Belt having tail clip

Abstract

A belt having a tail clip, comprising a belt body (1), wherein a connecting buckle (2) and a tail clip (3) are arranged on the belt body (1). The connecting buckle (2) comprises a male buckle (21), a female buckle (22) and a snap-fit device (23); one end of the male buckle (21) is provided with a first connecting member (211), and the other end thereof is provided with a male buckle snap-fit portion (212); one end of the female buckle (22) is provided with a second connecting member, and the other end thereof is provided with a female buckle snap-fit portion (222); the second connecting member comprises an outer connecting rod (221a) and an inner connecting rod (221b); the snap-fit device (23) achieves a snap-fit connection between the male buckle snap-fit portion (212) and the female buckle snap-fit portion (222). The tail clip (3) is provided with a belt fixing slot (31) and a belt sliding through-slot (32). One end of the belt body (1) is fixed to the first connecting member (211) of the male buckle (21), and the other end thereof passes through the belt sliding through-slot (32) and, after bypassing the inner connecting rod (221b), an end portion of the other end is fixed in the belt fixing slot (31). The belt has the following advantages: the length of the belt is easy to adjust, the appearance is fashionable, and the anti-loosening effect is good.

Description

A belt with a tail clip

[0001] This application is based on and claims priority to Chinese patent applications with application number 202322369637.5 and application date August 31, 2023, and application number 202321972158.6 and application date July 25, 2023, and the entire contents of which are hereby introduced as a whole into this application. Technical Field

[0002] The present application relates to the technical field of waist belts, and in particular to a waist belt with a tail clip. Background Art

[0003] With people's pursuit of fashion, belts are becoming more than just a waist-binding feature; they've also become a key feature of overall clothing. Current belts typically consist of a belt body and a belt buckle. Some belts also feature a belt loop. One end of the belt body passes through the loop and around a connecting rod on the buckle. The loop then secures the end of the belt body, creating an overlapping portion between the buckle and the loop. The loop is slid across the belt body to change the fixed position of the loop end, thereby varying the length of the overlapping portion and adjusting the belt's usable length. During use, the belt body's leading end is secured to one end of the buckle, while the trailing end is connected to the other end of the buckle. The loop secures the belt body's trailing end, and the two ends of the buckle connect and disconnect via their own connecting structure. This method of securing the belt body's trailing end with the loop makes it very easy for the trailing end of the belt body to slip out of the loop during use. Once the restraint on the belt body's trailing end is released, the belt body easily slips around the buckle, increasing the belt's usable length and failing to achieve the desired waist-binding effect. If the end of the belt body completely passes through the belt loop, the portion of the belt body passing through the belt loop is likely to be in a warped state, affecting the fashion sense of the entire belt.

[0004] For this purpose, we propose a belt with a tail clip. Application Contents

[0005] The purpose of the present application is to provide a waist belt with a tail clip, which has convenient length adjustment, a wide adjustment range, a fashionable appearance, and a good anti-loosening effect.

[0006] In order to achieve the above objectives, this application adopts the following technical solutions:

[0007] A belt with a tail clip comprises: a belt body, a connecting buckle and a tail clip provided on the belt body; the two ends of the belt body are respectively a first connecting part and a second connecting part; the connecting buckle comprises a male buckle, a female buckle and a snap-fitting device, one end of the male buckle is provided with a first connecting piece, and the other end is provided with a male buckle snap-fitting part, one end of the female buckle is provided with a second connecting piece, and the other end is provided with a female buckle snap-fitting part, the second connecting piece comprises an outer connecting rod and an inner connecting rod, and the snap-fitting device snap-fits the male buckle snap-fitting part and the female buckle snap-fitting part; the tail clip is provided with a belt fixing groove and a belt sliding groove; the first connecting part of the belt body is fixed to the first connecting piece of the male buckle, the second connecting part of the belt body passes through the belt sliding groove, bypasses the inner connecting rod, and the end is fixed in the belt fixing groove.

[0008] Furthermore, the male buckle engaging portion is provided with an engaging groove, and the female buckle engaging portion is provided with an engaging fixing groove. The engaging device includes a rotating plate arranged in the engaging fixing groove and a safety device arranged on the rotating plate. A rotating shaft is provided in the middle of the rotating plate, and the rotating plate is rotatably connected to the female buckle engaging portion through the rotating shaft. A reset spring is provided at one end of the rotating plate, and a hook corresponding to the engaging groove is provided at the other end.

[0009] Furthermore, the female buckle engaging portion is provided with a sliding groove that cooperates with the male buckle engaging portion, and the sliding groove is provided with a limiting surface that cooperates with the male buckle engaging portion.

[0010] Furthermore, the safety device includes a pressing slide plate slidably arranged on the outside of the rotating plate, the pressing slide plate is arranged at one end of the rotating plate close to the return spring, and a positioning device is provided between the rotating plate and the pressing slide plate.

[0011] Furthermore, a ball fixing cylinder is convexly provided on the rotating plate, and the positioning device includes an elastic ball arranged in the ball fixing cylinder, and the inner side of the pressing slide plate is respectively provided with a first positioning groove and a second positioning groove that cooperate with the elastic ball, and the engaging fixing groove is provided with a spring fixing groove corresponding to the ball fixing cylinder, and one end of the return spring is sleeved on the outer side of the ball fixing cylinder, and the other end cooperates with the spring fixing groove.

[0012] Furthermore, the rotating plate is provided with two corresponding positioning grooves, the pressing slide is provided with an L-shaped slider corresponding to the positioning grooves, and corresponding guide ridges are respectively provided on both sides of the pressing slide on the rotating plate.

[0013] Furthermore, the inner side of the tail clip is arched, and one side of the belt sliding groove is provided with anti-slip teeth.

[0014] Furthermore, a sewing groove is provided on the outer side of the waist belt fixing groove on the tail clip.

[0015] Furthermore, a connecting groove is provided at one end of the male buckle, and the first connecting member includes a tail tooth plate rotatably arranged in the connecting groove, and a plurality of teeth are provided on the tail tooth plate, and the teeth are in an inclined conical shape.

[0016] The present invention comprises a waist belt body, a connecting buckle and a tail clip. The belt body comprises a first connecting portion and a second connecting portion at each end. The connecting buckle comprises a male buckle, a female buckle, and a snap-fit ​​mechanism. The male buckle comprises a first connecting member at one end and a male buckle snap-fit ​​mechanism at the other end. The female buckle comprises a second connecting member at one end and a female buckle snap-fit ​​mechanism at the other end. The second connecting member comprises an outer connecting rod and an inner connecting rod. The snap-fit ​​mechanism snap-fits the male buckle snap-fit ​​mechanism to the female buckle snap-fit ​​mechanism. The tail clip comprises a belt fixing groove and a belt sliding groove. The first connecting portion of the belt body is fixed to the first connecting member of the male buckle. The second connecting portion of the belt body passes through the belt sliding groove, around the inner connecting rod, and then is fixed at its end in the belt fixing groove. Advantages of the belt include easy and wide adjustment range, stylish appearance, and good anti-loosening effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] FIG1 is a perspective view of a waist belt according to a first embodiment of the present application;

[0018] FIG2 is a diagram of the waist belt in use according to the first embodiment of the present application;

[0019] FIG3 is a cross-sectional view of a waist belt according to the first embodiment of the present application;

[0020] FIG4 is a partial enlarged view of point A in FIG3 ;

[0021] FIG5 is a partial enlarged view of point B in FIG3;

[0022] FIG6 is a perspective view 1 of the waistband tail clip of the first embodiment of the present application;

[0023] FIG7 is a perspective view 2 of the waistband tail clip of the first embodiment of the present application;

[0024] FIG8 is a perspective view of the female buckle of the waist belt according to the first embodiment of the present application;

[0025] FIG9 is a perspective view of a waist belt according to a second embodiment of the present application;

[0026] FIG10 is a cross-sectional view of a waist belt according to a second embodiment of the present application;

[0027] Figure 11 is a partial enlarged view of point C in Figure 10:

[0028] FIG12 is a perspective view of a waist belt buckle with a tail clip according to the present invention;

[0029] FIG13 is an exploded view of the belt buckle with a tail clip of the present application;

[0030] FIG14 is a cross-sectional view of a belt buckle with a tail clip according to the present invention;

[0031] FIG15 is a perspective view of the rotating plate of the waist belt rotating plate with a tail clip of the present application;

[0032] FIG16 is a perspective view of the pressing slide plate of the waist belt rotating plate with a tail clip of the present application;

[0033] FIG17 is an exploded view 1 of a connecting buckle according to another embodiment of the present application;

[0034] FIG18 is an exploded view 2 of a connecting buckle according to another embodiment of the present application. DETAILED DESCRIPTION

[0035] This application provides a waist belt with a tail clip. To make the purpose, technical solution, and effects of this application more clear and explicit, the application is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific examples described here are only for the purpose of explaining this application and are not intended to limit this application.

[0036] The present application provides a waist belt with a tail clip, the structure of which is shown in Figures 1 to 16, comprising: a waist belt body 1, on which a connecting buckle 2 and a tail clip 3 are provided.

[0037] The two ends of the waist belt body 1 are respectively a first connecting portion 11 and a second connecting portion 12 .

[0038] The connecting buckle 2 includes a male buckle 21, a female buckle 22 and a snap-fit ​​device 23. One end of the male buckle 21 is provided with a first connecting member 211, and the other end is provided with a male buckle snap-fit ​​portion 212. One end of the female buckle 22 is provided with a second connecting member, and the other end is provided with a female buckle snap-fit ​​portion 222. The second connecting member includes an outer connecting rod 221a and an inner connecting rod 221b. The snap-fit ​​device 23 snaps the male buckle snap-fit ​​portion 212 and the female buckle snap-fit ​​portion 222 into connection.

[0039] The tail clip 3 is provided with a waist belt fixing groove 31 and a waist belt sliding groove 32 .

[0040] The first connecting portion 11 of the belt body 1 is fixed to the first connecting member 211 of the male buckle 21. The second connecting portion 12 of the belt body 1 passes through the belt sliding slot 32, bypasses the inner connecting rod 221b, and is then fixed at its end within the belt fixing slot 31. In this way, the first connecting portion 11 of the belt body 1 is fixed to the male buckle 21, and the second connecting portion 12 of the belt body 1 is connected to the female buckle 22. The locking device 23 can lock or separate the male buckle 21 and the female buckle 22 to achieve the buckling or loosening of the belt. By sliding the tail clip 3 onto the belt body 1 through the belt sliding slot 32, the distance between the tail clip 3 and the female buckle 22 changes. By changing the length of the overlapping portion of the second connecting portion 12 of the belt body 1, the useable length of the belt body 1 connected to the male buckle 21 and the female buckle 22 can be quickly adjusted, thereby achieving rapid adjustment of the belt length. The ends of the first connecting portion 11 and the second connecting portion 12 of the belt body 1 are secured to the male buckle 21 and the tail clip 3, respectively, preventing the ends of the belt body 1 from tilting, making the entire belt stylish. Furthermore, this belt with a tail clip offers a wide range of length adjustments, making it suitable for a wide range of people. For belt manufacturers and sellers, this allows them to reduce the number of belt lengths available, effectively reducing inventory.

[0041] In the first embodiment, shown in Figures 1-8, when the belt is used, the belt fixing groove 31 is outside the belt sliding groove 32, and the overlapping portion of the second connecting portion 12 of the belt body 1 is outside the inner circle of the belt, providing a better user experience. In the second embodiment, shown in Figures 9-11, when the belt is used, the belt fixing groove 31 is inside the belt sliding groove 32, creating a more fashionable overall look. The use of different fixing methods for the tail clip 3 increases the diversity of the belt.

[0042] In the embodiment provided by the present application, a sliding groove is provided on the female buckle 22 for cooperating with the inner connecting rod 221b, and the outer connecting rod 221a and the female buckle 22 are integrally manufactured. The inner connecting rod 221b can slide relative to the outer connecting rod 221a. The slidable inner connecting rod 221b facilitates the belt body 1 to bypass the inner connecting rod 221b, and a certain gap is provided between the female buckle body and the outer connecting rod 221a. When the belt body 1 is connected to the female buckle 22, the second connecting part 12 enters from the gap and bypasses the inner connecting rod 221b, and then extends from the gap. When the belt length is adjusted appropriately, it is difficult for the belt body 1 to slide relative to the gap, and it is difficult to slide around the inner connecting rod 221b, which has a good anti-loosening effect.

[0043] Specifically, as shown in Figures 12 to 16, the male buckle engaging portion 212 is provided with an engaging groove 213, and the female buckle engaging portion 222 is provided with an engaging fixing groove 223. The engaging device 23 includes a rotating plate 231 arranged in the engaging fixing groove 223 and a safety device 234 arranged on the rotating plate 231. A rotating shaft 242 is provided in the middle of the rotating plate 231. The rotating plate 231 is rotatably connected to the female buckle engaging portion 222 through the rotating shaft 242. A return spring 232 is provided at one end of the rotating plate 231, and a hook 233 corresponding to the engaging groove 213 is provided at the other end. The male buckle 21 and the female buckle 22 are connected through the hook 233.

[0044] The safety device 234 includes a pressing slide 235 that is slidably arranged on the rotating plate 231. The pressing slide 235 is arranged at one end of the rotating plate 231 close to the return spring 232. A positioning device 236 is provided between the rotating plate 231 and the pressing slide 235, and the pressing slide 235 is positioned by the positioning device 236.

[0045] Specifically, a ball fixing cylinder 237 is convexly provided on the rotating plate 231, and the positioning device 236 includes an elastic ball 238 and a ball spring 241 arranged in the ball fixing cylinder 237. The ball spring 241 elastically supports the elastic ball 238, and the elastic ball 238 protrudes from the upper surface of the rotating plate 231. The inner side of the pressing slide 235 is provided with a first positioning groove 239a and a second positioning groove 239b that cooperate with the elastic ball 238. When the first positioning groove 239a cooperates with the elastic ball 238, the pressing slide 235 is in the first position, and when the second positioning groove 239b cooperates with the elastic ball 238, the pressing slide 235 is in the first position. When the pressing plate 235 is in the first position, the rotating plate 231 is pressed by hand at one end of the pressing plate 235, and the rotating plate 231 rotates around the axis 242, and the hook 233 of the rotating plate 231 is tilted up, and the hook 233 is disengaged from the engagement with the engagement groove 213, that is, the male buckle 21 and the female buckle 22 are disengaged, and the belt is unfastened; if the pressing plate 235 is in the second position, part of the pressing plate 235 is against the outer surface of the female buckle engagement portion 222, and at this time, the rotating plate 231 is pressed without rotating, and the engagement of the hook 233 with the engagement groove 213 will not be disengaged, making the engagement between the male buckle 21 and the female buckle 22 safer and more reliable.

[0046] Specifically, the rotating plate 231 is provided with two corresponding positioning grooves 243, and the pressing slide plate 235 is provided with an L-shaped slider 244 corresponding to the positioning groove 243. Corresponding guide ridges 245 are respectively provided on both sides of the pressing slide plate on the rotating plate 231. The L-shaped slider 244 is clamped in the groove 243, and the pressing slide plate 235 can slide along the groove 243, thereby realizing the switching of the pressing slide plate 235 between the first position and the second position. The sliding trajectory of the pressing slide plate 235 is doubly restricted by the positioning groove 243 and the guide ridge 245, thereby reducing the influence of production errors, avoiding shaking of the pressing slide plate 235 during sliding, and improving the user's good usage experience.

[0047] The locking groove 223 is provided with a spring fixing groove 251 corresponding to the ball fixing tube 237. One end of the return spring 232 is sleeved on the outside of the ball fixing tube 23, and the other end engages with the spring fixing groove 251. In this way, the return spring 232 is positioned between the rotating plate 231 and the female buckle locking portion 222. Under the elastic force of the return spring 232, the hook 233 is positioned within the locking groove 213, locking the male buckle 21 and the female buckle 22. When one end of the return spring 232 on the rotating plate 231 is pressed, the rotating plate 231 rotates, and the hook 233 disengages the locking groove 213, separating the male buckle 21 and the female buckle 22. This locking structure of the male buckle 21 and the female buckle 22 is aesthetically pleasing and easy to operate. The female buckle locking portion 222 is provided with a slide groove 224 that engages with the male buckle locking portion 212. The slide groove 224 is surrounded by limiting surfaces 224a that engage with the male buckle locking portion 212. The slide groove 224 guides the female buckle engaging portion 222 during engagement. The limiting surface 224a and the engaging mechanism 23 prevent relative displacement between the male buckle 21 and the female buckle 22 during engagement, ensuring a secure engagement of the connecting buckle 2. Furthermore, the relatively narrow width of the male buckle 21 allows the first connecting portion 11, connected to the male buckle 21, to pass smoothly through the trouser ear, making it easier for the user to use and change the belt.

[0048] Specifically, the end of the belt body 1 is sewn and fixed to the tail clip 3. The belt fixing slot 31 and the belt sliding slot 32 on the tail clip 3 are arranged parallel to each other. The sewing position of the belt fixing slot 31 is provided with a gap to facilitate the second connecting portion 12 of the belt body 1 to pass through the belt sliding slot 32 and around the inner connecting rod 221b, and then be fixed to the tail clip 3 with a sewing machine. The injection-molded tail clip 3 has good strength and the surface treatment can match the connecting buckle 2, which improves the appearance of the entire belt.

[0049] Specifically, as shown in the first embodiment in Figures 1 to 8, the inner side of the tail clip 3 is arched, that is, the side of the belt sliding groove 32 away from the belt fixing groove 31 is arched. The arched tail clip 3 reduces the contact area during sliding, making the sliding of the tail clip 3 smoother and convenient for the user to adjust the length of the belt.

[0050] Specifically, an anti-slip tooth 321 is provided on one side of the belt sliding groove 32, and an inclined guide surface 321a is provided on one side of the anti-slip tooth 321 to facilitate the second connecting part 12 to pass through the belt sliding groove 32. After wearing the belt and adjusting the length of the belt to a more appropriate level, the second connecting part 12 is close to the anti-slip tooth 321 to prevent the belt body 1 from accidentally loosening, and has a good anti-loosening effect.

[0051] Specifically, a suture groove 311 is provided outside the waistband fixing slot 31 on the tail clip 3. This facilitates sewing the tail clip 3 to the end of the waistband body 1, ensuring sufficient strength for the entire tail clip 3. The suture groove 311 also accommodates sutures, ensuring a smooth overall appearance for the tail clip. As shown in Figures 9-11, in the second embodiment, the suture groove 311 prevents contact between the sutures and the body, facilitating sliding adjustment of the tail clip 3 to adjust the length of the waistband.

[0052] Specifically, one end of the male buckle 21 is provided with a connecting groove 214. The first connecting member 211 includes a tail plate 211a that is rotatably disposed within the connecting groove 214. The tail plate 211a is provided with a plurality of teeth 211b. By rotating the tail plate 211a, the teeth 211b squeeze the first connecting portion 11 of the belt body 1 into the connecting groove 214, making operation convenient and the connection secure. The teeth 211b are in an inclined conical shape. Because the teeth 211b need to press the first connecting portion 11 tightly into the connecting groove 214, the connection between the male buckle 21 and the belt body 1 is prevented from loosening. However, the male buckle 21 is relatively small, making it difficult to operate by simply moving the tail plate 211a. Instead, the tail plate 211a requires the use of tools to forcefully pry. The inclined conical teeth 211b structure allows the first connecting portion 11 of the belt body 1 to be removed from the connecting groove 214 by simply pushing the first connecting portion 11 toward the inner side of the connecting groove 214. The first connecting portion 11 applies an inclined force to the teeth 211b, causing the tail plate 211a to loosen and rotate. The male buckle 21 is easily separated from the belt body 1, making it convenient for users to replace corresponding accessories.

[0053] In other embodiments, in order to improve the versatility of the belt with a tail clip, the connecting buckle can be replaced with a connecting buckle of other structures, such as the connecting buckle shown in Figures 17 and 18, 21a is a male buckle, 22a is a female buckle, the male buckle 21a and the female buckle 22a are respectively connected to the two ends of the belt, the male buckle 21a and the female buckle 22a are clamped together by a locking device 23a, and the connection between the male buckle 21a and 22a can be unfastened by pressing the push button 231a of the locking device 23a. The belt with a tail clip can be diversified in style by using different connecting buckles, so that users have more style choices.

[0054] To summarize, the present application includes a belt body, which is provided with a connecting buckle and a tail clip; the connecting buckle includes a male buckle, a female buckle and a snap-fitting device, one end of the male buckle is provided with a first connecting piece, and the other end is provided with a male buckle snap-fitting portion, one end of the female buckle is provided with a second connecting piece, and the other end is provided with a female buckle snap-fitting portion, the second connecting piece includes an outer connecting rod and an inner connecting rod, and the snap-fitting device snap-fits the male buckle snap-fitting portion and the female buckle snap-fitting portion; the tail clip is provided with a belt fixing groove and a belt sliding groove; one end of the belt body is fixed to the first connecting piece of the male buckle, and the other end passes through the belt sliding groove, bypasses the inner connecting rod, and the end is fixed in the belt fixing groove. The advantages are: the belt length is easy to adjust, the adjustment range is wide, the appearance is fashionable, and the anti-loosening effect is good.

[0055] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all such improvements and changes should fall within the scope of protection of the claims appended to this application.

Claims

1. A belt with a tail clip, characterized in that: include: A belt body, wherein a connecting buckle and a tail clip are provided on the belt body; The two ends of the waist belt body are respectively a first connecting portion and a second connecting portion; The connecting buckle comprises a male buckle, a female buckle and a clamping device, wherein one end of the male buckle is provided with a first connecting member, and the other end is provided with a male buckle clamping portion, one end of the female buckle is provided with a second connecting member, and the other end is provided with a female buckle clamping portion, the second connecting member comprises an outer connecting rod and an inner connecting rod, and the clamping device clamps and connects the male buckle clamping portion and the female buckle clamping portion; The tail clip is provided with a belt fixing slot and a belt sliding slot; The first connecting portion of the belt body is fixed to the first connecting piece of the male buckle, and the second connecting portion of the belt body passes through the belt sliding slot, bypasses the inner connecting rod, and then the end portion is fixed in the belt fixing slot.

2. The waist belt with a tail clip as claimed in claim 1, characterized in that: The male buckle engaging portion is provided with an engaging groove, and the female buckle engaging portion is provided with an engaging fixing groove. The engaging device includes a rotating plate arranged in the engaging fixing groove and a safety device arranged on the rotating plate. A rotating shaft is provided in the middle of the rotating plate, and the rotating plate is rotatably connected to the female buckle engaging portion through the rotating shaft. A reset spring is provided at one end of the rotating plate, and a hook corresponding to the engaging groove is provided at the other end.

3. The waist belt with a tail clip as claimed in claim 2, characterized in that: The female buckle engaging portion is provided with a slide groove matched with the male buckle engaging portion, and the slide groove is provided with a limiting surface matched with the male buckle engaging portion.

4. The waist belt with tail clip as claimed in claim 2, characterized in that: The safety device comprises a pressing slide plate which is slidably arranged on the outer side of the rotating plate. The pressing slide plate is arranged at one end of the rotating plate close to the return spring. A positioning device is arranged between the rotating plate and the pressing slide plate.

5. The waist belt with tail clip as claimed in claim 1, characterized in that: The rotating plate is provided with a ball fixing cylinder, the positioning device comprises an elastic ball arranged in the ball fixing cylinder, and the inner side of the pressing slide plate is provided with a first positioning groove and a second positioning groove respectively cooperating with the elastic ball; The engaging fixing groove is provided with a spring fixing groove corresponding to the ball fixing tube, one end of the reset spring is sleeved on the outside of the ball fixing tube, and the other end cooperates with the spring fixing groove.

6. The waist belt with tail clip as claimed in claim 1, characterized in that: The rotating plate is provided with two corresponding positioning grooves, the pressing slide plate is provided with an L-shaped sliding block corresponding to the positioning grooves, and corresponding guiding convex strips are respectively provided on both sides of the pressing slide plate on the rotating plate.

7. The waist belt with a tail clip as claimed in claim 1, characterized in that: The inner side of the tail clip is arched.

8. The waist belt with tail clip as claimed in claim 7, characterized in that: One side of the waist belt sliding groove is provided with anti-slip teeth.

9. The waist belt with tail clip as claimed in claim 7, characterized in that: A sewing groove is arranged on the outer side of the waist belt fixing groove on the tail clip.

10. The waist belt with tail clip as claimed in claim 1, characterized in that: A connecting groove is provided at one end of the male buckle, and the first connecting member comprises an end tooth plate rotatably arranged in the connecting groove, and a plurality of teeth are provided on the end tooth plate, and the teeth are in an inclined cone shape.

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