公开(公告)号：US11014150B2

公开(公告)日：2021-05-25

申请号：US15746793

申请日：2016-07-07

Applicant: Kyungil Cho

Inventor： Kyungil Cho

IPC: B33Y30/00 ,  B22D23/00 ,  B33Y50/00 ,  B22D46/00

Abstract: A 3D printer for a metal alloy filament is provided in which, in order to prevent the oxidation of a metal alloy laminate, an inert gas is introduced, the outside and heat and air are blocked, and a metal alloy filament that is melted in a nozzle and extruded is laminated one layer at a time on a floor plate installed inside a heated chamber and moving three-dimensionally with respect to the nozzle, in order to firmly attach the filament having little deformation.

公开(公告)号：US20100071739A1

公开(公告)日：2010-03-25

申请号：US12517047

申请日：2008-01-10

Applicant: Kyungil Cho

Inventor： Kyungil Cho

IPC: A61H3/02

CPC classification number: A61H3/02 ,  A61H2201/0161

Abstract: Provided is a method of conveniently adjusting a height of a crutch that improves a conventional method of adjusting a length of a medical crutch and a height of a hand grip thereof. The conventional method of adjusting heights of a crutch including a armpit support 54 at an upper part thereof, a hand grip 11 at a middle part thereof, and a leg pole pipe 4 at a lower part thereof using a bolt, nuts, and a button is improved. A single fixing pin 21 installed inside a hand grip that is located in the middle part of a crutch is used to promptly adjust the height of the crutch including a side pole pipe 51 that is located in the upper part thereof and to which a armpit support 54 having armpit projections 54-1 at both ends thereof is attached, the hand grip 11, and a leg pole pipe 52 that is located in the lower part thereof. A steel reinforcing armature 100 is inserted into the leg pole pipe 52 that is S-curved, and a crutch rubber tip 53 is located in the centroid of the crutch. The leg pole pipe is inserted into the side pole pipe (a) or the leg pole pipe and the side pole pipe cross each other (b) to move both pipes up and down. The heights of the hand grip and the leg pole pipe of the pin type one pole crutch according to the present invention are adjusted using the single fixing pin, and the intensity of the steel reinforcing armature inserted into the leg pole pipe that is S-curved is increased.

Abstract translation: 提供了一种方便地调节拐杖高度的方法，其改进了调整医用拐杖长度的传统方法及其手柄的高度。 使用螺栓，螺母和按钮调整包括腋窝支撑件54在其上部的拐杖高度，其中间部分处的手柄11和其下部的腿杆4的常规方法 改进了 安装在位于拐杖的中部的手把内的单个固定销21用于迅速地调节包括位于其上部的侧极管51的拐杖的高度，并且腋下支撑件 在其两端安装有腋下突起部54-1的钩部54，手柄11和位于其下部的腿部杆管52。 将钢制加强电枢100插入到S形弯曲的脚杆管52中，并且将拐杖橡胶末端53定位在拐杖的重心中。 腿极管插入侧极管（a）或腿极管和侧极管彼此交叉（b），以使两个管道上下移动。 根据本发明的针式单杆拐杖的手柄和腿杆的高度使用单个固定销进行调节，并且将钢筋加强电枢的强度插入到S形的腿杆管中 增加了。

公开(公告)号：US06655400B2

公开(公告)日：2003-12-02

申请号：US09390665

申请日：1999-09-07

Applicant: Kyungil Cho

Inventor： Kyungil Cho

IPC: A61H302

CPC classification number: A61H3/02

Abstract: A height-adjusting medical crutch having a fixed globe (6) whose center is penetrated so that a middle bottom frame (4) can pass therethrough, a side frame (8), a rivet (10) which fixes a fixed globe (6) on a lower part of the side frame (8) and the middle bottom frame (4) which is moved through the inner side of the fixed globe (6) so that the height of the medical-adjusting crutch can be adjusted. A tight coupler (12) having an arc form is formed continuously on the inner radial surface,of the fixed globe (6) so that the tight coupler (12) adheres to the space between the middle bottom frame (4) and the side frame (8). A side frame (8a) is penetrated to be inserted into both sides of the inner radial surface of the fixed globe (6a) and the side frame (8a) is fixed on the upper edge and lower edge of the medical crutch.

Abstract translation: 一种具有固定球体（6）的高度调节的医用拐杖，其中心穿过中间的底部框架（4）可以穿过其中，侧框架（8），固定固定球体（6）的铆钉（10） 在侧框架（8）的下部和通过固定球体（6）的内侧移动的中间底框架（4）的下部，从而可以调整医用调节拐杖的高度。 在固定球体（6）的内部径向表面上连续地形成具有弧形的紧密联接器（12），使得紧密联接器（12）粘附到中间底部框架（4）和侧部框架 （8）。 侧框架（8a）被穿透以插入固定球体（6a）的内径向表面的两侧，并且侧框架（8a）固定在医用拐杖的上边缘和下边缘上。

公开(公告)号：US5445175A

公开(公告)日：1995-08-29

申请号：US254109

申请日：1994-06-06

Applicant: Kyungil Cho

Inventor： Kyungil Cho

IPC: A61H3/02

CPC classification number: A61H3/02

Abstract: A medical crutch includes a hollow bottom leg member and a pair of hollow side rail members running parallel at a predetermined distance apart, and merged by inflections which are in turn engaged to the bottom leg member at its opposite sides, each of the bottom leg and side members having a cross section of a round-cornered rectangle or an ellipsoid with a flat engagement surface with respect to the adjacent members increasing the resistance to the lateral working loads of the crutch in use and facilitating the assembly of the members as well as the precise punching operations for forming screw holes through which a plurality of screw bolts and nuts fasten the members together; each of the bottom leg and side rail members having a reinforcing means extending inside thereof in a direction vertical to the load-acting lateral direction to prevent a crushing of the member in the punching and a bending operation to form said inflections; and a grip means including concave and convex surfaces formed integral to each of the bottom leg and side rail members to allow a positive locking engagement between the members while reinforcing the members against the punching operations by effecting the corresponding thickened wall to the areas of the members to be punched.

Abstract translation: 医用拐杖包括中空的底部腿部构件和一对以预定距离平行延伸的中空侧轨构件，并且通过变形合并，所述弯曲又在其相对侧接合到底部腿构件，每个底部腿部和 具有圆角矩形或具有相对于邻近构件的平坦接合表面的椭圆形的横截面的侧部构件增加了在使用中拐杖的横向工作载荷的阻力，并且便于构件的组装以及 用于形成螺钉孔的精密冲压操作，多个螺栓和螺母通过该螺钉孔将构件固定在一起; 每个底腿和侧轨构件都具有一个加强装置，该加强装置在垂直于载荷作用的横向的方向上延伸，以防止在冲压中的构件的破碎和弯曲操作以形成所述变形; 以及夹持装置，其包括与底部腿和侧部轨道构件中的每一个一体形成的凹入和凸形表面，以允许构件之间的正向锁定接合，同时通过将相应的增厚壁施加到构件的区域而加强构件以抵抗冲压操作 被打了