KR101274051B1 - Caster and white board having the caster - Google Patents

Abstract

PURPOSE: A caster and a white board including the same are provided to stably maintain each position of wheels and facilitate showing and hiding the wheels by equipping an attachment member and a stationary member. CONSTITUTION: A caster(1) comprises a wheel(2), a supporting member(3), a cylindrical stopper(4), and a stationary member(6). The wheel comprises a fixing bolt(21) in order to be fixed by a nut(10) on the lower surface of furniture. The supporting member is equipped with a shaft hole(31) and a guide groove(32). The supporting member supports the stopper to smoothly rotate. The stopper is equipped with a shaft rod(41) and embeds a magnet(51) as an attachment member(5) into an upper part. The stopper is equipped in the lower side of the guide groove for restricting the rotation of the stopper in order to maintain a stationary state.

Description

White board with casters and casters {CASTER AND WHITE BOARD HAVING THE CASTER}

The present invention relates to a white board including a caster and a caster, and more particularly, includes a caster and a caster mounted on a teaching aid or furniture including the white board so as to conveniently and stably convert transfer and stop states. It is about a white board.

In general, various casters have been proposed that can move and stop to facilitate the movement of furniture, furniture, etc., and to keep and utilize them in a stationary state.

One of the conventional casters, "a height-adjustable moving wheel" is disclosed in Republic of Korea Utility Model Publication No. 1990-2267 (1990.03.17. Notification), as shown in Figure 9 and the insertion groove 101 and the middle in the outer surface A support body 100 having a recess 103 formed at a position connected to the support jaw 102 positioned in the support body 100, and the support body 102 after being inserted into the insertion groove 101 while wrapping the support body 100 outward. ) And a control mechanism 110 having a locking protrusion 111 to move to the groove 103, and the ball 120 for contacting the support body 100 and the ground while being disposed inside the control mechanism 110. do. The height-adjustable moving wheel is a ball for moving when the position of the locking projection 111 of the adjusting opening 110 reaches the position of the supporting jaw 102 of the supporting body 100 as shown in FIG. 9 (A). 120 is in a free state while the lower portion of the adjusting device 110 is in contact with the ground and is in a stopped state, as shown in Figure 9 (B) the position of the locking projection 111 of the control body 110 of the support body 100 Moving away from the support jaw 102 position to the groove 103 on one side, the adjustment opening 110 is free and at the same time the lower portion of the support body 100 is in contact with the upper portion of the moving ball 120 and the moving ball 120 The lower part is in contact with the ground, so that the state is movable. In order to match the position of the locking projection 111 of the control mechanism 110 to maintain the stop state to the support jaw 102 of the support body 100 in order to maintain the stop state freely rotating the support body ( Discomfort to lift the 100, there is a problem that can not be easily separated to maintain the stop state when the flow occurs after the position is matched, the control port 110 is also freely in the terminated state always under the ground by its own weight Therefore, there is a problem that is easily broken due to noise generation and jamming due to contact when moving.

In addition, the "caster of the refrigerator" which is one of the conventional casters is disclosed in Korean Patent Laid-Open Publication No. 1999-59636 (published on July 26, 1999), and the guide groove 201 and this guide on the inner surface as shown in FIG. The body 200, which communicates with the groove 201 and forms a first support groove 202 located below and a second support groove 203 located above, and the body guide groove 201 inside the body 200. It is composed of a wheel 210 having a central axis 211 to be moved to the first support groove 202 or the second support groove 203 after being inserted into. When the caster of the refrigerator is inserted into the first support groove 202 while the central axis 111 of the wheel 210 is moved along the guide groove 201 of the body 200 as shown in FIG. Since the 210 is in contact with the ground, the movement is made freely, and as shown in FIG. 10 (B), the position of the center axis 211 of the wheel 210 moves along the guide groove 201 of the body 200. When the support groove 203 is inserted into the position of the wheel 210 is inserted into the interior of the body 200, the lower portion of the body 200 is in contact with the ground is to be stopped. In the above process, the lower contact surface of the wheel 210 is drawn out to the lower part of the body 200 to maintain the moving state or inflow to maintain the stationary state. Since the position must be adjusted by hand after gripping, of course, the inconvenience is of course, if you put the lifting body 200 is wrong, the finger is pressed on the body 200 or the wheel 210, causing injury.

In addition, one of the conventional casters, "unified casters having adjustment groups" is disclosed in the Republic of Korea Utility Model Publication No. 1998-14151 (published on June 05, 1998), the height is different on the outer surface as shown in FIG. Wheel having a body 300 and a central shaft 311 is inserted into the U-shaped guide groove 301 and moved and rotated while being inserted into the body 300 to form a U-shaped guide groove 301 forming a ( 310). In the integrated caster having the adjustment foot, as shown in FIG. 11A, when the central axis 311 of the wheel 310 is located at a lower position of the U-shaped guide groove 301, the wheel 310 is in contact with the ground. Since the state can be freely moved, as shown in (B) of Figure 11 when the position of the wheel 310, the central axis 311 is moved upward along the U-shaped guide groove 301 of the body 300 ( 310 is a state that is inserted into the interior of the body 300, at this time will be in a stationary state because the lower portion of the body 300 in contact with the ground. In the process, the lower contact surface of the wheel 310 is drawn out to the lower part of the body 300 to maintain the moving state or inflow to maintain the stationary state after lifting the body 300 all the wheels 210 Since the position must be adjusted by hand after gripping, of course, the inconvenience is of course, if you put the lifting body 200 is wrong, the finger is pressed on the body 200 or the wheel 210, causing injury.

"형 안내홈(411)을 천공하고 상부 선단에 손잡이(412)를 형성한 바퀴틀(410)을 수평이동하도록 저면에 장착한 몸체(400)와, 상기 바퀴틀(410) 내측으로 삽입되면서 상기 "

"형 안내홈(411)에 끼워져 이동 및 회전하는 중심축(421)을 갖는 롤러(420)로 구성된다. 상기 출몰식 바퀴는 도 12(A)와 같이 롤러(420)의 중심축(421) 위치가 "

"형 안내홈(411)의 낮은 곳에 위치하면 롤러(420)는 지면에 접촉되는 상태이므로 자유롭게 이동이 이루어질 수 있고, 도 12(B)와 같이 상기 바퀴틀(410)의 손잡이(412)를 밀어넣어 수평이동시키면 롤러(420) 중심축(421)의 위치가 바퀴틀(410)의 "

"형 안내홈(411)을 따라 높은 쪽으로 수직이동하여 롤러(420)는 바퀴틀(410)의 내부로 삽입된 상태가 되고, 이때 바퀴틀(410)의 하부가 지면에 접하므로 정지상태가 되는 것이다. 상기 출몰식 바퀴는 바퀴틀(410)은 수평이동하고 롤러(420)는 상하이동하는 구성이므로 롤러(420)가 바퀴틀(410) 내부로 유입되기는 쉽지만 롤러(420)를 하부로 나오도록 바퀴틀(410)의 손잡이(412)를 밀어넣는 수평이동이 매우 힘들고 어렵다. 이때 본체(400)를 들어올려 롤러(420)에 하중이 전달되지 않을 때 바퀴틀(410)의 손잡이(412)를 이용하여 이동시켜야하므로 역시 작업이 불편하다. 또한, 바퀴틀(410)은 고정 또는 정지 상태를 유지시키는 장치가 없으므로 이동 또는 사용중 진동 등이 발생하여 바퀴틀(410)이 조금만 유동하여도 곧 롤러(410)가 "

"형 안내홈(301)을 따라 높은 쪽으로 쉽게 이동하므로 이동 상태의 유지가 어려운 문제점이 발생하게 된다.
In addition, the "casting wheel" which is one of the conventional casters is disclosed in Republic of Korea Utility Model Publication No. 20-397275 (2005.09.29. Announcement), as shown in Figure 12 to form a step on the outer side "

The body 400 and the body 400 mounted on the bottom surface so as to move the horizontal guide hole 411 and the handle 412 formed on the upper end with a handle 412 on the upper end, while being inserted into the wheel frame 410 "

It consists of a roller 420 having a central axis 421 is inserted into the "shaped guide groove 411 to move and rotate. The wandering wheel is a central axis 421 of the roller 420 as shown in Figure 12 (A). Location is "

If the roller 420 is located in the lower position of the "shaped guide groove 411, it can be freely moved because it is in contact with the ground, and push the handle 412 of the wheel frame 410 as shown in Figure 12 (B) If the horizontal movement of the roller 420, the position of the central axis 421 of the wheel frame 410 "

"Moving vertically upward along the guide groove 411, the roller 420 is inserted into the interior of the wheel frame 410, at this time the lower part of the wheel frame 410 is in contact with the ground is to be stopped The wandering wheel is a wheel frame 410 is moved horizontally and the roller 420 is moved so that the roller 420 is easy to flow into the wheel frame 410, but the roller 420 to come out Horizontal movement is very difficult and difficult to push the handle 412 of the wheel frame 410. At this time, when the load is not transmitted to the roller 420 by lifting the main body 400, the handle 412 of the wheel frame 410 In addition, the operation is inconvenient, because the wheel frame 410 does not have a device for maintaining a fixed or stationary state, so that vibrations occur during movement or use, so that even if the wheel frame 410 flows a little, the roller ( 410 "

Since it moves easily up along the "type guide groove 301, it is difficult to maintain the moving state occurs.

Republic of Korea Utility Model Publication No. 1990-2267 (August 17, 1990) Republic of Korea Utility Model Publication No. 1998-14151 (released on June 5, 1998) Republic of Korea Utility Model Publication No. 1998-14151 (released on June 5, 1998) Republic of Korea Utility Model Registration Publication No. 20-397275 (August 29, 2005)

Accordingly, the present invention is to solve the above-mentioned conventional problems, an object of the present invention is to provide a caster having an attachment member and a stop member so that the wheel can be haunted more easily and each position state can be stably maintained. .

In addition, another object of the present invention is to provide a white board including a caster having an attachment member and a stop member so that the wheel can be easily and haunted and each position can be stably maintained.

"형 안내홈이 다수 형성된 지지부재; 상기 지지부재의 "

"형 안내홈에 끼워지는 축봉을 다수 포함하면서 상부에 부착부재인 자석을 매립시킨 원통형 스토퍼; 및 상기 스토퍼의 회전을 저지하여 정지 상태를 유지시키도록 상기 지지부재의 "

"형 안내홈 하측에 제1 정지부재를 구비하거나 상기 스토퍼의 하부에 제2 정지부재를 마련하여 이루어지는 것을 기술적 구성상의 특징으로 할 수 있다.
Caster of the present invention for achieving the above object is a wheel to which the fixing bolt is coupled to the upper side to be fixed by a nut on the parish or furniture bottom; A shaft hole penetrating the fixing bolt of the wheel is drilled in the center and the upper side is opened on the circumferential surface "

"Support member formed with a plurality of guide grooves; of the support member"

"A cylindrical stopper having a plurality of shaft rods fitted in the shape guide groove and embedded with a magnet attached to the upper portion; and the support member to stop the rotation of the stopper to maintain a stop state.

It may be characterized by the technical configuration that the first stop member is provided below the "shaped guide groove" or the second stop member is provided below the stopper.

"형 안내홈이 다수 형성된 지지부재와, 상기 지지부재의 "

"형 안내홈에 끼워지는 축봉을 다수 포함하면서 상부에 부착부재인 자석을 매립시킨 원통형 스토퍼 및 상기 스토퍼의 회전을 저지하여 정지 상태를 유지시키도록 상기 지지부재의 "

"형 안내홈 하측에 제1 정지부재를 구비하거나 상기 스토퍼의 하부에 제2 정지부재를 포함하는 캐스터가 하이트보드를 거치하는 기둥프레임 하단을 고정되는 받침대에 장착되어 이루어지는 것을 기술적 구성상의 특징으로 할 수 있다.
In addition, the white board including the caster of the present invention for achieving the above object is a wheel with a fixing bolt coupled to the upper side to be fixed by a nut on the parish or furniture bottom, the shaft hole penetrating the fixing bolt of the wheel in the center Perforated and open to the perimeter

"Support member formed with a plurality of guide grooves, and the"

"A cylindrical stopper having a plurality of shaft rods fitted in the shape guide groove and embedded with a magnet, which is an attachment member on the top, and the support member to stop the rotation of the stopper to maintain a stop state."

"The caster having a first stop member in the lower side of the guide groove or the second stop member in the lower portion of the stopper is mounted to the pedestal fixed to the bottom of the pillar frame for mounting the height board Can be.

The white board including the caster and the caster according to the present invention is smoothly operated up and down by the stopper shaft of the stopper along the guide grooves of the support members formed at three places, and the stopper is attached to the pedestal by a magnet as an attachment member and is spaced apart from the ground. Therefore, it is safely protected during movement, and the first and second stop members mounted on the support member and the stopper separate the wheels from the ground and at the same time, it is very convenient and useful to use because it can keep the stop state stably.

1 is an exploded perspective view showing a caster according to the present invention.
Figure 2 is a perspective view of a white board including a caster according to the present invention.
Figure 3a to 3c is a cross-sectional view showing a part cut to explain the state in which the stopper of the caster according to the present invention is lowered and the wheel is raised to stop the movement.
Figure 4 is a cross-sectional view showing a state in which the stopper of the caster according to the present invention is lifted and the wheel is lowered and movable.
5 is a partially enlarged cross-sectional view illustrating a state in which a stopper of the caster is raised and attached and a state in which an embodiment of the first stop member of the stopper is coupled;
Figure 6 is an exploded perspective view showing a part of the configuration of the second stop member of the caster according to the present invention.
7 and 8 are a front view and a side view showing a cut part to explain the process of the operation of the configuration of the second stop member of the caster according to the present invention.
9 to 12 are cross-sectional views and front views showing the operating state of the conventional casters.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 and 2 is an exploded perspective view showing a white board including a caster and the caster according to the first embodiment of the present invention, 1 is a caster, 2 is a wheel, 3 is a support member, 4 is a stopper, 5 is attached The member, 6 represents a first stop member, 9 represents a white board, 91 represents a stand, 92 represents a pillar frame, 93 represents a pedestal, and 10 represents a nut.

As shown, the present invention is a caster 1 mounted on a parish or furniture bottom of a blackboard, a white board, etc. and used as a moving means.

That is, the caster 1 of the first embodiment according to the present invention is a pedestal 93 fixed by fastening bolts to the lower end of the pillar frame 92 of the stand 91 for mounting the white board 9 as shown in FIG. The wheel 2 is coupled to the fixing bolt 21 is fixed by screwing the nut 10 after passing through the fastening hole of the wheel, and the wheel (2) is brought into contact with the ground or moved away from the ground to stop The support member 3 and the stopper 4 for holding are made mutually coupled.

"형 안내홈(32)을 다수 형성하여 상기 스토퍼(4)가 원활하게 회전할 수 있도록 지지하는 역할을 수행하게 된다.The support member 3 has a spiral hole having a shaft hole 31 penetrating the fixing bolt 21 of the wheel 2 at the center thereof and having an upper side opened at the circumferential surface thereof.

Forming a plurality of "type guide groove 32" serves to support the stopper 4 to rotate smoothly.

"형 안내홈(32)에 끼워지는 축봉(41)을 다수 돌출 형성하여 이루어지고, 상기 바퀴(2)가 지면에 접촉되거나 이격될 수 있도록 회전하면서 상하 위치로 이동하도록 이루어진다.In addition, the stopper (4) is formed in a cylindrical shape so as to be wrapped around the outer side of the support member (3) while the upper inner diameter of the "

It is made by forming a plurality of shaft bar 41 is inserted into the "shaped guide groove 32, and is made to move to the vertical position while rotating the wheel (2) to be in contact with the ground or spaced apart.

Meanwhile, as shown in FIG. 4, the stopper 4 is attached to the upper part to prevent the wheel 2 from being lowered by its own weight to be in contact with the ground when the wheel 2 is brought into easy contact with the ground. The phosphor magnet 51 is embedded. The magnet 51 is embedded in a portion as shown in FIG. 1 or embedded in a ring shape as shown in FIG. 6 so as to be attached by magnetic force to a pedestal 93 made of metal as shown in FIG. 4 in an elevated state. Do not touch the ground when moving.

"형 안내홈(32) 및 스토퍼(4)의 축봉(41)은 3개소에 균등한 각도로 배치하여 축봉(41)에 작용하는 힘의 분산이 이루어지고 안정적으로 지지가 되어 원활한 작동으로 이어지도록 구성하게 된다.And the support member 3 "

The shaft bar 41 of the "shaped guide groove 32 and the stopper 4 is arranged at equal angles in three places so that the force acting on the shaft bar 41 is distributed and is stably supported, leading to smooth operation. Will be constructed.

"형 안내홈(32) 하측에 제1 정지부재(6)를 구비하게 된다.On the other hand, as the core technology of the present invention, the support member 3 "

The first stop member 6 is provided below the “shaped guide groove 32.

That is, the first stop member 6 is the shaft of the stopper 4 by shock or vibration in a state in which the stopper 4 moves downward and is spaced apart from the ground as shown in FIGS. 3A to 3C. Since the 41 can move upward along the guide groove 32 of the support member 3, the ball 61 and the spring 62 are basically used to block the movement of the shaft bar 41 and maintain the stopped state. After the ball 61 and the spring 62 are accommodated in the pocket 63 and fixed to the support member 3 with a conventional screwing or the like, a part of the ball 61 is supported by the support member ( Protruding into the guide groove 32 of 3) is made so as to block the shaft bar 41 of the stopper (4) to move as shown in FIGS. 3b and 3c. On the contrary, when the stopper 4 is rotated by applying an artificial force to raise the stopper 4, the force is transmitted to the ball 61 through the shaft 41, and the transmitted force supports the ball 61. When the ball 61 is pushed out of the guide groove 32 of the support member 3 when it is transmitted stronger than the elastic force of the 62, the shaft 41 is moved at the same time, so that the stopper 4 moves as shown in FIG. The wheel 2 is to be in contact with the ground is to be movable.

 In addition, as shown in FIG. 5, the first stop member 6 inserts the spring 62 and the ball 61 directly into the support member 3 itself and fixes the fastening screw ring 64 to fix the ball 61. Some may protrude into the guide groove 32 of the support member 3 so that the shaft rod 41 of the stopper 4 is caught so that the movement can be stopped.

"형 안내홈(32)이 다수 형성된 지지부재(3)와, 축봉(41)을 다수 포함하면서 상부에 부착부재(5)인 자석(51)을 매립시킨 원통형 스토퍼(4)를 기본 구성으로 하고, 상기 스토퍼(4)의 회전을 저지하여 정지 상태를 유지시키도록 상기 스토퍼(4)의 하부에 또 다른 핵심기술인 다수의 제2 정지부재(7)를 구비하게 된다. 상기 제2 정지부재(7)는 스토퍼(4)의 하부 3개소에 멈춤구(74)가 배치되어 균형을 이루면서 정지상태를 유지시키는 역할을 수행하게 된다.Next, referring to the caster 1 of the second embodiment according to the present invention, the wheel 2 and the shaft hole 31 to which the fixing bolt 21 is coupled are drilled in the center and the upper side is opened on the circumferential surface.

The basic configuration includes a support member 3 formed with a plurality of " type guide grooves 32 " and a cylindrical stopper 4 including a plurality of shaft rods 41 and a magnet 51, which is an attachment member 5, embedded therein. In order to prevent rotation of the stopper 4 to maintain the stop state, a plurality of second stop members 7, which are another core technology, are provided below the stopper 4. ) Is a stopper 74 is arranged in the lower three places of the stopper (4) is to play a role in maintaining a stopped state while balancing.

That is, in order to mount the second stop member 7, as shown in Figs. 6 and 7 (B), the bottom surface is opened to the stopper 4, and the fitting groove 42 is drilled in the inner horizontal direction, and the projections are formed on the upper part ( The operating space 44 in which the 43 is formed is provided. And the second stop member 7 is accommodated in the operating space 44 of the stopper 4, the stop groove is formed in the upper end of the upper step forming a stepped groove 72 and the locking groove 73 formed on the inner side 74 is provided, and this stopper 74 is supported by a spring 71 for returning to the initial standby position. In addition, the second stop member 7 is fitted into the engaging groove 73 of the stopper 74 so as to be prevented from being separated from the stopper 74 while being fitted into the inner fitting groove 42 of the stopper 4. It comprises a snap ring (8) protruding from the fixing pin (81).

The locking groove 73 of the stopper 74 has a fixing pin 81 of the snap ring 8 at the bottom of the stopper 74 space so that the bottom surface of the stopper 74 always contacts the ground first. The snap ring 8 prevents the bottom of the stopper 4 from contacting the ground. And when the stopper 4 is further rotated while the lower portion of the stopper 74 is in contact with the ground, the protrusion 43 in the working space 44 stops from the state of FIG. 7 to the state of FIG. 8. As the fixing pin 81 of the snap ring 8 rises together with the stopper 4 when it is moved to the seating groove 72 of the mounting groove 81, the fixing pin 81 of the snap ring 8 in the locking groove 73. Space is provided for) to operate.

"형 안내홈(32)을 따라 이동하여 스토퍼(4) 전체를 상승시키게 되면 동시에 바퀴(2)는 지면에 접촉되고 계속 상승하던 스토퍼(3)는 상단에 매립된 부착부재(5)인 자석(51)에 의해 받침대(93)에 자력으로 부착된다.In addition, the state in which the protrusion 43 of the stopper 4 is placed on the seating groove 72 of the stopper 74 is a stationary state in which it cannot flow, and the protrusion is rotated by applying an artificial force to the protrusion ( 43 is released from the seating groove 72 of the stopper 74, the stopper 4 is freely rotated further, and the shaft 41 of the stopper 4 is "

When moving along the "shaped guide groove 32 to raise the entire stopper (4) at the same time the wheel (2) is in contact with the ground and the stopper (3) that continues to rise is a magnet which is the attachment member (5) embedded at the top ( 51 is magnetically attached to the pedestal 93.

In the process of attaching the stopper 4 to the pedestal 93, the stopper 74 spaced apart from the ground is always pushed to one side as shown in FIG. When the stopper 4 is further rotated such that 74 is in contact with the ground and the projection 43 of the stopper 4 is placed on the seating groove 72 of the stopper 74, it is compressed as shown in FIG. On the contrary, when the stopper 4 is rotated, the spring 71 returns the stopper 74 to the initial state.

And since the stopper 74 serves to prevent the movement when it is in contact with the ground, the bottom surface reveals that it is possible to form a concave-convex surface or attach a separate rubber plate so that the friction force can act.

Further, in the configuration of the caster 1 of each of the embodiments of the present invention, the first stop member 6 and the second stop member 7 are mounted to any one of the support member 3 or the stopper 4. It also turns out that both can be mounted and operated simultaneously to maintain a stationary state.

Therefore, the cast 1 of the first and second embodiments configured as described above is attached to the bottom of the parish and furniture, and the shaft of the stopper 4 along the guide groove 32 of the support member 3 formed in three places. 41 is smoothly operated up and down, and when the wheel 2 moves in contact with the ground, the stopper 4 is attached to the pedestal 93 located on the upper side by the magnet 51, which is the attachment member 5, from the ground. Since it is spaced apart, it is safely protected when moving, and after moving to a predetermined position, the stopper 4 is rotated downward so that the wheel 2 is spaced apart from the ground, and the stopper 4 is a method for maintaining a stable stop state. Operation of the ball 61 and the spring 62, which are the first stop members 6 mounted on the guide grooves 32 of the support member 3 to stop the movement of the shaft bar 41 of the support member 3, and the stopper 4 The mounting groove 72 of the second stop member 7 for mounting and fixing the projection 43 formed in the working space 44 of the Through the operation assistance of the detent opening (74) is capable of maintaining the suspended state of the stopper (4) for stable operation. In particular, as shown in FIG. 2, the stand 91 on which the caster 1 on which the attachment member 5 and the first stop member 6 or the second stop member 7 are mounted mounts the white board 9. When mounted to the pedestal 93 is fixed to the bottom of the pillar frame 92) will be very convenient and safe.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. Therefore, it will be understood by those skilled in the art that the above embodiments can be appropriately modified and modified, so that appropriate changes, modifications, and equivalents should be considered to be within the scope of the present invention.

1: caster 10: nut
2: wheel 21: fixing bolt
3: support member 31: shaft hole
32: home 4: stopper
41: shaft 42: fitting groove
43: turning 44: working space
5: attachment member 51: magnet
6: first stop member 61: ball
62: spring 63: pocket
64; Tightening Screw Ring 7: Second Stop Member
71: spring 72: seating groove
73: locking groove 74: stopper
8: snap ring 81: retaining pin
9: whiteboard 91: stand
92: pillar frame 93: pedestal

Claims (3)

In the caster (1) mounted on the parish or furniture base,
Wheels 2 to which fixing bolts 21 are coupled upward to be fixed by the nut 10 to the parish or furniture bottom;
The shaft hole 31 penetrating the fixing bolt 21 of the wheel 2 is drilled in the center and the upper side is opened on the circumferential surface.

"Support member 3 formed with a plurality of guide grooves 32;
Of the support member 3 "

Cylindrical stopper 4 including a plurality of shaft rods 41 fitted in the "shaped guide groove 32, and embedding the magnet 51 which is the attachment member 5 in the upper part; And
"Of the support member 3 to prevent rotation of the stopper 4 to maintain a stop state.

The first stop member 6 is formed under the "shaped guide groove 32;
The first stop member 6 consists of a ball 61 and a spring 62 and is directly coupled to the support member 3 itself with a fastening screw ring 64 or received in the pocket 63 and then supported by the support member 3. Caster, characterized in that the ball (61) is coupled to the guide groove (32) made to block the movement of the shaft rod (41) of the support member (3).
In the caster (1) mounted on the parish or furniture base,
Wheels 2 to which fixing bolts 21 are coupled upward to be fixed by the nut 10 to the parish or furniture bottom;
The shaft hole 31 penetrating the fixing bolt 21 of the wheel 2 is drilled in the center and the upper side is opened on the circumferential surface.

"Support member 3 formed with a plurality of guide grooves 32;
Of the support member 3 "

Cylindrical stopper 4 including a plurality of shaft rods 41 fitted in the "shaped guide groove 32, and embedding the magnet 51 which is the attachment member 5 in the upper part; And
A plurality of second stop members (7) are provided at the bottom of the stopper (4) to prevent rotation of the stopper (4) to maintain a stop state;
The stopper (4) provides an operating space (44) in which the fitting groove (42) is drilled in the inner horizontal direction and the protrusion (43) is formed on the upper side while opening the bottom surface;
The second stop member 7 is fitted into the bottom opening of the stopper 4 and is accommodated in the operating space 44 of the stopper 4, supported by the spring 71, and seated at the top of the stepped groove 72. And a stop groove 74 having a stop groove 73 formed therein, and a stop groove 74 of the stopper 74 being fitted into the stop groove 74 of the stopper 4. Caster, characterized in that the fixing pin 81 is seated consists of a protruding snap ring (8).
The caster of any one of claims 1 or 2 includes a caster is mounted to the pedestal 93 is fixed to the lower end of the pillar frame 92 of the stand 91 for mounting the white board (9) White board.

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