TWM243092U - Elevating platform for computer screen - Google Patents
Elevating platform for computer screen Download PDFInfo
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- TWM243092U TWM243092U TW92216472U TW92216472U TWM243092U TW M243092 U TWM243092 U TW M243092U TW 92216472 U TW92216472 U TW 92216472U TW 92216472 U TW92216472 U TW 92216472U TW M243092 U TWM243092 U TW M243092U
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M243092 、創作說明(1) 〔新型領域 本創作 動上升或下 等進步效益 〔先前技術 由於電 公司及政府 腦,然因出 被偷走或被 成保管上的 〔新型内容 本案創 乃研發完成 述缺失者, 樞接一可作 座’ 一滑板 調整機構, 板上升或下 操控,而又 本案之 藉以操控電 防夾等進步 以下茲 件及其具體 於一種電腦螢 電腦螢幕之操M243092 、 Creation (1) [In the new field, the creation of this creative movement will rise or inferior progress benefits. [The previous technology was stolen or saved due to the power company and the government ’s brain. For those who are missing, a hinge can be used as a seat, a slide adjustment mechanism, the board is raised or lowered, and the use of this case to control the electric anti-clip and other improvements to the following and its specific operation of a computer screen
幕升降機台,藉以達到自 控’而又兼具防盜、防夾 般公 桌(或 往往不 露的含 共事務辦公場合如學校、 電腦桌)上大多配置有電 特定,以致於電腦螢幕常 間袍常會附著灰塵,而造The screen lift table is self-controlling, and it also has anti-theft, anti-clip-like public tables (or often unlisted office work places such as schools, computer desks) that are mostly equipped with electrical specificity, so that the computer screen is often robes Dust often adheres to
一種電 降隱藏 習式缺 ,詳細 诸多缺失, 藉以解決前 一主軸機構 固結一基 連動一牽引 ,隨著該滑 電腦螢幕之 升降機台 達到防盜A kind of electric drop hidden habit is lacking in detail, so as to solve the former main shaft mechanism, consolidate one base, and move one traction. With the elevator platform of the computer screen, the anti-theft is achieved.
第5頁 M243092 參閱第一 係安裝於 大於電腦 具有略大 置口 1 1 其本體2 體2 1 2 成本創作 閱第二至 主軸機構 箱體2内 升降滑移 其了員部之 四、創作說明(2) 首先請 機台A,其 口 1 1約略 2上端周緣 能蓋合於容 而在箱體2 1,可供釘 1 2 ,以完 請再參 之頂部以一 2 ^並於該 座4作上下 裝於滑板6 下降,其中 該箱體 開口可受一 軸孔2 2 1 段設有一缺 該基座 3、4 〇 4 0 4略高於 之下段橫設 桿 4 1、4 之間的導桿 所示,本創 1之容置口 降機台A之 置口 1 1之 ’並形成箱 側板2 1 0 將箱體2釘 1之安裝。 示,本創作 一可作掀開 基座4,一 動一牵引調 腦螢幕升降 ,且此容置 ,並使箱體 1 3,以使 位之支撐, 枢接孔2 1 體1之侧板 於一箱 之蓋板2 可沿著該基 5,可使安 6作上升或 f ’其本體2 1 1板2 2之蓋合 T #主軸機構3 ° 2 2 2 ; 4 ’係一四周設 之座體4 0,並 4 Λ右兩侧壁4 二隔板4 0 5、 3、敏向穿設固結 4 2 ’其桿體4 、二圖 一桌體 螢幕升 於該容 之外緣 1之前 穿過並 與桌體 七圖所 3極接 固結一 ,並連 電腦螢 作之電 1 1内 箱體2 凸緣2 體2定 上設有 結於桌 其主要 及蓋合 滑板6 整機構 幕7,隨著該滑板 2 為一中空之箱體,其頂部為一 ’而該蓋板2 2之底緣橫設一 穿入,且在該轴孔2 2 1之中 有側壁 4 0 1、4 〇 2、4 〇 使其上、下兩侧壁4 〇 3、4 、402,且在座體4〇 4 0 6,並以二對應平行之滑 ,一平灯於二滑桿4 1、4 3 2 〇上係具有外螺紋,且該導Page 5 M243092 See the first series installed on larger than the computer with a slightly larger opening 1 1 its body 2 body 2 1 2 cost of creation read the second to the main shaft mechanism box 2 slide up and down its staff member Fourth, creation instructions (2) First, please ask machine A. Its mouth 1 1 is about 2 and the upper edge of the upper end can fit in the container. The box 2 1 can be nailed 1 2. To finish, please refer to the top with a 2 ^ and place in the seat. 4 is mounted on the slide 6 down, in which the opening of the box can be supported by a shaft hole 2 2 1 section is provided with a lack of the base 3, 4 0 4 0 4 slightly higher than the lower section of the horizontal bar 4 1, 4 As shown by the guide bar, the receiving port of the original 1 is lowered to the receiving port 11 of the machine A and the side plate 2 1 0 of the box is formed. It can be seen that this work can be used to lift the base 4 and move the traction brain screen up and down, and accommodate this, and make the box 1 3 to support the position, the pivot hole 2 1 the side plate of the body 1 on The cover 2 of a box can be moved along the base 5 so that the An 6 can be raised or f 'its body 2 1 1 The cover 2 of the plate T 2 spindle mechanism 3 ° 2 2 2; 4' is a peripheral design The seat body 4 0, and 4 Λ the right two side walls 4 the two partitions 4 0 5, 3, 3, and the penetrating consolidation 4 2 'the rod body 4, the second picture and the table body screen rise above the outer edge of the volume 1 Passed before and connected with the 3 poles of the 7th table of the table, and connected to the computer. 1 1 Inner box 2 Flange 2 The body 2 is fixed with a table and its main body and cover slide 6 The whole mechanism curtain 7, as the slide plate 2 is a hollow box, its top is a ', and the bottom edge of the cover plate 2 2 is penetrated horizontally, and there is a side wall 4 in the shaft hole 2 2 1 0 1, 4 〇2, 4 〇 make its upper and lower side walls 4 〇3, 4, 402, and in the seat 404 06, and parallel slide with two corresponding, a flat light on the two sliders 4 1 , 4 3 2 〇 has external threads, and the guide
M243092 四、創作說明(3) 桿4 2的上端可穿套於一国定於侧壁4 0 3之定位套4 2 4的軸孔4241内,'其下端具有一凸緣421及一連動 片422 ,且該連動片42 2係牙過隔板4〇5之穿孔4 0 5 1銜套於一連結件4 5之上軸孔4 5 1,並受一螺絲 4 5 6鎖入螺孔4 5 3之固定,另該連結件4 5之下軸孔 4 5 2則銜套一穿過隔板4 〇 6穿孔4 0 6 1之馬達4 6 主軸4 6 1 ,並受一螺絲4 5 7鎖入螺孔4 5 4之固定, 而該馬達4 6上具有螺孔4 6 2,可供螺絲4 〇 4 2穿過 側壁4 0 4穿孔4 〇 4 1加以鎖入固定,而位於基座4其 本體4 0之一側壁4 〇 1的上、下段各設有至少一條以上 之長條孔4011、4〇12,可供一微動開關47、4 8之鎖結定位;M243092 4. Creation instructions (3) The upper end of the rod 4 2 can be sleeved in the shaft hole 4241 of the positioning sleeve 4 2 4 of the country determined on the side wall 4 0 3, 'the lower end of which has a flange 421 and a linking piece 422 And the linking piece 42 2 is a perforation 4 0 5 1 that passes through the partition plate 4 0 5 and is sleeved on a connecting member 4 5 on the shaft hole 4 5 1 and locked by a screw 4 5 6 into the screw hole 4 5 The 3 is fixed, and the shaft hole 4 5 2 below the connecting member 4 5 is a sleeve sleeve which passes through the partition plate 4 0 6 perforated 4 0 6 1 motor 4 6 main shaft 4 6 1 and is locked by a screw 4 5 7 The screw holes 4 5 4 are fixed, and the motor 4 6 has screw holes 4 6 2 for screws 4 〇 2 2 to pass through the side wall 4 0 4 perforations 4 〇 4 1 to be locked and fixed, and is located at the base 4 The upper and lower sections of one of the main walls 40 of the main body 40 are provided with at least one elongated hole 4011, 4012, which can be used for positioning of a micro-switch 47, 48;
該滑板6,其頂部具有 31 ,可供電腦螢幕7之安 側下段具有一上支座6 1及 及一下支座6 2上則對應穿 滑板6之上下滑移,而導桿 上、下支座61、62之螺 座6 1之側緣凸設有一上止 緣亦凸設有一下土塊6 2 1 2 2具有一螺孔6 2 3 ; 该牽引調整機構5,係、 2、一固定轉螺53、一管 6、一彈簧5 7及一固定螺 一斜面6 3其上具有鎖結孔6 裝鎖結固定,且該滑板6之内 一下支座62,該上支座61 套該二滑桿4 1、4 3,以利 4 2亦平行對應穿弓丨鎖合於 孔(圖中未標示),另該上支 塊6 1 1,而下支座6 2之侧 及一凸塊622,且該凸塊6 由一三角座5 1、一拉繩5 形螺栓54、二華司55、5 帽5 8所組成,且該三角座5The top of the skateboard 6 has 31, and the lower section of the safe side of the computer screen 7 is provided with an upper support 6 1 and a lower support 6 2 which slide downwards through the slide 6 and the upper and lower guide rods. The side edge of the screw seat 6 1 of the seats 61 and 62 is convexly provided with an upper stop edge and also a lower soil block 6 2 1 2 2 having a screw hole 6 2 3; the traction adjustment mechanism 5 is a system 2 and a fixed rotation Screw 53, a tube 6, a spring 5 7 and a fixed screw with a beveled surface 6 3 are provided with a locking hole 6 for locking and fixing, and within the slide plate 6 is a lower support 62, and the upper support 61 sets the two Slide bars 4 1 and 4 3, so that 4 2 also parallel to the bow 丨 locked in the hole (not shown in the figure), the upper support block 6 1 1 and the lower support 6 2 side and a convex block 622 And the projection 6 is composed of a triangular base 5 1, a drawstring 5 bolt 54, two washers 55, 5 cap 5 8, and the triangular base 5
M243092 勾、創作說明(4) 1係為一呈三角形 1 ,且該片體5 1 10中央設有一長 5 1 2可供拉繩5 5 2 0自長條孔5 6 2 3、固定轉螺 5 7 、華司5 6 , 螺絲5 8 2鎖入螺 則鎖合該固定轉螺 2 3内; 該主軸機構3 1上緣之軸孔B 1 且在前端具有一缺 1卡入定位,而扭 2之側緣,且該桿 具有穿孔3 1 2 , 體2 1之側壁固定 [實施方式] 藉由上述元件 者按下上昇開關( 主軸4 6 1經由連 合之上、下支座6 作用,迫動滑板6 短而變鬆,蓋板2 之片體5 1 0,其上設有一固定孔5 1 〇具有一容置空間5 1 2 ,並於片體5 條孔5 1 3,該三角座5 1之容置空間 2之圓形頭5 2 1容置限位,並使繩體 13穿出,依序穿過凸塊622之螺孔 53、管形螺栓54、華司55、彈簧 其尾端則穿過一固定螺帽5 8,並以一 孔5 8 1加以固定,而該管形螺栓5 4 5 3後,並鎖入於凸塊6 2 2之螺孔6 ,係一桿體31穿套於箱體2其本體2 、B2間,其一端可穿套一扭簧32 , 槽313,可供扭簀32之卡入端32 簧3 2之長腳端3 2 2則卡於缺口 2 2 體31之尾端具有一侧板311,其上 可供一螺栓3 3穿鎖固定於箱體2其本 孔 2 1 4。 之組合,當欲使用電腦螢幕7時,使用 圖中未揭示)以驅動馬達4 6正轉,其 結件4 5連動導桿4 2旋轉,使與其螺 1 、6 2之螺孔(圖中未揭示)因螺旋 往上滑移,此時拉繩5 2因移位距離變 2不再受其牵引掣約,同時又受扭簧3 «M243092 Hook, creation instructions (4) 1 is a triangle 1 and the piece 5 1 10 is provided with a length 5 1 2 in the center for pulling rope 5 5 2 0 from the long hole 5 6 2 3. Fixed turn screw 57, Washer 56, and the screw 5 8 2 is locked into the fixed turn screw 23; the shaft hole B 1 at the upper edge of the spindle mechanism 3 1 has a missing 1 snap-in position at the front end, and Twist the side edge, and the rod has a perforation 3 1 2, the side wall of the body 2 1 is fixed. [Embodiment] By pressing the up switch (the main shaft 4 6 1 through the upper and lower supports 6), The sliding plate 6 is forced to become short and loose, and the plate body 5 1 0 of the cover plate 2 is provided with a fixing hole 5 1 〇 having an accommodation space 5 1 2 and 5 holes 5 1 3 in the plate body. The triangle The circular head 5 2 1 of the accommodation space 2 of the seat 5 1 accommodates the limit position and passes the rope body 13 through the screw hole 53 of the projection 622, the tubular bolt 54, the washer 55, the spring The tail end passes through a fixing nut 5 8 and is fixed with a hole 5 8 1, and the tubular bolt 5 4 5 3 is then locked into the screw hole 6 of the projection 6 2 2. The rod body 31 is inserted between the body 2 and the body 2 of the box body 2 and one end thereof A torsion spring 32 and a slot 313 can be put on, and the snap-in end 32 of the torsion 32 can be fitted. The long leg end 3 2 2 of the spring 32 can be clipped to the notch 2 2 and the rear end of the body 31 has a side plate 311 on which A bolt 3 3 can be locked and fixed to the main hole 2 1 4 of the case 2. When the computer screen 7 is intended to be used, use not shown) to drive the motor 4 6 forward rotation, and its knot 4 5 The guide rod 4 2 is rotated to cause the screw holes (not shown in the figure) of the screw rods 1 and 6 2 to slide upward due to the spiral. At this time, the pulling rope 5 2 is no longer subject to its traction due to the shift distance 2. At the same time subject torsion spring 3 «
幕7上昇到達定位時,恰為 觸到微動開關4 7之位置, 第九圖所示);又當不使用 2内時,使用者按下下降開 &轉’迫動滑板6往下滑 變化而緊拉蓋板2 2 ,由於 ’ I得蓋板2 2受牵引而蓋 時’恰為下止塊6 2 1碰觸 斷電源停止馬達作動(如第 2作動距離的適當,可如第 4咬合於凸塊6 2 2其螺孔 固定拉繩5 2尾端的位置, 之設計,由於扭簧3 2係常 的牵引而將蓋板2 2蓋合, 抵消,加上牽引調整機構5 衝,使得蓋板2 2的蓋合力 不小心夾到手亦不會被夾傷 本創作其箱體2更可設一箱 第一、二圖所示),以作為 控電腦螢幕自動上升或下降 與管理更為安全,同時又兼 M243092 α、創作說明(5) 2彈力而向上掀開,當電腦螢 上支座6 1之上止塊6 1 1碰 而切斷電源停止馬達作動(如 電腦螢幕7欲將其隱藏於箱體 關(圖中未揭示)以驅動馬達 移’此時拉繩5 2因移位距離 其拉力遠大於扭簧3 2之彈力 合’又當電腦螢幕7降至定位 到微動開關4 8之位置,而切 十圖所示)。 又本創作為了控制拉繩5 八圖一般藉著調整管形螺栓5 6 2 3的深淺及固定螺帽5 6 來調整其作動的距離長度。 此外’本創作具有防夾手 態向外掀開,當受到拉繩5 2 因有部分力量被扭簧3 2反向 之彈簧5 7具有牵引距離的緩 量變得較為緩慢與輕巧,即使 (如第Η 圖所示);同時, 門2 1 5及一鎖孔2 1 6 (如 維修門及防盜之用。 綜上所陳,本創作具有操 隱藏之便利性,而使電腦保管 ΦWhen the screen 7 rises and reaches the position, it is just the position where the micro switch 4 7 is touched, as shown in the ninth figure); when it is not used, the user presses the down switch & The cover 2 2 is pulled tightly, because “I get the cover 2 2 under traction and cover” is just the bottom stop block 6 2 1 touches the power supply to stop the motor (if the second operating distance is appropriate, it can be as in the fourth It engages in the position of the tail end of the pull rope 5 2 with the screw hole of the projection 6 2 2. The design is to cover the cover 2 2 with the torsion spring 3 2 for normal traction. Make the cover 2 2's closing force accidentally caught in your hands and not be pinched. In this case, the box 2 can be set with a box (shown in the first and second pictures), as a computer screen to automatically rise or fall and manage more. For safety, at the same time, M243092 α, creative instructions (5) 2 elasticity and lifted upwards, when the computer screen on the support 6 1 above the stop block 6 1 1 touch and cut off the power to stop the motor (such as the computer screen 7) Hide it in the box (not shown in the figure) to drive the motor to move 'At this time, the pulling force of the rope 5 2 due to the displacement distance Is greater than the elastic force of the torsion spring 32 of the engagement 'and 7 when the computer screen down to locate the position 48 of jog switch, and cut as shown in FIG ten). In order to control the drawstring 5 and 8, this drawing generally adjusts the operating distance by adjusting the depth of the tubular bolt 5 6 2 3 and the fixed nut 5 6. In addition, 'this creation has an anti-pinch hand opening outwards. When the pull rope 5 2 is partially twisted by the torsion spring 3 2 and the reverse spring 5 7 the traction distance becomes slower and lighter, even if (such as Figure Η); At the same time, the door 2 15 and a keyhole 2 1 6 (for maintenance of doors and anti-theft. In summary, this creation has the convenience of handling and hiding, so that the computer keeps it Φ
第9頁 M243092 g、創作說明(6) 具防盜、防夾等進步效益者 ΙΗΗ 第10頁 M243092 圖式簡單說明 〔圖式說明〕 第 第 圖 圖 第三圖 第四圖 第五圖 第六圖 第七圖 解圖。 第八圖 第九圖 第十圖 ,本創作之立體實施例圖。 糸本創作之立體内部構造圖。 :士?作其蓋板與主軸機構之局 孫太2作其蓋板與主軸機構之局i為丨體分解圖 #太/作其基座之局部立體分解圖^見作動圖 係本創作其導桿上端與固 係本創作其牵引調整機構與下支圖。 係本創作其牵引調整機構之作動示意圖。 係本創作其電腦螢幕上昇之作動圖。 係本創作其電腦螢幕下降之作動圖。 第十一圖,係本創作其蓋板防夾手之作動示意圖。 〔圖號說明〕 分 電腦螢幕升降機台 桌體 1 侧板 12 本體 2 1 框接孔 2 1 1 釘體 2 12 固定孔 214 鎖孔 2 16 軸孔 2 2 1 主轴機構 3 容置口 1丄 箱體 2 前側板 21〇 凸緣 箱門 蓋板 缺口 桿體Page 9 M243092 g, Creative Instructions (6) Those with progressive benefits such as anti-theft, anti-pinching, etc. Page 10 M243092 Simple explanation of the drawings [Illustration of the drawings] Figure 3, Figure 4, Figure 5, Figure 6, and Figure 6 The seventh diagram. The eighth figure, the ninth figure, and the tenth figure, are three-dimensional embodiments of this creation. A three-dimensional internal structure drawing created by Takimoto. : Taxi? Make the cover of the cover and the main shaft mechanism Sun Tai 2 Make the cover of the cover and the main shaft mechanism i is the body exploded view # 太 / make a partial three-dimensional exploded view of its base ^ see the top of the guide bar He Guxian created its traction adjustment mechanism and the next branch map. This is a schematic diagram of the action of this traction adjustment mechanism. This is an animation of the rise of the computer screen. This is an animation of the fall of the computer screen. The eleventh figure is the action diagram of the cover's anti-pinching hand. [Illustration of drawing number] Sub-computer screen lifter table body 1 side plate 12 body 2 1 frame connection hole 2 1 1 nail body 2 12 fixing hole 214 lock hole 2 16 shaft hole 2 2 1 spindle mechanism 3 receiving port 1 box Body 2 Front side plate 21〇 Flange box door cover notch lever body
第11頁 M243092 圖式簡單說明 侧 板 3 1 1 穿 孔 缺 D 3 1 3 扭 簧 卡 入 端 3 2 1 長 腳 端 螺 栓 3 3 基 座 4 座 體 側 壁 4 0 1 4 0 2 4 0 3 長 條 孔 4 0 1 1 4 0 1 2 隔 板 4 0 5 4 0 6 穿 孔 4 0 4 1 4 0 5 1 4 滑 桿 4 1 4 3 導 桿 4 2 桿 體 連 動 片 4 2 2 定 位 套 轴 孔 4 2 4 1 連 結 件 上 軸 孔 4 5 1 下 軸 孔 螺 孔 4 5 3 4 5 4 螺 絲 4 5 6 > 4 5 7 4 6 2 馬 達 4 6 主 軸 微 動 開關 4 7 4 8 牵 引 調整 機構 5 二 角 座 片 體 5 1 0 固 定 孔 容 置 空間 5 1 2 長 條 孔 拉 繩 5 2 繩 體 圓 形 頭 5 2 1 固 定 轉 螺 管 形 螺栓 5 4 華 司 3 12 3 2 3 2 2 4 0 4 0 4 4 2 0 4 2 4 4 5 4 5 2 4 0 4 2 4 6 1 5 11 5 13 5 2 0 5 6Page 11 M243092 Schematic description of the side plate 3 1 1 Perforated missing D 3 1 3 Torsion spring snap-in end 3 2 1 Long foot bolt 3 3 Base 4 Side wall of the base 4 0 1 4 0 2 4 0 3 Hole 4 0 1 1 4 0 1 2 Partition 4 0 5 4 0 6 Perforated 4 0 4 1 4 0 5 1 4 Slider 4 1 4 3 Guide 4 4 Rod link 4 2 2 Positioning sleeve shaft hole 4 2 4 1 Upper shaft hole 4 5 1 Lower shaft hole 4 5 3 4 5 4 Screw 4 5 6 > 4 5 7 4 6 2 Motor 4 6 Spindle micro switch 4 7 4 8 Traction adjustment mechanism 5 Diagonal seat Sheet body 5 1 0 Fixing hole accommodation space 5 1 2 Long hole rope 5 2 Rope round head 5 2 1 Fixed turn screw bolt 5 4 Washer 3 12 3 2 3 2 2 4 0 4 0 4 4 2 0 4 2 4 4 5 4 5 2 4 0 4 2 4 6 1 5 11 5 13 5 2 0 5 6
第12頁 M243092 圖式簡單說明 彈 簧 5 7 固 定螺帽 5 8 螺 孔 5 8 1 螺 絲 5 8 2 滑 板 6 上 支座 6 1 上 止 塊 6 1 1 下 支座 6 2 下 止 塊 6 2 1 凸 塊 6 2 2 螺 孔 6 2 3 斜 面 6 3 鎖 結 孔 6 3 1 軸 孔 B 1 、B 2Page 12 M243092 Schematic description of spring 5 7 Fixing nut 5 8 Screw hole 5 8 1 Screw 5 8 2 Slide plate 6 Upper support 6 1 Upper stop 6 1 1 Lower support 6 2 Lower stop 6 2 1 Convex Block 6 2 2 Screw hole 6 2 3 Bevel 6 3 Locking hole 6 3 1 Shaft hole B 1, B 2
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW92216472U TWM243092U (en) | 2003-09-12 | 2003-09-12 | Elevating platform for computer screen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW92216472U TWM243092U (en) | 2003-09-12 | 2003-09-12 | Elevating platform for computer screen |
Publications (1)
Publication Number | Publication Date |
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TWM243092U true TWM243092U (en) | 2004-09-11 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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TW92216472U TWM243092U (en) | 2003-09-12 | 2003-09-12 | Elevating platform for computer screen |
Country Status (1)
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TW (1) | TWM243092U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108371410A (en) * | 2018-04-17 | 2018-08-07 | 浙江机电职业技术学院 | A kind of trapezoidal Practical training table of band rotation fixation mechanism |
-
2003
- 2003-09-12 TW TW92216472U patent/TWM243092U/en not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108371410A (en) * | 2018-04-17 | 2018-08-07 | 浙江机电职业技术学院 | A kind of trapezoidal Practical training table of band rotation fixation mechanism |
CN108371410B (en) * | 2018-04-17 | 2023-08-25 | 浙江机电职业技术学院 | Trapezoidal practical training table with rotary setting mechanism |
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Legal Events
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MM4K | Annulment or lapse of a utility model due to non-payment of fees |