TWI721866B - Retaining wall holder - Google Patents
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- TWI721866B TWI721866B TW109113184A TW109113184A TWI721866B TW I721866 B TWI721866 B TW I721866B TW 109113184 A TW109113184 A TW 109113184A TW 109113184 A TW109113184 A TW 109113184A TW I721866 B TWI721866 B TW I721866B
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Abstract
本發明乃係有關一種擋水牆架座,其至少包括有固定座、活動座及壓迫座,其中,固定座用以固定位於建築物上,固定座與活動座二者結合後,可操作活動座進行與固定座作展開或蓋合,當活動座可與固定座進行蓋合後,可完全貼靠於建築物上,使本發明平時可不佔空間及影響建築物之美感,而欲與用於建築物物擋水用之擋水閘門板組立時,可操作活動座與固定座作展開,當活動座展開後即與固定座形成一可供擋水閘門板置入之空間,再配合壓迫座之組立壓制即可迅速與擋水閘門板完成組合。 The present invention relates to a retaining wall frame seat, which at least includes a fixed seat, a movable seat and a compression seat, wherein the fixed seat is used to be fixed on a building, and the fixed seat and the movable seat can be operated and moved after the combination of the fixed seat and the movable seat The base is expanded or closed with the fixed base. When the movable base can be covered with the fixed base, it can be completely attached to the building, so that the present invention does not occupy space and affect the beauty of the building. When the water-retaining gate plate of the building is assembled, the movable seat and the fixed seat can be operated to expand. When the movable seat is unfolded, it will form a space for the water-retaining gate plate to be placed in the fixed seat, and then cooperate with the compression The assembly and pressing of the seat can quickly complete the assembly with the water retaining gate plate.
Description
本發明乃係有關一種擋水牆架座,特別是針對用於與建築物擋水用之擋水閘門板達可快速組裝及拆卸之一種擋水牆架座。 The present invention relates to a retaining wall mount, and particularly to a retaining wall mount that can be quickly assembled and disassembled for a water retaining gate plate used for retaining water in a building.
目前市面已有開發出一種用以克服淹水現象之防洪用擋水牆裝置,如〔圖1〕、〔圖2〕所示,習知擋水牆裝置1主要包括有二裝設於牆面之主體軌道11,以及設置於該二主體軌道11間之複數個閘板12,其中主體軌道11係為一側形成有一中空槽道之結合槽道111,該結合槽道111中一側邊設有一防水條112另一側設有一壓制件113,該壓制件113並結合有複數個栓桿114,主體軌道11上方並另再設置有縱向壓迫機構13。
At present, a retaining wall device for flood control has been developed in the market to overcome flooding. As shown in [Figure 1] and [Figure 2], the conventional
使用時,首先將主體軌道11與預先固定於牆面之卡柱14結合之,並將複數個閘板12依序置入於主體軌道11之結合槽道111中,接著透過縱向壓迫機構13施予壓力將各個閘板12下壓,使每一閘板12下方之防水片121被更壓制而迫緊,進而達到各個閘板12間達到緊密之效果,再經操作栓桿114以驅動壓制件113對閘板12進行橫向之壓迫,使各個閘板12與主體軌道11之防水條112達到良好之緊密效果。
When in use, first combine the
上述習知擋水牆裝置1雖已具擋水之效果,但壓迫機構13
操作將各個閘板12下壓,使每一閘板12下方之防水片121被壓制迫緊係透過螺旋方式為之,另外多個栓桿114以驅動壓制件113對閘板12進行橫向壓迫之作業時亦為透過螺旋方式為之,該壓迫機構13及栓桿114皆以螺旋方式操作,實務操作上有些稍嫌緩慢,若遇淹水過於快速的話,顯有增加危險之虞。
Although the above-mentioned conventional water
本發明乃係有關一種擋水牆架座,其主要乃在克服習知之擋水牆應用操作時,組裝速度過慢以至於有危險之虞。 The present invention relates to a retaining wall mount, which is mainly used to overcome the risk of danger when the assembling speed is too slow when the conventional retaining wall is applied and operated.
為達上述發明目的,本發明提供一種擋水牆架座。本發明擋水牆架座至少包括有固定座、活動座及壓迫座; To achieve the above-mentioned object of the invention, the present invention provides a water retaining wall bracket. The water retaining wall frame seat of the present invention at least includes a fixed seat, a movable seat and a compression seat;
其中,固定座為一直立條柱狀而固定位於建築物上,該固定座具一固定面,該固定座設有具止封功效之止水條,固定座具一第一環狀槽道,固定座並再具一延伸超出第一環狀槽道位置之翼板,該翼板之端邊面形成有一第二環狀槽道,翼板相對於固定面方向形成有一止擋體,另外,固定座沿其周邊及上、下端面具複數個螺孔,且於上端面設有第一孔洞及平板面近上端處設有第二孔洞;活動座為直立式之板體用以與固定座相結合,活動座具一主板體,主板體一末端具一垂直之端邊板,該端邊板末端形成一圓柱狀之圓柱體,主板體並於超出端邊板處形成設一延伸段,於該延伸段末端一側形成一凸出之肋部,主板體之另一端形成一相垂直之凸出部,主板體相對應於端邊板之該端邊具一側邊板,且該側邊板於近主板體之上端形成一鏤空段;壓迫座具一面板體、二側面板、迫緊件以及驅動件,面板體一側面上、下處具成相對應之上勾體及下勾體,迫緊件置於二側面 板間之下方處,其二端並各經一定位桿穿入樞設之,驅動件中央處具孔洞,驅動件位於迫緊件上方處,其二端乃分別樞設於二側面板中。 Wherein, the fixing seat is a straight column and is fixed on the building, the fixing seat has a fixing surface, the fixing seat is provided with a sealing strip with a sealing effect, and the fixing seat has a first annular channel, The fixing seat further has a wing plate extending beyond the position of the first ring-shaped channel, the end surface of the wing plate is formed with a second ring-shaped channel, and the wing plate is formed with a stopper relative to the direction of the fixing surface. In addition, The fixed seat has a plurality of screw holes along its periphery and upper and lower ends, and is provided with a first hole on the upper end surface and a second hole near the upper end of the plate surface; the movable seat is an upright plate body to be in contact with the fixed seat In combination, the movable seat has a main plate body, one end of the main plate body has a vertical end plate, the end of the end plate forms a cylindrical cylinder, and the main plate body is formed with an extension section beyond the end plate. A protruding rib is formed on one side of the end of the extension section, and the other end of the main plate body is formed with a perpendicular protruding part. The main plate body has a side plate corresponding to the end edge of the end plate, and the side edge The board forms a hollow section near the upper end of the main board body; the compression seat has a panel body, two side panels, a pressing part and a driving part, and the panel body has a corresponding upper hook body and a lower hook body on one side and the lower part. , The pressing piece is placed on the two sides Below the board, the two ends of each are inserted into the pivot via a positioning rod, the center of the driving member is provided with a hole, the driving member is located above the pressing member, and the two ends are respectively pivoted in the two side panels.
本發明之應用功效乃在於,本發明擋水牆架座主要用於與建築物上擋水用之擋水閘門板相組立應用,其中固定座與活動座二者結合後,可操作活動座進行與固定座作展開或蓋合;當活動座展開後即與固定座形成一可供擋水閘門板置入之空間,再配合壓迫座之組立壓制即可迅速與擋水閘門板完成組合,藉以抵擋淹水減少損失,當平時不用時,卸下壓迫座後活動座亦與固定座進行蓋合之動作,使活動座與固定座二者相互貼合,進而完全貼合於建築物上,使其不佔空間及影響建築物之美感。 The application effect of the present invention is that the water retaining wall mount of the present invention is mainly used for assembly application with the water retaining gate plate for water retaining on the building, wherein the fixed seat and the movable seat can be combined to operate the movable seat. Unfold or cover with the fixed seat; when the movable seat is unfolded, it will form a space with the fixed seat for the sluice gate plate to be inserted, and then cooperate with the compression seat to press the assembly to quickly complete the combination with the sluice gate plate, thereby Resist flooding and reduce losses. When not in use, the movable seat will also cover the fixed seat after the compression seat is removed, so that the movable seat and the fixed seat are attached to each other, and then fully attached to the building. It does not occupy space and affect the beauty of the building.
(習知) (Acquaintance)
1:擋水牆裝置 1: Water retaining wall device
11:主體軌道 11: main track
111:結合槽道 111: Combine Channel
112:防水條 112: Waterproof strip
113:壓制件 113: pressed parts
114:栓桿 114: bolt
12:閘板 12: Ram
121:防水片 121: waterproof sheet
13:壓迫機構 13: oppressive institutions
14:卡柱 14: card column
(本發明) (this invention)
2:固定座 2: fixed seat
21:固定面 21: Fixed surface
211:翼板 211: Wing Board
212:第二環狀槽道 212: The second ring channel
213:止擋體 213: Stop Body
22:槽道 22: Groove
23:止水條 23: Waterstop
24:平板面 24: flat surface
241:第一環狀槽道 241: The first ring channel
25:螺孔 25: screw hole
26:第一孔洞 26: The first hole
27:第二孔洞 27: second hole
28:上蓋板 28: Upper cover
281:穿孔 281: piercing
282:鎖孔 282: keyhole
29:下底板 29: Lower bottom plate
291:鎖孔 291: Keyhole
292:缺口部 292: Notch
293:凸起部 293: Bulge
3:活動座 3: movable seat
31:主板體 31: Motherboard body
32:端邊板 32: end board
33:圓柱體 33: Cylinder
34:延伸段 34: Extension
35:肋部 35: ribs
36:凸出部 36: Protruding part
37:側邊板 37: side panel
371:鏤空段 371: hollow section
4:壓迫座 4: Compression seat
41:面板體 41: Panel body
411:上勾體 411: upper hook body
412:下勾體 412: lower hook
42:側面板 42: side panel
43:迫緊件 43: Urgent Parts
431:定位桿 431: Positioning Rod
432:彈簧 432: Spring
433:底面 433: Bottom
44:驅動件 44: drive parts
441:孔洞 441: hole
5:擋水閘門板 5: Water retaining gate plate
6:操作工件 6: Manipulate the workpiece
A:螺絲 A: Screw
〔圖1、2〕係習知擋水牆裝置示意圖。 [Figure 1, 2] is a schematic diagram of a conventional retaining wall device.
〔圖3〕係本發明中固定座及活動座分解圖。 [Figure 3] is an exploded view of the fixed seat and the movable seat of the present invention.
〔圖4〕係本發明中固定座及活動座組合示意圖。 [Figure 4] is a schematic diagram of the combination of the fixed seat and the movable seat in the present invention.
〔圖5〕係本發明中壓迫座分解圖。 [Figure 5] is an exploded view of the compression seat of the present invention.
〔圖6〕係本發明組立示意圖。 [Figure 6] is a schematic diagram of the assembly of the present invention.
〔圖7、8〕係本發明中固定座及活動座展開、蓋合之活動示意圖。 [Figures 7, 8] are schematic diagrams of the movement of the fixed seat and the movable seat in the present invention when they are deployed and closed.
〔圖9〕係本發明中固定座、活動座及壓迫座組合剖面示意圖。 [Figure 9] is a schematic cross-sectional view of the combination of the fixed seat, the movable seat and the compression seat in the present invention.
〔圖10、11〕係本發明與擋水閘門板相組立後之剖面示意圖。 [Figure 10, 11] is a schematic cross-sectional view of the present invention and the water retaining gate plate assembled.
〔圖12、13〕係本發明經操作工件壓迫擋水閘門板之作動示意圖。 [Figures 12, 13] are schematic diagrams of the operation of the present invention by operating the workpiece to compress the water-retaining gate plate.
本發明之擋水牆架座主要用於與建築物上擋水用之擋水閘
門板5相組立而應用之,其實施上係以二本發明擋水牆架座分別固定於建築物之二側,以供擋水用之擋水閘門板5之二端相配合置入組立之,而為便於說明以下有部份僅以一本發明擋水牆架座解釋說明之,惟以下所述者,僅為本發明之較佳實施例而已,當非用以限定本發明,任何所屬技術領域中具有通常知識者,在不脫離本發明之精神和範圍內,大凡依本發明申請專利範圍及專利說明書內容所作之簡單的等效變化與修飾,皆仍屬本發明專利之範圍內,合先敘明。
The retaining wall holder of the present invention is mainly used for retaining water gates on buildings
The
首先,敬請參閱如〔圖3〕、〔圖4〕、〔圖5〕所示,本發明之擋水牆架座至少包括有固定座2、活動座3及壓迫座4;
First of all, please refer to [Figure 3], [Figure 4], [Figure 5], the retaining wall bracket of the present invention at least includes a fixed
其中,如〔圖3〕、〔圖4〕所示,該固定座2為一直立條柱狀而具可固定位於建築物上之固定面21,該固定面21之相對面具一槽道22,該槽道22設有一具彈性止封功效之止水條23,槽道22一側邊形成有一平板面24,該平板面24與固定面21二者間之端邊並具一第一環狀槽道241,固定面21並再具一延伸超出第一環狀槽道241位置之翼板211,該翼板211之端邊面形成有一第二環狀槽道212,翼板211相對於固定面21方向形成一凸出狀之止擋體213,另外,固定座2沿其周邊及上、下端面具複數個螺孔25,且於上端面設一第一孔洞26及平板面24近上端處設有第二孔洞27,以及;
Among them, as shown in [Fig. 3] and [Fig. 4], the fixing
上蓋板28用以固定於固定座2上端處,具一與固定座2之第一孔洞26相對應之穿孔281,以及複數個鎖孔282;
The
下底板29用以固定於固定座2下端處,其具複數個鎖孔291,其具一缺口部292,其一側端端緣上方形成一凸起部293,該
凸起部293並係由一端起以漸增方式向上形成之。
The
活動座3乃為直立式板體而用以與固定座2相結合,其中,活動座3具一平板狀之主板體31,該主板體31一末端側面具一相垂直於主板體31之端邊板32,該端邊板32末端並形成一圓柱狀之圓柱體33,主板體31並於超出端邊板32處形成一延伸段34,並於該延伸段34末端一側形成一凸出之肋部35,主板體31之另一端側面形成一凸出部36,主板體31相對應於端邊板32之該端邊具一側邊板37,且該側邊板37於近主板體31之上端形成一鏤空段371;
The
如〔圖5〕所示,壓迫座4具一面板體41、與該面板體41二側相連接之二側面板42、迫緊件43以及驅動件44,其中,面板體41之一側面上、下處各具一成相對應之上勾體411及下勾體412,迫緊件43置於二側面板42間之下方處,其二端並各經一定位桿431穿入樞設之,該定位桿431上方並設有彈簧432,迫緊件43之底面433進一步成向內凹之弧面狀,且較佳者該底面433成其外緣較低而內緣較高之弧面狀體;驅動件44概略成剖面為橢圓形之塊狀體,其中央處具孔洞441,驅動件44位於迫緊件43上方處,其二端乃分別樞設於二側面板42中。
As shown in [Figure 5], the
本發明組合時,敬請參閱〔圖3〕、〔圖4〕、〔圖5〕及〔圖6〕所示,首先,固定座2將先與下底板29結合,其中,利用複數個螺絲A經下底板29之各鎖孔291鎖固於固定座2下端面之各螺孔25,並令下底板29之缺口部292對應於固定座2之槽道22,並將固定座2之止水條23裝設固定於槽道22中,該止水條23則將恰凸伸出
下底板29之缺口部292處,遂可使固定座2、止水條23與下底板29三者結合固定;將固定座2之固定面21經施工固定於建築物上,實施時該固定面21並可使成具粗糙化之表面,以有利提高固定座2與建築物結合緊密效果;
When the present invention is combined, please refer to [Figure 3], [Figure 4], [Figure 5] and [Figure 6]. First, the fixing
將活動座3與固定座2相結合,利用活動座3之圓柱狀之圓柱體33穿入於固定座2之第一環狀槽道241中;接著,再將上蓋板28固定於固定座2上方,其中先將上蓋板28之穿孔281對應於固定座2之第一孔洞26位置,再利用複數個螺絲A經上蓋板28之各鎖孔282鎖固於固定座2上端面之螺孔25中,而使上蓋板28與固定座2二者結合固定之,結合後該上蓋板28之穿孔281將與固定座2之第一孔洞26成相通之狀。
The
本發明平時不用時可持活動座3之凸出部36使之蓋合於固定座2上,如〔圖4〕、〔圖8〕所示;其中,經組合後的固定座2與活動座3二者中,該活動座3將因其圓柱狀之圓柱體33與固定座2之第一環狀槽道241相配合之故,使該活動座3得以其圓柱體33為中心做如活頁般的擺動;於是,當活動座3以其圓柱體33朝固定座2之止水條23方向蓋合時,如〔圖7〕所示;隨著活動座3的擺動,活動座3之主板體31下緣將漸接觸到固定座2之下底板29的凸起部293,而因該凸起部293係由一端起以漸增方式向上形成之狀,故主板體31碰觸到凸起部293後將會隨之略為向上頂起,隨後當活動座3之主板體31下緣超出固定座2之凸起部293處時,該活動座3將會自然下沉,此時活動座3之主板體31下緣反而落下於固定座2的凸起部293之內,如此
活動座3將被固定座2的凸起部293所限制而定位,進而使該活動座3不至於任意再反向擺動,另一方面,活動座3蓋合於固定座2上後,該活動座3之側邊板37將覆蓋住固定座2的側邊,且該側邊板37上端之鏤空段371並恰容置上蓋板28之側邊部,如此使固定座2與活動座3完全貼合於建築物上,使其不佔空間及影響建築物之美感。
The present invention can hold the protruding
承上,當欲使用時,首先,可持活動座3之凸出部36使之反向擺動,而為使活動座3之擺動較為順利,操作時,可將活動座3略提高,以使活動座3之下端緣輕易越過固定座2之下底板29的凸起部293,實施時,該活動座3整體高度應略小於固定座2之高度,且進一步與固定座2上方之上蓋板28保有一間隙,如此一來,活動座3即具可被略為提高之空間,且較佳者,活動座3下端緣提高越過固定座2之下底板29的凸起部293時,該活動座3上端緣將接近或恰抵至於固定座2之上蓋板28處,如此使活動座3提升高度亦受到固定座2之上蓋板28所限制;當活動座3擺動至與固定座2成垂直狀時,活動座3之延伸段34則將恰受固定座2之止擋體213頂抵,以有助於活動座3與固定座2二者之定位及其定位後之穩固性,同時,活動座3該凸出之肋部35恰嵌入於固定座2之第二環狀槽道212中,實施時,該肋部35與第二環狀槽道212二者之尺寸乃可使其具一合適程度之緊密配合,進一步使活動座3得以與固定座2具良好之固定位效果;
Continuing, when you want to use, first of all, you can hold the protruding
如〔圖8〕、〔圖9〕所示;當活動座3擺動至與固定座2成垂直狀時,藉由活動座3之主板體31、側邊板37及固定座2三者即恰構成一空間,而隨著活動座3及固定座2設計之高度,將使活動座3之
主板體31、側邊板37及固定座2構成之空間形成一具可容置複數個擋水閘門板5堆疊組立之空間,且實施時,固定座2之止水條23外緣至活動座3之側邊板37處之距離與擋水閘門板5之寬度恰成緊密之配合狀;
As shown in [Figure 8] and [Figure 9]; when the
於是,如〔圖9〕、〔圖10〕、〔圖11〕所示;操作上可由上往下一一將複數個擋水閘門板5置入於本發明活動座3之主板體31、側邊板37及固定座2構成之空間中,最後將壓迫座4之上勾體411穿經上蓋板28之穿孔281而勾扣於固定座2上端第一孔洞26之中,而壓迫座4之下勾體412則同時勾扣平板面24近上端處之第二孔洞27,使壓迫座4固定於固定座2上,此時活動座3之側邊板37之鏤空段371即恰對應於壓迫座4,如此使該壓迫座4得以顯露出而不被遮蔽,接著,如〔圖12〕、〔圖13〕所示;取一操作工件6伸入驅動件44之孔洞441中,並操作該操作工件6向下轉動,而因驅動件44為一橢圓形之塊狀體,於是,隨著驅動件44的轉動,驅動件44將會漸壓制於迫緊件43上,使該迫緊件43壓迫於擋水閘門板5上緣,當驅動件44持續被轉動後,迫緊件43將逐漸加壓於擋水閘門板5上,進而使各擋水閘門板5間更為緊密,而足以使各擋水閘門板5間因緊密而不至於滲水,再者,迫緊件43之底面433乃成向內凹之弧面狀,且底面433進一步使其外緣較低而內緣較高之狀,故當迫緊件43漸壓迫於擋水閘門板5上時,該擋水閘門板5將會順勢被帶動向內部略為傾斜,如此,將有助於擋水閘門板5與固定座2之止水條23間之緊密度,再加上本發明固定座2之止水條23外緣至活動座3之側邊板37距離與擋水閘門板5之寬度恰成緊密之配合狀,故當使本發明擋水牆架座與各擋水閘門板5組立
後具擋水之效果。
Thus, as shown in [FIG. 9], [FIG. 10], [FIG. 11]; in operation, from top to bottom, a plurality of water-retaining
反之,當使用完畢後,只要再次持操作工件6伸入驅動件44之孔洞441中,並操作該操作工件6向上轉動即使驅動件44不再對迫緊件43施壓,同時在藉助於壓迫座4之彈簧432作用,將可使驅動件44輕易轉動,如此將可快速解除驅動件44對迫緊件43的壓迫,進而令壓迫座4釋放對擋水閘門板5形成之迫緊力,接著再將壓迫座4自固定座2上卸下,再將各擋水閘門板5依序自本發明擋水牆架座中取出,最後則再如前述般,將活動座3蓋合於固定座2上即可。
On the contrary, after use, just hold the
本發明藉由上述結構所能產生之功效乃在,本發明擋水牆架座主要用於與建築物上擋水用之擋水閘門板5相組立應用,其中固定座2與活動座3二者結合後,可操作活動座3進展開或蓋合;當活動座3展開後即與固定座2形成一可供複數個擋水閘門板5設置之空間,再配合壓迫座4之組立壓制即可迅速與該擋水閘門板5完成組合,藉以抵擋淹水減少損失,當平時不用時,卸下壓迫座4後活動座3亦與固定座2進行蓋合之動作,使活動座3與固定座2二者相互貼合,進而完全貼合於建築物上,使其不佔空間及影響建築物之美感。
The effect that the present invention can produce by the above structure is that the water retaining wall bracket of the present invention is mainly used for assembly applications with the water retaining
綜上所述,本發明擋水牆架座確實可達改善習知者之缺失並達到所訴求之目的,顯已較習知者增進功效,而具有新穎性、實用性及進步性之要件,爰依法提出發明專利之申請,祈請 貴審查官之詳鑑,惠賜為准予專利之審定,至感德便。 In summary, the water retaining wall mount of the present invention can indeed improve the deficiencies of the acquaintances and achieve the desired purpose, obviously has improved efficacy compared with the acquaintances, and has the requirements of novelty, practicability and advancement. I filed an application for a patent for invention in accordance with the law. I would like to ask your examiner for a detailed review. I would like to grant you the approval of the patent.
2:固定座 2: fixed seat
22:槽道 22: Groove
23:止水條 23: Waterstop
24:平板面 24: flat surface
27:第二孔洞 27: second hole
28:上蓋板 28: Upper cover
281:穿孔 281: piercing
29:下底板 29: Lower bottom plate
293:凸起部 293: Bulge
3:活動座 3: movable seat
31:主板體 31: Motherboard body
36:凸出部 36: Protruding part
37:側邊板 37: side panel
371:鏤空段 371: hollow section
4:壓迫座 4: Compression seat
41:面板體 41: Panel body
411:上勾體 411: upper hook body
412:下勾體 412: lower hook
42:側面板 42: side panel
43:迫緊件 43: Urgent Parts
431:定位桿 431: Positioning Rod
432:彈簧 432: Spring
433:底面 433: Bottom
A:螺絲 A: Screw
Claims (11)
Priority Applications (1)
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TW109113184A TWI721866B (en) | 2020-04-20 | 2020-04-20 | Retaining wall holder |
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TW109113184A TWI721866B (en) | 2020-04-20 | 2020-04-20 | Retaining wall holder |
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TWI721866B true TWI721866B (en) | 2021-03-11 |
TW202140911A TW202140911A (en) | 2021-11-01 |
Family
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TW (1) | TWI721866B (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4836345A (en) * | 1987-03-25 | 1989-06-06 | Hunter Douglas Inc. | Clutch system for gear drive |
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2020
- 2020-04-20 TW TW109113184A patent/TWI721866B/en active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4836345A (en) * | 1987-03-25 | 1989-06-06 | Hunter Douglas Inc. | Clutch system for gear drive |
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