M344332 八、新型說明： 【新型所屬之技術領域】 本新型是有關於一種機械式捲軸，特別是指一種構造 簡單、製造成本低的機械式捲軸。 【先前技術】 一般捲取式分條裝置或是供料裝置中，通常會藉由_ 捲軸的設計以捲取材料（如線材或不織布等）或者是下料。 如 圖1及圖2所示，台灣專利第156019號（申請號為 087221442)專利案所揭露的氣壓式滑動捲取軸構造i，包人 一動力傳動軸11及一套設於動力傳動軸U上的滑動塊u ’動力傳動轴1 1轴體中央設有一入氣流道1 1 1，藉由一外 部氣源（圖未示）經由動力傳動軸u 一端輸入氣體至入氣节 道111 Θ，接著經由入氣孔H2以對套設在動力傳動轴^ 上之滑動塊12的氣脹囊體121進行充氣，使氣脹囊體⑵ 膨脹，氣脹囊體121膨脹後會施壓於彈性剛片13及滾珠η 上，使得滑動塊12與套設在滑動塊12上的料管2以及動4 力傳動軸11之間得以緊密地互相接合。 【新型内容】 種構造簡單、製造成本 固的接合強度之機械式 本新型之一目的，在於提供一 低且不需藉由氣體壓力即可達到穩 捲軸。 本新型之另— 拆卸之機械式捲軸 的同心度。 目的，在於提供一種易於供料管套設及 ’且料官與機械式捲軸之間能具有良好 M344332 本新型的目的及解決其技術問題是採用以下技術手段 f實現的’依據本新型所揭露的機械式捲軸，用以供_料 &套°又冑械式捲軸包括-軸管，及複數個第一彈性元件 〇 車 Λ {、料官套設，軸管包含-管體，及複數個相 對稱地壞設於管體外表面的導引機構，管體包括一第一端 ❿ 二相，於第—端的第二端，及複數個形成於外表面且鄰 一端各導引機構包括複數個轉動件，所述轉 ，件用=與=官内表面抵接並導引料管沿管體的軸向滑移 所述第彈性π件分別設置於所述凹槽且凸伸出管體外 表面，用以頂抵於料管内表面。 :新:的目的及解決其技術問題還可以採用以下技術 亍#又進一步實現。 則述的機械式捲軸’各第一彈性元件與管體外表面之 二目間隔的距離大於各轉動件與管體外表面之間相間隔的 前述的機械式捲轴，所述轉動件分別與管體外表面之 間相間隔的距離相同。 2述的機械式_，各_呈環形，各第—彈性 為一套設於各凹槽内呈環形的拉伸彈簧。 =述的機械式捲轴，還包括複數個第二彈性元件，各 4性元件為-設置於各凹槽與各第—彈性元件 呈裱形的橡膠環。 前述的機械式捲輪，管體還包括複數個對稱地環設於 M344332 外表面的容置槽，夂交 > 9呈長形且其長向與各管體的細 向相同，各導引機構還包括 的軸 报缸杜^, 秸一用以女裝於各容置槽内的長 件之間。 ug體外表面且樞接於二長形板 本新型的機械式捲轴，藉由&彳盖4 一 猎由、-構間早之導引機構及第 舞性70件的設計，不需搭配氣μ力，即可使料 管能輕易地組裝並定位於軸管上或由軸管上取出，在製造M344332 VIII. New description: [New technical field] The present invention relates to a mechanical reel, in particular to a mechanical reel which is simple in construction and low in manufacturing cost. [Prior Art] In a general take-up slitting device or a feeding device, it is usually designed to take up materials (such as wire or non-woven fabric) or to cut off by the design of the _ reel. As shown in FIG. 1 and FIG. 2, the pneumatic sliding take-up shaft structure i disclosed in the patent application No. 156019 (Application No. 087221442), the package of a power transmission shaft 11 and one set on the power transmission shaft U The upper sliding block u 'power transmission shaft 1 1 is provided with an inlet air passage 11 1 at the center of the shaft body, and an external air source (not shown) inputs gas to the intake passage 111 through one end of the power transmission shaft u. Then, the inflation balloon 121 of the sliding block 12 sleeved on the power transmission shaft is inflated via the air inlet hole H2 to expand the inflation balloon (2), and the inflation balloon 121 is inflated and then pressed to the elastic rigid piece. 13 and the ball η, the sliding block 12 is tightly engaged with the material tube 2 and the movable force transmission shaft 11 which are sleeved on the sliding block 12. [New content] Mechanical type with simple construction and manufacturing cost-effective joint strength One of the objects of the present invention is to provide a stable scroll that can be achieved without gas pressure. The other is the concentricity of the mechanical reel that is disassembled. The object of the present invention is to provide an easy-to-feed tube sleeve and a good M344332 between the material officer and the mechanical reel. The technical problem is solved by the following technical means f. Mechanical reel for _ material & set and mechanical reel including - shaft tube, and a plurality of first elastic elements 〇 、 {, material officer sleeve, shaft tube containing - tube body, and a plurality of Relatively speaking, the guiding mechanism is disposed on the outer surface of the tube. The tube body comprises a first end, two phases, a second end at the first end, and a plurality of guiding mechanisms formed on the outer surface and adjacent to each other, including a plurality of guiding mechanisms. a rotating member, the rotating member is abutted with the inner surface of the inner surface of the tube and the guiding material tube is slid along the axial direction of the tube body, and the first elastic π members are respectively disposed on the groove and protruded from the outer surface of the tube Used to abut against the inner surface of the tube. : The purpose of the new: and solving its technical problems can also be further realized by the following technology. The mechanical reel of the above-mentioned first elastic member is spaced apart from the outer surface of the tube by a distance greater than the aforementioned mechanical reel which is spaced apart from the outer surface of the tube, and the rotating member is respectively outside the tube. The distance between the surfaces is the same. The mechanical type described in 2, each _ is annular, and each of the first-elastic is a set of tension springs arranged in a ring shape in each groove. The mechanical reel described further includes a plurality of second elastic members, each of which is a rubber ring disposed in a shape in which each of the grooves and each of the first elastic members are in a meander shape. In the above mechanical reel, the pipe body further includes a plurality of accommodating grooves symmetrically arranged on the outer surface of the M344332, and the 夂 intersect > 9 is elongated and the longitudinal direction is the same as the fine direction of each pipe body, and each guide The mechanism also includes a shaft cylinder, which is used between the long pieces of the women's housings. Ug external surface and pivoted to the two long-shaped plate of the new mechanical reel, with & cover 4 a hunting, - inter-structure early guidance mechanism and the first dance 70 pieces, no need to match With a gas force, the tube can be easily assembled and positioned on the shaft tube or removed from the shaft tube.
上，能降低整體的製造成本，而在使用時，不需特別進行 保養的作業且故障率低，同時能確保料管與軸管的管體之 間能具有良好的同心度。 【實施方式】 有關本新型之前述及其他技術内容、特點與功效，在 以下配合參考圖式之一個較佳實施例的詳細說明中，將可 清楚的呈現。透過具體實施方式的說明，當可對本新型為 達成預定目的所採取的技術手段及功效得一更加深入且具 體的了解，然而所附圖式只是提供參考與說明之用，並非 用來對本新型加以限制。 在本新型被詳細描述之前，要注意的是，在以下的說 明内容中，類似的元件是以相同的編號來表示。 如圖3所示，是本新型機械式捲軸的一較佳實施例， 5亥機械式捲轴300應用於捲取式分條裝置（圖未示）或是供料 裝置（圖未示）中，用以供一料管9(圖8)套設，以使料管9可 進行捲取材料或者是下料的作業。 如圖4、圖5、圖6及圖7所示，機械式捲軸300包括 M344332 一軸心3、一套設於軸心3上的軸管4、複數個第一彈性元 件5，及複數個第二彈性元件6。軸心3用以穿設於一架體 8的穿孔81並供軸管4套設，軸心3上間隔套設有二滾珠 軸承71，其中一滾珠軸承7ι抵接於軸心3中段處的肩部 3 1 ’而另一滾珠軸承71則藉由一定位盤70的配置而固定 於軸心3前端。軸管4包含一套設於軸心3上的管體μ， 及複數個相對稱地環設於管體41之外表面411的導引機構 42，管體41之内表面412與滾珠軸承71相接合，藉此， 使得軸管4可相對於軸心3轉動。 管體41包括一第一端413、一相反於第一端413的第 二端414 ’及複數個對稱地環設於外表面411的容置槽415 ’各容置槽415呈長形且其長向與管體41的軸向相同，用 以供各導引機構42組裝，在本實施例中，容置槽415的佈 设方式除了對稱地環設於管體41的外表面411外，並沿管 體41的軸向前後間隔排列有分別鄰近於第一端413及第二 端414的容置槽415。各導引機構42包括二長形板件421 、複數個樞軸422、複數個轉動件423及二定位件424，所 述轉動件423彼此相間隔地樞接於二長形板件42丨之間， 各轉動件423為一藉由各樞軸422樞接於二長形板件421 之間的導輪，二長形板件421用以安裝於容置槽415内， 而二定位# 424分別抵接於長形板件421的兩相反端，藉 由螺絲425穿設於定位件424的通孔你並螺鎖於容置槽 415内的螺孔416後，即可脾道引德接11 「J將導引機構42組裝並定位於容 置槽415内，其中，所述棘勤杜^八 疋轉勡件423分別凸伸出管體41的 8 M344332 外表面411 ’且所述轉動件423外側分別與外表面411之間 相間隔的距離D1均相同。 另外，官體41還包括複數個彼此相間隔地形成於外表 面411且鄰近於第二端414的凹槽417，各凹槽417呈環 並用以供各第-、第二彈性元件5、6安裝，其中，第二彈 元件6為一套設於凹槽417内呈環形的橡膠環，而第— 彈性元件5為一套設於凹槽417内且抵接於第二彈性元件6 上呈環形的金屬材質拉伸彈簧，各第一彈性元件$ 管體41的外表面411 ’且各第一彈性元件5外徑與外表面 411之間相間隔的距離D2 "" -之間相間隔的距離叫各轉動件423外側與外表面 的第組Hi式捲軸_於㈣8㈣財，先將管體Μ …供軸心3穿設的套環接著把轴 ，之後於力木_ 8的牙孔81，使套環72抵接於架體8前側 將螺帽;套設—塾圈73於軸心3上，接著 完成= 圈73迫緊於架體8後側，即 凡成機械式捲軸3〇〇的組裝。 如圖7、圖8及圖9所示，欲將粗啟 轴鳩的轴管4上時，„4管^二s4 =於機械式捲 設於轴管4上，由於各導引歷/體41的第—端413套 體W主 構42的轉動件423凸伸出管 體4!的外表面川，且每一轉動 狎出g 之間的距離m皆相同，因此，=外側與外表面- 管9時，轉動件切會抵接於頭的1 内所/的方向推動料 地導引料管9沿管體41的軸向向第_=面91並可平穩 弟一為414處滑移，且料 M344332 一體41之間能具有良好的同心度。由於料管9上所 纏繞的材料越多，將使其整體的重量增加 ^ 引機構42的轉動件42 a此藉由導 料管9組裝於轴管4上另' 不:，艮大的力量即可將 與外表面4】丨夕 第一彈性元件5外徑 盥 ㈤相間隔的距離D2大於各轉動件423外側 ” -411之間相間隔的距離m，因此 至第-彈性元件5位置並抵觸到第一彈性元二 ，内表面91會將第-彈性元件5往㈣，使得第_、第二 彈性兀件5、6被塵成如圖9所㈣㈣ 彈性元件5頂抵於料管9的内表面91，藉由寺第 6施加於第一彈性元件5上的復位彈力， 兀 以及加上第一彈性 件5本㈣加於料管9的内表面W上的復位彈力，能提 的後段處-外樓的力量，使得料管9能藉由該外 沒的力里而穩固地套固於軸管4上。 欲料管9由軸管4上取下時，以相反於箭^所示的 °將枓官9向外拉，使料管9脫離第-彈性元件5的位 由各導引機構Μ的轉動件423導引，即可輕易地 將枓官9沿著管體41的軸向取出。 -需說明的是，在本實施例中，雖同時採第一、第二彈 性元件5、6的設計’但實際應用時，也可單獨只設計第一 彈性=件5，不過，仍以本實施朗揭露能同時提供第一、 第二彈性元件5、6的復位彈力之設計為較佳，♦然，在外 計時也可_更多_性元件同時套設在—起;9彈性元: 的設計數量取決於欲提供料管9多大的外撐力量而定。另 10 M344332 外谷置槽415及導引機構42的設計數量並不以圖4中所 揭露的為限，隨著管體41的長度不同，容置槽415及導引 機構42的設計數量可依實際需求作不同的設計，且容置槽 .415及導引機構42的佈設方式也可採前後交錯的排列方式 • ，衫財巾所揭露的前後觸的排财式為限。 歸納上述，本實施中的機械式捲軸300,藉由結構簡單 之導引機構42及第一、第二彈性元件5、6的設計，不需 • 搭氣體壓力’即可使料官9能輕易地組裝並定位於軸管4 上或由軸官4上取出，在製造上，能降低整體的製造成本 而在使用時’不需特別進行保養的作業且故障率低，同 時能確保料管9與軸管4的管體41之間能具有良好的同心 度’確實能達到本新型所訴求之目的。 惟以上所述者，僅為本新型之較佳實施例而已，當不 月b以此限定本新型實施之範圍，即大凡依本新型申請專利 範圍及新型說明内容所作之簡單的等效變化與修飾，皆仍 • ，本新型專利涵蓋之^圍内。另外本新型的任-實施例或 申請專利範圍不須達成本新型所揭露之全部目的或優點或 特點。此外，摘要部分和標題僅是用來輔助專利文件搜尋 之用’並非用來限制本新型之權利範圍。 【圖式簡單說明】 • 圖1是習知台灣專利第156〇19號專利案所揭示的氣壓 - 式滑動捲取軸構造的立體分解圖； 圖2是習知台灣專利第156〇19號專利案所揭示的氣壓 式滑動捲取軸構造的局部剖視圖； 11 M344332 圖3是本新型機械式捲軸之一較佳實施例的立體圖； 圖4是本新型機械式捲軸之—較佳實施例的立體分解 圖， 圖5是本新型機械式播轴之一較佳實施例的前視圖； 圖6是本新型機械式捲軸之—較佳實施例組裝於架體 上的剖視圖； 圖7是圖6的局部放大圖，說明第-彈性元件外徑與In this way, the overall manufacturing cost can be reduced, and in use, no special maintenance work is required and the failure rate is low, and at the same time, good concentricity between the material pipe and the pipe body of the shaft tube can be ensured. The above and other technical contents, features and effects of the present invention will be apparent from the following detailed description of the preferred embodiments. Through the description of the specific embodiments, a more in-depth and specific understanding of the technical means and effects of the present invention for achieving the intended purpose can be obtained. However, the drawings are only for reference and explanation, and are not intended to be used for the present invention. limit. Before the present invention is described in detail, it is noted that in the following description, similar elements are denoted by the same reference numerals. As shown in FIG. 3, which is a preferred embodiment of the mechanical reel of the present invention, the 5H mechanical reel 300 is applied to a take-up slitting device (not shown) or a feeding device (not shown). For the feeding of a material tube 9 (Fig. 8), so that the material tube 9 can be used for winding materials or cutting materials. As shown in FIG. 4, FIG. 5, FIG. 6 and FIG. 7, the mechanical reel 300 includes a M344332 axial center 3, a set of shaft tubes 4 disposed on the axial center 3, a plurality of first elastic members 5, and a plurality of Second elastic element 6. The shaft core 3 is disposed through the through hole 81 of the frame body 8 and is sleeved by the shaft tube 4, and the shaft core 3 is sleeved with two ball bearings 71, wherein a ball bearing 71 abuts against the middle portion of the shaft center 3. The shoulder portion 3 1 'and the other ball bearing 71 are fixed to the front end of the shaft center 3 by the arrangement of a positioning plate 70. The shaft tube 4 includes a tube body μ disposed on the shaft core 3, and a plurality of guiding mechanisms 42 disposed on the outer surface 411 of the tube body 41, the inner surface 412 of the tube body 41 and the ball bearing 71. Engaging, whereby the shaft tube 4 is rotatable relative to the axis 3. The tube body 41 includes a first end 413, a second end 414' opposite to the first end 413, and a plurality of accommodating grooves 415 symmetrically disposed on the outer surface 411. The accommodating grooves 415 are elongated and The long direction is the same as the axial direction of the tubular body 41 for assembly of the guiding mechanisms 42. In the present embodiment, the accommodating groove 415 is disposed in a manner of being symmetrically disposed outside the outer surface 411 of the tubular body 41. And accommodating grooves 415 respectively adjacent to the first end 413 and the second end 414 are arranged along the axial direction of the tubular body 41. Each guiding mechanism 42 includes a two-shaped plate member 421, a plurality of pivots 422, a plurality of rotating members 423 and two positioning members 424. The rotating members 423 are pivotally connected to each other at two spaced apart plates 42. Each of the rotating members 423 is a guide wheel pivotally connected between the two elongated plates 421 by the pivots 422. The two elongated plates 421 are mounted in the receiving slots 415, and the two positioning #424 Abutting against the opposite ends of the elongated plate member 421, the screw 425 is inserted into the through hole of the positioning member 424 and screwed into the screw hole 416 in the receiving groove 415, so that the splendor can be connected. 11 "J" guides and positions the guiding mechanism 42 in the accommodating groove 415, wherein the spine-turning occlusion member 423 protrudes from the outer surface 411' of the 8 M344332 of the tubular body 41, respectively, and the rotation The outer side of the member 423 is spaced apart from the outer surface 411 by a distance D1. In addition, the body 41 further includes a plurality of grooves 417 formed at an outer surface 411 spaced apart from each other and adjacent to the second end 414. The groove 417 is ring-shaped and is used for mounting the first and second elastic members 5, 6. The second elastic member 6 is a set of rings disposed in the groove 417. a rubber ring, and the first elastic member 5 is a set of metal tensile springs disposed in the recess 417 and abutting against the second elastic member 6. The outer surface 411 of each of the first elastic members $tube 41 And the distance D2 between the outer diameter of each first elastic member 5 and the outer surface 411 is spaced apart from each other by the first group of Hi-shaped reels of the outer and outer surfaces of each of the rotating members 423_(4)8(4) First, the pipe body is first... the collar for the shaft 3 is then placed on the shaft, and then the hole 81 of the force wood _8, so that the collar 72 abuts the nut on the front side of the frame 8; The ring 73 is on the axis 3, and then the completion = the ring 73 is pressed against the rear side of the frame 8, that is, the assembly of the mechanical reel 3〇〇. As shown in Fig. 7, Fig. 8, and Fig. 9, it is intended to be thick. When the shaft tube 4 of the shaft is opened, „4 tubes^2 s4=mechanically wound on the shaft tube 4, due to the rotating parts of the main body 42 of the first end 413 of the guiding body/body 41 423 protrudes from the outer surface of the tube body 4!, and the distance m between each of the rotating jaws g is the same, therefore, when the outer side and the outer surface - the tube 9 is turned, the rotating piece cuts against the head 1 Inward direction Feed tube 9 is guided along the axial direction of the tubular body 41 is smooth and younger brother _ = to the second surface 414 is a slide 91, and the material can be integrally M344332 good concentricity between 41. Since the more material is wound on the material tube 9, the weight of the whole body is increased. The rotating member 42 of the guiding mechanism 42 is assembled on the shaft tube 4 by the guiding tube 9 and the other is not: The distance D2 spaced from the outer surface 4 丨 第一 第一 第一 第一 第一 第一 第一 第一 第一 第一 第一 第一 五 第一 423 423 423 423 423 423 423 423 423 423 423 423 423 423 423 423 423 423 423 423 423 423 423 423 423 423 In opposition to the first elastic element 2, the inner surface 91 will move the first elastic member 5 to (4), so that the first and second elastic members 5, 6 are dusted as shown in Fig. 9 (4) (4) The elastic member 5 is pressed against the material tube 9 The inner surface 91 can be lifted by the reset elastic force applied to the first elastic member 5 by the temple 6 and the return elastic force applied to the inner surface W of the first elastic member 5 (4). At the rear section - the strength of the outer building, the material tube 9 can be firmly fixed on the shaft tube 4 by the force of the outer tube. When the tube 9 is removed from the shaft tube 4, the arrow is opposite to the arrow ^ The angle shown is such that the eaves 9 is pulled outward, so that the position of the material tube 9 from the first elastic member 5 is guided by the rotating member 423 of each guiding mechanism ,, and the embarrassing officer 9 can be easily The axial direction of the tubular body 41 is taken out. - It should be noted that in the present embodiment, although the design of the first and second elastic members 5, 6 is taken at the same time, in practice, only the first elasticity can be designed separately. = member 5, however, it is still preferred in the present embodiment that the design of the return elastic force of the first and second elastic members 5, 6 can be provided at the same time, and the external timing can also be set at the same time. The number of designs of the elastic element is determined by the amount of the outer support force of the material tube 9. The design number of the other 10 M344332 outer valley groove 415 and the guiding mechanism 42 is not disclosed in FIG. The design of the accommodating groove 415 and the guiding mechanism 42 can be differently designed according to actual needs, and the accommodating groove 415 and the guiding mechanism 42 can also be arranged in different manners. The arrangement of the front and rear staggered layouts is limited to the front and rear touches of the money. According to the above, the mechanical reel 300 of the present embodiment has a simple guiding mechanism 42 and first and second The design of the elastic elements 5, 6 does not require a gas pressure to make the material Easily assembled and positioned on the shaft tube 4 or taken out by the shaft officer 4, in manufacturing, the overall manufacturing cost can be reduced, and the operation without special maintenance is required at the time of use, and the failure rate is low, and the material tube can be ensured at the same time. 9 can have a good concentricity with the tube body 41 of the shaft tube 4 'can indeed achieve the purpose of the present invention. However, the above is only the preferred embodiment of the present invention, when not the month b This defines the scope of the novel implementation, that is, the simple equivalent changes and modifications made by the present invention in accordance with the scope of the novel application and the novel description are still included in the present invention. The scope of the invention or the scope of the patent application is not required to achieve all of the objects or advantages or features disclosed herein. In addition, the abstract sections and headings are only used to assist in the search for patent documents' and are not intended to limit the scope of the invention. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is an exploded perspective view of a pneumatic-type sliding take-up shaft structure disclosed in Japanese Patent No. 156〇19; FIG. 2 is a conventional Taiwan Patent No. 156〇19 BRIEF DESCRIPTION OF THE DRAWINGS FIG. 3 is a perspective view of a preferred embodiment of the mechanical reel of the present invention; FIG. 4 is a perspective view of a preferred embodiment of the mechanical reel of the present invention. Figure 5 is a front elevational view of a preferred embodiment of the mechanical mechanical drill shaft; Figure 6 is a cross-sectional view of the preferred embodiment of the mechanical mechanical spool assembled on the frame; Figure 7 is a cross-sectional view of the preferred embodiment of the mechanical spool; Partially enlarged view showing the outer diameter of the first elastic element
管體外表面之間相間隔的距離大於轉動件外側與管體外表 面之間相間隔的距離； 的剖視圖，說明料管套設於軸管上 圖8是類似於圖6 ，•及 說明第一彈性元件頂抵於 圖9是圖8的局部放大圖 料管的内表面。 12 M344332 【主要元件符號說明】 300… …·機械式捲轴 423…… •轉動件 3…… 424…… •定位件 31 ••… •…肩部 425…… •螺絲 4…… •…軸管 426…… •通孔 41 ···.. •…管體 5 ......... •第一彈性元件 411… —外表面 6 ......... •第二彈性元件 412… —内表面 70........ •定位盤 413… •…第一端 71........ •滾珠軸承 414… •…第二端 72........ •套環 415… •…容置槽 73........ •墊圈 416… …·螺孔 74........ •螺帽 417… •…凹槽 8 ......... •架體 42…… •…導引機構 81........ •穿孔 421 ··· •…長形板件 I.......... •箭頭 422 •… •…樞軸 Dl、D2 •距離 13The distance between the outer surfaces of the tubes is greater than the distance between the outer side of the rotating member and the outer surface of the tube; the cross-sectional view shows that the tube is sleeved on the shaft tube. Figure 8 is similar to Figure 6, and the first elasticity is illustrated. The top of the element is shown in Fig. 9 as the inner surface of the partially enlarged drawing tube of Fig. 8. 12 M344332 [Description of main component symbols] 300... ... mechanical winding 423... • Rotating parts 3... 424... • Positioning parts 31 ••... •...Shoulders 425... • Screws 4... •...Axis Tube 426... • Through hole 41 ···.. •...tube 5 ......... •first elastic element 411...-outer surface 6 ......... Elastic element 412... - inner surface 70........ • locating disc 413... •... first end 71........ • ball bearing 414... •... second end 72.... .... • collar 415... •... accommodating groove 73..... • washer 416... ... screw hole 74........ • nut 417... •... groove 8 ......... • Frame 42... •... Guide mechanism 81........ • Perforation 421 ··· •...Long plate I........ .. • Arrow 422 •... •...Pivot Dl, D2 • Distance 13