim of the previous wheel of the present invention - 篦-者& 128939.doc 16 200904661 Cross-sectional view. [Main component symbol description] 1 rim 1' rim 2 annular side wall 2a outer portion 2b annular braking surface 2c annular rib 2d inner portion 2e intermediate reinforcing portion 2f undercut portion 2g surface 3 inner annular wall 5 outer annular wall 5a central portion 5b side portion 5c lateral end region 6 reinforcing resin member 6a first continuous curved surface / first clucking surface 6b second continuous curved surface / second surface 7a spoke attachment opening 7b Spoke opening 8 additional annular reinforcing member / reinforcing resin member 41 side portion 128939.doc -17- 200904661 42 inner portion 42a spoke attachment portion 42b intermediate portion 4 5 transition section D depth F force T1 thickness tl thickness
T2 厚度 t2 厚度 t3 厚度 ί 128939.doc •18T2 thickness t2 thickness t3 thickness ί 128939.doc •18