KR20180056919A - Door stopper - Google Patents

Abstract

Disclosed is a door stopper which is easily controlled by men and women of all ages while faithfully carrying out a function to maintain an opening state of a door, promotes safety and hygiene of a user in a control process, and prevents a scratch from being generated in shoes or the like of the user in the control process. According to the present invention, the door stopper comprises: a protruding means having a lifting bracket fixedly mounted in a lower end on a side surface of the door and a protruding pin supported to be lifted by the lifting bracket; and a locking and releasing means gripping the protruding pin and releasing a grip on the protruding pin while elastically turning when maintaining an opening state of the door and releasing opening of the door.

Description

DOOR STOPPER

The present invention relates to a door stopper that prevents a door from colliding with a wall and physically restrains a closing force of a door closure.

Generally, a door stopper refers to a convenience device that is attached to a door (hereinafter referred to as "door") installed at an entrance for distinguishing between an indoor and an outdoor and maintains the opened state of the door.

The above-mentioned door stoppers have been recently manufactured in various ways. Typical examples of the door stoppers are a horseshoe stopper disclosed in Korean Utility Model No. 20-2010-0000650, a Korean registered utility model 20- 0447799 ", and " Stopper using magnets " disclosed in Korean Patent No. 10-0693352.

Another example of the door stopper is a fitting stopper which is fitted to the free end side of the door as disclosed in Korean Registered Utility Model No. 20-0416927.

However, the above-described door stoppers have had the following problems.

First, as the horseshoe stopper can be seen, the door is kept open by the frictional force between the rubber attached to the stopper and the ground. When the horseshoe stopper is worn out, the function of the stopper is lost. And there was a problem that the rubber slipped on the ground and black mark remained.

In addition, since the horseshoe-shaped stopper is operated by hand or by using the foot, the elderly who are uncomfortable with the body feel difficulty in manipulation. In addition, when the foot-operated stopper is operated with the foot, scratches There was another problem.

Secondly, the wedge-type stopper is formed so that the upper portion thereof has an inclined surface inclined at a predetermined angle, and the inclined surface is used by interposing the gap between the lower portion of the door and the ground. There was a problem that the hand was injured inadvertently when the stopper was inserted, and there was a problem that the foot was stuck on the protruding stopper.

Further, the wedge type stopper has another problem that it is difficult to fix the door to a desired position when the elastic restoring force of the door closure or the external impact force, for example, the force of the wind or the like, is stronger than the frictional force of the stopper.

Third, since the stopper using the magnet maintains the open state of the door by using the magnetic force, a force stronger than the magnetic force is required to close the door, which causes the child and the elderly to feel difficulty when closing the door.

Fourth, although the fitting stopper fitted to the free end side of the door can prevent the door from being closed to the door frame, since the door can not be fixed, the function as the door stopper, that is, .

A first object of the present invention is to provide a door stopper that can easily operate by anyone, both young and old, while faithfully performing the function of maintaining the door in an open state.

It is a second object of the present invention to provide a door stopper which can prevent safety and hygiene of a user during operation and prevent scratches on the user's shoes during operation.

The technical objects to be achieved by the present invention are not limited to the above-mentioned technical problems.

According to an aspect of the present invention, there is provided a door stopper comprising: an engaging means having a lifting bracket fixedly mounted on a lower side of a side surface of a door; and a retaining pin movably supported on the lifting bracket; And a hanging means for releasing gripping of the engaging pin and gripping of the engaging pin while flexibly turning when the door is opened and when the door is released from the opening.

Specifically, a pair of support pieces, which are vertically spaced from each other, are formed integrally on the front surface of the lifting bracket and on which the pivot pin is rotatably fitted, and between the support pieces, , A female screw is formed on the inner circumferential surface of the lifting operation rod, and a male screw engaged with the female screw is formed on the outer circumferential surface of the engaging pin.

More specifically, the engaging means further includes a lifting bracket cover which is engaged with the lifting and lowering bracket so that the lifting and lowering operation cover is exposed to the lifting and lowering operation hole, The lower surface of the bracket cover may be provided with a lifting hole for guiding the lifting and lowering of the engaging pin.

Specifically, the hanging means includes a hanging member having a hanging plate for holding the hooking pin and a hooking lever for releasing the hooking pin held on the hanging plate; A lower surface of which is fixedly mounted on a floor where the door is opened, and a supporting table on which upper surfaces are mounted; And a support base cover which is coupled to the support base and allows the inside of the support base to be embedded therein, and the support base and the support base cover can guide the engagement pin toward the hanging member side.

Specifically, the support base is fixedly mounted so that the center of the support is in contact with a virtual arc drawn by the engagement pin rotating along the door when the door is opened. A first opening, through which the engagement pin enters and exits, And a second opening through which the locking pin enters and exits is formed in the central portion so as to face the first opening, both side and / or rear end of the support cover are formed with a curved curved surface, and on the front end side of the support cover, The bumper can be formed without interference.

Specifically, the hanging plate is provided in the form of a plate horizontally extending along the longitudinal direction of the support, the rear end of the hanging plate is mounted on the support so as to be pivotable to both sides of the support by the hinge pin, And the front end of the hanging plate is provided as an inclined surface so that the engaging pin can be held in the holding groove while pushing the front end of the hanging plate, and the other side of the hanging plate and the supporting plate And a torsion spring which is supported by the upper surface of the supporting frame adjacent to the other side of the ruling plate and which covers the other side of the ruling plate and the supporting frame cover facing the other side of the ruling plate at one end and the other end, On the upper surface of the supporting frame adjacent to one side of the separating plate, It is formed with a stop projection for limiting to protrude integrally with the inclined front end of the hanging unlocking plate may be exposed through the first opening and the second opening by the torsion spring and the stop projection.

Specifically, the release lever is provided in a flat plate shape and is disposed on one side of the horizontal release plate, one end of the release lever is in close contact with one side of the horizontal release plate, and the other end of the release lever penetrates through the support post cover, Can be exposed.

Specifically, the pushing-out means further includes a pusher, which is housed in the support base and the support base cover, and pushes the engagement pin out of the first opening and the second opening when releasing the grip of the hanging plate against the engagement pin, A flat plate-like pushing plate which is raised on the upper portion of the hanging plate; And a tension coil spring having one end connected to the support via a cutout groove formed in the folding plate and the other end connected to the rear end of the pushing plate via a cutout formed in the pushing plate to operate the pushing plate, The pushing plate is pushed to the rear end side by the engaging pin inserted into the first opening and the second opening at the time of holding the engaging pin and the tension coil spring is extended and the pushing plate is restored when the engaging pin is released from the hanging plate The retaining pin can be pushed out of the first opening and the second opening while returning.

As described above, the door stopper according to the present invention has the following effects.

First, the door stopper according to the present invention has an advantage that a child and a senior citizen can easily maintain the open state of the door because the latching pin is grasped by the hanging plate only by opening the door.

Second, since the door stopper according to the present invention pushes the locking lever by using the user's foot to release the gripping pin, unnecessary operations such as bowing of the waist are not necessary and the user does not use the hand, The sanitary and safety of the user can be improved.

Third, the door stopper according to the present invention is advantageous in that it can be applied to various doors irrespective of the distance between the ground (floor) and the bottom of the door, because the locking pin is raised and lowered.

Fourth, since the door stopper according to the present invention is provided with the pusher in the hanging means, there is an advantage that the hook pin can be easily separated from the hanging means.

Fifth, since the door stopper according to the present invention is simple in construction, the door stopper is advantageous in that the door stopper can be used semi-permanently because it is easy to install and since components are not worn away.

1 is a view showing a door stopper according to the present invention,
FIG. 2A is an enlarged view of the engaging means shown in FIG. 1,
FIG. 2B is an exploded perspective view showing the engaging means shown in FIG. 2A,
FIG. 3A is an enlarged view of the hanging means shown in FIG. 1,
FIG. 3B is an exploded perspective view of the hanging means shown in FIG. 3A,
4A and 4B are views showing a state in which the latching means is gripped by the hanging means shown in FIG. 1, and FIG.
5A and 5B are views showing a state in which the latch means is separated from the hanging means shown in Fig.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the drawings, the same components are denoted by the same reference symbols whenever possible. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail.

1 is a view illustrating a door stopper according to the present invention. The door stopper 100 according to the present invention includes a latching means 110 mounted on a door D, And a hanging means 140 for gripping the engaging means 110 when the door D is kept open and releasing the holding of the engaging means 110 when the door D is closed.

First, the engaging means 110 is fixedly mounted on the lower side of any one of the side surfaces of the door D. That is, the engaging means 110 is fixedly mounted on the side of the door D facing the floor (floor) on the side where the door D is opened.

In other words, when the door D is pivoted outwardly and opened, the engaging means 110 is mounted on the lower side of the side of the door D facing the outside, and on the contrary, (110) is mounted on the lower side of the side surface of the door (D) facing the room.

Fig. 1 shows a door D which is pivotally opened to the outdoors side, thereby showing the engaging means 110 fixedly mounted on the side of the door D facing the outdoor side.

As shown in FIGS. 2A and 2B, the engaging means 110 fixedly mounted on the side surface of the door D can vertically extend the engaging pins 124 and the engaging pins 124, And a lifting bracket 112 supporting the lifting bracket 112.

The lifting bracket 112 is provided in a plate shape extending vertically with a predetermined width, and the back surface is fixedly mounted on the side surface of the door D in close contact.

Here, the lifting bracket 112 is fixedly mounted on the side of the door D by a normal fastening means, preferably a screw or the like as shown in Figs. 2A and 2B.

On the front face of the lifting bracket 112, a pair of supporting pieces 114 for supporting the engaging pins 124 are integrally formed.

The pair of support pieces 114 are provided so as to be spaced apart from each other as shown in the figure. Each of the support pieces 114 has a pivot hole 116 through which the upper end of the pivot pin 124 is rotatably fitted . Between the pair of supporting pieces 114, an elevating operation opening 118 for moving the engaging pins 124 up and down is disposed.

The lifting operation member 118 is provided with an annular ring shape having an inner circumferential surface and an outer circumferential surface as shown in the figure, and the engaging pin 124 is passed through the inner circumferential surface of the lifting operation member 118. At this time, a female screw 120 is formed on the inner circumferential surface of the elevating operation hole 118 and a male screw 126 engaged with the female screw 120 is formed on the outer circumferential surface of the engaging pin 124.

That is, since the lifting operation member 118 and the engaging pin 124 are engaged with each other by the female screw 120 and the male screw 126, when the lifting operation member 118 is rotated to one side or the other side, The engaging pin 124 is moved up and down by the operation.

The lower end of the engaging pin 124 by the lifting and lowering operation member 118 and the engaging pin 124 can be moved back to the floor (floor) appropriately, regardless of the distance between the lower end of the door D and the ground (Floor) so as to be able to enter and exit the hanging means 140 without interfering with the opening and closing operation of the door D.

The outer circumferential surface of the lifting operation member 118 may be knurled 122 or otherwise formed as a normal hexagon nut so as not to slip during operation of the lifting operation member 118.

The engaging means 110 further includes a lifting and lowering bracket cover 128 that covers and protects the engaging pin 124 exposed to the front of the lifting and lowering bracket 112.

The lifting and lowering bracket cover 128 is provided with an open rear surface and an inner hollow interior shape. The lifting and lowering bracket cover 128 is coupled to the lifting and lowering bracket 112 so that the lifting and lowering operation of the lifting and lowering mechanism 118 can be carried out on the front surface of the lifting and lowering bracket cover 128. [ A lifting hole 132 is formed in the lower surface of the lifting bracket cover 128 to guide the lifting and lowering of the lifting pin 124. [

That is, the latching pin 124 is exposed to the outside of the lifting and lowering bracket cover 128 through the lifting and lowering hole 132, and the thus exposed latching pin 124 is lifted by the lifting and releasing means 140 when the door D is kept open. Respectively.

Here, the engagement relationship between the lift bracket cover 128 and the lift bracket 112 is not particularly limited. However, any coupling relationship may be used as long as the lifting bracket cover 128 can be detachably attached to the lifting bracket 112.

When the door D is opened and opened to the outdoor side, the hanging and unlocking means 140 is fixedly mounted on the outdoor side surface (floor) facing the engaging means 110. On the contrary, when the door D is opened toward the indoor side, (Floor) facing the indoor side facing each other.

Fig. 1 shows a door D which is pivotally opened to the outside as described above, whereby the hanging means 140 fixedly mounted on the outdoor side (floor) is shown.

As shown in FIGS. 3A and 3B, the hanging means 140 fixedly mounted on the floor facing the engaging means 110 grasp the engaging pins 124 when the door D is kept open A releasing member 154 for releasing the gripping of the engaging pin 124 when the door D is released from the open state and a support 142 for supporting the hanging member 154. [

The support member 142 is provided with a plate shape extending horizontally with a predetermined width as shown. The support base 142 is fixedly mounted on a floor (bottom) on which the door D is opened.

The front end central portion of the support table 142 is fixedly mounted so as to contact a virtual arc A (see FIG. 1) drawn by the engagement pin 124 pivoting along the door D when the door D is opened, (142) is fixedly mounted on the floor so that the door (D) can be opened by turning 90 degrees or more.

Here, the support table 142 is fixedly mounted on the floor (floor) by a usual adhesive or the like so as to prevent deformation or damage of the floor (floor).

A first opening 146 through which the engaging pin 124 enters and exits is formed in the center of the front end of the support table 142. The first opening 146 is formed so as to extend along the longitudinal direction of the support member 142 from the front end center portion of the support member 142 to the rear end side of the support member 142 as shown in FIG.

On the other hand, the hanging means 140 further includes a support base cover 148 which surrounds and protects the hanging member 154, which is mounted on and supported on the upper surface of the support base 142.

The support frame cover 148 is provided with an open bottom surface and a hollow horizontal enclosure shape. The support frame cover 148 is coupled to the support frame 142 so that the hanging member 154 is embedded therein. A second opening 150 facing the first opening 146 is formed in the center of the front end of the support cover 148 so that the engaging pin 124 can be inserted into and removed from the center of the front cover, 146 are formed so as to extend along the longitudinal direction of the support table cover 148 from the front end central portion of the support table cover 148 to the rear stage side of the support table cover 148. [

That is, the engaging pin 124 is guided to the side of the hanging and releasing member 154 embedded in the support frame 142 and the support frame cover 148 through the first opening 146 and the second opening 150 facing each other.

Here, the coupling relationship between the support table cover 148 and the support table 142 is not particularly limited. However, any coupling may be used as long as the support base cover 148 can be attached to and detached from the support base 142.

On the other hand, both side surfaces and / or rear ends of the support frame cover 148 extending along the longitudinal direction of the support frame cover 148 are curved so as not to interfere with cleaning and walking on the floor As shown in Fig.

A bumper 152 made of a material capable of absorbing impact such as rubber or silicone can be attached to the front end side of the support base cover 148 so as not to interfere with the first opening 146 and the second opening 150 .

The pulling and releasing member 154 includes a hanging plate 156 for gripping the engaging pin 124 guided through the support frame 142 and the support frame cover 148 and an engaging pin 124 gripped by the hanging plate 156. [ And a release lever 166 releasing the release lever 166.

The hanging plate 156 is provided in the form of a horizontal plate extending along the longitudinal direction of the support 142 as shown.

The rear end side of the hanging plate 156 is mounted to the support bracket 142 so as to be pivotable to both sides of the support bracket 142 by the hinge pin 158. The hinge pin 158 penetrates the hanging plate 156 And is fitted into the support stand 142.

A gripping groove 160 for gripping the engaging pin 124 is formed on one side of the hanging plate 156 adjacent to the front end side of the hanging plate 156 so as to extend from one side of the hanging plate 156 to the other side The front end of the hanging plate 156 is provided as an inclined surface so that the engaging pin 124 can be held in the holding groove 160 while pushing the leading end of the hanging plate 156.

That is, the front end of the hanging plate 156 is formed to be inclined from the other end of the hanging plate 156 to the gripping groove 160 side, which adjoins the front end of the hanging plate 156.

On the other hand, the hanging plate 156 is elastically supported inside the support table 142 and the support table cover 148. For this purpose, a torsion spring 162 is disposed between the other side of the driven release plate 156 and the support base cover 148. The torsion spring 162 is supported on the upper surface of the support 142 adjacent to the other side of the hanging plate 156 and one end and the other end of the torsion spring 162 are respectively supported on the other side of the hanging plate 156, And the support plate cover 148 facing the other side of the plate 156, respectively.

A detent projection 164 is formed on the upper surface of the supporting table 142 adjacent to one side of the ruler plate 156 to restrict the turning angle of the ruler plate 156 integrally.

The inclined front end of the ruling plate 156 is exposed between the first opening 146 and the second opening 150 by the torsion spring 162 and the detent projection 164.

That is, the engaging pin 124 guided between the first opening 146 and the second opening 150 is guided while pushing the front end of the inclined hanging plate 156, The torsion spring 162 is pivoted to the side of the torsion spring 162 and the torsion spring 162 is retracted when the torsion spring 124 is inserted into the grip groove 160, (See Figs. 4A and 4B).

The unlocking lever 166 is provided in a plate shape like the ruling plate 156 and disposed on one side of the ruling plate 156 so as not to interfere with the holding groove 160 and the detent projection 164.

One end of the release lever 166 disposed in this manner is in close contact with one side of the hanging plate 156 and the other end of the release lever 166 is exposed to one side of the support cover 148 through the support base cover 148 To this end, a through hole 168 through which the other end of the detent lever 166 passes is formed at one side of the supporter cover 148.

That is, when the release lever 166 exposed to the outside of the support table cover 148 is pushed to the inside of the support table cover 148 and one end of the release lever 166 is pushed toward the torsion spring 162 side Whereby the torsion spring 162 is compressed and the engaging pin 124 is released to the holding groove 160. [

Under this condition, when the pressure applied to the release lever 166 is recovered while releasing the engagement pin 124 out of the hanging means 140 through the first opening 146 and the second opening 150, the torsion spring 162 Is restored to return the driven release plate 156 (see FIG. 4B).

On the other hand, the hanging means 140 pushes the engagement pin 124 out of the first opening 146 and the second opening 150 when the hanging plate 156 releases the gripping of the engagement pin 124 And further includes a pusher 170.

The pusher 170 is embedded between the support table 142 and the support table cover 148 in the same manner as the hanging plate 156. The pusher 170 is mounted on the upper surface of the hanging plate 156, And a tension coil spring 174 that actuates the pushing plate 172 and the pushing plate 172.

At this time, one end of the tension coil spring 174 is connected to the upper surface of the support member 142 without interfering with the operation of the pulling and releasing plate 156 and the release lever 166. To this end, Grooves 176 are formed.

The other end of the tension coil spring 174 is connected to the other end of the pushing plate 172 through the pushing plate 172. For this purpose, a cutting hole 178 is formed in the pushing plate 172.

That is, the engaging pin 124 guided between the first opening 146 and the second opening 150 is guided while pushing the front end of the inclined hanging plate 156, As the pushing plate 172 is pushed, the tension coil spring 174 is extended (see Fig. 4B).

When the locking pin 124 is released from the holding groove 160 by the operation of the locking lever 166, the extended tension coil spring 174 is restored to return the pushing plate 172. At this time, The engaging pin 124 is guided by the engaging portion 172 to the outside of the first opening 146 and the second opening 150 (see Figs. 5A and 5B).

Hereinafter, the operating state of the door stopper 100 according to the present invention will be briefly described.

In order to maintain the opened state of the door D by using the door stopper 100 according to the present invention, the door D is inserted into the first opening 146 and the second opening 150, Turn.

When the latching pin 124 is inserted into the first opening 146 and the second opening 150, the door D is turned continuously until the latching pin 124 is gripped by the latching groove 160. At this time, the latching pin 124 is inserted while pushing the front end of the inclined hanging plate 156 and the pushing plate 172 so that the hanging plate 156 rotates about the hinge shaft 158, 162 and the pushing plate 172 stretches the tension coil spring 174 (see FIG. 4A).

When the latching pin 124 inserted into the latching groove 160 is inserted into the latching groove 160 by pushing the front end of the latching plate 156, the torsion spring 162 is restored and the latching plate 156 is returned. 156 are retracted, the latching pin 124 is held in the hanging plate 156, so that the door D remains open (see FIG. 4B).

On the other hand, in order to release the door D from the opened state, the unlocking lever 166 of the unlocking means 140 is operated to the side of the unlocking plate 156 to release the locking pin 124.

As described above, when the unlocking lever 166 presses the hanging plate 156, the hanging plate 156 again rotates about the hinge shaft 158 to compress the torsion spring 162 (see FIG. 5A) In this process, when the gullet pin 124 comes out of the grip groove 160, the tension coil spring 172 is restored and the pushing plate 172 is returned. At this time, the latching pin 124 is pushed to the outside of the first opening 146 and the second opening 150 by the returning pushing plate 172 (see FIG. 5B), whereby the door D is kept open And as a result, the door D can be closed to the door frame.

The door stopper 100 according to the present invention formed as described above can easily grasp the engagement pin 124 by the operation of opening the door D so that the child and the elderly can easily grasp the door D Thereby maintaining the open state.

Further, since the door stopper 100 according to the present invention releases the gripping of the locking pin 124 by pushing the locking lever 166 by the user's feet, unnecessary operation such as bowing of the waist is not required In addition, since it does not use the hand, the hygiene and safety of the user can be achieved.

The door stopper 100 according to the present invention can be applied to various doors D irrespective of the distance between the floor (floor) and the lower end of the door D because the locking pin 124 is lifted .

The door stopper 100 according to the present invention is provided with the pusher 170 in the hanging means 140 so that the hanging pin 124 can be easily separated from the hanging means 140. [

In addition, since the door stopper 100 according to the present invention is simple in construction, the door stopper 100 can be used semi-permanently because it is easy to install and since components are not worn away.

The door stopper 100 is not limited to the construction and operation of the embodiments described above. The embodiments may be configured so that all or some of the embodiments may be selectively combined so that various modifications may be made.

The door stopper 100 is not limited to the construction and operation of the embodiments described above. The embodiments may be configured so that all or some of the embodiments may be selectively combined so that various modifications may be made.

100: Door stopper 110:
112: lifting bracket 114: supporting piece
116: turning hole 118: lifting operation port
120: female thread 122: knurled
124: Retaining pin 126: male thread
128: lifting and lowering bracket cover 130:
132: lift-up ball 140:
142: support frame 146: first opening
148: support frame cover 150; The second opening
152: bumper 154: hanging member
156: hanging plate 158: hinge shaft
160: Retaining groove 162: Torsion spring
164: detent projection 166: detent lever
168: through hole 170: pusher
172: pushing plate 174: tension coil spring
176: incision groove 178: incision ball

Claims (8)

In the door stopper,
An engaging means having an elevating bracket fixedly mounted on a side lower side of the door and a retaining pin movably supported on the elevating bracket; And
And a hanging means for releasing the holding of the latching pin and the holding of the latching pin while flexibly turning when the door is opened and when the door is released.
The method according to claim 1,
Wherein a pair of support pieces, which are vertically spaced apart from each other on a front surface of the lifting bracket and on which a pivot hole for rotatably supporting the retaining pin is formed,
And a lifting operation hole through which the retaining pin passes is disposed between the support pieces,
Wherein a female screw is formed on an inner circumferential surface of the lifting operation member, and a male screw engaged with the female screw is formed on an outer circumferential surface of the engaging pin.
The method of claim 2,
The engaging means includes:
And a lifting and lowering bracket cover coupled to the lifting and lowering bracket to house the retaining pin therein,
And a lifting hole for guiding the lifting and lowering of the engaging pin is formed on a lower surface of the lifting bracket cover.
The method according to claim 1,
Wherein the hanging-
A hanging member having a hanging plate for holding the hooking pin and a release lever for releasing the hooking pin held on the hanging plate;
A lower surface of which is fixedly mounted on a floor where the door is opened, and on the upper surface, And
And a support base cover coupled to the support base to allow the inside of the support base to be embedded therein,
Wherein the support base and the support base cover guide the engagement pin toward the hanging member.
The method of claim 4,
Wherein the support base is fixedly mounted so that the front end central portion contacts a virtual arc drawn by the engagement pin pivoting along the door when the door is opened,
A first opening through which the locking pin enters and exits is formed at a center of a front end of the support frame, a second opening through which the locking pin enters and exits is formed at a center portion of a front end of the support base cover,
The side and / or rear ends of the support cover are formed with a curved curved surface,
And a bumper is formed on the front end side of the support frame cover so as not to interfere with the first opening and the second opening.
The method of claim 5,
The above-
A support plate provided in a plate shape horizontally extending along the longitudinal direction of the support plate,
Wherein a rear end of the hanging plate is mounted to the support base so as to be pivotable to both sides of the support base by a hinge pin, a gripping groove for holding the hooking pin is formed at one side adjacent to the front end of the hanging plate, The front end of the plate is provided as an inclined surface so that the latching pin can be held in the holding groove while pushing the front end of the hanging plate,
And the other end of the supporting plate is supported by the upper surface of the supporting plate adjacent to the other side of the supporting plate and between the other side of the supporting plate and the other end of the supporting plate, A torsion spring that covers the supporter cover is placed,
And a detent protrusion for restricting a turning angle of the ruler plate is integrally formed on the upper surface of the supporting frame adjacent to one side of the ruling plate,
Wherein the inclined front end of the hanging plate is exposed between the first opening and the second opening by the torsion spring and the detent projection.
The method of claim 6,
The above-
And is disposed on one side of the hanging plate while being provided in a flat plate shape,
Wherein one end of the release lever is in close contact with one side of the hanging plate and the other end of the release lever is exposed through the support base cover to the outside of the support base cover.
The method of claim 5,
Wherein the hanging-
And a pusher installed in the support and the support cover to push the latching pin out of the first opening and the second opening when releasing the gripping of the latching plate against the latching pin,
The pusher
A flat plate-like pushing plate which is raised on the upper portion of the ruling plate; And
And a tension coil spring having one end connected to the support via a cutting groove formed in the upper surface of the guide plate and the other end connected to a rear end of the pushing plate through a cutting hole formed in the pushing plate to operate the pushing plate,
The pushing plate is pushed to the rear end side by the engaging pin inserted into the first opening and the second opening at the time of holding the engaging pin on the ruling plate and the tension coil spring is extended, And the pushing plate pushes the latching pin out of the first opening and the second opening while returning by the tension coil spring to be restored.

Images