Disclosed is an articulation type supporter which is formed in a multiple-joint structure configured to support an item such as a book, a portable device, etc. wherein the rotation of the movable frame based on the weight of the item is limited about the connected portion of the base frame, and it i
Disclosed is an articulation type supporter which is formed in a multiple-joint structure configured to support an item such as a book, a portable device, etc. wherein the rotation of the movable frame based on the weight of the item is limited about the connected portion of the base frame, and it is convenient for a user to handle. The featured configuration includes the base frame installed at the fixed structure, a movable frame of which one end is connected through the first hinge connection unit to the base frame, and the connection frames which are connected in series from the other end of the movable frame through the second hinge connection unit, wherein the first hinge connection unit includes the first brake unit configured to limit the rotations of the movable frame in response to the weight applied from the other end of the movable frame while providing the upward and downward rotation motion of the movable frame in response to the user's force.
대표청구항▼
1. An articulation type supporter, comprising: a base frame which is rotatably installed at a structure;a movable frame of which one end is connected to the base frame and a first hinge connection unit, and the other end rotates by receiving a guide of the first hinge connection unit; anda plurality
1. An articulation type supporter, comprising: a base frame which is rotatably installed at a structure;a movable frame of which one end is connected to the base frame and a first hinge connection unit, and the other end rotates by receiving a guide of the first hinge connection unit; anda plurality of connection frames which are in series connected through a portion of the other end of the movable frame and a plurality of second hinge connection units which are arranged with a predetermined interval from the portion of the other end of the movable frame, wherein a supported is connected to the connection frames so as to mount a predetermined item on the top of an end portion of the last position, andthe first hinge connection unit includes a brake unit which enables a free upward rotation motion of the movable frame and is configured to provide pressure in order for a downward rotation motion of the movable frame to be performed with respect to a previously set weight which is applied from the other end of the movable frame,wherein the brake unit comprises a first brake unit which includes:a central shaft which is installed passing through the base frame and the movable frame through a center of a horizontal hinge shaft;a fixing unit part which is configured to prevent the separation of the movable frame with respect to the base frame through both ends of the central shaft;a first ratchet wheel which is configured to prevent rotation at the central shaft corresponding to a slit;a first pole of which one end is hinge-connected to the base frame or an inner side of a hinge hub, and the other end elastically rotates by a first elastic member and is tooth-engaged with the first ratchet wheel through the slit when the other end of the movable frame rotates downward; anda first pressing unit part which is installed at the central shaft and provides pressure to both sides of the movable frame based on the support of the base frame. 2. The supporter of claim 1, wherein the first hinge connection unit comprises: the hinge hub which is disposed at the base frame and forms an opening in the direction of one side;the horizontal hinge shaft which is rotatably supported since a boss shape protruding from one end of the movable frame to the other side is inserted inside of the hinge hub and includes the slit which passes through the inner and outer sides at a part of the section of the surrounding of the side wall; andthe brake unit. 3. The supporter of claim 1, wherein the central shaft includes a protrusion which is formed at an outer circumferential surface biased toward one side of the movable frame and protrudes vertically in the longitudinal direction, and the first pressing unit part is configured in such a way that at the other side surface of the movable frame including the horizontal hinge shaft, there is provided a pressing member configured to provide an engaging pressure in the direction of the protrusion based on the position engaged from the other end of the central shaft to one end with respect to the base frame. 4. The supporter of claim 1, wherein the first pressing unit part includes a pressing member which is engaged in the direction of the center at both ends of the central shaft and provides an engaging pressure in order for the movable frame including the horizontal hinge shaft disposed between them to be pressed. 5. The supporter of claim 3, wherein there is provided a disk spring which is disposed at a central shaft between one side surface of the movable frame and the opposite protrusion and between the other side surface of the movable frame including the horizontal hinge shaft and the opposite first ratchet wheel or between one side surface of the movable frame including the horizontal hinge shaft or the other side surface and the opposite first ratchet wheel, and is configured to elastically support the interval between the components with the aid of the pressure from the engagement of the pressing member. 6. The supporter of claim 5, wherein there are further provided a pair of opposite washer members which each have a friction coefficient lower than that of each component and are disposed between the portions where the rotations of each opposite component are relatively performed in the longitudinal direction of the central shaft, wherein the portions include a portion between one side surface of the movable frame and the opposite disk spring, a portion between the other side surface of the movable frame including the horizontal hinge shaft and the opposite disk spring, a portion between one side surface of the base frame or one side surface of the hinge hub and the opposite other side surface of the movable frame including the horizontal hinge shaft or a portion between the disk springs facing one side surface and the other side surface of the movable frame including the horizontal hinge shaft and a portion between the other side surface of the movable frame including the horizontal hinge shaft and the opposite first ratchet wheel. 7. The supporter of claim 5, wherein the fixing unit part is formed of a nut which is configured to move the central shaft to the other side based on the support of the other side surface of the base frame or the hinge hub when engaging from the other end of the central shaft in a state where one side of the movable frame is supported by the protrusion or the pressing member. 8. The supporter of claim 7, wherein the base frame forms an assembly hole passing through one side and the other side, and one or more than one first pin groove is formed with a predetermined width and depth in the direction of one side along the surrounding of a portion of a circumferential surface of the other side of the assembly hole, and the hinge hub forms a first through hole through the center of which a portion of the other end of the central shaft passes in a cap shape inserted from the other side of the assembly hole to one side, and a shape formed since a portion corresponding to the first pole in the surrounding of the side wall is cut or a cutting unit concave at the inner wall is provided, and a second pin groove having a predetermined depth is formed in the direction of the center on an outer circumferential surface corresponding to the first pin groove, andan end portion of the divide pin is engaged and inserted into the second pin groove, and the other end of the divide pin is engaged with and is inserted into the first pin groove, andthe fixing unit part includes:a support member which forms a second through hole through which a portion of the other end of the central shaft passes and is arranged so that a portion of an outer circumferential surface of one side of the second through hole comes into close contact with the other side surface of the hinge hub, and a portion of an edge of the outer side comes into close contact with the other side surface of the base frame; anda nut which is closely thread-engaged over from a portion of the other end of the central shaft, which protrudes through the second through hole, to the other side surface of the support member. 9. The supporter of claim 1, wherein the movable frame forms, at a portion of one end, a third through hole through which the central shaft passes, and the horizontal hinge shaft forms at one side a fourth through hole through which the central shaft passes and forms, from a portion of the center to the other side, a fifth through hole formed in a shape more expanded than the fourth through hole and having an inner diameter than the outer diameter of the first ratchet wheel, and the slit is formed at the side wall of the fifth through hole corresponding to the first ratchet wheel, andthe engagement of the horizontal hinge shaft with respect to the other side surface of the movable frame is performed in such a way that engaging bolts arranged at regular intervals on the concentric circle about the third and fourth through holes pass through one side of the movable frame and are engaged with the horizontal hinge shaft. 10. The supporter of claim 9, wherein one end of the first connection frame among the connection frames is rotatable in the horizontal direction about the second hinge connection unit and is connected to the other end of the movable frame in such a way that one end of the first connection frame may be folded or estranged with respect to the movable frame based on the position of the rotation, and the remaining connection frames are in series connected in a connection way of the first connection frame with respect to the other end of the movable frame through the second hinge connection unit, and a first installation groove of which an inner diameter is further expanded is formed in least one circumferential surface in the third and fourth through holes which contact with each other, andthe movable frame forms a guide groove of which one end communicates with the first installation groove, and the other end extends to the other end of the movable frame, andthe second brake unit is installed inside of the first installation groove, andin the guide groove, there is provided a displacement adjusting unit of which one end is connected to the second brake unit, and the other end is connected to the connection frames based on an in-series connection through one or more than one second hinge connection unit, for thereby adjusting a braking performance of the second brake unit based on the arrangements of the connection frames including the movable frame. 11. The supporter of claim 1, wherein the first hinge connection unit comprises: a central shaft which is installed passing through the base frame and the movable frame;a fixing unit part which is configured to prevent separation of the movable frame with respect to the base frame through both ends of the central shaft; andthe brake unit, andwherein the brake unit comprises:a third brake unit, including:a bearing clutch which is engaged at the movable frame through which the central shaft passes;a bush which is rotatably installed at the central shaft and has an outer circumferential surface in a shape of a steel pipe having a flange unit at the other side is correspondingly inserted into the bearing clutch; anda pressing member which is installed at the central shaft and provides pressure to the flange unit of the bush based on the support of the base frame. 12. The supporter of claim 11, wherein the bearing clutch and the bush are inserted from the other side of the movable frame, and a second installation groove is formed at one side of the movable frame and about the central shaft, andthe movable frame further includes a guide groove of which one end communicates with the first installation groove, and the other end extends to the other end of the movable frame, andthe second brake unit is inserted in the second installation groove; andin the guide groove, there is provided a displacement adjusting unit of which one end is connected to the second brake unit, and the other end is connected to the connection frame based on an in-series connection through one or more than one second hinge connection unit, for thereby adjusting the braking performance of the second brake unit based on the arrangement of the connection frame including the movable frame. 13. The supporter of claim 10, wherein the second brake unit comprises: a brake shoe of which one end is hinged at a portion of the direction of one end of the movable frame in the first installation groove, and the intermediate portion is shaped to have an area contact at the outer circumferential surface of the central shaft in response to the rotation position, and the other end is connected to the displacement adjusting unit; and a return elastic member which is installed at an inner wall of the first installation groove and provides an elastic force for the brake shoe to be estranged from the central shaft. 14. The supporter of claim 13, wherein the displacement adjusting unit comprises: a first tensile member of which one end is fixed at the other end of the brake shoe and the other end is guided to its inner side based on a support at one end of the guide groove;a first buffer member which is installed inside of the guide groove and of which one end is connected to the other end of the first tensile member and is elastically contractible; anda second tensile member of which one end is fixed at the other end of the first buffer member, and the intermediate portion is wound one or more than one time sequentially around the second hinge connection unit, and the other end is fixed at a portion of the other end of the connection frame of the last end. 15. The supported of claim 13, wherein the first and second tensile members are formed in a shape of a wire or a band, and at a portion of the other end of the connection frame positioned at the last end, there is further provided a second buffer member which is capable of adjusting the length of the second tensile member including a way of winding the length by the other end of the second tensile member or changing the installation path. 16. The supporter of claim 13, wherein the displacement adjusting unit comprises: a wide or band-shaped third tensile member of which one end is fixed at the other end of the brake shoe, the intermediate portion is guided from one end of the guide groove and is wound one or more than one time around the second hinge connection unit, and the other end is connected to the other end of the connection frame; anda third buffer member which is installed at the other end of the last connection frame for thereby elastically fixing and winding the other end of the third tensile member. 17. The supporter of claim 16, wherein the second hinge connection unit includes: a vertical hinge shaft which is installed passing through a portion where the other end and one end of each of the neighboring connection frames are overlapped; anda roller which is rotation-free on the vertical hinge shaft in a cylinder shape surrounding the vertical hinge shaft, andwherein the second and third tensile members are connected in series from one side to the other side among the connection frames which are wound by the roller and are connected by the second hinge connection unit. 18. The supporter of claim 17, wherein the second hinge connection unit comprises a second pressing unit part which is configured to press for preventing the connection frames interposed based on the engaging position in the direction of the center at both ends of the vertical hinge shaft from estranging from each other in the longitudinal direction of the vertical hinge shaft. 19. The supporter of claim 18, wherein at each of the connection frames which are rotatably connected to each other about the second hinge connection unit, there is provided a stopping unit which is configured to regulate the rotations of the same with respect to the vertical hinge shaft. 20. The supporter of claim 19, wherein the stopping unit comprises: a second ratchet wheel which is fixed at the top or bottom of the vertical hinge shaft;a second pole of which one end is tooth-engaged with the second latch wheel;a first bracket which is configured to fix the other end of the second pole;a rack which enables the installation of the first bracket;a guide rail which is installed at an inner wall of the connection frame and guides the rack to slide along the longitudinal direction of the connection frame;a lever of which one end is hinge-connected to a portion of the other end of the connection frame positioned at the last end, the intermediate portion protrudes from the inside through the side portion of the corresponding connection frame, and the other end is connected through a link to the rack; anda push bar which is provided inside of the connection frame and provides an elastic force in order for the lever to protrude from the side portion of the corresponding connection frame. 21. The supporter of claim 20, wherein the stopping unit comprises: a cylindrical drum which is interposed between the vertical hinge shaft and the roller and is rotation-free;a pinion which is provided at a portion of one end of the drum corresponding to the rack and is engaged with the rack;a timing gear which is provided at the other end of the drum and rotates together with the drum;a timing belt which is connected in order for the timing gear at one end of the connection frame positioned at the last end and the timing gear at one end of another connection frame connected to the second hinge connection unit to interlock with each other;a second bracket which is fixed at the timing belt;another rack of which one end is fixed at the second bracket and which is slide-guided by the guide rail installed at the inner wall of the another connection frame;a third bracket which is installed at the other end of the another rack; anda second pole which is fixed at the third bracket and is tooth-engaged with the second ratchet based on the sliding position of the another rack. 22. The supporter of claim 1, wherein the central shaft is formed in a shape of a circular pillar, and the side wall is chamfered along the longitudinal direction from one or more than one end among both ends of the longitudinal direction to the portion where the first ratchet wheel is installed, andthe first ratchet wheel forms at the center an insertion hole corresponding to the chamfered cross section shape of the central shaft. 23. The supporter of claim 1, wherein the base frame and the movable frame and a plurality of the connection frames communicate along the longitudinal direction of each configuration in order for a cable path formed inside for the installation of an electric power cable extending from the outside to extend in series to the supporter.
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이 특허에 인용된 특허 (19)
Cutler Daniel James (633 W. State Apt. #2-A Springfield MO 65806), Adjustable article-holding stand apparatus.
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Skalka Gerald P. (5027 Cathedral Ave. ; NW. Washington DC 20016) Skalka Stanley H. (9015 Mistwood Dr. Potomac MD 20854), Multi-position computer support.
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