TWM513253U - Locking mechanism of plum lock - Google Patents
Locking mechanism of plum lock Download PDFInfo
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- TWM513253U TWM513253U TW104212310U TW104212310U TWM513253U TW M513253 U TWM513253 U TW M513253U TW 104212310 U TW104212310 U TW 104212310U TW 104212310 U TW104212310 U TW 104212310U TW M513253 U TWM513253 U TW M513253U
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Description
本創作係關於一種鎖固結構，更特別的是關於一種梅花鎖具的鎖固結構，用於將鎖芯旋轉地固定於具有通孔的鎖殼內。The present invention relates to a locking structure, and more particularly to a locking structure for a plum lock for rotationally fixing a lock cylinder in a lock case having a through hole.
目前，梅花鎖具中的鎖芯藉由具有彈性的複數鎖珠來旋轉地固定於具有通孔的鎖殼內。由於複數鎖珠藉由複數彈性元件來提供彈性，且複數鎖珠及複數彈形元件尺寸非常小，故於組裝時，較於複雜。At present, the lock cylinder in the plum lock is rotatably fixed in the lock case having the through hole by a plurality of elastic lock beads. Since the plurality of locking beads provide elasticity by a plurality of elastic members, and the plurality of locking beads and the plurality of elastic members are very small in size, they are more complicated to assemble.
此外，由於習知的梅花鎖具使用的彈性元件非常多，故會提高彈性元件的壞損機率，當彈性元件壞損時，則梅花鎖具無法被使用。In addition, since the conventional plum locks use a large number of elastic members, the damage probability of the elastic members is increased, and when the elastic members are damaged, the plum lock can not be used.
因此，如何創作出一種鎖芯旋轉地固定於鎖殼內之結構，組裝容易，能有效減少壞損機率，將是本創作所欲積極揭露之處。Therefore, how to create a structure in which the lock cylinder is rotationally fixed in the lock case is easy to assemble and can effectively reduce the probability of damage, which will be actively exposed by the present invention.
本創作之目的在於提供一種梅花鎖具的鎖固結構，用於將一鎖芯旋轉地固定於具有一通孔的一鎖殼內，其組裝容易，能有效減少壞損機率。The purpose of the present invention is to provide a locking structure for a plum lock for rotationally fixing a lock cylinder in a lock case having a through hole, which is easy to assemble and can effectively reduce the probability of damage.
為達上述目的及其他目的，本創作提出一種梅花鎖具的鎖固結構，用於將一鎖芯旋轉地固定於具有一通孔的一鎖殼內，該鎖芯具有一鎖芯本體及一鎖芯桿，該鎖芯桿設置於該鎖芯本體的一端，該鎖芯本體的另一端對應該鎖殼的一鑰匙***端，該鎖固結構包含複數鎖珠槽、一定位凹槽、一鎖珠孔、複數第一鎖珠、一定位件、複數V形槽、一第一彈性元件、一第二鎖珠及一第二彈性元件。In order to achieve the above and other objects, the present invention proposes a lock structure for a plum lock for rotationally fixing a lock cylinder in a lock case having a through hole, the lock core having a lock core body and a lock cylinder a lock rod disposed at one end of the lock cylinder body, the other end of the lock core body corresponding to a key insertion end of the lock case, the lock structure comprising a plurality of lock bead grooves, a positioning groove, and a lock bead a hole, a plurality of first locking beads, a positioning member, a plurality of V-shaped grooves, a first elastic member, a second locking bead and a second elastic member.
該等鎖珠槽以該鎖芯本體的一中心軸為軸環狀凹設於該鎖芯本體的另一端，且該等鎖珠槽的開口朝向該鑰匙***端。The locking bead grooves are annularly recessed at the other end of the lock cylinder body with a central axis of the lock cylinder body, and the opening of the locking bead slots faces the key insertion end.
該定位凹槽凹設於該鎖芯本體的側壁。The positioning groove is recessed in a sidewall of the lock cylinder body.
該鎖珠孔與該中心軸水平地穿設於該鎖芯本體，且該鎖珠孔貫穿該定位凹槽的側壁，並對準該鎖芯桿的一容置槽。The locking bead hole and the central axis are horizontally disposed on the lock cylinder body, and the locking bead hole penetrates the sidewall of the positioning groove and is aligned with a receiving groove of the lock cylinder.
該等第一鎖珠分別插設於各該鎖珠槽。The first locking beads are respectively inserted into each of the locking bead grooves.
該定位件活動設置於該定位凹槽，且具有一鎖珠通孔及一倒V狀結構；該鎖珠通孔穿設於該定位件的側壁，對準該鎖珠孔，且該鎖珠通孔大於該鎖珠孔；及該倒V狀結構設置於該定位件的頂部。The positioning member is disposed in the positioning groove, and has a locking bead through hole and an inverted V-shaped structure; the locking bead through hole is disposed in a sidewall of the positioning member, and the locking bead hole is aligned, and the locking bead is The through hole is larger than the locking bead hole; and the inverted V-shaped structure is disposed at the top of the positioning member.
該等V形槽凹設於該鎖殼的內壁，對應該倒V狀結構。The V-shaped grooves are recessed in the inner wall of the lock case, corresponding to the inverted V-shaped structure.
該第一彈性元件設置於該定位件的底部及該定位凹槽的底部之間。The first elastic element is disposed between the bottom of the positioning member and the bottom of the positioning groove.
該第二鎖珠插設於該鎖珠孔及該鎖珠通孔，且該第二鎖珠的底部容置於該容置槽，並該第二鎖珠具有一對應凹槽，該對應凹槽活動卡合於該鎖珠通孔。The second locking bead is inserted into the locking bead hole and the locking bead through hole, and the bottom of the second locking bead is received in the receiving groove, and the second locking bead has a corresponding groove, the corresponding concave The slot is engaged with the locking bead through hole.
該第二彈性元件設置於該第二鎖珠的底部及該容置槽的底部之間。The second elastic element is disposed between the bottom of the second locking bead and the bottom of the receiving groove.
其中，當該對應凹槽未卡合於該鎖珠通孔時，該第二鎖珠固定該定位件，使該倒V狀結構凸出於該定位凹槽，且該倒V狀結構限位於該等V形槽之一者，該鎖芯本體無法旋轉；當該對應凹槽卡合於該鎖珠通孔時，使該定位件活動於該定位凹槽，且於該鎖芯本體旋轉時，使該倒V狀結構被該鎖殼的內壁壓入至該定位凹槽內。The second locking bead fixes the positioning member when the corresponding groove is not engaged with the locking bead through hole, so that the inverted V-shaped structure protrudes from the positioning groove, and the inverted V-shaped structure is limited to In one of the V-shaped grooves, the lock core body cannot rotate; when the corresponding groove is engaged with the lock bead through hole, the positioning member is moved to the positioning groove, and when the lock cylinder body rotates The inverted V-shaped structure is pressed into the positioning groove by the inner wall of the lock case.
於本創作之鎖固結構中，其中，該倒V狀結構的角度為75度。In the lock structure of the present invention, the angle of the inverted V-shaped structure is 75 degrees.
於本創作之鎖固結構中，其中，各該V形槽的角度為90度。In the lock structure of the present invention, the angle of each of the V-shaped grooves is 90 degrees.
於本創作之鎖固結構中，其中，該等第一鎖珠的至少二者之長度不相同。In the lock structure of the present invention, at least two of the first lock beads have different lengths.
綜上所述，本創作梅花鎖具的鎖固結構藉由上述配置，組裝容易，能有效減少壞損機率。In summary, the locking structure of the plum blossom lock of the present invention is easy to assemble by the above configuration, and can effectively reduce the probability of damage.
為充分瞭解本創作之目的、特徵及功效，茲藉由下述具體之實施例，並配合所附之圖式，對本創作做一詳細說明，說明如後：In order to fully understand the purpose, features and effects of this creation, the following specific examples, together with the attached drawings, provide a detailed description of the creation, as explained below:
請參照圖1，其係為本創作梅花鎖具的鎖固結構100之分解圖，該鎖固結構100用於將一鎖芯1000旋轉地固定於一鎖殼2000的一通孔2100內，該鎖芯1000具有一鎖芯本體1100及一鎖芯桿1200，該鎖芯桿1200設置於該鎖芯本體1100的一第一端1110，該鎖芯本體1100的一第二端1120對應該鎖殼2000的一鑰匙***端2200。圖1中還顯示其他組合梅花鎖具的元件，由於該等元件為習知的元件，故於本說明書中未特別標號，並省略說明。其中，該鎖固結構100包含複數鎖珠槽10、一定位凹槽20、一鎖珠孔30、複數第一鎖珠40、一定位件50、複數V形槽60、一第一彈性元件70、一第二鎖珠80及一第二彈性元件90。Please refer to FIG. 1 , which is an exploded view of the locking structure 100 of the present plum lock. The locking structure 100 is used for rotationally fixing a lock cylinder 1000 in a through hole 2100 of a lock housing 2000 . The first core end 1110 of the lock cylinder body 1100 is disposed at a first end 1110 of the lock cylinder body 1100, and a second end 1120 of the lock core body 1100 corresponds to the lock case 2000. A key is inserted into the end 2200. The components of the other combination plum locks are also shown in Fig. 1. Since these components are conventional components, they are not specifically labeled in the present specification, and the description is omitted. The locking structure 100 includes a plurality of locking bead slots 10, a positioning groove 20, a locking bead hole 30, a plurality of first locking beads 40, a positioning member 50, a plurality of V-shaped grooves 60, and a first elastic member 70. a second locking bead 80 and a second elastic member 90.
請同時參照圖1至圖2B，該等鎖珠槽10以該鎖芯本體1100的一中心軸1130為軸環狀凹設於該鎖芯本體1100的第二端1120，且該等鎖珠槽10的開口朝向該鑰匙***端2200。Referring to FIG. 1 to FIG. 2B, the ball lock groove 10 is annularly recessed on the second end 1120 of the lock cylinder body 1100 by a central axis 1130 of the lock cylinder body 1100, and the lock bead grooves are The opening of 10 faces the key insertion end 2200.
該定位凹槽20凹設於該鎖芯本體1100的側壁。The positioning groove 20 is recessed in the sidewall of the lock cylinder body 1100.
該鎖珠孔30與該中心軸1130水平地穿設於該鎖芯本體1100，且該鎖珠孔30貫穿該定位凹槽20的側壁，並對準該鎖芯桿1200的一容置槽1210。The locking bead hole 30 and the central axis 1130 are horizontally disposed on the lock cylinder body 1100 , and the locking bead hole 30 extends through the sidewall of the positioning recess 20 and is aligned with a receiving slot 1210 of the lock bar 1200 . .
該等第一鎖珠40分別插設於各該鎖珠槽10。此外，該等第一鎖珠40的至少二者之長度較佳係為不相同。The first locking beads 40 are respectively inserted into the locking bead grooves 10 . Moreover, the lengths of at least two of the first locking beads 40 are preferably different.
該定位件50活動設置於該定位凹槽20，且該定位件50具有一鎖珠通孔51及一倒V狀結構52；該鎖珠通孔51穿設於該定位件50的側壁，對準該鎖珠孔30，且該鎖珠通孔51大於該鎖珠孔30；該倒V狀結構52設置於該定位件50的頂部，且該倒V狀結構52的角度較佳為75度。The positioning member 50 is disposed on the positioning groove 20, and the positioning member 50 has a locking bead through hole 51 and an inverted V-shaped structure 52. The locking bead through hole 51 is disposed on the side wall of the positioning member 50, The locking bead hole 30 is larger than the locking bead hole 30; the inverted V-shaped structure 52 is disposed at the top of the positioning member 50, and the angle of the inverted V-shaped structure 52 is preferably 75 degrees. .
該等V形槽60凹設於該鎖殼2000的內壁，對應該倒V狀結構52；其中，各該V形槽60的角度較佳為90度。當該倒V狀結構52的角度為75度，各該V形槽60的角度為90度，且該定位件50能活動於該定位凹槽時，該倒V狀結構52易於脫離各該V形槽60。The V-shaped grooves 60 are recessed in the inner wall of the lock case 2000, corresponding to the inverted V-shaped structure 52; wherein the angle of each of the V-shaped grooves 60 is preferably 90 degrees. When the angle of the inverted V-shaped structure 52 is 75 degrees, the angle of each of the V-shaped grooves 60 is 90 degrees, and the positioning member 50 can move to the positioning groove, the inverted V-shaped structure 52 is easily separated from each of the V Shape groove 60.
該第一彈性元件70設置於該定位件50的底部及該定位凹槽20的底部之間，藉此讓該定位件50相對該鎖芯本體1100進行彈性活動。The first elastic member 70 is disposed between the bottom of the positioning member 50 and the bottom of the positioning groove 20, thereby allowing the positioning member 50 to elastically move relative to the cylinder body 1100.
該第二鎖珠80插設於該鎖珠孔30及該鎖珠通孔51，且該第二鎖珠80的底部容置於該容置槽1210，並該第二鎖珠80具有一對應凹槽81，該對應凹槽81活動卡合於該鎖珠通孔51。The second locking bead 80 is inserted into the locking bead hole 30 and the locking bead through hole 51, and the bottom of the second locking bead 80 is received in the receiving groove 1210, and the second locking bead 80 has a corresponding The groove 81 is movably engaged with the locking bead through hole 51.
該第二彈性元件90設置於該第二鎖珠80的底部及該容置槽1210的底部之間，藉此讓該第二鎖珠80相對該鎖芯桿1200進行彈性活動。The second elastic member 90 is disposed between the bottom of the second locking bead 80 and the bottom of the receiving groove 1210 , thereby allowing the second locking bead 80 to elastically move relative to the lock cylinder 1200 .
請再次參照圖2A及圖2B，當未將一鑰匙(圖未示)***至該梅花鎖具時，該第二鎖珠80的對應凹槽81未對準且未卡合於該鎖珠通孔51，故該第二鎖珠80固定該定位件50，使該定位件50的倒V狀結構52凸出於該定位凹槽20，且該倒V狀結構52限位於該等V形槽60之一者(如圖2A所示，該倒V狀結構52限位於最上方的V形槽60)。若***不正確的鑰匙時，該鑰匙無法讓該第二鎖珠80壓縮至特定位置，從而導致該第二鎖珠80的對應凹槽81仍無法對準且卡合於該鎖珠通孔51，該第二鎖珠80持續固定該定位件50，該定位件50的倒V狀結構52持續凸出於該定位凹槽20，該倒V狀結構52持續限位於最上方的V形槽60，故該鑰匙無法驅動該鎖芯本體1100旋轉，從而達到鎖固的功效。其中，該等第一鎖珠40用於限制該鑰匙***的深度與位置。Referring to FIG. 2A and FIG. 2B again, when a key (not shown) is inserted into the Phillips lock, the corresponding groove 81 of the second lock bead 80 is misaligned and is not engaged with the lock bead through hole. 51. Therefore, the second locking bead 80 fixes the positioning member 50, so that the inverted V-shaped structure 52 of the positioning member 50 protrudes from the positioning groove 20, and the inverted V-shaped structure 52 is limited to the V-shaped grooves 60. One (as shown in Fig. 2A, the inverted V-shaped structure 52 is limited to the uppermost V-shaped groove 60). If an incorrect key is inserted, the key cannot compress the second locking bead 80 to a specific position, so that the corresponding groove 81 of the second locking bead 80 still cannot be aligned and is engaged with the locking bead through hole 51. The second locking bead 80 continues to fix the positioning member 50. The inverted V-shaped structure 52 of the positioning member 50 continuously protrudes from the positioning groove 20, and the inverted V-shaped structure 52 is continuously limited to the uppermost V-shaped groove 60. Therefore, the key cannot drive the lock cylinder body 1100 to rotate, thereby achieving the locking effect. The first locking beads 40 are used to limit the depth and position of the key insertion.
接著，請參照圖3A至圖3C，為使該鎖固結構100清楚被呈現，圖3A至圖3C省略鑰匙的繪製；當將正確的一鑰匙(圖未示)***至該梅花鎖具時，該鑰匙讓該第二鎖珠80壓縮至特定位置，該第二鎖珠80的對應凹槽81對準且卡合於該鎖珠通孔51，使該定位件50活動於該定位凹槽20，故該鑰匙能驅動該鎖芯本體1100旋轉；如圖3B及3C所示，由於該定位件50係活動的，當該鎖芯本體1100旋轉時，該定位件50的倒V狀結構52會先脫離最上方的V形槽60後，該定位件50的倒V狀結構52會被該鎖殼2000的內壁壓入至該定位凹槽20內，該倒V狀結構52不會被限位於最上方的V形槽60，藉此，該鎖芯本體1100能夠相對於該鎖殼2000被旋轉，從而達到開鎖的功效。其中，該等第一鎖珠40用於限制該鑰匙***的深度與位置。3A to 3C, in order to make the locking structure 100 clear, FIG. 3A to FIG. 3C omits the drawing of the key; when a correct key (not shown) is inserted into the plum lock, the The key locks the second locking bead 80 to a specific position, and the corresponding groove 81 of the second locking bead 80 is aligned and engaged with the locking bead through hole 51, so that the positioning member 50 is movable to the positioning groove 20, Therefore, the key can drive the lock cylinder body 1100 to rotate; as shown in FIGS. 3B and 3C, since the positioning member 50 is movable, when the lock cylinder body 1100 rotates, the inverted V-shaped structure 52 of the positioning member 50 first After being disengaged from the uppermost V-shaped groove 60, the inverted V-shaped structure 52 of the positioning member 50 is pressed into the positioning groove 20 by the inner wall of the locking case 2000, and the inverted V-shaped structure 52 is not limited to being located. The uppermost V-shaped groove 60, whereby the lock cylinder body 1100 can be rotated relative to the lock case 2000, thereby achieving the function of unlocking. The first locking beads 40 are used to limit the depth and position of the key insertion.
綜上所述，本創作梅花鎖具的鎖固結構藉由上述的配置，僅使用兩個彈性元件，且組裝容易，故能有效減少壞損機率。In summary, the locking structure of the present plum lock has only two elastic elements used in the above configuration, and the assembly is easy, so that the probability of damage can be effectively reduced.
此外，如圖2B、圖3B及圖3C所示，該鎖芯本體1100的旋轉方向不限於此，亦可以圖面的順時鐘方向進行旋轉。Further, as shown in FIG. 2B, FIG. 3B, and FIG. 3C, the rotation direction of the key cylinder main body 1100 is not limited thereto, and the rotation of the drawing may be performed in the clockwise direction.
本創作在上文中已以較佳實施例揭露，然熟習本項技術者應理解的是，該實施例僅用於描繪本創作，而不應解讀為限制本創作之範圍。應注意的是，舉凡與該實施例等效之變化與置換，均應設為涵蓋於本創作之範疇內。因此，本創作之保護範圍當以申請專利範圍所界定者為準。The present invention has been disclosed in the above preferred embodiments, and it should be understood by those skilled in the art that the present invention is only intended to depict the present invention and should not be construed as limiting the scope of the present invention. It should be noted that variations and permutations equivalent to those of the embodiments are intended to be included within the scope of the present invention. Therefore, the scope of protection of this creation is subject to the definition of the scope of patent application.
10‧‧‧鎖珠槽
20‧‧‧定位凹槽
30‧‧‧鎖珠孔
40‧‧‧第一鎖珠
50‧‧‧定位件
51‧‧‧鎖珠通孔
52‧‧‧倒V狀結構
60‧‧‧V形槽
70‧‧‧第一彈性元件
80‧‧‧第二鎖珠
81‧‧‧對應凹槽
90‧‧‧第二彈性元件
100‧‧‧鎖固結構
1000‧‧‧鎖芯
1100‧‧‧鎖芯本體
1110‧‧‧第一端
1120‧‧‧第二端
1130‧‧‧中心軸
1200‧‧‧鎖芯桿
1210‧‧‧容置槽
2000‧‧‧鎖殼
2100‧‧‧通孔
2200‧‧‧鑰匙***端10‧‧‧Lock beads
20‧‧‧ positioning groove
30‧‧‧Lock beads
40‧‧‧First lock beads
50‧‧‧ positioning parts
51‧‧‧Lock beads through hole
52‧‧‧ inverted V-shaped structure
60‧‧‧V-groove
70‧‧‧First elastic element
80‧‧‧Second lock beads
81‧‧‧ corresponding groove
90‧‧‧Second elastic element
100‧‧‧Locking structure
1000‧‧‧Lock core
1100‧‧‧Clock body
1110‧‧‧ first end
1120‧‧‧ second end
1130‧‧‧Center axis
1200‧‧‧Lock rod
1210‧‧‧ accommodating slots
2000‧‧‧Lock shell
2100‧‧‧through hole
2200‧‧‧ key insertion end
［圖1］係為本創作梅花鎖具的鎖固結構之分解圖。 ［圖2A］係為本創作梅花鎖具的鎖固結構進行鎖固時之剖面圖。 ［圖2B］係為本創作梅花鎖具的鎖固結構進行鎖固時之前視圖。 ［圖3A］係為本創作梅花鎖具的鎖固結構進行開鎖時之剖面圖。 ［圖3B］係為本創作梅花鎖具的鎖固結構進行開鎖時之前視圖。 ［圖3C］係為本創作梅花鎖具的鎖固結構進行開鎖時之前視作動圖。[Fig. 1] is an exploded view of the locking structure of the original plum lock. [Fig. 2A] is a cross-sectional view showing the locking structure of the creation plum blossom lock when it is locked. [Fig. 2B] is a front view of the locking structure of the creation plum blossom lock when it is locked. [Fig. 3A] is a cross-sectional view showing the locking structure of the creation plum blossom lock when unlocking. [Fig. 3B] is a front view of the locking structure of the creation plum blossom lock when unlocking. [Fig. 3C] is a front view of the lock structure of the created plum blossom lock when it is unlocked.
10‧‧‧鎖珠槽 10‧‧‧Lock beads
20‧‧‧定位凹槽 20‧‧‧ positioning groove
30‧‧‧鎖珠孔 30‧‧‧Lock beads
40‧‧‧第一鎖珠 40‧‧‧First lock beads
50‧‧‧定位件 50‧‧‧ positioning parts
51‧‧‧鎖珠通孔 51‧‧‧Lock beads through hole
52‧‧‧倒V狀結構 52‧‧‧ inverted V-shaped structure
60‧‧‧V形槽 60‧‧‧V-groove
70‧‧‧第一彈性元件 70‧‧‧First elastic element
80‧‧‧第二鎖珠 80‧‧‧Second lock beads
81‧‧‧對應凹槽 81‧‧‧ corresponding groove
90‧‧‧第二彈性元件 90‧‧‧Second elastic element
100‧‧‧鎖固結構 100‧‧‧Locking structure
1000‧‧‧鎖芯 1000‧‧‧Lock core
1100‧‧‧鎖芯本體 1100‧‧‧Clock body
1110‧‧‧第一端 1110‧‧‧ first end
1120‧‧‧第二端 1120‧‧‧ second end
1130‧‧‧中心軸 1130‧‧‧Center axis
1200‧‧‧鎖芯桿 1200‧‧‧Lock rod
1210‧‧‧容置槽 1210‧‧‧ accommodating slots
2000‧‧‧鎖殼 2000‧‧‧Lock shell
2100‧‧‧通孔 2100‧‧‧through hole
2200‧‧‧鑰匙***端 2200‧‧‧ key insertion end
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW104212310U TWM513253U (en) | 2015-07-31 | 2015-07-31 | Locking mechanism of plum lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW104212310U TWM513253U (en) | 2015-07-31 | 2015-07-31 | Locking mechanism of plum lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TWM513253U true TWM513253U (en) | 2015-12-01 |
Family
ID=55408272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW104212310U TWM513253U (en) | 2015-07-31 | 2015-07-31 | Locking mechanism of plum lock |
Country Status (1)
| Country | Link |
|---|---|
| TW (1) | TWM513253U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108848634A (en) * | 2018-06-11 | 2018-11-20 | 黄素兰 | Electric power electric cabinet with fastened structure |
| US11572963B2 (en) | 2020-11-27 | 2023-02-07 | J.D Components Co., Ltd. | Pneumatic-hydraulic control valve |
-
2015
- 2015-07-31 TW TW104212310U patent/TWM513253U/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108848634A (en) * | 2018-06-11 | 2018-11-20 | 黄素兰 | Electric power electric cabinet with fastened structure |
| US11572963B2 (en) | 2020-11-27 | 2023-02-07 | J.D Components Co., Ltd. | Pneumatic-hydraulic control valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4K | Annulment or lapse of a utility model due to non-payment of fees |