KR20230146800A - Angle adjustment device for road traffic signs - Google Patents
Angle adjustment device for road traffic signs Download PDFInfo
- Publication number
- KR20230146800A KR20230146800A KR1020220045653A KR20220045653A KR20230146800A KR 20230146800 A KR20230146800 A KR 20230146800A KR 1020220045653 A KR1020220045653 A KR 1020220045653A KR 20220045653 A KR20220045653 A KR 20220045653A KR 20230146800 A KR20230146800 A KR 20230146800A
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- KR
- South Korea
- Prior art keywords
- road
- bevel gear
- rack
- pinion
- road sign
- Prior art date
Links
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/623—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection
- E01F9/65—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection with rotatable, swingable or adjustable signs or signals
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
- E01F9/608—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings for guiding, warning or controlling traffic, e.g. delineator posts or milestones
- E01F9/61—Special features of delineator posts, e.g. with parts cantilevered toward the roadway or fixed vertically on a tilted surface
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/658—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing
- E01F9/673—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing for holding sign posts or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
- F16H1/12—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
- F16H1/14—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising conical gears only
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
- F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
- F16H19/04—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack
Abstract
본 발명은 도로교통 표지판의 각도 조절장치에 관한 것으로, 경사진 언덕이나 내리막 길에 도로표지판을 설치할 경우 도로표지판의 각도를 도로의 경사에 따라 임의로 조절하여 운전자들이 언덕길이나 내리막길을 주행할때에도 표지판을 쉽게 알아 볼 수 있도록 한 것이다.
본 발명은 기둥(1) 하단에 제1베벨기어(4) 및 회전손잡이(5)를 가진 기어박스(3)를 설치하여 회전손잡이(5)를 회전시키면 제1베벨기어(4)가 동작하여 수직구동축(6)을 통해 수평력을 수직력으로 변환하고, 상기 수직구동축(6) 상단에는 제2베벨기어(7)를 결합함과 함께 이 제2베벨기어(7)에 맞물리도록 랙과 피니언(8)을 연결하여 수직구동축(6)의 회전력이 제2베벨기어(7)와 랙과 피니언(8)에 전달되어하부지지봉(9)을 좌 또는 우로 틸팅동작시키므로 베어링을 가진 회전축부(11)를 통해 상부지지봉(10)이 이동하여 도로표지판(2)의 각도를 임의로 조절할 수 있는 것이다.The present invention relates to a device for adjusting the angle of a road traffic sign. When installing a road sign on a sloping hill or downhill road, the angle of the road sign is arbitrarily adjusted according to the slope of the road, so that drivers can use the sign even when driving on a hill or downhill road. This is to make it easy to recognize.
In the present invention, a gearbox (3) with a first bevel gear (4) and a rotation handle (5) is installed at the bottom of the column (1), and when the rotation handle (5) is rotated, the first bevel gear (4) operates. Horizontal force is converted into vertical force through the vertical drive shaft (6), and a second bevel gear (7) is coupled to the top of the vertical drive shaft (6), and a rack and pinion (8) is installed to engage the second bevel gear (7). ), the rotational force of the vertical drive shaft (6) is transmitted to the second bevel gear (7) and the rack and pinion (8) to tilt the lower support bar (9) to the left or right, so that the rotation shaft portion (11) with a bearing By moving the upper support bar 10, the angle of the road sign 2 can be arbitrarily adjusted.
Description
본 발명은 도로교통 표지판의 각도 조절장치에 관한 것으로, 특히 경사진 언덕이나 내리막 길에 도로표지판을 설치할 경우 표지판의 각도를 도로의 경사에 따라 조절하여 운전자들이 언덕길이나 내리막길을 주행할 때에도 도로표지판을 쉽게 알아 볼 수 있도록 한 것이다. The present invention relates to a device for adjusting the angle of a road traffic sign. In particular, when installing a road sign on a sloping hill or downhill road, the angle of the sign is adjusted according to the slope of the road, so that drivers can adjust the angle of the sign even when driving on a hill or downhill road. This was done so that it can be easily recognized.
일반적으로 도로에는 운전자들이 가고자 하는 지역 및 방향을 쉽게 알 수 있도록 하기 위한 수단으로 기둥 위에 잘 보이도록 도로표지판을 설치하고 있으나, 이러한 도로표지판은 통상적으로 기둥에 대형표지판을 설치하므로 표지판을 한번 설치하면 각도를 쉽게 조절할 수 없으며, 도로에서 고속으로 주행중인 운전자에게 방향을 제시해야 하나 종래 사용중인 표지판은 도로의 직각방향으로 고정되어 있어 운전자의 시야에 들어오는 시인성이 좁으므로 효과적으로 표지판의 역할이 어려운 실정이다Generally, road signs are installed on the roads to be highly visible on poles as a means to help drivers easily know the area and direction they want to go. However, these road signs are usually large signs installed on poles, so once the signs are installed, The angle cannot be easily adjusted, and directions must be provided to drivers driving at high speeds on the road. However, the signs currently in use are fixed at right angles to the road, so the visibility within the driver's field of view is narrow, making it difficult to serve as an effective sign.
즉, 종래에는 언덕 길이나 내리막 길 등에 설치되는 도로표지판의 경우 경사 각도를 고려하지 않은 상태에서 그대로 기둥에 도로표지판을 설치하므로 도로표지판이 도로에 직각방향으로만 설치되어 있는 실정이다.That is, conventionally, in the case of road signs installed on hilly roads or downhill roads, road signs are installed on poles without considering the inclination angle, so the road signs are installed only in a direction perpendicular to the road.
특히, 도로에 설치되는 도로표지판이 대형표지판이고 무거우므로 별도의 장치를 통해 설치해야 하는 형편이어서 기둥에 도로표지판을 고정시키기도 어려우며, 종래에는 이러한 도로표지판의 결점을 보완하기 위하여 도로표지판 각도 조절장치가 제안된 것이 있으나 그 구조가 복잡하고 사용하기가 불편한 결점이 있다.In particular, since the road signs installed on the road are large and heavy, they must be installed using a separate device, making it difficult to fix the road sign on a pillar. has been proposed, but it has the drawback of being complicated in structure and inconvenient to use.
본 발명은 이와 같은 종래의 결점을 해결하기 위한 것으로, 본 발명의 목적은, 도로에 설치되는 도포표지판을 도로의 경사에 따라 각도를 조절가능하도록 하여 언덕길이나 내리막 길 등의 평탄하지 않은 경사진 도로에서도 운전자가 도로표지판을 쉽게 알아볼 수 있도록 하는 도로교통 표지판의 각도 조절장치를 제공하는데 있다.The present invention is to solve such conventional shortcomings, and the purpose of the present invention is to enable the angle of the applied sign installed on the road to be adjusted according to the slope of the road, so that it can be used on uneven, sloping roads such as hill roads or downhill roads. The aim is to provide a device for adjusting the angle of road traffic signs so that drivers can easily recognize road signs.
이와 같은 목적을 달성하기 위한 본 발명은, 기둥에 도포표지판을 설치한 것에 있어서, 상기 기둥의 하단에 기어박스를 설치하고 이 기어박스내에 회전손잡이와 제1베벨기어를 구비하여 회전손잡이를 통해 제1베벨기어를 조절하도록 구성하고, 기둥의 상단에는 상기 베벨기어와 맞물리도록 제2베벨기어 그리고 랙과 피니언을 구비하여 회전손잡이를 회전시키는 수단에 의해 제1베벨기어와 제2베벨기어 그리고 랙과 피니언의 상호동작에 의해 도로표지판의 각도를 용이하게 조절하도록 구성함을 특징으로 한다.The present invention for achieving this purpose is to install an application sign on a pillar, by installing a gearbox at the bottom of the pillar and providing a rotation knob and a first bevel gear in the gearbox, so that the first bevel gear is provided through the rotation knob. It is configured to adjust the first bevel gear, and the top of the column is equipped with a second bevel gear and a rack and pinion to engage with the bevel gear, so that the first bevel gear, the second bevel gear, and the rack are connected by means of rotating the rotating handle. It is characterized in that the angle of the road sign can be easily adjusted by the mutual action of the pinion.
이상에서 상세히 설명한 바와 같은 본 발명은, 기둥에 도로표지판을 설치하여 운전자등에게 도로위치와 방향을 알려주도록 한 것에 있어서, 기둥의 상하단에 각각 베벨기어와 랙 및 피니언 등을 구비하여 손잡이를 회전시키는 수단에 의해 기둥에 설치된 도로표지판의 각도를 용이하게 조절할 수 있는 효과가 있다.The present invention, as explained in detail above, is to install a road sign on a pillar to inform drivers of the road location and direction, and is provided with a bevel gear and a rack and pinion at the upper and lower ends of the pillar, respectively, to rotate the handle. There is an effect of being able to easily adjust the angle of a road sign installed on a pole by means of this method.
도 1은 본 발명의 개략적인 구성도
도 2는 본 발명의 기둥 상단에 설치된 베벨기어 그리고 랙과 피니언의 구성관계를 나타낸 사시도이다.
도 3은 본 발명의 언덕길 또는 내리막길에서의 도로표지판의 설치상태를 나타낸 도면이다.1 is a schematic configuration diagram of the present invention
Figure 2 is a perspective view showing the structural relationship between the bevel gear and the rack and pinion installed on the top of the pillar of the present invention.
Figure 3 is a diagram showing the installation state of a road sign on a hill or downhill road according to the present invention.
이하, 본 발명의 실시예를 첨부된 도면을 참고로 하여 상세히 설명하면 다음과 같다.Hereinafter, embodiments of the present invention will be described in detail with reference to the attached drawings.
도 1은 본 발명의 개략적인 구성도이고, 도 2는 본 발명의 기둥 상단에 설치된 베벨기어 그리고 랙과 피니언의 구성관계를 나타낸 사시도이며, 도 3은 본 발명의 언덕길 또는 내리막길에서의 도로표지판의 설치상태를 나타낸 도면으로, 기둥(1)과 도로표지판(2)으로 구성된 도로표지장치에 있어서, 상기 기둥(1)의 하단에 기어박스(3)를 설치하고 이 기어박스(3)내에 제1베벨기어(4) 및 손잡이(5)를 설치하여 손잡이(5)를 회전시키면 제1베벨기어(4)가 동작하여 수직구동축(6)을 통하여 수평력을 수직력으로 변환하도록 구성하고, 상기 수직구동축(6) 상단에는 제2베벨기어(7)를 결합함과 함께 이 제2베벨기어(7)에 맞물리도록 랙과 피니언(8)을 연결하여 상기 수직구동축(6)의 회전력이 제2베벨기어(7)를 통하여 랙과 피니언(8)에 전달되도록 구성하며, 상기 랙과 피니언(8)은 도로표지판(2)의 하부지지봉(9)에 고정함과 함께 상부지지봉(10)에는 베어링을 가진 회전축부(11)를 설치하여 상기 랙과 피니언(8)의 동작에 의해 도로표지판(2)이 회전축부(11)를 중심으로 회전가능하도록 구성한 것이다.Figure 1 is a schematic configuration diagram of the present invention, Figure 2 is a perspective view showing the structural relationship between the bevel gear and rack and pinion installed on the top of the pillar of the present invention, and Figure 3 is a road sign on a hill or downhill road of the present invention. This is a drawing showing the installation state of a road sign device consisting of a pillar (1) and a road sign (2), in which a gearbox (3) is installed at the bottom of the pillar (1) and a gearbox (3) is installed within the gearbox (3). The first bevel gear (4) and the handle (5) are installed, and when the handle (5) is rotated, the first bevel gear (4) operates to convert horizontal force into vertical force through the vertical drive shaft (6), and the vertical drive shaft (6) At the top, a second bevel gear (7) is coupled and a rack and pinion (8) is connected to engage the second bevel gear (7) so that the rotational force of the vertical drive shaft (6) is transmitted to the second bevel gear. It is configured to be transmitted to the rack and pinion (8) through (7), and the rack and pinion (8) is fixed to the lower support bar (9) of the road sign (2), and the upper support bar (10) has a bearing. A rotating shaft 11 is installed so that the road sign 2 can rotate around the rotating shaft 11 by the operation of the rack and pinion 8.
상기 랙과 피니언(8)의 좌우에는 가이드부(8a)(8b)가 나사끼우기로 결합되어 있어 빗물 등이 들어가지 않도록 보호하게 된다.On the left and right sides of the rack and pinion 8, guide parts 8a and 8b are screwed together to protect the rack and pinion 8 from entering the rack and pinion 8.
단, 상기 하부지지봉(9)의 일측끝단이 랙에 고정되어 있어 랙의 좌우 동작에 의해 하부지지봉(9)이 좌우로 이동가능하도록 구성된다.However, one end of the lower support bar 9 is fixed to the rack, so that the lower support bar 9 can be moved left and right by the left and right movement of the rack.
이와 같이 구성된 본 발명의 작용을 설명한다.The operation of the present invention configured as described above will be explained.
본 발명의 도로교통 표지판의 각도 조절장치는 도로의 일측에 기둥(1)을 통하여 세워지는 도로표지판(2)에 관한 것으로, 상기 도로표지판(2)의 각도를 임의로 조절할 수 있도록 하여 경사진 도로의 경우에도 운전자가 도로표지판(2)을 쉽고 정확하게 볼 수 있도록 한 것이다.The angle adjusting device for road traffic signs of the present invention relates to a road sign (2) erected through a pillar (1) on one side of the road, and allows the angle of the road sign (2) to be adjusted arbitrarily, so as to adjust the angle of the road sign (2) on an inclined road. This is to ensure that drivers can easily and accurately see road signs (2).
예를 들어, 도 3과 같이, 언덕길의 경우에는 도로가 편평하지 않고 기울어진 상태임에도 불구하고 도로표지판(2)이 기둥(1)을 통하여 그대로 세워지므로 도로의 경사여부에 무관하게 설치되어 운전자들이 운전을 하면서 이러한 도로표지판(2)을 볼 때 때로는 정확히 볼 수 없는 경우가 발생한다.For example, as shown in Figure 3, in the case of a hill road, the road sign 2 is erected through the pillar 1 even though the road is not flat but slanted, so it is installed regardless of the slope of the road so drivers can When looking at these road signs (2) while driving, there are times when you cannot see them clearly.
따라서, 본 발명에서는 기둥(2)의 상하단에 도로표지판(2)의 각도를 조절할 수 있는 장치를 구비하여 사용자가 간단히 손잡이(5)를 회전시키는 수단에 의해 도로표지판(2)의 각도를 쉽게 조절할 수 있다.Therefore, in the present invention, a device for adjusting the angle of the road sign (2) is provided at the upper and lower ends of the pillar (2) so that the user can easily adjust the angle of the road sign (2) by simply rotating the handle (5). You can.
즉, 기둥(1)의 하단에 기어박스(3)가 설치되어 있어 기어박스(3)에 구비된 손잡이(5)를 회전시키면 이 손잡이(5)에 결합된 제1베벨기어(4)가 회전하여 수평력을 수직력으로 변환하게 된다.That is, the gearbox 3 is installed at the bottom of the column 1, and when the handle 5 provided on the gearbox 3 is rotated, the first bevel gear 4 coupled to the handle 5 rotates. This converts the horizontal force into vertical force.
또한, 상기 제1베벨기어(4)에는 수직구동축(6)이 연결되어 있어 손잡이(5)를 회전시킴에 따라 수직구동축(6)이 회전하게 된다.In addition, a vertical drive shaft 6 is connected to the first bevel gear 4, so that when the handle 5 is rotated, the vertical drive shaft 6 rotates.
그리고 상기 수직구동축(6)상단에는 제2베벨기어(7)가 연결되어 있어 수직구동축(6)이 회전되면 제2베벨기어(7)에 의해 수직력을 수평력으로 변환시키게 되며, 이 제2베벨기어(7)에는 랙과 피니언(8)이 연결되어 있어 제2베벨기어(7)의 수평력에 의해 랙과 피니언(8)이 맞물려 회전하면서 결국 피니언에 의해 도로표지판(2)의 하부지지봉(9)이 좌 또는 우로 틸팅(Tilting) 동작하게 된다.In addition, a second bevel gear (7) is connected to the top of the vertical drive shaft (6), so that when the vertical drive shaft (6) rotates, vertical force is converted into horizontal force by the second bevel gear (7), and this second bevel gear The rack and pinion (8) are connected to (7), so that the rack and pinion (8) engage and rotate due to the horizontal force of the second bevel gear (7), and the lower support bar (9) of the road sign (2) is eventually connected by the pinion. This results in a tilting operation to the left or right.
이때, 상기 도로표지판(2)의 상부지지봉(10)은 기둥(1)에 회전축부(11)를 통하여 회전가능하도록 설치되어 있어 하부지지봉(9)이 좌 또는 우로 틸팅동작하면 상부지지봉(10)이 회전축부(11)를 통하여 회전되어 도로표지판(2)이 좌 또는 우로 이동됨으로서 도로표지판(2)의 각도를 조절할 수 있는 것이다. At this time, the upper support bar (10) of the road sign (2) is installed on the pillar (1) to be rotatable through the rotation axis portion (11), so that when the lower support bar (9) tilts left or right, the upper support bar (10) The angle of the road sign (2) can be adjusted by rotating it through this rotation axis portion (11) and moving it to the left or right.
즉, 회전손잡이(5)를 정방향 또는 역방향으로 회전시킴에 따라 도로표지판(2)의 각도를 좌 또는 우로 임의로 조절할 수 있어 도로의 내리막 또는 오르막 경사에 따라 도로표지판(2)의 각도를 상황에 맞게 변경시킬 수 있는 것이다.In other words, by rotating the rotation handle (5) in the forward or reverse direction, the angle of the road sign (2) can be arbitrarily adjusted to the left or right, so that the angle of the road sign (2) can be adjusted to suit the situation according to the downhill or uphill slope of the road. It is something that can be changed.
상술한 바와 같은 본 발명은 상기 실시예에 국한되는 것은 아니며, 본 발명이 속하는 기술분야에서 다양한 실시예를 통하여 유용하게 변형가능함은 물론이다.The present invention as described above is not limited to the above embodiments, and of course can be usefully modified through various embodiments in the technical field to which the present invention pertains.
1:기둥 2:도로표지판
3:기어박스 4:제1베벨기어
5:회전손잡이 6:수직구동축
7:제2베벨기어 8:랙과 피니언
9:하부지지봉 10:상부지지봉
11:회전축부1:Pillar 2:Road sign
3: Gearbox 4: 1st bevel gear
5: Rotation handle 6: Vertical drive shaft
7: 2nd bevel gear 8: Rack and pinion
9: Lower support bar 10: Upper support bar
11: Rotating shaft
Claims (2)
상기 기둥의 하단에 기어박스를 설치하고 이 기어박스내에 제1베벨기어 및 손잡이를 설치하여 손잡이를 회전시키면 제1베벨기어가 동작하여 수직구동축을 통하여 수평력을 수직력으로 변환하도록 구성하고,
상기 수직구동축 상단에는 제2베벨기어를 결합함과 함께 이 제2베벨기어에 맞물리도록 랙과 피니언을 연결하여 상기 수직구동축의 회전력이 제2베벨기어를 통하여 랙과 피니언에 전달되도록 구성하며,
상기 랙과 피니언은 도로표지판의 하부지지봉에 고정함과 함께 상부지지봉에는 베어링을 가진 회전축부를 설치하여 상기 랙과 피니언에 의해 도로표지판이 회전축부를 중심으로 회전가능하도록 구성한 것을 특징으로 하는 도로교통 표지판의 각도 조절장치.
In a road sign device installing a road sign on a pole,
A gearbox is installed at the bottom of the pillar, a first bevel gear and a handle are installed in the gearbox, and when the handle is rotated, the first bevel gear operates to convert horizontal force into vertical force through a vertical drive shaft,
A second bevel gear is coupled to the top of the vertical drive shaft, and a rack and pinion are connected to engage the second bevel gear, so that the rotational force of the vertical drive shaft is transmitted to the rack and pinion through the second bevel gear,
The rack and pinion are fixed to the lower support bar of the road sign, and a rotating shaft with a bearing is installed on the upper support rod so that the road sign can rotate around the rotating shaft by the rack and pinion. Angle adjuster.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020220045653A KR20230146800A (en) | 2022-04-13 | 2022-04-13 | Angle adjustment device for road traffic signs |
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020220045653A KR20230146800A (en) | 2022-04-13 | 2022-04-13 | Angle adjustment device for road traffic signs |
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| Publication Number | Publication Date |
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| KR20230146800A true KR20230146800A (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020220045653A KR20230146800A (en) | 2022-04-13 | 2022-04-13 | Angle adjustment device for road traffic signs |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150056474A (en) | 2013-11-15 | 2015-05-26 | 신에쓰 가가꾸 고교 가부시끼가이샤 | Granulated composite, rapid release tablet and method for producing same |
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2022
- 2022-04-13 KR KR1020220045653A patent/KR20230146800A/en not_active Application Discontinuation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150056474A (en) | 2013-11-15 | 2015-05-26 | 신에쓰 가가꾸 고교 가부시끼가이샤 | Granulated composite, rapid release tablet and method for producing same |
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