200932439 九、發明說明： 【發明所屬之技術領域】 本發明係一種關於手工具的技術領姥，、t 捲動推進螺釘排的單向帶動機構，構造更為釘搶在 【先前技術】 按由螺釘搶是經常使用的年 Ο Ο 调b 于 /、，可以連續螺旋進仏 螺釘，因而應用普遍性高。基本 τ 進、 螺釘杈前端具一搶頭， %頭一端係設置一可彈性推 , 夕耵庄骽而搶頭内則設置一 可捲動螺針排的單向帶動機構。 對單向帶動機構的改變，如附件之證書號Μ271 676號 的「電動起子釘搶之定位結構改良」冑型專利案，其定位 結構即是用以帶動釘帶位移的單向帶動手&。前述引證專 利前案無論是其技術内纟’或是其第13圖所示的控：構 造，其共同顚現it件繁多的問題，如第13圖的控向構造包 含了工字型座體[標號91]、定位盤[標號911]、調整盤[標 號913]、上結合塊[標號92]、下結合塊[標號93]、控制桿 [標號94]等各元件，元件數目多，各元件形態複雜，以致 存在製造成本偏高、組裝生產費時的問題； 而M271676號的「電動起子釘搶之定位結構改良」引 從專利蚰案，其本身技術内容雖改變第丨3圖利用橫向彈片 彈跳卡扣疋位方式，但是如第一之一圖所示，整體元件仍 疋繁多’更在下盤體[標號33]增加嵌設數個具彈簧的鋼珠 來定位，以及增設單向軸承之元件，因此元件組裝、製造 6 200932439 200932439 複雜化的問題。 仍然存在成本偏高、 【發明内容】 本發明者鐘於前逑的問題，進而用 發明主要目的俜在袒# 研九開务，因此本 日7你在&供—種螺釘 要係使螺釘搶之用以册^ 耜之早向τ動機構，其主 、土 π動螺釘排的單向帶.動機構，呈有構 造、-件簡單化而易製造與組裝的優點。 ，、有構 為了可達到前述的 ❹在於提供-種螺釘搶之單向之，運用的技術手段係 頭’該搶頭内設置—單二π ’構’螺釘搶-端是槍 該單向帶動機構包:―向:= 串穿於該主軸的棘輪組=:組轉動的主軸、-活動 組連結的擺動座，用以驅 穿於4主轴並與該棘輪 搶頭一端設置一可祧强岵a | 7忒棘輪組轉動， 形成一呈ϊ π Μ 移、回位的座體，座體一側係 々攻 壬倒L形的滑櫓，、'Α桃丄 ^ ，月槽在呈上斜處為坡段，其中 5亥棘輪組係包含一笛 ❹二奸… 第—棘輪、-與第-棘輪靠合的第 神·铷，S亥第一、二赫私 的卡I，兮筮絲 =在環周形成數用以卡制螺釘排 卞Μ s亥弟一棘輪朝向筮-** ±人 ^ W ^ r 弟—棘輪的該端面形成爪槽，用 二棘^ 限制该弟一棘輪單向旋轉，該第 9 — %靶圍，沿徑向等分形成 致道斜坡槽，斜坡槽如淚 可轉動方向呈漸低，坡面最^ ’坡面以相反於該棘輪組 及 低之處形成一貫穿狀的落孔；以 該擺動座是-中空圓板體’於一外側偏心地垂直連接 7 200932439 一定位栓，該搶頭對應定位拴設置一弧形之滑溝，用以該 定㈣進入該滑溝以及該滑槽，該擺動座相對該第二棘= 之該洛孔、該斜坡槽而等分延伸數凸柱。 因此依據本發明的技術手段，本發明可以獲得的功六 簡要說明如下所列： " Ο 〇 1本發明有效簡化單向帶動機構的元件，使單向帶動 機構,、而有第一、二棘輪、具定位拴之擺動座串穿於主軸 即可’大幅縮減it件數目，有效地使元件、構造精簡化， 降低製造成本以及組裝成本。 2本發明的動作實施確實可靠。由於擺動座的定位栓 疋又到座版引導驅動，@同時擺動座設置凸柱與第二棘輪 的洛孔、斜坡槽配置之關係’所以在螺釘被帶上位移，擺 :座之凸柱與洛孔牢實的孔、柱配合，確保擺動座帶動確 Λ而螺釘被螺旋進給之後，受到彈性棘爪止動的棘輪組， 以其可轉動方向是逆向於擺動座回復原位的回轉方向，因 此擺動座被迫利用 用凸柱沿斜坡槽位移至下一個落孔，而因 斜坡槽的斜度設計，所以擺動座回復原位也是呈單向運 轉’能與棘輪叙有所區隔，故動作確實，免於設置如以往 技術内容還要單向轴承的高成本與複雜性，本發明具實用 性0 【實施方式】 本發明係—種 示 裡螺釘搶之單向帶動機構，如第1圖所 其顯示螺釘檢— 缒具一搶頭（1 0 )，該槍頭（1 0)係包含 8 200932439 1左右靠合的第—座（11)與第二座（14)，該搶頭（ι〇) —側 設置一呈L形的調整片（15)，該調整片（15)的垂直端係平 行面向壁面，該搶頭（1〇)另一端係設置一可被彈性驅動的 座體（⑻該㈣U6)一側係形成一呈倒l形的滑槽 (161)，該滑槽（16)在呈上傾斜那段係為坡段（⑽），該座 體（16)端面與該搶頭（10)相對端設置一彈簧（17)，該滑槽 (161)中，係一位於該搶頭（1〇)内的定位栓（241)，該定^ 栓(241)係屬於單向帶動機構内的元件，因此單向帶動機構 係設置於該搶頭（1 〇 )内。 请再參看第1、2、3圖所示，該搶頭（1〇)之第二座（14) 設有一道弧形之滑溝（141)，可調整位置的調整片（15)設置 於第一座（11)外側面，而該單向帶動機構（2〇)係受到第 、一座（11)(14)之包圍；其中單向帶動機構（2〇)係包含一 主軸（22)活動地樞穿一包含有第一、二棘輪（21)(23)的棘 輪組、一擺動座（24)、一彈簧（26)，以及在第一棘輪（21) q 配設一單向卡制的彈性棘爪（30)。 單向帶動機構（2〇)之主軸（22)以不影響棘輪組轉動 的狀態設置，主轴（22)—端形成供棘輪組之第一、二棘輪 (21)(23)活動地串穿於主軸（22)，而主軸（22)在串穿第一 棘輪（21)之後，外徑形成較小的端部（223)，利用端部（223) 穿出第一座（11)對應孔洞之外’於該末端固定一帽蓋（22〇 用以需要時可作動主軸（22)，並利用端部（223)與主轴（22) 交界時的外徑差別形成階級狀，以擋止於第一座（11)内 面，避免主軸（22)整個脫落於搶頭（1〇)之外；以及 9 200932439 圖所不，該棘輪組之第—棘衿Γ 形成卡齒（211),朝内楚_ ^ 朿輻（21)在％周 ,^ 朝向弟二棘輪（23)的該端面浮凸數；κ _ 爪體之間形成爪槽( 而囬子凸數爪體， ^ έ而面中心延伸一方接人邱曲沾 第一接合部（213).而Μ & 万接。邛狀的 (231) ^ —棘輪（23)在環周形成卡齒 朝向弟—棘輪（21)的端面中心 第二接合部(233)，使第一吐 方接…Μ大的 人 —接5部（21 3)(233 )因凹凸扣 &而犯一起轉動，如第3、 Ο 端面的-環範圍，”向等八 在反向第一棘輪(21) σ二〇專刀形成數道斜坡槽（232)，斜坡 二 f形槽’坡面由-端往另端漸低，以圖面方向來 疋呈順牯針方向為漸低，而在坡面最低之處形成 狀的落孔则’此即斜坡槽⑵2)坡面以相反於第一、、二 棘輪⑵)⑵)可轉動方向而呈漸低’第一、二棘輪⑵)⑽ 的卡齒（211)(231)是卡制於螺釘排兩側的缺口中，以齒形 來帶動螺釘排捲動；以及 弟Z、4、5圖，該擺動座（24)是一中空圓板體一側 偏心狀地延伸一凸耳（241)以垂直連接一定位栓（25)，其方 式係定位栓（25)-端套設-環體（251)，而定位栓（25)末端 係螺接固合於突耳(241) ’使定位栓(25)及其環體(25"置 於滑溝（141)與座體（16)的滑溝（161)中’環體（251)可保持 定位栓（25)不致在滑動當中產生干涉，彈簧（26)則抵置於 擺動座（24)與第二座（14)内側之間，如第2、4圖所示，擺 動座（2 4)朝向定位栓（2 5 )之端面，沿徑向等分延伸數凸柱 (243)，用以凸柱（243)可沿斜坡槽（232)滑動以及可進入落 孔（2 3 4)中；以及 10 200932439 該彈性棘爪⑽係彈性卡抵於第一棘輪( 的爪槽綱’藉以反制第一棘輪(21)逆時針旋轉。 Ο200932439 IX. Description of the invention: [Technical field of invention] The present invention relates to a technical guide for hand tools, and a unidirectional driving mechanism for rolling a push screw row, and the structure is more nailed. [Prior Art] Screw rush is a frequently used year Ο 调 b in /,, can be continuously screwed into the screw, so the application is universal. The basic τ input, the front end of the screw 具 has a head, and the end of the % head is set to be elastically pushable, and the unidirectional driving mechanism of the scrolling screw row is arranged in the head. For the change of the one-way driving mechanism, such as the "Improved Positioning Structure Improvement of Electric Screwdriver Nail" in the attached certificate No. 271 676, the positioning structure is the one-way driving hand for driving the belt belt displacement & . The aforementioned cited patent case is either a technical flaw or a control structure as shown in Fig. 13, which collectively solves a large number of problems. For example, the control structure of Fig. 13 includes an I-shaped seat. [Ref. 91], positioning disk [No. 911], adjustment disk [No. 913], upper binding block [No. 92], lower binding block [No. 93], control lever [No. 94], etc., the number of components is large, each The shape of the components is so complicated that there is a problem of high manufacturing cost and time-consuming assembly and assembly; and the "improvement of the positioning structure of the electric screwdriver nail grab" of M271676 is cited in the patent case, and its technical content is changed. The bounce snapping method, but as shown in the first figure, the overall components are still numerous. 'In the lower disc body [33], several spring-loaded steel balls are inserted for positioning, and the components of the one-way bearing are added. Therefore, component assembly, manufacturing 6 200932439 200932439 complications. There is still a high cost, [Summary of the Invention] The inventor of the present invention has a problem with the front, and then the main purpose of the invention is to use the 研# research and development, so today you are in the & It is used for the early movement of the ^ moving mechanism, and the unidirectional belt and moving mechanism of the main and soil π-moving screws are advantageous in that the structure and the simplification are easy to manufacture and assemble. , in order to achieve the above-mentioned ❹ is to provide a kind of screw robbing one-way, the technical means of using the head 'the inside of the head set - single two π 'construction' screw grab-end is the one-way drive of the gun Institutional package: ―向:= The ratchet group strung through the main shaft =: the main shaft of the group rotation, the swing seat connected to the active group, for driving through the 4 main shaft and setting a reluctance with the end of the ratchet a | 7 忒 The ratchet wheel rotates to form a seat body that is ϊ π Μ shifted and returned. The side of the seat body is slammed into the L-shaped sliding shovel, and the 月 丄 丄 , It is a slope section, in which the 5 Hai ratchet wheel set contains a flute and a slapstick... The first - ratchet, - the first god of the ratchet, the first, the second, the private card I, the silk = The number of rings formed in the ring is used to clamp the screw 卞Μ 亥 弟 一 一 ** ** ** -** ± ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ To the rotation, the 9th - % target circumference is formed into a channel slope groove in the radial direction, and the slope groove is gradually lowered in the direction in which the tear can be rotated, and the slope surface is opposite to the ratchet And the lower part forms a through hole; the swing seat is a hollow circular plate body ercentrically connected to the outer side of the outer hole 7 200932439 a positioning bolt, the head corresponding to the positioning jaw is provided with an arc-shaped sliding groove, And (4) entering the sliding groove and the sliding slot, the swinging seat is equally divided with the plurality of protruding pillars with respect to the Luokongo and the slope groove of the second spine. Therefore, according to the technical means of the present invention, the brief description of the work 6 obtainable by the present invention is as follows: " Ο 〇 1 The invention effectively simplifies the components of the one-way driving mechanism, so that the one-way driving mechanism has the first and second The ratchet and the oscillating seat with the positioning cymbal can be used to greatly reduce the number of parts, which can effectively simplify the components and structure, and reduce the manufacturing cost and assembly cost. 2 The operation of the present invention is indeed reliable. Since the positioning pin of the swinging seat is driven to the seat plate, the @swinging seat is arranged to have the relationship between the stud and the second ratcheting hole and the groove groove arrangement, so the screw is displaced on the belt, and the pendulum of the seat is Luokong's solid hole and column fit ensure that the swinging seat is driven correctly and the screw is screwed in. The ratchet set that is stopped by the elastic pawl is rotated in the opposite direction to the swinging seat. Therefore, the swing seat is forced to use the stud to move along the slope groove to the next drop hole, and because of the slope design of the slope groove, the swing seat returns to the original position is also a one-way operation' can be distinguished from the ratchet. Therefore, the action is true, and the high cost and complexity of the one-way bearing are not required to be set as in the prior art, and the present invention has practicality. [Embodiment] The present invention is a one-way driving mechanism for the screw-in-grip, such as the first 1 shows the screw inspection - the cookware has a head (1 0), the head (10) is the first seat (11) and the second seat (14) which are supported by 8 200932439 1 Head (ι〇)—The side is provided with an L-shaped tab ( 15), the vertical end of the adjusting piece (15) is parallel to the wall surface, and the other end of the head (1) is provided with an elastically movable seat body ((8) the (4) U6) side to form an inverted shape a chute (161), the chute (16) is inclined at a section ((10)), and a spring (17) is disposed at an end of the seat (16) opposite to the head (10). The sliding slot (161) is a positioning bolt (241) located in the head (1), and the fixing bolt (241) belongs to a component in the one-way driving mechanism, so the one-way driving mechanism is set. In the head (1 〇). Please refer to Figures 1, 2 and 3 again. The second seat (14) of the head (1〇) is provided with a curved sliding groove (141), and the adjustable position adjusting piece (15) is arranged at The first (11) outer side, and the one-way driving mechanism (2〇) is surrounded by the first one (11) (14); wherein the one-way driving mechanism (2〇) includes a main shaft (22) activity The ground pivots a ratchet set including the first and second ratchets (21) (23), a swing seat (24), a spring (26), and a one-way card is disposed on the first ratchet (21) q Elastic pawl (30). The main shaft (22) of the one-way driving mechanism (2) is set in a state that does not affect the rotation of the ratchet group, and the main shaft (22)-end forms the first and second ratchets (21) (23) for the ratchet group to be actively strung through The main shaft (22), and after the main shaft (22) is threaded through the first ratchet (21), the outer diameter forms a smaller end (223), and the end portion (223) is used to pierce the corresponding hole of the first seat (11). Externally, a cap is fixed at the end (22〇 is used to actuate the main shaft (22) when needed, and the outer diameter difference between the end portion (223) and the main shaft (22) is formed into a class shape to block the The inner surface of one (11) avoids the entire spindle (22) from falling out of the head (1〇); and 9 200932439 does not, the first part of the ratchet set forms a latch (211), facing the inside _ ^ 朿 (21) at % weeks, ^ toward the second ratchet (23) of the end face embossed number; κ _ between the claws form a claw groove (and the back of the convex number of claws, ^ έ face center extension One side picks up Qiu Qu Dhan's first joint (213). And Μ & Wan. The braided (231) ^ - ratchet (23) forms a tooth at the circumference of the ring toward the center of the end of the ratchet (21) Second The joint (233), so that the first spit is connected to a large person - five parts (21 3) (233) are rotated together due to the bumps and buckles, such as the third, the end of the ring-ring range," To the eight in the reverse first ratchet (21) σ two 〇 special knife to form a number of slope grooves (232), the slope of the two f-shaped groove 'slope from the end to the other end gradually lower, in the direction of the map The direction of the needle is gradually lower, and the hole formed at the lowest point of the slope is 'the slope groove (2) 2). The slope is gradually lower than the rotation direction of the first and second ratchets (2)) (2)). The latches (211) (231) of the 'first and second ratchets (2)) (10) are engaged in the notches on both sides of the screw row, and drive the screw row to rotate in a tooth shape; and the brothers Z, 4, and 5, The swinging seat (24) is a hollow disc body extending eccentrically from a lug (241) to vertically connect a positioning bolt (25) in a manner of positioning the bolt (25)-end sleeve-ring body (251) ), and the end of the positioning pin (25) is screwed to the lug (241) 'the positioning pin (25) and its ring body (25 " placed in the sliding groove (141) and the seat (16) sliding groove (161) The 'ring body (251) can keep the positioning bolt (25) not Interference occurs during sliding, and the spring (26) is placed between the swing seat (24) and the inner side of the second seat (14). As shown in Figures 2 and 4, the swing seat (24) faces the positioning bolt (2). 5) an end face, extending a plurality of protrusions (243) in the radial direction, for the protrusion (243) to slide along the slope groove (232) and to enter the drop hole (23); and 10 200932439 the elasticity The pawl (10) is an elastic card that abuts against the first ratchet (the claw groove) to counterclockwise rotation of the first ratchet (21). Ο
本發明實施時，首先如第5、7圖所示，常態時，座 體(16)之坡段(160)頂部位置是定位栓(25)穿設之位置，〆 動座⑽的凸柱(243)係置於第二棘輪(23)的落孔⑵4)广 而需針螺釘於工作物或壁面時，將調整片（15)垂直端 抵壓於工作物上’由於調整片（15)與槍頭(10)固定一起， 再以螺釘搶驅動座體（16)來推進螺釘，如第6、8圖所示， 座體⑽之前進即令搶頭⑴）相對縮入座體（⑻内壓缩彈 黃（⑺’㈣滑溝（161)來引導定位栓（25)而令擺動座（24) 轉動’讓凸柱（243)因與^孔（234)凹凸配合，使擺動座（24) 帶動第一、二棘輪（21)⑵）順時針方向轉動，形成螺釘排 在上位移一段距離，並透過彈性棘爪（30)在第一棘輪（21) 轉動-距離而卡制到下—個爪槽（212)形成止動作用，讓螺 釘排的螺釘對準工作物目標； 使用者再施以螺釘搶一前推驅動力，使搶頭（1 〇)及調 整片（15)相對更縮入座體（16)内，而使滑槽（“I)引導已至 =溝（141)下死點的定位栓（25〉，被滑槽（16丨）水平方向引 ^藉使螺釘搶機械推擊力量將螺釘螺旋進給出去； 而後釋放座體（1 6)，利用彈簧（17)彈性回復力，帶動 t向咿動機構（20)之定位拴（25)回位到坡段（160)位置，此 &因為棘輪組受彈性棘爪（3〇)控制之單向可轉動方向，是 逆向於擺動座（24)可回轉方向，故擺動座（24)如第4圖所 ^ 回轉方向令凸柱（243)由原本的落孔（234)脫離，沿斜 11 200932439 坡槽（232)低處往高處滑移到下一個落孔（234)位置，因 落孔（234)鄰側是受到斜坡槽（232)高處壁面所擋止，故’”、 會逆轉而確定位置，如此循環反覆操作即可。S ，不 上述實施例僅為例示性說明本發明之技術及 、而非用於限制本發明。任何熟於此項技術人士 不違背本發明之技術原理及精神的情況 力可在 進行修改及變化，因此本發明之權利 述貫施例 之申請專利範圍所列。 ’、又ϋ應如後所述 Ο 〇 12 200932439 【圖式簡單說明】 第1圖係本發明較佳實施例之立體圖。 第2圖係本發明較佳實施例之立體元件八 第3圖係本發明較佳實施例之第一、_ ”圖 分解放大立體圖。 一棘輪、擺動座 第4圖係本發明較佳實施例之第 0 的動作放大示意圖。 ”杬動座配置 第5圖係本發明較佳施例之 剖面圖。 平门可動機構組合端視 第6圖係本發明較佳實施例之單向帶動 座相對於笙_ & & f動機構顯示擺動 ’、第一棘輪的動作組合端視剖面圖。 第7圖係本發明較佳實施例之 圖。 π助機構常態立體 第8圖係本發明較佳實施 ❹座被帶動的立體圖。 早心動機構顯示擺動 【主要元件符號說明】 (ίο)搶頭 （11)第一座 (14)第二座 （15)調整片 (16)座體 （160)坡段 (161)滑槽 （17)(26)彈簧 (20) 單向帶動機構 (21) 第一棘輪 13 200932439 (211)(231)卡齒 (21 2)爪槽 （21 3)第一接合部 (2 2)主轴 (221)帽蓋 （ 223 )端部 (23) 第二棘輪 (232) 斜坡槽 (233) 第二接合部 (234) 落孔 (24) 擺動座 （241)突耳 (243)凸柱 （25)定位栓 (251)環體 (30)彈性棘爪In the implementation of the present invention, first, as shown in Figures 5 and 7, in the normal state, the top position of the slope portion (160) of the seat body (16) is the position where the positioning bolt (25) is pierced, and the protrusion of the tilting seat (10) ( 243) is placed on the second ratchet (23), the hole (2) 4) is wide and the needle is screwed to the work object or the wall surface, and the vertical end of the adjusting piece (15) is pressed against the work object due to the adjustment piece (15) and The gun head (10) is fixed together, and then the screw is used to drive the seat body (16) to push the screw. As shown in Figures 6 and 8, the seat body (10) is forwardly retracted into the seat body (1). Yellow ((7)' (four) sliding groove (161) to guide the positioning bolt (25) and rotate the swinging seat (24) 'to make the protruding column (243) cooperate with the hole (234) to make the swinging seat (24) The first and second ratchets (21) (2) rotate clockwise to form a screw row that is displaced upward by a distance and is locked to the lower jaw groove by the elastic ratchet (30) rotating at the first ratchet (21). (212) forming a stop action, aiming the screw of the screw row to the target of the work object; the user applies a screw to push the driving force of the front to make the head (1 〇) and the adjusting piece (15) phase The locating pin (25>, which is retracted into the seat body (16), and the chute ("I) guides to the bottom dead center of the groove (141), is led by the chute (16 丨) horizontally to make the screw Grab the mechanical pushing force to screw the screw in and give it; then release the seat body (16), use the spring (17) elastic restoring force to drive the t to the tilting mechanism (20) to position the 拴 (25) back to the slope (160) position, this & because the ratchet set is controlled by the elastic pawl (3〇), the one-way rotatable direction is reversed to the swinging seat (24), and the swing seat (24) is as shown in Fig. 4. ^ The direction of rotation causes the stud (243) to be disengaged from the original drop hole (234), and slides along the slope 11 200932439 slope groove (232) to the next drop hole (234) position due to the drop hole (234) The adjacent side is blocked by the high wall surface of the slope groove (232), so that it will be reversed to determine the position, so that the cycle can be repeated. S, the above embodiments are merely illustrative of the technology of the present invention and It is not intended to limit the invention. Any person skilled in the art can do without departing from the technical principles and spirit of the present invention. The modifications and variations of the present invention are set forth in the scope of the patent application of the present invention. ', and should be as described later Ο 〇 12 200932439 [Simplified illustration of the drawings] FIG. 1 is a preferred embodiment of the present invention 2 is a perspective view of a preferred embodiment of the present invention, and a third embodiment of the preferred embodiment of the present invention is an exploded perspective view of the first embodiment of the present invention. Fig. 5 is a cross-sectional view showing a preferred embodiment of the present invention. Fig. 6 is a one-way view of a preferred embodiment of the present invention. The action block is shown in cross-sectional view of the action of the first ratchet with respect to the 笙_ && f motion mechanism. Figure 7 is a diagram of a preferred embodiment of the invention. π assist mechanism normal stereo Fig. 8 is a perspective view of the preferred embodiment of the present invention. Early cardiac motion display swing [main component symbol description] (ίο) grab head (11) first seat (14) second seat (15) adjuster (16) seat body (160) slope section (161) chute (17 (26) Spring (20) One-way driving mechanism (21) First ratchet 13 200932439 (211) (231) Clamping (21 2) Claw groove (21 3) First joint (2 2) Spindle (221) Cap (223) end (23) second ratchet (232) ramp slot (233) second joint (234) drop hole (24) swing seat (241) lug (243) stud (25) positioning bolt (251) Ring body (30) elastic pawl
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