M297860 八 、新型說明： 【新型所屬的技術領域】 特別是指一種用以 本新型疋有關於一種自行車組件 與自行車輪組裝的碟剎花轂。 【先前技術】 、2所示，創作人所創作並核准之發明第 1237602號「碟剎花轂」具有一本體^_ 固結部1 3及一端蓋14。 忒本體11具有呈反向的一第一端部1U與一第二端部 112，及設置於該第一端部ln的數凹槽113。 該連結件12是呈可拆卸地套置於該第_端部⑴，具 有用以***該等凹槽113的多數插塊121。 該固結部13具有多數設置於該連結件12的― 的卡齒13 1 〇 該端蓋14具有一環緣⑷，及—自該環緣i4i延伸用 以螺鎖入該本體11的第一端部lu内的螺合段142。 組裝時，是將-碟片15套設於該固結部13，藉由該碟 片15的一齒孔151與該固結部13的卡齒131相互卡合，再 將該端蓋14鎖人該第—端部m内，借由該環緣⑷_ 於該碟片15的外側，就可以使該碟片15獲得定位。 上述碟剎花轂因為可藉由該連結件12與該固結部U 的設計，達到能與不同碟片15組結的使用功效，因σ此深獲 業界好評，但是創作人認為可再針對該連結件12的穩固性 進行改良，以提昇該碟剎花轂的使用品質。 M297860 【新型内容】 ^ 、卜凡/六一喱口r以j '、、口件的穩固效果，及可接旦 及了挺升使用品質的碟剎花轂。 於是，本新型碟剎花轂是 一丄 一 疋用以供一碟片組裝定位，及 糟由一端盍限位該碟片，該 μ 市]化單又包含一軸桿、一殼體 弟-一珠碗单元、一第-蛛# 口口 ^ 乐一珠她早凡及一碟片連結件。 該軸桿是沿一軸線延伸，# 口 1甲包括壬反向的一第一螺紋段 與一第二螺紋段。 該殼體包括呈反向的一第一端面與一第二端面 通遠弟一端面與該第二端面並圍繞該轴線的一内孔面 外殼面，—自該第一端面朝向該第二端面設置並連通該内 孔面的第一容置槽，一自該第二端面朝向該第一端面設置 亚圍繞該轴線的螺孔’―自該螺孔沿該轴線縮徑成型並連 _孔面的第二容置槽，及一設置於該外殼面並鄰近該 第二端面的第一齒環。 该第-珠碗單元包括一置入該第一容置槽内的珠碗， 置入該珠碗内的數滚珠，及一螺鎖於該第一螺紋段並設置 有一軌跡面供該等滾珠貼靠的套筒螺帽。 該第二珠碗單元包括一珠碗鎖件組合體，置入該珠碗 鎖件、、且口體的一珠碗内的數滾珠，及一螺鎖於該第二螺紋 段並設置有一軌跡面供該等滾珠貼靠的套筒螺帽，該珠碗 鎖件組合體具有置入該第二容置槽内的該珠碗，及一鎖環 件省鎖壌件具有一擋環，及一自該擋環沿該軸線縮徑延 伸用以鎖入該殼體的螺孔的一螺管。 M297860 該碟片連結件包括圍繞該軸線的一内環面 ，分別連結該内環面與該外環面的—第—二 外環面 面’-自該第-端面朝向該第二端面設置：：：二第二端 環相互卡置結合的第二齒環，一設置於該内产面…齒 鎖！件的撞，置的凸環，-設置於該内環二 —知面供心而盍螺鎖的螺孔，及一設置於該 ▲弟 片套結的碟片齒環。 衣面供該碟 碑Γ:該鎖環件的螺管鎖八該殼體的螺孔至該擋 *抵刚片連結件的凸環’則因為該 該第二齒環盥該篦一I严^ μ 汁」猎由 :二亥弟㈣目互卡置結合，及該揚環抵置該 凸衣的雙重定位設計，獲得極佳的定位穩固效果，進而可 提昇本新型的使用品質。 【實施方式】 有關本新型前述及其他技術内容、特點與功效，在以 下配口參考圖式的二較佳實施例的詳細說明中，將 < 清楚 的呈現。 在本發明被詳細說明之前，要注意的是，以下的說明 内Ί類似的元件是以相同的編號來表示。 上2 3 4所示，本新型碟剎花轂是用以組結/碟片 第孝乂仏貫施例包含一轴桿20、一殼體30、/第一 朱巳單π 40、一第二珠碗單元50及一碟片連結件6〇。 及^由桿20是沿-軸線I延伸，包括一平滑中心段21， 及°又置於該中心段21白勺二反向側的第一螺紋段22與一第 二螺紋段23。 M297860 ”’該殼體/〇包括呈反向的-第-端自31與一第二端面 天 亥第—端面31與該第二端面32並圍繞該轴線j "疋f孔33的一内孔© 34、一外殼面35，_自該 一端面3 1朝而兮楚—山 〜弟一鈿面32設置並連通該内孔面34 一容置槽36，一白兮辕一山y 丄 乐 口〆弟一 if而面3 2朝向該第一端面3 } $ 並圍繞該軸線I的虫罗別1 , 口又 、、， 的&'孔D，一自该螺孔37沿該軸線丨縮徑 =型亚連通該内孔面34的第二容置槽38，及—設置於該外 忒面35並鄰近該第二端面32的第一齒環39。 〜該第一珠碗單元40包括一置入該第-容置槽36内的 珠她41 ’置入該珠碗41内的數滾珠42，一螺鎖於該第— 螺紋奴22亚設置有一軌跡面431供該等滾珠“貼靠的套 筒螺帽43,及一螺鎖於該第一螺紋段22並緊靠該套 43的鎖緊螺帽44。 該第二珠碗單元50包括一珠碗鎖件組合體Μ，置入嗜 珠碗鎖件組合體51的一珠碗52内的數滾珠Μ ,—螺鎖= =第二螺紋段23並設置有—軌跡面551供該等滾珠^貼 靠的套筒螺帽55，及一螺鎖於該第二螺紋段23並緊靠唁套 筒螺帽55的鎖緊螺帽56。 該珠碗鎖件組合體51具有置入該第二容置槽38内、 該珠碗52，及一鎖環件53。 該鎖環件53具有一擋環531，一自該柃戸 发531沿該軸 線I縮徑延伸的一螺管532，及設置於該擋頊 ，土 田长亚运離該 螺管532的二插槽533。 並界定出一套孔61M297860 VIII. New description: [New technical field] It is especially used in this new type, which relates to a disc brake hub assembled with a bicycle component and a bicycle wheel. [Prior Art], 2, the "disc brake hub" of the invention No. 1237602, which was created and approved by the creator, has a body ^_consolidation portion 13 and an end cover 14. The cymbal body 11 has a first end portion 1U and a second end portion 112 in opposite directions, and a plurality of grooves 113 disposed at the first end portion ln. The link member 12 is detachably sleeved on the first end portion (1) and has a plurality of insert blocks 121 for inserting the grooves 113. The consolidating portion 13 has a plurality of teeth 13 1 disposed on the connecting member 12. The end cap 14 has a ring edge (4), and a first end extending from the ring edge i4i for screwing into the body 11 The screwing section 142 in the part lu. In the assembly, the disc 15 is sleeved on the consolidating portion 13 , and a perforation 151 of the disc 15 and the latch 131 of the consolidating portion 13 are engaged with each other, and the end cap 14 is locked. In the first end portion m, the disc 15 can be positioned by the outer edge of the disc 15 by the rim (4). The above-mentioned disc brake hub can achieve the function of being able to be combined with different discs 15 by the design of the joint member 12 and the consolidating portion U, which is highly praised by the industry, but the author believes that it can be further targeted. The stability of the connecting member 12 is improved to improve the quality of use of the disc brake hub. M297860 [New content] ^, Bufan / Liuyi gel mouth r with j ',, the stable effect of the mouth piece, and the disc brake hub that can be used for the quality and the use of the quality. Therefore, the disc brake hub of the present invention is used for assembling and positioning a disc, and the disc is restricted by one end, and the disc includes a shaft, a shell-one bead. Bowl unit, a first - spider # 口口 ^ Le Yizhu her early and a disc piece. The shaft extends along an axis, and the first port includes a first thread segment and a second thread segment. The housing includes a first end surface opposite to a second end surface and a second end surface and an inner surface of the second end surface surrounding the axis, from the first end surface toward the second end surface The end surface is disposed and communicates with the first accommodating groove of the inner hole surface, and a screw hole arrounds the axis from the second end surface toward the first end surface ― the diameter of the screw hole is formed along the axis and is connected a second receiving groove of the hole surface, and a first tooth ring disposed on the outer surface of the outer casing and adjacent to the second end surface. The bead bowl unit includes a bead bowl placed in the first receiving groove, a plurality of balls placed in the bead bowl, and a screw threaded on the first thread segment and provided with a track surface for the balls Abutment sleeve nut. The second bead bowl unit comprises a bead bowl lock assembly, a plurality of balls placed in the bead bowl lock member and a bead bowl of the mouth body, and a screw threaded on the second thread segment and provided with a track a sleeve nut for the balls to be abutted, the bead bowl lock assembly having the bead bowl disposed in the second receiving groove, and a lock ring member having a retaining ring for the lock member, and A solenoid extending from the retaining ring along the axis for locking into a threaded bore of the housing. M297860 The disc attachment member includes an inner annular surface surrounding the axis, and the inner second annular surface and the outer annular surface respectively - a second outer annular surface - from the first end surface toward the second end surface: :: The second second ring of the second end ring is coupled to each other, and the second toothed ring is disposed on the inner surface... the tooth lock! The collision of the piece, the protruding ring, the screw hole provided in the inner ring 2, the surface of the inner ring and the screw, and a disc ring disposed on the ▲ chip. The clothing surface is provided for the disc: the screw lock of the lock ring member has a screw hole of the housing to the convex ring of the retaining piece* of the rigid piece connecting piece, because the second toothed ring is sturdy ^ μ Juice" Hunting: Two Haidi (four) mesh mutual card combination, and the double positioning design of the convex ring against the convex, to obtain an excellent positioning and stability effect, thereby improving the use quality of the new model. [Embodiment] The foregoing and other technical contents, features and effects of the present invention will be clearly described in the following detailed description of the preferred embodiment of the following reference. Before the present invention is described in detail, it is to be noted that the following description of similar elements are denoted by the same reference numerals. As shown in the above 2 3 4, the new disc brake hub is used for assembly/disc. The first embodiment includes a shaft 20, a casing 30, a first Zhu Xi single π 40, and a second. The bead bowl unit 50 and a disc piece joint 6〇. And the rod 20 extends along the -axis I, including a smooth central section 21, and a first threaded section 22 and a second threaded section 23 which are placed on the opposite sides of the central section 21, respectively. M297860"" the housing/〇 includes a reverse-first end from 31 and a second end face of the Tianhai-end face 31 and the second end face 32 and surrounds the axis j "疋f hole 33 The inner hole © 34, a casing surface 35, _ from the one end face 3 1 toward the — — 山 山 弟 弟 弟 弟 弟 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32丄 〆 〆 一 if if if if 3 3 3 3 3 3 3 } } } } } } } } } } } } } } } } } } } } } } 围绕 围绕 围绕 围绕 围绕 围绕 围绕 围绕 围绕 围绕 围绕 围绕 围绕 围绕The axis retracting diameter=the second accommodating groove 38 of the inner hole surface 34, and the first tooth ring 39 disposed on the outer boring surface 35 and adjacent to the second end surface 32. The first bead bowl The unit 40 includes a plurality of balls 42 that are placed in the first receiving groove 36 and placed in the bead bowl 41. A screw is attached to the first thread slave 22 to provide a track surface 431 for the same. The ball "abuts the sleeve nut 43 and a locking nut 44 that is screwed onto the first threaded section 22 and abuts against the sleeve 43. The second bead unit 50 includes a bead bowl lock assembly Μ, and a plurality of balls 置 placed in a bead bowl 52 of the bead bowl lock assembly 51, the screw lock == the second thread segment 23 and is set There is a trajectory surface 551 for the sleeve nut 55 to be abutted by the balls, and a locking nut 56 screwed to the second threaded section 23 and abutting against the sleeve nut 55. The bead bowl lock assembly 51 has a second bowl accommodating groove 38, a bead bowl 52, and a lock ring member 53. The lock ring member 53 has a retaining ring 531, a screw 532 extending from the burst 531 along the axis I, and a second slot extending from the rib 532. 533. And define a set of holes 61
該碟片連結件60包括圍繞該軸線I M297860 的一内環面6? , 2、一外環面03，分別遠& 外環面64 —箓 山 連、、、口 5亥内環面62盥嗜The disc attachment member 60 includes an inner annular surface 6?, 2, an outer annular surface 03, respectively, about the axis I M297860, respectively, and the outer annular surface 64 - the outer ring surface of the mountain, the mouth, the inner ring surface 62 Awkward
^ ^ , 端面64與一第二端面65, —A 面64朝向該第— 一自該第一端 吊一知面65設置用以金竽笤 置結合的第二齒严 ~垓弟—齒環39相互卡 衣66，一設置於該内環 一設置於該内62的凸環67， 面62並連通該第二 一設置於該外^ π ^ 65的螺孔68，及 。 卜…並鄰近該第二端面65的碟片齒環69 # 連結件6G的第二齒環66套抓於兮 的弟一齒環39並相互卡合，再將該鎖環件5 = 鎖入該殼體3。的螺孔37,是可使用=3的螺管-該鎖環件Μ的插槽533 手工具（圓未示）*** 該鎖環件53螺鎖到^ = _該鎖環件53，直到將 只J 口茨為％ 5 3 1抵晉續石進y、击4丄，， 環67,該碟片連Μ Μ -置4茱片連結件60的凸 連、、、口件60就可藉由該篦— 齒環39相互卡署紝入 田/弟一回裱06與該第一 卡置w a，及該擋環531抵置 重定位設計，鞾俨低置《凸％ 07的雙 &侍極佳的定位穩固效果。 關於該碟片7〇的 口 套設於哕碟而將该碟片70的一齒孔71 备口又y、3碟片連結件.6〇 八， 1片回銥69，使二者相互卡置結 口 再將一端盍80的蟫;g； S1 .. ? 累g 81螺鎖入該碟片連結件60的螺 孔68 ’直到該端蓋8〇 士 士、分价 ]心5衣82貼觸該碟片70，就可以 元成5亥碟片7 0的安裳作業。 如圖5、6所示，太軿荆泄μ # 士 相外斤 本新孓碟剎化轂一第二較佳實施例 與忒弟一較佳實施例相同， 斤 , J 包各一軸桿20、一殼體30、一 弟一珠碗單元40、一第一选…口 綠她早兀50及一碟片連結件60 。兩個實施例的不同處，在 在於遠弟二較佳實施例的殼體30 M297860 省略該第二容置槽38， 元调珠碗鎖結組合體57呈—二:知例的弟二珠碗單 組合體57具有一擋環Μ，—自該擋環$ 4軸、.泉徑延伸的螺管572， 縮徑延伸的插管573，—自該斤:7;，572帽由線1 _線…的珠碗槽5;4 = 槽575。 及权置於該擋環57丨的二插 組裝時，是先將該碟片連結件 於該殼體30的第—、， ）弟一固％ 66套设 〇弟回裱39亚相互卡合，狹後將哕玫矿如 合體57藉由該螺管 …、後將以珠她組 以蚀田一主 吕72鎖入该殼體30的㈣37,同樣可 手工具（圖未示）***該鎖環 方便轉動該鎖環件57，直到將=7的插槽575中以 57"㈣碟片連…件57螺鎖到該擔環 可#得定位，η 士 纟凸¥ 67 ’該碟片連結件60就 又、疋位，同日寸該插管573怜士:f ；}干λ # ，之德，彳# [口好***該殼體30的穿孔33 、序將该等滚珠54置入該 螺帽55螺鎖於哕笛—碑从爪 曰：> /4肘α亥套同 、"弟一螺紋& 23，及將該鎖緊 於該第二螺紋段23 〜 目56螺鎖 作業。 、’緊罪该套间螺帽55，就可以完成組裝 至於該碟片70的組裝，鱼$ 不再贅述。 /〃亥弟—較佳實施例相同，茲 故二Γ’本新型碟刹花穀可獲致下述功效及優點， 故確貫能達到本新型的目的： 該第二^新型該碟片連結# 6〇可藉由該第二齒環66與 ^ 39相互卡置結合，及該擋環531、571抵置該 10 M297860 =二：雙:定位設計’獲得極佳的定位穩固效果，使本 ”斤土 /、有可Μ提昇使用品質的功效及優點。 处惟以上料者，僅為本新型的二較佳實施例而已，當 二本新型f施的範圍，即大凡依本新型申請專 兄明内合所作的簡單的等效變化與修餘，皆 仍屬本新型專利涵蓋的範圍内。 【圖式簡單說明】 立體^ ·疋^月第1237602號「碟剎花觀」專利案的〆分解 立體=是發明第1237602號「碟剎花數」專利案的一組合 圖 體圖 疋本新型碟剎花轂一第一較佳實施例的一分解立 ^4f該第—較佳實施例的—組合剖視圖； 體圖θ及疋本新型碟剎花轂一第二較佳實施例的一分解立 圖6是言女笛一 土 σΛ弟二較佳實施例的一組合剖視圖。 M297860^ ^ , the end face 64 and a second end face 65, the A face 64 faces the first one from the first end of the hanging face 65 is provided with a second toothed joint for the metal 垓 垓 垓 垓 齿 齿 齿39, a mutual clamping device 66, a convex ring 67 disposed on the inner ring, and a surface 62 connected to the second screw hole 68 disposed on the outer surface π^65. And the second ring gear 66 of the connecting member 6G is caught by the second tooth ring 66 of the connecting piece 6G and is engaged with each other, and then the locking ring member 5 is locked. The housing 3. The screw hole 37 is a screw that can use = 3 - the slot 533 of the ring member 手 a hand tool (circle not shown) is inserted into the ring member 53 to be screwed to the ^= _ the ring member 53 until Only the J port is % 5 3 1 to Jin Jinshi y, 丄 4丄,, ring 67, the disc is connected to the Μ Μ - the 4 茱 piece joint 60 of the convex connection, the mouth piece 60 can be borrowed From the 篦-toothed ring 39, the card is inserted into the field and the younger brother is back to the 裱06 and the first card is placed wa, and the retaining ring 531 is placed against the repositioning design, and the lowering of the convex + 07 double & Excellent positioning and stability. The mouthpiece of the disc 7 is disposed on the disc, and a perforation 71 of the disc 70 is prepared for the y and 3 disc joints. 6〇8, 1 piece back 69, so that the two cards are mutually The splicing port then smashes the end of the 盍80; g; S1 .. ? gg 81 screw into the screw hole 68' of the disc link 60 until the end cap 8 〇士,分价]心五衣82 By touching the disc 70, it is possible to carry out an Anshang operation of the 5th disc. As shown in FIGS. 5 and 6, the second preferred embodiment of the present invention is the same as the preferred embodiment of the younger brother, the J-pack, each of the shafts 20 A casing 30, a young one bowl unit 40, a first choice, a green one, and a disc joint 60. The difference between the two embodiments is that the second accommodating groove 38 is omitted in the housing 30 M297860 of the preferred embodiment of the second embodiment, and the meta-bead bowl locking combination 57 is formed as a two-part: The bowl single assembly 57 has a retaining ring Μ, a coil 572 extending from the retaining ring $4 axis, the spring path, and a reduced diameter cannula 573, from the jin: 7; 572 cap by line 1 _ line... bead bowl slot 5; 4 = slot 575. And when the two plugs are placed in the two-plug assembly of the retaining ring 57, the first piece of the disc is attached to the housing 30, and the other one is set. After the narrow 哕 矿 矿 矿 矿 矿 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 The lock ring is convenient to rotate the lock ring member 57 until the slot 575 of =7 is screwed to the 57"(4) disc piece member 57 to the support ring. #η士士纟凸¥67' the disc The joint member 60 is again, the position is the same, the same day the intubation 573 pity: f;} dry λ # , 德德, 彳 # [mouth inserted into the perforation 33 of the casing 30, the order of the balls 54 placed The nut 55 is screwed to the whistle - the monument from the claw 曰: > /4 elbow α 套 sets the same, " brother a thread & 23, and the locking to the second thread segment 23 ~ 目 56 snail Lock the job. , "Complete the assembly of the nut 55, the assembly can be completed. As for the assembly of the disc 70, the fish $ will not be described again. /〃海弟- The preferred embodiment is the same, so the second Γ 'This new disc brake flower valley can achieve the following effects and advantages, so it can achieve the purpose of this new type: The second ^ new the disc link # 6〇 can be coupled to each other by the second ring gear 66 and ^39, and the retaining ring 531, 571 abuts the 10 M297860 = two: double: positioning design 'to obtain excellent positioning stability effect, make this"斤土 /, have the effect and advantages of improving the quality of use. The only above, only the second preferred embodiment of the new model, when the scope of the two new types of application, that is, the application of the new application The simple equivalent changes and repairs made by Ming Neihe are still within the scope of this new patent. [Simplified illustration] Three-dimensional ^ · 疋 ^ month No. 12376002 "Disc brake flower view" patent case Decomposition stereo = a combination of the invention of the "disc brake number" patent No. 1237602. The first preferred embodiment of the present invention is an exploded embodiment of the first preferred embodiment. - a combined sectional view; a body map θ and a new preferred embodiment of the second disc brake hub Solutions of FIG. 6 is a vertical sectional view of a composition made by a female flute soil σΛ brother two preferred embodiments. M297860
【主要元件符號說明】 2 0 .…軸桿 53.. 2 1…：Φ心段 5 31. 532. 533. 54.. . 551 . 56.. . 57.. . 571 . 572. 573. 574. 575. 60… 61"· 62.. . 63.. . 64.·· 65… 66.. . 體 67··. 68... 22. …第一螺紋段 23. …第二螺紋段 30.。..殼體 31 .…第一端面 3 2 ....第二端面 33.. ..穿孔 34 —内孔面 35····夕卜殼面 36.. ..第一容置槽 37. …螺孔. 38. …第二容置槽 39.. ..第一齒環 40.. ..第一珠碗單元 41.. ..珠碗 4 2....滾珠 43.. ..套筒螺帽 43 1 ...執跡面 44。…鎖緊螺帽 50.. ..第二珠碗單元 5 1 ....珠碗鎖件組合 5 2.…珠碗 .肩環件 ..擋環 ..螺管 ..插槽 .滾珠 .套筒螺帽 ..執跡面 .鎖緊螺帽 .珠碗鎖件組合體 ..擋環 ..螺管 ..插管 ..珠碗槽 ..插槽 .碟片連結件 .套孔 .内環面 .外環面 .第一端面 .弟—.端面 .第二齒環 •凸環 .螺孔 12 M297860 69.. ..碟片齒環 70.. ..碟片 7 1 a…齒孔 8 0 ....端盖 81 ....螺管 82.. ..擋環 ί......軸線[Description of main component symbols] 2 0 .... Axle 53.. 2 1...: Φ heart segment 5 31. 532. 533. 54.. . 551 . 56.. . 57.. . 571 . 572. 573. 574 575. 60... 61"· 62.. . 63.. . 64.·· 65... 66.. . Body 67··. 68... 22. ...first thread segment 23....second thread segment 30 . . . .. housing 31 .... first end face 3 2 .... second end face 33... perforation 34 - inner bore surface 35 · · · · 夕 壳 shell surface 36.. .. first accommodating groove 37 . . . screw hole. 38. ... second accommodating groove 39... first tooth ring 40... first bead bowl unit 41.. .. bead bowl 4 2.... ball 43.. Sleeve nut 43 1 ... trace surface 44. ...lock nut 50.. .. second bead bowl unit 5 1 .... bead bowl lock combination 5 2.... bead bowl. shoulder ring piece.. retaining ring.. screw tube.. slot. ball .Sleeve nut.. Tracking surface. Locking nut. Bead bowl lock combination.. Retaining ring.. Solenoid.. Cannula.. Bead bowl slot.. Slot. Disc joint. Set Hole, inner ring surface, outer ring surface, first end face, younger brother, end face, second toothed ring, convex ring, screw hole 12 M297860 69.. .. disc tooth ring 70.. .. disc 7 1 a ...tooth hole 8 0 .... end cap 81 .... screw 82.. .. retaining ring ί... axis