200903141 九、發明說明: 【發明所屬之技術領域】 本發明係有關於-種「原稿壓板開閉裝置」,尤指一種涉及適 :心在P機印刷機、傳真機、掃描器等具有原稿麼板的辦 么設、从具杨赌㈣辦公設備。 ;b P機Hp刷機、傳真機、掃描器等辦公設備之設備主體 i於及等<備主體的上表面後部’透過原稿壓板開閉裝置使該 ”营β、板可以作開或閉之動作安裝於其上。原稿壓板開閉裝置是 -種鉸鏈機構’其用_支承雜驗使其可繞鉸鏈補動,從 而能夠使原稿壓板壓緊在設備域上表蝴原稿台_上,並且 打開時能敏該原柄玻植出。為了將顧設置在原稿台玻璃 上’要使原漏板向上方轉動(使原麵板向_原稿台玻璃的 方向(有時购了開方向)移動),以使原稿台玻璃露出(開放), 在將原稿放置_原柄_上之後,储漏板向減方向轉 動而關閉’用原稿壓板使原稿壓緊在原稿台玻璃上,由此,能夠 將原稿設置在原稿台玻璃上。 在上述原稿壓板開閉裝置中,習知具有下述之原稿壓板開閉 裝置:為了將㈣之類厚度大的原稿穩定地壓緊在設備主體之上 表面,並使原稿壓板開閉裝置能夠於設備主體之上或下之方向上 作移動⑷如’參照專利文獻υ。該原稿壓板開閉裝置具有一聊 部並朝向設備讀之高度方向延伸,_部餘設於設備主體上 200903141 所開汉之*纽巾且可作滑動,並原稿壓板開閉裝置安裝在設備 主體上且可在設備主體之高度方向上作移動。 々日本專利第3262457號專利中記載的原稿壓板開閉裝置,名 曰等旱大之原稿如壓獅情況下,當將原稿設置在原稿台 玻璃上後並_原稿壓板時,原稿壓板關裝置會向設備主體的 上方移動原稿壓板㈣呈與原稿台破卿行驗態,與原稿面 接觸地覆蓋在原稿台玻璃上,所以能夠將書等之類厚度較大的原 稿穩定地㈣在設備主體的上表面上,並且能触量防止外部光 進入到_主體的⑽而妨礙曝光的情況。 另外’在上述專利文獻1所記載的原稿壓板開閉裝置的腳部 t,设有陳狀的可觸地滾子料,#使腳部在絲孔内移動 ^子部件在安裝孔轉滾動,由此,原稿壓板顧裝置(腳 口地的進行移動。但此項結構假設腳部之鶴方向非滾子 之方向,職子部件不轉動,故妨原稿壓板開閉褒置 ^二)的移動無法流暢制題。再者,當滾子部件以彎曲方式 二或在使用過程中滾子部件的轴偏移時,在腳部作移 =貝1滾子精不轉動,故仍然存在無法流暢地進行原稿壓 才(腳部)的移動,且其移動反而難以進行的情況。 【發明内容】 本發明之主要目的,係 穩固的設置於具有上述 麦此’為解決上述習知技術之缺點, 提七、種原稿壓板開閉裝置,令腳部能夠 200903141 原稿壓板_裝置之設備域上並賴地進行移動。 為達上述之目的,本發明之顧壓板關裝置係包含下列構 件:一原髓板開職置,應轉—辦公之設備組設,賴公設 備主體設有至少—絲孔,該雜壓«職置腳部插設於前述 安裝孔,前述原稿壓板_裝置—端與—原稿壓板連接,並前述 腳部上設有:球狀滑動部件且與前述安裝孔之内壁呈滑動地接 觸’並:朝前述安裝孔上或下之方向作滑動,而原稿壓板係架設 於原稿壓板剩裝置上’並藉由上财稿壓板開㈣置將原稿壓 板支撐架設於具有·壓板的辦公之設備上,並可作開閉動作, 以使原稿穩關制於上述具有原稿M板的辦公設備上。 本發明係透過在腳部上設置可作轉_雜_部件並盘安 裝孔的内壁滑動接觸,無論***到安裝孔中的腳部在安裝孔内在 向上或下之方向上如何移動,與安裝孔的内魏接的球狀滑動部 件都會轉動,所以能穩固且流暢地進行腳部的移動。 在本發明的原髓板開閉裝置卜較佳為上述滑動部件設置 於上述腳部的前部與後部時,以上下方向位置錯開之方式設置。 此外’在本發明的原稿顯_裝置中,較佳在上述腳部上設置 有卡合構件’該卡合構件具有與設置在上述安裝孔中的卡合凹部 卡口的卡σ凸部。另外,在本㈣的原稿驗卿裝置十,較佳 為上述卡合構件财將上針合凸部和上述卡合畴 ^ 態的解除構件。 “卜〇狀 200903141 此外’在本發明的原稿壓板開閉裝置中,較佳的是:上述卡 ’合凸部可在上述腳㈣兩側面作伸出或沒人之動作,並且朝向突 出方向方也力上述解除構件具有拔出凸部,該拔出凸部可在上述 腳柏月ίι表面罪近下方處作伸出或沒入之動作,並且朝向突出方 向施力’且概出凸部在向沒人方向_時,使上述卡合凸部向 白移動 ^使上述腳部向後方側傾倒時’上述拔出凸部與 上述安衣孔的壁面接觸而形成向沒人方向移動,從而使上述腳部 j孔中拔^。另外,在本發明的原稿壓板開閉裝置 中,較佳的是:上述兩個卡合凸部分別設置在一對卡合凸部件上, =等卡合凸部件可在上述腳部的寬度方向上移動地支撐在上述腳 =上’上述卡合凸部件具有:—施力部件,係相互接觸,上述卡 口凸補向上述腳部突出的方向施力;及卡合工作凹部,係設置 於上述腳部之_表面’上述卡合工作凹部於上述卡合凸部從上 述腳部突出時相互遠離,在上述卡合凸部沒人到上述腳部中時相 互抵接或魏’上述拔丨凸部設置在拔Λ凸部件上,該拔出凸部 件係可移祕讀於上述腳部⑽與後之方向上,在該拔出凸部 件:後表©設有卡合玉作凸部,#上述卡合工作凸部與上述卡合 凸耕的各卡合1作凹部卡合、這些卡合卫作凹部分離時,上述 拔出凸部從上述腳部突出,#使該拔出凸部向沒人到上述腳部中 的方向移_ ’上述兩針合王作凹部相互抵接或接近,上述卡 合凸部沒入到上述腳部中。 10 200903141 此外,為達成上述目的,本發明原稿壓板開閉裝置 發明無論插設於安裝孔中的腳部在安裝孔内在作上或下方^ 移動,與概之龜顧梅麵會辆= 穩固且流暢地進行移動。 文腳4硓 根據上述本發明之城顯·罐置,因飾卩部 動地球狀滑動部件並與錢孔之_輯動方式鞠,故益、 ::安裝孔中之腳部於安裝孔内作上或下之方向如何移動: 2=嘯彻崎縣,目㈣能夠穩固且 態樣。 【實施方式】 第1圖至第5B圖係為本發明之原稿壓板開閉裝 置的一種實施 、3圖所不’本發明之原稿壓板開 辦公設備10之設備主體u的德诚邱n、, 置於 體1的後^士且《原稿壓板開閉裝置i 汉置有原稿壓板12,並令前述原稿壓板12相對於設備主體η 或閉之動作。本發财對於作為辦公設備iq之實施例,並 :有寺別㈣’例如,可為影印機、印刷機、傳真機、掃描器等, 本發明以影印機作為較佳之實施例,但沒有特別限定地進行說明。 門f詈1閱第1 2 3、4、5、5β圖所示,本發明之原稿壓板開 閉錢1係為··在具有原稿壓板12的辦公設備1G之設備主㈣ 上设置有安裝孔15’在該安裝孔15中插設有前述原稿壓板開閉裝 200903141 ’ 置主體2之腳部3並可作雜’於原稿壓板開閉裝置主體2上咬 •置有原稿塵板12,並且藉由前述原稿壓板開閉裝置主體2將原稿 壓板12支撐架設於設備主體u,並相對於設備主體u可作開或 閉之動作,其主要為在腳部3設有可作轉_球狀滑動部件4並 與安裝孔15的内壁呈壓力滑動接觸。 在设備主體11的上表面設有原稿台玻璃(圖中未表示),利 用原稿壓板丨2使原稿緊罐_台_上,並且由原觸反 覆蓋遮蔽原稿台玻璃。在設備主體n上表面的後端部附近之兩 $,分別設有在上下方向(或稱為高度方向)上延伸的安裝孔η。 安裝孔15之係為-矩形凹孔。在該安裝孔15之兩侧面,於高度 方向上延伸設有卡合凹部16。 本實靖之卡合於高度方向之長度並沒有特別作限 疋可任意設定。 原稿壓板嶋置地具有:基體部件&,其透過腳部3 :安裝在辦公設備10之設備主體11上;支樓部件H-端係可 作轉動地槌設於該基體部件21上,另端安褒在原稿壓板12上、· ^彈性部件23 ’其係設置在編削和支稽部件22之間, 並朝向原稿壓㈣之打開方向轉動施力,使原 =蓋於設駐體11絲岭_狀態或使其表面露出呈打開狀 復參閱第 l、2、3、4a、4b、4c、4d、4e、5a、5_、^ 12 200903141 10a、10b、l〇c、i〇d圖所示,基體部件21係由下列構件所組成: 具有聊部3的底板21a、及兩側板21b,係由底板21a的兩側端部 分別在相對於底板21a大約呈垂直之方向上延伸。 底板21a大致呈矩形狀,於底板21a之下表面設有由下表面 向下方延伸的腳部3,該腳部3係插設於設備主體u之安裝孔π 中,並令上述原稿壓板開閉裝置主體2設置於設備主體u上。 於前述侧板21b上,設有貫穿鉸鏈銷24之軸孔2k。 於前述側板21b較前述轴孔21c更靠前方處,設有受壓銷孔 21d並可讓受壓銷25作貫穿。 受壓銷25係介於彈性部件23與凸輪滑動體%兩者間,並作 為抵接用之受壓部件,該受壓部件並不限於受壓銷25等銷,也可 為輥(如受壓輥)。 支撲部件22係由下列部件所構成:作為頂板之上板孤,由 上板22a之兩側端部分別相對於上才反既向下方彎折呈大約, 之兩側板22b,以及上板22a之前端部相對於前述上板既向下方 彎折呈大約90°的彈性部件支撐部22(:。 在兩側板22b的大約靠中央部位,分別設有安裝片22d並透 過小螺釘等元件可安裝設置在原碰板12之後端側。 於兩側板22b的-個端部(前端部),設有轴貫穿孔(未圖示)。 透過使兩侧板22b的軸貫穿孔與基體部件21的袖孔仏孔對齊, 且將鉸鏈⑽隔著_ _人_孔2k巾,支撐部件22 ^以 13 200903141 叙鏈銷24為軸心並樞設於基體部件^上。 弹性部件23係朝原稿壓板 於本發明中,汗」又万向轉動並施力。再者, 離開原稿台麵之方向。 2^動_碰板12 於本發明中,所謂關閉方向係為與打開方向相反 指令原稿壓板1 ?艎^ π± π ^ 係 向。2轉動時原稿壓板12接近或貼合繼玻璃之方 、 縣23並不作特別限定,如-種壓縮螺旋彈簧23a,前 淨簧版係容設於支撐部件22内,且彈性連接於彈性 部件支撐部22c與受壓銷25之間。壓縮螺旋彈菁娜之—端部係 =於彈性部件支撐部22c上,且麵螺旋彈菁咖之另—端部 谷没於呈矩猶簡魏之凸麟補26巾,並透職凸輪滑動 體26與受壓銷25抵接。 、壓縮螺旋彈簧23a之數目並不作特別限定,係可為一個亦可 為兩個以上’於圖不實施例中為-個,壓縮螺旋彈簧23a對凸輪 滑動體26施力使其與受壓銷25抵接。 設置於基體部件21之腳部3由俯視肖度觀察時大約呈矩形 狀。腳部3的寬度較佳係以安裝孔15無設置卡合凹部16時之寬 度稍大之尺寸。 此外,腳部3之前後方向的長度較佳係為較安裝孔15的前後 方向之長度稍長(較腳部3之寬度與安裝孔15之寬度兩者之差距 14 200903141 長)之尺寸為佳。 但為度(長度方向之長度)雖無作特別限定, 寸為佳。 纽15之長邊方向(深度方向)之長度為短的尺 於j表面之下方較佳以傾斜方式形成斜度面3a。 方向之t切位高度方向的難近上林,对向前後 裝孔31,該^^分別貫通前表面與後表面的第-滑動部件安 收納部如心=安裝孔31内具有於前表面側之滑動部件 有_描”後關且騎_件_部31a直徑大之呈 有螺^槽的螺紋部31,並前後區分呈兩節。紅大之 滑動部件_部仏之月'』方直徑係朝前端部逐漸縮小,即, 直經為滑動開口部(有時稱為第一開口部3ic)之 *動耕收納部31a中最小尺寸之直徑。 士第6圖所示’於上述第 納部如内容設有可作轉動的滑動部彳t;tr之收 之直徑較第—開口㈣u 午之滚珠4卜可述滾珠41 —開口部31c及^ C ”、’且較滑動部件收納部31a(除了第 滑動部件收方的直徑縮小部分外)之直經小,形成比該 部31a内 3的直徑略小的尺寸,在容設朽骨動部件收納 d:滾珠41之—部分可從第-開口杨突出。 ⑺動邛件安裝孔31之螺纹部 得第1動部件安裂孔31之後 虫=蓋體32,使 ’盍體32係為將第 200903141 一滑動部件安裝孔31之後表面側封閉的部件,係為與螺紋部3此 作螺合的螺合部件,因此滚珠41以不會由第—滑動部件安裝孔μ 掉落之方式容設於第一滑動部件安裝孔31内。 乂 於盍體32與滚珠41之間,設有作為施力部件的壓縮螺旋彈 簧33,於壓縮螺旋彈簧33與滾珠41之間設有細私,透過壓縮 螺旋彈簧33之作用力,滾珠41的—部分經由墊圈如從第—開口 部3k突出,於腳部3插設於安裝孔15中時,滾珠41與安裝幵孔 15之内壁呈壓力滑動接觸。 料’如第10A ' l〇B圖所示於腳部3之高度方向的下方,設 料_方挺伸,並且㈣貫通前麵的斜如3a及後表面的 弟-滑動部件絲孔35,前述第二滑動部件絲孔3 安裝孔31設置方式相反,前述第二滑動部件安裝⑽ =於後表_之_部件收納部35a直徑係較小於設置於前表 螺紋槽之螺紋箱,並形成前後不同直徑兩節部。 時二=收?部㈤的後方直徑逐漸朝向後方側的開口部(有 口部35c之直徑尺寸為最小。 开 請參閱第7圖, 部件收納部35a内, 42。 如圖所不於該第二滑動部件安裝孔%之滑動 係容設有作為物部件4,並可轉動的滚珠 且較滑動部件收納 滾珠42較前述第二開口部35c的直握大 16 200903141 部35a (除了第二開口部35c及直徑縮小的部位外)之直徑尺寸 彳域略小於該滑動部件收納部35a #直徑尺寸,在容設於滑 動部件收納部35a内之狀態下,滾珠42之―部分可從第二開口部 35c突出。 於_第二滑動部件安裝孔35的螺紋部35b上螺合有蓋體 々7第—/月動部件安裝孔35之前表面側被封閉,蓋體邪係為 將第一…動雜*裝孔35的前表面側賴之部件,如—種與螺紋 部螺合之螺合部件。由此,令滾珠42以不會從第二滑動部件安裝 孔35掉落出來之方式容設於第二肋部件絲孔35内。 ⑬於蓋體36與滾珠42之間,設有作為施力部件之壓縮螺旋彈 更37 ’在壓縮螺旋彈簀37與滾珠42之間設有墊圈洲,透過壓缩 螺旋彈簀37之作用力,滾珠42的-部分經由墊圈38從第二開口 部35c突出,當腳部3插設於安裝孔15中時,滾珠犯與安裝孔 15之内壁呈壓力滑動接觸。 從該第二開口部35c突出之滾珠42與安裝孔15之後表面呈 壓力滑動接觸,且從第—開口部31c突出之滾珠41與安裝孔15 的絲面呈壓力滑動接觸,令腳部3 (原稿壓板開職置主體幻 可於尚度方向上下流暢地作移動。 此外,於前勒卩部3上較佳設有卡合構件5,該卡合構件5反 有可與設置於安裝孔15之卡合凹部16卡合的卡合凸部H 卡合構件5較佳具有將卡合凸部62、72與卡合凹部Μ之卡合狀 17 200903141 態解除的解除構件8。 八2為卡σ構件5,只要可與卡合凹部16作卡合以及解除該卡 λ、則’又有特別作限定,較佳係具有下列構件:具有卡合凸 邛62、72的一對卡合凸部件61、71,及作為解除構件8中之結構 要件的拔凸部件鶴部53之拔㈣部件81。 月'閱第8圖至第10B ® ’如圖所示於腳部3之高度方向的 下方於比斜度面如接近上方處’設有向寬度方向 (左右方向) a延伸並骑別料_面的卡合凸部件工作部51,前述卡合凸 :件工作部51於側視時,呈前表面側突出的類似凸狀;於卡合凸 乍ί5 51之後部设有兩個通孔52,前述之通孔μ以寬度方 向之中央部位為中心以相對稱方式設置。 H卡合凸部件工作部51之凸狀㈣端部及齡面側被呈 =為拔出凸部件移動部53貫穿,—對卡合凸部件W =:凸:件工作部51上’並可作移動,且拔出凸部㈣設 :凸部件工作部51與拔出凸部件軸部53上並可作移動。 §月參閱第11圖,如圖辦 部件61與計合凸料7丨合凸料係由左卡合^ .所構成,左卡合凸部件61之左側的侧 :===(—_的 並形成且作為傾斜面62=rm大轉中_下方傾斜 机右金+人h 力卜於左卡合凸部件左側之前表面上 有財合凸部相反之另—侧侧端部並呈傾斜的卡合工作凹部 18 200903141 63,且卡合工作凹部63之截面係為三角形。 卜於左卡°⑽件61之後表面與卡合凸部62相反之另 :側的側善—側之後表面向频後方向㉞,並可作為防止拔 出凸部.另外’於左卡合凸部件61與卡合凸部㈣目反之另— 侧的側部下端部,設㈣嫩之板f 65。板簧65縣施力部件 之-個實關亦可使„他元件作域力部件。社卡合凸部件 61之設置有板簧65的面(有時稱為第—面吣)上,設有反作用 力用以容設該板簣β5的彈簧收納部66。 如第12圖所示,右卡合凸部件71與左卡合凸部件61,除了 板簧之外’左右·相互對稱設置。即,右卡合凸部件Η於右側 之側面上設有卡合凸部72,於前表面設有卡合卫作凹部73,於後 表面設有防止咖㈣74。計合凸部件71讀簧75與左卡合 凸部件61之板簧65彼此呈上下相反設置於右卡合凸部件71之: 端部。板簣75為施力部件之_個實酬,亦可㈣其他元件作為 施力部件。於右卡合凸部件71設有板f ?5之面(有時稱為第二 面71a)上’設有反作用力用以容設前述板菁75之彈菁收納部i 之 如第9圖所示,左卡合凸部件61及右卡合凸部件71,當前述 左卡合凸部件61及右卡合凸部件71克服彼此所設置之板菁阳、 75的作用力後,令第-面6la及第二面仏相互面接觸時、,左卡 合凸部件61及右卡合凸部件71之寬度較卡合凸部件工作部5丨 寬度(腳部3的寬度)為短。 19 200903141 即卡合㈣62、72謝辦綱件工作 尺寸 卡合料仙及計合凸料71的寬度 成.8: I、及13圖所示,拔出凸部件81係由下列部:所構 ,·貝牙綱凸部件移動部53 t的拔 = 凸部件工作部51内的工作部肋。 …又置在卡合 拔出凸部82外觀係呈圓形 ㈣之直徑尺寸’且於轴向之長;=小於拔出凸部件移動 53之軸向長度。 & '車乂長於拔出凸部件移動部 拔出凸部82之前端面的下表面較佳係呈傾斜,工 =广3的後表面設有從中央部至 :: 方侧突出的兩個卡合工作凸部8 增向後 二狀’前述卡合,部84係分顺== 與 π 卩63 73之傾斜面被方式卡人,、 形成卡合工作凸部84及卡合工作凹部63、73。 〇 [刀別 拔出::合凸部件61、71 ’它們的卡合,部63心 之後表面側,面之間設置有兩個防止拔:: 20 200903141 如第8、9圖及14圖所示,陡L, 9。。之拔出卡合部92,其外觀大致呈91具有輯大約 釘邪螺合到安裝孔93中,可將防止姑φ將穿過通孔52的小螺 卡合凸部件工作部51内,當卡出部=91固定於腳部3之 部5U腳部3的_突出時,° °凸72從卡合凸部件工作 出凸部64、74愈防止拔出魏。 凸精61、71的防止拔 (、防止技出部件9ί的拔 凸部㈣之卡合工作凸部δ4分別與二92卡合,且拔出 合工作凹部63、73作卡 口口Η牛6卜71白勺卡 從卡合凸部件卡如卿、71不會 因此,前述一對卡合凸部件61、71的板審 並且透過相互作用的作用力,前述之—對卡合 才目互接觸’ 自朝彼此相反之方向施力,—對卡合凸部62口、72:'71將各 作顿腳部3的側面)突出,並且,此時,合凸部件工 71的各卡合工作凹部63、73與拔出凸部件。凸部件6卜 卡合,拔出凸㈣繼凸部件移動部53合=凸㈣ 出,此外,當使拔出凸部82向拔出凸部件 的刚表面)突 動並沒入時,拔出凸部件81被壓入至卡合=53内之方向移 卡合工作凹部63,沿著卡合工作凸部84=牛工作㈣内, 卡合凸部件61、71克服板簧65、75之作用、⑽移動’一對 接近的方向移動,左卡合凸部件61之第—面向前述兩者互相 a與右卡合凸部件 21 200903141 62、72沒入到腳 71之第二面71a接觸或接近,並且兩個卡合凸部 部3的側面内。 以下,係騎對本發明之原稿顯·罐置丨及辦公設備 的作用作說明。 如第i圖所示,在沒有制設備域u之狀態下,原稿堡板 12緊貼於設備主體n的原稿台玻璃上,並覆蓋遮蔽原稿台破璃, $要將原餘置_稿台玻璃上時,首先,握住原稿壓板η的盘 文裳原稿壓板開職置主體2之部位之另—侧的端部或接近前述 端部之位置等,將原稿壓板12向上純起,即,令原板12 Μ叙鏈鎖24為軸作轉動,使原稿台玻璃面露出成開放狀,在此使 7壓板!2轉動時,原稿壓板12透縮螺旋彈㈣之作用 耐向打開方向轉動施力,所以可在感覺不到重量的情況下向 打開方向轉動。 於露出之輸输塊纖,餘梅稿壓板Η ΓΙ’Γ令原稿12向與原稿台玻璃接觸的_方向以鉸鍵 =勒嚇,使耐橋嶋输麵,此時,若原 歹如為—張溥紙’則原稿壓板12僅以鉸鏈銷24為軸作 ㈣=稿壓板12而使原稿不會從原稿台玻璃上浮起並與原 ^貼,從而能夠良好地複印原稿等。 12轉本之厚度具有較大厚度的情況下,當令原纖 〇移動)時’在原稿驗12成為關閉狀態前,即, 22 200903141 在原稿壓板12成频設駐體的上表面(顧台麵)大致呈不 行狀態之前,原稿顧接觸原稿17 (如第3圖所示)之端部,在 與該原稿π之端部相反之另一側的端部與原稿壓板12之間形成 空間,即,原稿驗12與原稿壓板開閉裳置主體2相反之另〆侧 的端部呈洋起的狀態,將前述浮起_側之原稿壓板η向設備主體 11 一側按壓,或藉由原稿壓板12本身之重量,腳部3由安裝孔 15向拔出方向(上方)移動,原顧板開閉裝置主體2向上方移 動’並且原稿壓板12以鉸鏈銷24為轴作轉動,即,以覆蓋於原 稿17之上部的方式’自動調節原稿壓板開閉裝置主體2的高度使 原稿[板12作私動,如當该原稿17之上部為平坦面的情況下, 如第3圖所示’原稿壓板12與其上部面接觸,其結果為具有較大 厚度的原稿可穩定的緊貼於原稿台玻璃上,因此,原稿壓板12可 热視原稿之厚度令原稿穩定的緊軸原鮮玻璃上。 如此’當腳部3於安纽15内移動時,因於腳部3上設置有 可作轉動的滚珠4卜42,該滾珠4卜42與安裝孔15之前表面及 後表面抵接’故麵滾珠4卜42轉動可制且流暢進行腳部3的 移動即’無論腳部3如何移動,與安裝孔15之内壁抵接的滾珠 41、42皆會轉動,故可流暢的進行腳部3的移動,此外,當使原 稿壓板12向關閉方向轉動時,腳部3於高度方向的中央部接近上 方的前表面與安裝孔15之前表面側之壁面接觸,並且腳部3之下 方的後表面與女裝孔15之後表面側之壁面接觸,故透過於腳部3 23 200903141 與安裝孔15之壁面接觸的高度 下方的後表面分別設置滾珠仏/、中央部接近上方的前表面與 珠4!、42可穩固的與安裝孔15,於腳部3向上方移動時’滚 固且流暢地進行移動。 之壁面接觸’因此’腳部3可穩 在卜卡口凸邛62、72分別從腳部^之 卡合凸部62、72向安裝孔15 大出且則述 腳部3由安裝孔15拔出時, 文田要 由於卡合凸部62、72與卡合凹邱lfi 卡合(如第4A圖⑹及第犯 口 , u 所不),在使用辦公設借ln 之過程中,腳部3林會從安纽15被拔出。 在維叹等h況下,藉由原稿壓板 部3向後部側方向傾倒(如體24 之前表面的下方鱼対孔15 及⑷所不)’於是腳部3 〇〇 _ 、扃孔5之珂表面側之壁面抵接,並且拔出λ 部82之如端部與前述壁 銘㈣心 拔出凸部82向沒入拔出凸部件 ° 之方向移動,拔出凸部件81被壓 作部51内,卡合工作 卞。凸精工 菸動,ϋ人 ^ 3、73沿著卡合讀⑽84之傾斜面 移動 十卡5凸部件61、71克服;7R & 充服板貫65、乃之作用力而向相 t彳_,左私晴61 鱼右卡 合凸部件71的第二;71 wa,、右卡 a接觸或接近之狀態,並且兩個卡人凸 部62、72沒入至腳卹Q々田们卞口凸 ㈣士人Α "之側面内。因此,由於解除了卡合凸部62、 72與卡合凹部 使腳部3向安裂孔^出之,腳部3向後部側傾倒的狀態下 15拔出之方向作移動時,可將腳部3從安裝孔 24 200903141 15作拔出(如第4B圖(e)所示)。此外,由於腳部3之前表面的 下部作為斜度面3a,故能可穩固使拔出凸部件81與成安裂孔15 之土抵接,並能夠翻的將腳部3由安裝孔15中拔出。因此,由 於透過令腳部3向後部侧傾倒可將前述腳部3由安裝孔15中拔 出’故可容易的進行維護與部件等之更換。 此外,在將腳部3插設於安裝孔15中時,當將腳部3從前端 部插紗安裝孔15中時,由腳部3之兩勤突出的卡合凸部的、 72與安裝孔15之内_端部抵接。此時,由於卡合凸部⑽、打 的下方為傾斜面62a、72a,故可與腳部3的—起移動,卡合凸部 62 72克服板簧65、75之作用力而向沒入方向移動,因此能夠將 腳部3插設於安裝孔15内進行安裝。當向沒人方向移動之卡人凸 部62、72位於安裝孔15之卡合凹部16時,透過板菁阳飞口之 作^力卡口凸部62、72由腳部3的兩側部突出而與卡合凹部16 料。其結果為,透過將腳部3插設於安袭孔15中,能夠經原稿 壓板開閉裝置主體2將原稿壓板12簡單地設置於設備主體u上。 因此,可簡單地進行原稿愿板_裝置主體2及原_㈣的設 置與卸下之動作’而且組件數量減少、可達到降低成本之目的。 如上述本發明之實施舰明的原麵綱職置於腳部設有 可做滑動的球狀滑動部件並與安裝孔之内壁作滑動接觸,所以益 論插設於安裝孔中的腳部在絲孔崎上下方向如何移動與安裝、 孔之内壁抵接的球狀滑動部件皆會轉動,因此能夠穩固且流暢的 200903141 進行腳部的移動,故特別適用於影印機、印刷機、傳真機、掃描 器等辦公設備的原稿壓板開閉裝置。 【圖式簡單說明】 第1圖係為本發明原稿壓板之實施例之使用狀態,(a)原稿壓 板使用狀態俯視圖,(b)原稿壓板使用狀態側視圖。 第2圖係為本發明另一原稿壓板之實施例之使用狀態圖。 第3圖係為本發明另一原稿麗板使用狀態之一實施例侧視圖。 第4A圖係為本發明原稿壓板開閉裝置之-實施例,(a)係為 腳°卩插°又於女裝孔之正視圖,(b)係為卡合凸部與卡合凹部 卡合之狀態正視圖。 第4B圖係為本發明原稿壓板開閉裝置之一實施例,⑷係為 卡合凸部與卡合凹部卡合之狀_視圖,⑷係為原稿壓板 P幵1閉名置主體作動狀_示意側視圖,⑷係為將腳部由安裝 孔中拔出之狀態正視圖。 第5A圖係為本發明原稿壓板開閉裝置之一實施例,⑷原稿 ★壓板開閉裝置之正視圖,(b)原稿壓板開閉裝置之右視圖。 第5B圖係為本發明原稿壓板開閉裝置之一實施例,⑷原稿 壓板開閉裝置之後視圖,(b)原稿壓板開閉褒置之立體圖。 第6圖係為本發明第5A ® (a)之A-A方向剖視圖。 第7圖係為本發明第5A ® (a)之B-B方向剖視圖。 第/圖係為本發明第5A圖(a)之C-C方向剖視圖。 第9圖係為本發明實施例之卡合凸部沒入狀態之剖視圖。 26 200903141 :=為本發明安震部件之_貧施例,⑷ 體圓,⑻安裝部件之後視圖。 第廳圖係為本發明安裝部件之 圓,⑷沿請國之⑻μ方向剖視圖。蝴右視 別圖㈣本發财卡合凸部件之—實 部件之立體圖,⑻左卡合凸部件之俯視=凸 败正顧’⑷左卡合凸部件之右視圖,⑷左卡^ 部件之仰视圖。 卞口凸 第12圖係為本發明右卡合 件之立俨图⑴士上 (a)右卡合凸部 暑⑻奸合料叙舰目,㈦右卡合 之正侧,⑷右卡合凸部件之左棚,(e) = 件之仰視圖。 凸p 第13圖係為本發明卡合凸部之—實施例,⑷卡合凸部之立 ⑻卡合斷触圖,(。)卡蝴之右 卡合凸部之正視圖。 ) 為本:月安裝部件之一實施例,(a)安裳部件之立 -(b)女衣部件之俯視圖,(c)安裝部 安裝部件之右期。 正視圖’⑷ 【主要元件符號說明】 原稿壓板開閉裝置1 辦公設備10 設備主體11 27 200903141 原稿壓板12 安裝孔15 卡合凹部16 原稿17 原稿壓板開閉裝置主體2 基體部件21 底板21a 側板21b 轴孔21c 受壓銷孔21d 支撐部件22 上板22a 侧板22b 彈性部件支撐部22c。 安裝片22d 彈性部件23 壓縮螺旋彈簧23a 鼓鏈銷24 受壓銷25 凸輪滑動體26 腳部3 28 200903141 斜度面3a 第一滑動部件安裝孔31 滑動部件收納部31a 螺紋部31b 第一開口部31c 蓋體32 壓縮螺旋彈簧33 墊圈34 安裝孔35 收納部35a 螺紋部35b 第二開口部35c 蓋體36 壓縮螺旋彈簧37 墊圈38 滑動部件4 滚珠41 滚珠42 卡合構件5 卡合凸部件工作部51 通孔52 29 200903141 拔出凸部件移動部53 左卡合凸部件61 第一面61a 卡合凸部62 傾斜面62a 卡合工作凹部63 防止拔出凸部64 板簀65 彈簧收納部66 右卡合凸部件71 弟—面71 a 卡合凸部72 傾斜面72a 卡合工作凹部73 防止拔出凸部74 板簧75 彈簧收納部76 解除構件8 拔出凸部件81。 拔出凸部82 工作部83 200903141 卡合工作凸部84 防止拔出部件91 拔出卡合部92 安裝孔93 小螺釘95200903141 IX. OBJECTS OF THE INVENTION: 1. Field of the Invention The present invention relates to a "original platen opening and closing device", and more particularly to a method for printing a P-printer, a facsimile machine, a scanner, etc. What to do, from the Yang gambling (four) office equipment. ;b P machine Hp brush machine, fax machine, scanner, and other office equipment, the main body of the device i, etc. &<; the upper surface of the upper part of the main body 'through the original platen opening and closing device to make the "base", the plate can be opened or closed Mounted on it. The original platen opening and closing device is a kind of hinge mechanism which uses the _supporting miscellaneous to make it retractable around the hinge, so that the original platen can be pressed against the original platen on the device field, and when opened Sensitive to the original handle glass planting. In order to set the care on the original glass, 'to make the original drain plate turn upwards (to move the original panel to the direction of the original glass (sometimes purchased)) In order to expose (open) the original glass, after the original is placed on the original handle, the storage plate is rotated in the downward direction to close the original with the original platen pressed against the original glass, whereby the original can be pressed In the above-described original platen opening and closing device, there is known an original platen opening and closing device in which a document having a large thickness such as (4) is stably pressed against the upper surface of the apparatus main body, and the original platen is pressed. Opening and closing The device can be moved in the direction above or below the main body of the device (4) as described in the 'Patent Document υ. The original platen opening and closing device has a chat portion and extends toward the height of the device reading, and the remaining portion is disposed on the main body of the device. The opening and closing device of the original can be slid, and the original platen opening and closing device is mounted on the main body of the device and can be moved in the height direction of the main body of the device. The original platen opening and closing device described in Japanese Patent No. 3262457, the name of In the case of a dry original such as a lion, when the original is placed on the original glass and the original is pressed, the original pressing device moves the original pressing plate to the upper side of the apparatus main body (4). Covering the original platen glass in contact with the original surface, it is possible to stably (4) the original having a large thickness such as a book on the upper surface of the apparatus main body, and to prevent external light from entering the main body (10). In the case of the leg portion t of the original platen opening and closing device described in the above Patent Document 1, a rattle-shaped touchable roller material is provided, and the foot is placed at the foot. The moving part of the wire hole is rolled in the mounting hole, whereby the original platen is moved by the device (the foot is moved). However, the structure assumes that the direction of the crane of the foot is not the direction of the roller, and the position of the employee does not rotate. Therefore, the movement of the original platen opening and closing device ^2) cannot be smoothly solved. Furthermore, when the roller member is bent in the second way or the axis of the roller member is offset during use, the foot is moved. Since the roller does not rotate, there is still a case where the movement of the original document (foot portion) cannot be smoothly performed, and the movement thereof is difficult to proceed. [The present invention] The main object of the present invention is to provide a stable arrangement with the above-mentioned wheat. In order to solve the above-mentioned shortcomings of the prior art, a seventh type of original platen opening and closing device is provided, so that the foot portion can be moved on the device field of the original platen_200903141. For the above purpose, the pressure plate of the present invention The closing device system comprises the following components: an original pith board is opened, and the office equipment should be turned, the main body of the Laigong device is provided with at least a wire hole, and the miscellaneous pressure foot is inserted into the aforementioned mounting hole. The original platen_device-end is connected to the original platen, and the leg portion is provided with: a spherical sliding member and slidably contacting the inner wall of the mounting hole' and sliding toward the upper or lower side of the mounting hole The original platen is erected on the original platen device and is mounted on the office equipment with the platen by the upper platen (4), and can be opened and closed to make the original stable. On the above office equipment having the original M board. According to the present invention, the inner wall of the disk mounting hole is slidably contacted on the leg portion, and the foot portion inserted into the mounting hole moves in the upward or downward direction in the mounting hole, and the mounting hole The inner sliding member of the spherical member rotates, so that the foot can be moved stably and smoothly. In the original medullary plate opening and closing device of the present invention, it is preferable that the sliding member is provided at a front portion and a rear portion of the leg portion, and the position in the upper and lower directions is shifted. Further, in the document display apparatus of the present invention, it is preferable that the leg portion is provided with an engaging member ‘the engaging member has a card σ convex portion that is provided with the engaging recess portion of the mounting hole. Further, in the original document checking device 10 of the present invention, it is preferable that the engaging member has a hooking convex portion and a releasing member of the engaging domain state. Further, in the original platen opening and closing device of the present invention, it is preferable that the above-mentioned card's convex portion can be extended or unmanned on both sides of the foot (four), and is also oriented toward the protruding direction. The releasing member has a pulling-out convex portion which can be extended or immersed in the vicinity of the surface sin of the foot cypress, and is biased toward the protruding direction and the convex portion is in the direction When there is no direction _, the engaging convex portion is moved to white, and when the leg portion is tilted toward the rear side, the extraction convex portion comes into contact with the wall surface of the opening hole to form a movement in a direction of no one. Further, in the original platen opening and closing device of the present invention, it is preferable that the two engaging convex portions are respectively provided on the pair of engaging convex members, and the engaging convex members are The engaging convex member is movably supported in the width direction of the leg portion. The engaging convex member has: a biasing member that is in contact with each other, and the bayonet convex complement applies a force in a direction in which the leg protrudes; and a card Working recess, which is set above The engaging surface recess portion of the leg portion is spaced apart from each other when the engaging convex portion protrudes from the leg portion, and abuts each other when the engaging convex portion is not in the leg portion or The portion is disposed on the embossing convex member, and the protruding convex member is detachably read in the direction of the foot portion (10) and the rear direction, and the protruding convex member is provided with a jade convex portion, # When the engaging projections are engaged with the engaging portions 1 of the engaging projections as recesses, and the engaging recesses are separated, the protruding projections protrude from the leg portions, and the extraction projections are oriented toward the projections. No one moves in the direction of the above-mentioned foot _ 'The two needles are abutted or close to each other, and the above-mentioned engaging convex portion is immersed in the above-mentioned foot. 10 200903141 In addition, in order to achieve the above object, the original of the present invention The pressure plate opening and closing device invents that the foot inserted in the mounting hole moves in the mounting hole or in the lower side of the mounting hole, and the turtle is in a stable and smooth movement. The foot 4 is according to the present invention described above. City display tank, due to the movement of the earth moving parts and money _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 1 to 5B are an embodiment of the original platen opening and closing device of the present invention, and 3 is not the same as the apparatus main body of the original platen of the present invention. The original platen opening and closing device i is provided with the original platen 12, and the original platen 12 is η or closed with respect to the apparatus main body. The present invention is an embodiment of the office equipment iq, and there is a temple. (4) 'For example, it may be a photocopying machine, a printing machine, a facsimile machine, a scanner, etc., and the photocopying machine is a preferred embodiment of the present invention, but is not particularly limited. The door f詈1 reads the 1 2 3, 4, 5, 5β, the original platen of the present invention is opened and closed. The main body (4) of the office equipment 1G having the original platen 12 is provided with a mounting hole 15' in which the original is inserted. Press plate opening and closing device 200903141 'Set the foot 2 of the main body 2 and can be mixed The original platen opening and closing device main body 2 is bitten and placed with the original dust plate 12, and the original platen 12 is supported and mounted on the apparatus main body u by the original platen opening and closing device main body 2, and can be opened or closed with respect to the apparatus main body u. It is mainly provided with a spheroidal sliding member 4 on the leg portion 3 and is in sliding contact with the inner wall of the mounting hole 15. An original glass (not shown) is provided on the upper surface of the apparatus main body 11, and the original is pressed onto the cans by the original platen 丨2, and the original glass is shielded by the original contact. Mounting holes η extending in the up and down direction (or referred to as the height direction) are respectively provided at two $ in the vicinity of the rear end portion of the upper surface of the apparatus main body n. The mounting holes 15 are - rectangular recessed holes. Engaging recesses 16 are formed in the height direction on both side faces of the mounting hole 15. The length of the card in the height direction is not particularly limited. It can be set arbitrarily. The original platen has a base member & which is mounted on the device body 11 of the office equipment 10 through the leg portion 3; the H-terminal end of the branch member is rotatably mounted on the base member 21, and the other end The ampoule is mounted on the original platen 12, and the elastic member 23' is disposed between the knitting and the arranging member 22, and is biased toward the opening direction of the original pressing (4) so that the original = cover is provided in the standing body 11 The ridge_state or the surface is exposed to open. Refer to the 1, 2, 3, 4a, 4b, 4c, 4d, 4e, 5a, 5_, ^ 12 200903141 10a, 10b, l〇c, i〇d It is to be noted that the base member 21 is composed of the following members: the bottom plate 21a having the chat portion 3, and the side plates 21b extending from both side ends of the bottom plate 21a in a direction substantially perpendicular to the bottom plate 21a. The bottom plate 21a has a substantially rectangular shape, and a leg portion 3 extending downward from the lower surface is provided on a lower surface of the bottom plate 21a. The leg portion 3 is inserted into the mounting hole π of the apparatus main body u, and the original platen opening and closing device is provided. The main body 2 is disposed on the apparatus main body u. A shaft hole 2k penetrating the hinge pin 24 is provided on the side plate 21b. The front side plate 21b is located forward of the shaft hole 21c, and is provided with a pressure receiving pin hole 21d for allowing the pressure receiving pin 25 to pass therethrough. The pressure-receiving pin 25 is interposed between the elastic member 23 and the cam slider body %, and serves as a pressure-receiving member for abutting, and the pressure-receiving member is not limited to a pin such as the pressure-receiving pin 25, and may be a roller (for example, Pressure roller). The baffle member 22 is composed of the following components: as the upper plate of the top plate, the end portions of the upper plate 22a are respectively bent downward to be opposite to the upper side, and the two side plates 22b and the upper plate 22a are respectively The front end portion is bent downwardly at an angle of about 90° with respect to the upper plate. The elastic member supporting portion 22 is formed at an approximately central portion of the two side plates 22b, and is respectively provided with a mounting piece 22d and can be mounted through components such as screws. It is provided on the rear end side of the original collision plate 12. A shaft through hole (not shown) is provided at one end portion (front end portion) of the both side plates 22b. The sleeve is passed through the shaft through hole of the side plate 22b and the sleeve of the base member 21. The hole holes are aligned, and the hinge (10) is separated by a __man_hole 2k towel, and the support member 22 is pivoted on the base member 24 with 13 200903141 as the axis. The elastic member 23 is pressed against the original plate. In the present invention, the sweat is rotated and urged in a gimbal direction. Further, it is away from the orientation of the original table. 2^动_碰板12 In the present invention, the closing direction is to command the original platen 1 in the opposite direction to the opening direction.艎^ π± π ^ Alignment. 2 The original platen 12 approaches or fits when rotated The glass side and the county 23 are not particularly limited. For example, the compression coil spring 23a is housed in the support member 22 and is elastically coupled between the elastic member support portion 22c and the pressure receiving pin 25. The spiral-elastic--end-end system is on the elastic member support portion 22c, and the other end of the surface spiral-elastic-cylinder is not in the form of a syllabary The number of the compression coil springs 23a is not limited, and may be one or more than two. 26 is biased to abut against the pressure receiving pin 25. The leg portion 3 provided on the base member 21 has a rectangular shape when viewed from a plan view. The width of the leg portion 3 is preferably such that the mounting hole 15 is not provided with an engaging recess. Further, the width of the width of the leg portion 3 is preferably slightly longer than the length of the front and rear direction of the mounting hole 15 (between the width of the leg portion 3 and the width of the mounting hole 15). Gap 14 200903141 The size of the long) is better. But for the degree (long length) Although it is not particularly limited, the inch is preferred. The length of the long side direction (depth direction) of the button 15 is a short ruler. The slope face 3a is preferably formed obliquely below the j surface. The direction of the t-cut height direction In the case of the front and rear loading holes 31, the first sliding member that penetrates the front surface and the rear surface, respectively, the accommodating portion, such as the heart=the mounting hole 31, has a sliding member on the front surface side. The threaded portion 31 having a large diameter and having a screw hole is formed in the rear portion, and is divided into two sections in front and rear. The sliding diameter of the red sliding member is gradually reduced toward the front end portion. In other words, the straight diameter is the smallest diameter of the slewing storage portion 31a of the sliding opening portion (sometimes referred to as the first opening portion 3ic). In the sixth section, as shown in the above section, there is a sliding portion that can be rotated as shown in the above section; the diameter of the tr is smaller than that of the first opening (four) u, the ball of the noon 4 can be described as the ball 41 - the opening 31c and ^ C"," is smaller than the diameter of the sliding member accommodating portion 31a (except for the reduced diameter portion of the sliding member), and is formed to be slightly smaller than the diameter of the inner portion 3a of the portion 31a, and accommodates the bone-moving member. Storage d: The portion of the ball 41 can protrude from the first opening Yang. (7) The threaded portion of the moving element mounting hole 31 has the first moving member and the hole 31 after the insect body = the cover body 32, so that the 'body 32 is the first 200903141 A member that is closed on the surface side after the sliding member mounting hole 31 is a screwing member that is screwed to the screw portion 3, so that the ball 41 is accommodated in such a manner that it is not dropped by the first sliding member mounting hole μ. The first sliding member is mounted in the hole 31. Between the body 32 and the ball 41, a compression coil spring 33 as a biasing member is provided, and a fine spiral is provided between the compression coil spring 33 and the ball 41. The force of the spring 33, the portion of the ball 41 via the washer, such as from the first opening 3 When the leg portion 3 is inserted into the mounting hole 15, the ball 41 is in pressure sliding contact with the inner wall of the mounting bore 15. The material is shown in the height direction of the leg portion 3 as shown in Fig. 10A'. Bottom, the material _ square extension, and (4) through the front oblique as 3a and the rear surface of the disc-sliding member wire hole 35, the second sliding member wire hole 3 mounting hole 31 is arranged in the opposite manner, the second sliding member Mounting (10) = in the rear table _ The component accommodating portion 35a is smaller in diameter than the screw box provided in the thread groove of the front table, and forms two sections of different diameters in front and rear. The second rear of the receiving section (five) gradually becomes rearward. The opening portion of the side portion (the diameter of the mouth portion 35c is the smallest. For the opening, refer to Fig. 7, the inside of the component housing portion 35a, 42. As shown in the figure, the sliding structure of the second sliding member mounting hole is provided as The object member 4, the rotatable ball, and the smaller diameter of the sliding member housing ball 42 than the second opening portion 35c are larger than the diameter of the second opening portion 35c (excluding the second opening portion 35c and the reduced diameter portion). Slightly smaller than the sliding member housing portion 35a #diameter size, In a state of being accommodated in the sliding member housing portion 35a, a portion of the ball 42 can protrude from the second opening portion 35c. The cover portion 螺7 is screwed onto the screw portion 35b of the second sliding member mounting hole 35. The front side of the moon moving member mounting hole 35 is closed, and the cover body is a member to which the front surface of the first moving hole mounting hole 35 is placed, such as a screwing member screwed to the threaded portion. The ball 42 is accommodated in the second rib member wire hole 35 so as not to fall out from the second sliding member mounting hole 35. 13 is provided between the cover body 36 and the ball 42 as a force applying member. The compressed spiral spring 37' is provided with a gasket continent between the compression screw magazine 37 and the ball 42, and the portion of the ball 42 protrudes from the second opening portion 35c via the washer 38 by the force of the compression screw magazine 37. When the portion 3 is inserted into the mounting hole 15, the ball is in sliding contact with the inner wall of the mounting hole 15. The ball 42 projecting from the second opening portion 35c is in pressure sliding contact with the rear surface of the mounting hole 15, and the ball 41 projecting from the first opening portion 31c is in pressure sliding contact with the wire surface of the mounting hole 15, so that the leg portion 3 ( The main body of the original platen can be smoothly moved up and down in the direction of the shank. In addition, the engaging member 5 is preferably disposed on the front sill portion 3, and the engaging member 5 is detachably disposed on the mounting hole 15 The engaging convex portion H engaging member 5 that is engaged with the engaging recessed portion 16 preferably has a releasing member 8 that releases the engaging convex portion 62, 72 and the engaging concave portion 卡 in the state of engagement 17 200903141. The σ member 5 is particularly limited as long as it can be engaged with the engaging recess 16 and the card λ is released, and preferably has the following members: a pair of engaging convex members having the engaging projections 62, 72 61, 71, and the pull-out member (4) member 81 of the hoisting member 53 as a structural element in the releasing member 8. The month 8 to 10B ® 'shown below the height direction of the leg portion 3 as shown in the figure If it is closer to the slope than the sloped surface, it is provided with a width direction (left and right direction) a and a ride on the surface. The convex portion working portion 51, the engaging convex portion working portion 51 has a convex shape protruding from the front surface side when viewed from the side, and two through holes 52 are formed at the rear portion of the engaging convex 乍5 51, the foregoing The through hole μ is disposed in a symmetrical manner centering on the central portion in the width direction. The convex (four) end portion and the chronological side of the H engaging convex member working portion 51 are formed so that the protruding convex member moving portion 53 penetrates, and The engaging convex part W=: convex: the working part 51 is 'movable and movable, and the protruding part (4) is provided: the convex part working part 51 and the protruding part shaft part 53 are pulled out and can be moved. In Fig. 11, the assembly member 61 and the projection projection 7 are formed by a left engagement, and the left side of the left engagement projection 61 is: === (-_ is formed and As the inclined surface 62=rm is turned to the middle_the lower tilting machine right gold+person h is in the left side of the left side of the left engaging convex part, and the front side has the opposite side end side and the inclined side is inclined. The recess 18 is 200903141 63, and the cross section of the engaging working recess 63 is a triangle. The surface of the left card (10) 61 is opposite to the engaging convex portion 62. - the rear surface of the side is in the direction of the rear direction 34, and can be used as a way to prevent the convex portion from being pulled out. In addition, the lower end portion of the side portion of the left engaging convex portion 61 and the engaging convex portion (four) and the other side is provided with a (four) tender board f 65. The leaf spring of the 65-counter force-applying part can also make the „he element as the regional force component. The social-engagement convex part 61 is provided with the surface of the leaf spring 65 (sometimes referred to as the first surface 吣) The spring receiving portion 66 for accommodating the plate 篑β5 is provided with a reaction force. As shown in Fig. 12, the right engaging convex member 71 and the left engaging convex member 61 are left and right except for the leaf spring. The symmetrical arrangement is provided, that is, the right engaging convex member is provided with a engaging convex portion 72 on the side of the right side, a snap-fit concave portion 73 on the front surface, and a preventer (four) 74 on the rear surface. The read hinge member 71 and the leaf spring 65 of the left engaging convex member 61 are disposed opposite to each other in the up-and-down direction of the right engaging convex member 71: the end portion. The plate cymbal 75 is a utilitative component of the force-applying component, and (4) other components are used as the force-applying component. The right engaging convex member 71 is provided with a surface of the plate f?5 (sometimes referred to as the second surface 71a). The reaction force is provided to accommodate the elastic accommodating portion i of the sapphire 75 as shown in FIG. As shown in the figure, the left engaging convex member 61 and the right engaging convex member 71, when the left engaging convex member 61 and the right engaging convex member 71 overcome the force of the plates, 75, and When the surface 61a and the second surface are in surface contact with each other, the widths of the left engaging convex member 61 and the right engaging convex member 71 are shorter than the width of the engaging convex member working portion 5 (the width of the leg portion 3). 19 200903141 That is, the engagement (4) 62, 72, the size of the working piece, the width of the snap-in material and the projection 71, are shown in Fig. 8: I and 13, and the protruding part 81 is composed of the following parts: The pull-out of the convex-part moving part 53 t of the bei tooth is the working part rib in the convex part working part 51. ...and the snap-in projection 82 has a circular (4) diameter dimension and is axially long; = less than the axial length of the pull-out male member movement 53. & 'The rut is longer than the lower surface of the end face before the male part is pulled out and the convex part 82 is pulled out, and the rear surface of the work 3 is provided with two cards protruding from the center to the side: The working convex portion 8 is extended to the rear of the second shape 'the aforementioned engagement, and the portion 84 is divided into the right and the inclined surface of the π 卩 63 73 is inserted into the manner, and the engaging working convex portion 84 and the engaging working concave portion 63, 73 are formed. . 〇 [Knife pull out:: the convex parts 61, 71 'they are engaged, the part 63 is on the back side of the heart, and there are two preventions between the faces: 20 200903141 As shown in Figures 8, 9 and 14 Show, steep L, 9. . The pull-out engaging portion 92 has an outer appearance of substantially 91 and is screwed into the mounting hole 93, so as to prevent the small screw from passing through the through hole 52 into the working portion 51 of the convex member. When the carding portion=91 is fixed to the portion 5U of the leg portion 3, the protrusion 72 is prevented from pulling out the protrusions 64 and 74 from the engaging convex member. The engagement preventing projections δ4 of the projections 61 and 71 are respectively engaged with the two projections 92, and the engagement recesses 63 and 73 are extracted as the bayonet yak 6 The card of the card 71 is not engaged with the convex part of the card, such as the singularity, 71, so that the aforementioned pair of engaging convex parts 61, 71 are subjected to the trial and the interaction force is transmitted, and the aforementioned - the engagement is in contact with each other. 'The force is applied in the opposite direction to each other—the opening of the engaging projection 62, 72: '71 is the side of each of the legs 3), and at this time, the engaging work of the male member 71 The recesses 63, 73 are pulled out of the male member. The male member 6 is engaged with the male member (4), and the convex member moving portion 53 is combined with the convex portion (four), and when the pulling convex portion 82 is protruded from the rigid surface of the protruding convex member, it is pulled out. The male member 81 is pressed into the direction-shifting engagement recess 63 in the engagement=53, and the engaging convex members 61 and 71 overcome the action of the leaf springs 65 and 75 along the engaging working projection 84=the cow work (4). (10) moving 'moving in a pair of directions, the first face of the left engaging convex member 61 facing each other a and the right engaging convex member 21 200903141 62, 72 are not in contact with or close to the second face 71a of the foot 71 And the two are engaged in the side surface of the convex portion 3. Hereinafter, the action of the manuscript display, the can, and the office equipment of the present invention will be described. As shown in the figure i, in the state where the equipment domain u is not provided, the original fortune board 12 is in close contact with the original glass of the apparatus main body n, and covers the shadow of the original platen, and the original remaining_document plate When the glass is placed on the glass, first, the end portion of the portion of the main body 2 that holds the original platen n is opened or the position close to the end portion, and the original platen 12 is raised upward, that is, The original plate 12 is rotated about the shaft, so that the glass surface of the original plate is exposed to an open shape, and 7 press plates are made here! When the 2nd rotation is rotated, the original platen 12 is splayed by the spiral projectile (4). The rotation force is applied in the direction of opening, so that it can be rotated in the opening direction without feeling the weight. In the exposed piece of fiber, Yu Mei manuscript plate Η Γ 'ΓOrder manuscript 12 to the _ direction of the contact with the original glass with the hinge key = to scare, so that the bridge resistance to the face, at this time, if the original is as - In the sheet-fed paper, the original platen 12 is made only by the hinge pin 24 (four) = the platen 12 so that the document does not float from the platen glass and is attached to the original plate, so that the original or the like can be satisfactorily copied. When the thickness of the 12-turn document has a large thickness, when the fibril is moved, 'before the original inspection 12 is turned off, that is, 22 200903141 is formed on the upper surface of the original platen 12 (the mesa) Before the document is substantially in a non-existent state, the original portion of the original document 17 (as shown in FIG. 3) forms a space between the end portion on the other side opposite to the end portion of the original π and the original platen 12, that is, The original inspection 12 is in a state in which the end portion on the other side opposite to the original platen 2 is opened, and the original platen η on the floating side is pressed toward the apparatus main body 11 side, or by the original platen 12 The weight of the foot 3 is moved by the mounting hole 15 in the pulling-out direction (upward), the original plate opening and closing device main body 2 is moved upward, and the original pressing plate 12 is rotated by the hinge pin 24, that is, to cover the original. The manner of the upper portion of the 17' automatically adjusts the height of the original platen opening and closing device main body 2 so that the original [plate 12 is privately moved, such as when the upper portion of the original 17 is a flat surface, as shown in Fig. 3, the original pressing plate 12 The upper surface is in contact, and the result is The original having a large thickness can be stably attached to the original glass, and therefore, the original pressing plate 12 can heat the thickness of the original to make the original stable on the original glass. Thus, when the foot 3 moves in the Annu 15 , the leg 3 is provided with a rotatable ball 4 42 which abuts the front surface and the rear surface of the mounting hole 15 The rotation of the ball 4 can be performed smoothly and smoothly, that is, regardless of how the foot 3 moves, the balls 41 and 42 that abut against the inner wall of the mounting hole 15 are rotated, so that the foot 3 can be smoothly performed. Further, when the original platen 12 is rotated in the closing direction, the front surface of the leg portion 3 in the central portion in the height direction is in contact with the wall surface on the front surface side of the mounting hole 15, and the rear surface below the leg portion 3 is The wall surface of the rear surface side of the women's hole 15 is in contact with each other. Therefore, the front surface and the bead 4 which are close to the upper side of the center portion are respectively provided through the rear surface below the height at which the leg portion 3 23 200903141 is in contact with the wall surface of the mounting hole 15, The 42 can be stabilized and mounted to the mounting hole 15 to 'roll and move smoothly as the leg 3 moves upward. The wall surface is in contact with each other, so that the leg portion 3 can be stabilized at the tab hole 62, 72, respectively, from the engaging projections 62, 72 of the leg portion to the mounting hole 15, and the leg portion 3 is pulled out by the mounting hole 15 At the time of the exit, Manda is required to engage with the engaging projections 62, 72 and the engaging recesses (as in Fig. 4A (6) and the first murder, u), in the process of using the office loan ln, the foot 3 Lin will be pulled out from Annuo 15. In the case of the sigh, etc., the original platen portion 3 is tilted toward the rear side (such as the fish hole 15 and (4) below the front surface of the body 24), and then the foot 3 〇〇 _ and the 扃 5 The wall surface on the front side abuts, and the end portion of the λ portion 82 is pulled out and the embossing portion 82 is moved in the direction in which the convex portion 82 is pulled out, and the protruding member 81 is pressed into the pressing portion 51. Inside, the engagement work 卞. The convex precision smokes, the monks ^ 3, 73 move along the inclined surface of the snap reading (10) 84 to move the ten-card 5 convex parts 61, 71 to overcome; 7R & fill the board 65, the force is toward the phase t彳_ , the left private clear 61 fish right snap the convex part 71 of the second; 71 wa, the right card a contact or close state, and the two card person convex parts 62, 72 immersed in the foot shirt Q 々田卞口Convex (four) scholars Α " inside the side. Therefore, when the engaging convex portions 62 and 72 and the engaging concave portion are released, the leg portion 3 is pushed out to the piercing hole, and the leg portion 3 is moved in the direction in which the leg portion 3 is pulled out toward the rear side, and the leg portion can be moved. 3 Pull out from the mounting hole 24 200903141 15 (as shown in Figure 4B (e)). Further, since the lower portion of the front surface of the leg portion 3 serves as the sloped surface 3a, the protruding convex member 81 can be stably abutted against the soil of the blackened hole 15, and the leg portion 3 can be pulled out from the mounting hole 15 . Therefore, since the leg portion 3 can be pulled out from the mounting hole 15 by tilting the leg portion 3 toward the rear side, maintenance and replacement of components and the like can be easily performed. Further, when the leg portion 3 is inserted into the mounting hole 15, when the leg portion 3 is inserted into the yarn mounting hole 15 from the front end portion, the engaging projection portion 72 and the two protrusions of the leg portion 3 are attached. The inner end of the hole 15 abuts. At this time, since the engaging convex portion (10) and the lower surface of the punching are the inclined surfaces 62a and 72a, they can move together with the leg portion 3, and the engaging convex portion 62 72 overcomes the force of the leaf springs 65 and 75 and is immersed. Since the direction is moved, the leg portion 3 can be inserted into the mounting hole 15 for mounting. When the cardholder projections 62, 72 moving in the direction of no one are located in the engaging recesses 16 of the mounting hole 15, the two sides of the leg portion 3 are formed by the convex mouth projections 62, 72 of the transmissive plate It protrudes and engages with the recessed portion 16. As a result, the document platen 12 can be easily placed on the apparatus main body u via the original platen opening and closing device main body 2 by inserting the leg portion 3 in the anchor hole 15. Therefore, the operation of setting and unloading the original document plate_the main body 2 and the original _(4) can be easily performed, and the number of components can be reduced, and the cost can be reduced. As described above, the original aspect of the invention is provided with a spherical sliding member that can be slid and placed in sliding contact with the inner wall of the mounting hole, so that the foot inserted in the mounting hole is The ball-shaped sliding parts that move in the up-and-down direction of the wire hole and the mounting and the inner wall of the hole rotate, so that the stable and smooth 200903141 can move the foot, so it is especially suitable for photocopiers, printing machines, fax machines, Original platen opening and closing device for office equipment such as scanners. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a view showing a state of use of an embodiment of the original platen of the present invention, (a) a plan view of the use state of the original platen, and (b) a side view of the state in which the original platen is used. Fig. 2 is a view showing a state of use of an embodiment of another original platen of the present invention. Fig. 3 is a side view showing an embodiment of another manuscript use state of the present invention. 4A is an embodiment of the original document plate opening and closing device of the present invention, wherein (a) is a front view of the foot and a female eyelet, and (b) is a snap fit and a snap recess. The status of the front view. 4B is an embodiment of the original document plate opening and closing device of the present invention, wherein (4) is a state in which the engaging convex portion and the engaging concave portion are engaged, and (4) is a document pressing plate P幵1 closed and the main body is actuated. The side view, (4) is a front view of the state in which the foot is pulled out of the mounting hole. Fig. 5A is an embodiment of the original platen opening and closing device of the present invention, (4) original document ★ front view of the platen opening and closing device, and (b) right side view of the original platen opening and closing device. Fig. 5B is an embodiment of the original platen opening and closing device of the present invention, (4) a rear view of the original platen opening and closing device, and (b) a perspective view of the original platen opening and closing device. Fig. 6 is a cross-sectional view taken along the line A-A of Fig. 5A (a) of the present invention. Fig. 7 is a cross-sectional view taken along the line B-B of Fig. 5A (a) of the present invention. Fig. 5 is a cross-sectional view taken along line C-C of Fig. 5A (a) of the present invention. Fig. 9 is a cross-sectional view showing the state in which the engaging convex portion is immersed in the embodiment of the present invention. 26 200903141 := is a poor example of the Anzhen component of the invention, (4) body circle, (8) rear view of the mounting component. The hall picture is the circle of the mounting part of the invention, and (4) is a sectional view in the (8) μ direction of the country. The right view of the picture (4) The three-dimensional view of the solid part of the fortune card, (8) the left side of the convex part of the convex part = the convexity of the right side of the (4) left-handed convex part right view, (4) left card ^ part of Bottom view. The 12th figure of the mouthpiece is the vertical diagram of the right snap part of the present invention. (1) The upper (a) right-handed convex part of the summer (8) is the material of the ship, (7) the right side of the right snap, (4) the right side of the joint The left shed of the convex part, (e) = the bottom view of the piece. Fig. 13 is a front view of the engaging convex portion of the present invention, (4) the engaging convex portion (8) engaging and breaking contact diagram, and (.) the right locking engaging convex portion of the card. ) Basic: One embodiment of the monthly mounting component, (a) the standing of the Anshang component - (b) the top view of the female clothing component, (c) the mounting section, the right phase of the mounting component. Front view '(4) [Description of main component symbols] Original platen opening and closing device 1 Office equipment 10 Equipment main body 11 27 200903141 Original platen 12 Mounting hole 15 Engagement recess 16 Original 17 Original platen opening and closing device main body 2 Base member 21 Base plate 21a Side plate 21b Shaft hole 21c Pressed pin hole 21d Support member 22 Upper plate 22a Side plate 22b Elastic member support portion 22c. Mounting piece 22d elastic member 23 compression coil spring 23a drum chain pin 24 compression pin 25 cam slider 26 leg portion 3 28 200903141 slope surface 3a first sliding member mounting hole 31 sliding member housing portion 31a screw portion 31b first opening portion 31c cover 32 compression coil spring 33 washer 34 mounting hole 35 housing portion 35a threaded portion 35b second opening portion 35c cover body 36 compression coil spring 37 washer 38 sliding member 4 ball 41 ball 42 engaging member 5 engaging convex member working portion 51 through hole 52 29 200903141 Pulling out convex member moving portion 53 Left engaging convex member 61 First surface 61a engaging convex portion 62 inclined surface 62a engaging working concave portion 63 preventing extraction of convex portion 64 plate 箦 65 spring accommodating portion 66 right Engagement convex member 71 Younger face 71 a Engagement convex portion 72 The inclined surface 72a engages the working concave portion 73. The convex portion 74 is prevented from being pulled out. The leaf spring 75 is spring-retained portion 76. The releasing member 8 pulls out the convex member 81. Pull out the convex portion 82 Working portion 83 200903141 Engagement working convex portion 84 Preventing the pull-out member 91 Pulling out the engaging portion 92 Mounting hole 93 Screw 95