KR100759180B1 - Seat track for vehicle having walk in memory device - Google Patents

Abstract

A seat track for a vehicle containing a walk in memory device is provided to reduce fatigue of the cable, and to break and cut the cable by modulating the work in memory device interlocked with the locking assembly. A seat track for a vehicle containing a walk in memory device comprises a fixing rail(110), a transfer rail(120), and a locking assembly. The transfer rail coupled with the seat is moved to the front to lock the locking assembly to the fixing rail. The work memory device contains a fixing bracket, a rotary cam(230), an operating cam(240), and a rotary cam catching member(220). The rotary cam catching member is extended with a memory piece to a lower side of the side of the fixing rail. A memory bracket(228) is arranged to the side of the fixing rail. The memory piece is caught to the memory bracket to rotate the rotary cam catching member and to support the first fixing protrusion by the hanging protrusion. A first elastic member(280) is caught to the other side of the operating cam. A second elastic member(290) is caught to the rotary cam catching member.

Description

Seat track for vehicle having walk-in memory device

1 is a side view showing an example of a conventional vehicle seat track.

2 is an exploded perspective view showing an example of another conventional seat track for a vehicle.

3 is a perspective view of a vehicular seat frame comprising the vehicular seat track and walk-in memory device of FIG. 2 in accordance with an embodiment of the present invention;

4 is a partial perspective view of a vehicle seat track comprising a walk-in memory device in accordance with an embodiment of the present invention.

5 is a partially exploded perspective view of a vehicle seat track including a walk-in memory device in accordance with an embodiment of the present invention.

6A to 6D are side views showing an example of operation of a vehicle seat track including a walk-in memory device according to an embodiment of the present invention.

<Explanation of symbols for main parts of the drawings>

110: fixed rail 120: feed rail

130: locking assembly 131b: pressure projection

160: coil spring 200: walk-in memory device

210: cable 210a: cable latch

210b: cable coupling portion 220: rotation cam locking member

220h: Rotating cam locking member hole 222: Fixed jaw

222a: first fixed jaw 222b: second fixed jaw

224: memory 226: jam hole

228: Memory bracket 228a: Jamming flange

230: meeting cam 230h: meeting cam center hole

232: latching jaw 234h: cable coupling hole

240: operating cam 240h: operating cam hole

242: operation 246: locking pin

250: rotating shaft 252: rotating pin

258: connecting rod 260: linear bushing

270: Fixed bracket 270h1: Rotating shaft hole

270h2: Rotary pin hole 270h3: Through hole

270a: coupling hole 270b: pressurizing protrusion hole

272: cable locking 276, 278: elastic member locking

280: the first elastic member 290: the second elastic member

300: seat frame

The present invention relates to a seat track for a vehicle including a walk-in memory device. More particularly, the present invention relates to a vehicle seat track including a walk-in memory device. A seat track for a vehicle including a walk-in memory device.

In general, the vehicle seat track is provided in the driver's seat and the passenger seat of the vehicle as a structure that is provided in the lower portion of the seat to enable the front and rear sliding of the seat, and there is a locking assembly to allow the seat sliding and position fixing according to the operation of the seat occupant Is provided.

Meanwhile, with the recent development of the industry, leisure time has been expanded, and as the population participating in leisure activities has increased, the demand for leisure vehicles, which can accommodate a large number of passengers and have plenty of space for loading cargo, is increasing. It is true.

Looking at the seat arrangement of such a leisure vehicle is provided with a first row seat mainly composed of a driver's seat and a passenger seat in front. A second row sheet is provided at the rear, and consists of a third row sheet provided between the rear of the second row sheet and the cargo storage compartment. The first row seat and the second row seat can be freely loaded and unloaded through the front door and the rear door. However, since the third row seats do not have separate doors for getting on and off, the passengers get on and off through the rear doors. Therefore, for use as a rear door, the second row seat uses a walk in device that folds the seat back and moves the seat cushion forward.

In particular, when the seat is moved forward to allow passengers to ride and unload the third row seat and then return the seat to the rear, the seat track is automatically fixed in a position that is easy for passengers to ride and unload in the second row. The device provided in the device is collectively referred to as a walk in memory device.

FIG. 1 is a side view illustrating an example of a conventional walk-in memory device. As shown in FIG. 1, the seat lock memory device for automobiles described in Korean Patent Registration No. 0442748 (July 22, 2004) is a front view. A seat lock memory device that allows the lock 1038 of the locking system 1030 to be locked with a locking groove formed in the lower rail 1032 at a position where the seat is easily moved up and down on the front seat upon returning. 1050 is provided, wherein the seat lock memory device 1050 maintains the lock 1038 spaced apart from the lock groove of the lower rail 1032 when the seat is returned to the inner end of the operating shaft 1048. The operator 1051 is fixed to maintain the spaced apart from the lock groove to a predetermined point at the bottom, and the lower surface of the lower rail 1032 protrudes upward from the inside of the seat rail 1035 to push the operator 1051 Up to release the descent A block including memory bracket 1056 having such a lock 1038 locking.

In other words, when the rear lever 1042 is operated to pull the cable 1043 in the left direction of FIG. 1, the bridge 1049 connected to one end of the cable 1043 is rotated in the clockwise direction of FIG. 1 and rotated. The lock 1038 is spaced apart from the lock groove of the lower rail 1032 by the bridge 1049 to be in an unlocked state.

At this time, the operator 1051 is in an upright state, and the lock 1038 is operated in a state in which the lock 1038 is spaced apart from the lock groove of the lower rail 1032.

On the other hand, when the seat is returned, the operator 1051 is caught by the tip portion 1060 of the memory bracket 1056 and rotated, so that the lock 1038 is fitted into the lock groove of the lower rail 1032 to be in a locked state.

However, the walk-in memory device having the above structure has a structure in which the locking system 1030 and the seat lock memory device 1050 are integrally coupled to the upper rail 1033 and the lower rail 1032 to lock and unlock the other. Therefore, the locking system 1030, the seat lock memory device 1050, and the seat bracket 1045 are integrally coupled to each other.

Therefore, when assembling the seat track, all the components, that is, the lower rail 1032, the upper rail 1033, the locking system 1030 and the seat lock memory device 1050 must be assembled together, so that the overall assembly of the seat track There was a problem that the productivity is poor because it is quite uncomfortable.

In addition, when the cable 1043 is pulled by the operation of the rear lever 1042 and the lock 1038 is spaced apart from the lock groove of the lower rail 1032, when the rear lever 1042 is excessively operated, the cable 1043 is If tension is generated and such tension is continuously generated and fatigue of the cable 1043 is accumulated, there is a problem that the cable 1043 is eventually broken or cut.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems. The present invention provides a vehicle seat track including a walk-in memory device that can be easily modularized and prevents breakage or cutting of cables. Its purpose is to provide.

The present invention for achieving the above object is fixed rails fixed to both sides of the vehicle body bottom surface; A transfer rail coupled to an upper surface and slid along the fixed rail via a predetermined guide bearing; A locking assembly coupled to the transfer rail, the locking assembly being locked and unlocked with the fixed rail according to whether the pressure protrusion formed on one side is pressurized; In the seat track for a vehicle comprising a memory device which is a work that allows the locking assembly to be locked to the fixed rail in a position that is easy to move up and down when returning after the transfer rail coupled to the seat is moved forward, the work-in memory The device may include a fixing bracket fixedly coupled to an upper portion of the transfer rail; A rotation cam fixedly coupled to one side of the rotation shaft which is rotatably coupled to the fixing bracket, and connected to a cable at one end thereof, and a locking jaw formed at the other end thereof; It is fixedly coupled to the other side of the rotation shaft, one side of the outer circumference is formed to protrude, the operation piece is pressed by the pressure projection when the rotation of the rotation cam by the pull of the cable, the locking assembly is the fixed rail An actuating cam to be locked to the door; Rotating around the pivot pin, one side of the outer circumference is formed with a fixed jaw of a two-stage single-layer structure formed of a first fixed jaw close to the center and a second fixed jaw far from the center, and the actuating cam presses the pressure protrusion. If not, the first fixing jaw is fixed to the locking jaw, and when the actuating cam presses the pressure protrusion, the second fixing jaw is fixed to the locking jaw, and the other side of the outer circumference has a side of the fixed rail. And a rotation cam locking member having a memory piece extended downward, and a memory bracket is provided on a side of the fixing rail, and the memory piece is caught by the memory bracket when the sheet is moved forward and then returned to the locking cam. The member is rotated so that the first fixing jaw is fixed to the locking jaw.

Preferably, the operation piece of the operation cam is characterized in that the fan shape.

Preferably, the other side of the actuating cam is characterized in that the first elastic member for returning the rotation in the direction not to press the pressing projection is engaged.

Preferably, the rotating cam engaging member is characterized in that the second elastic member for providing a rotational force to be fixed so that the fixing jaw is fixed to the locking jaw.

Preferably, the walk-in memory device is installed on each of the transfer rails on both sides, characterized in that the rotating shaft of each of the walk-in memory device is connected by a connecting rod and rotated together.

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

On the other hand, with respect to the vehicle seat track including the memory device 200 which is the walk-in of the present embodiment, as shown in Fig. 2, the applicant's patent application No. 2006-35868 will be described together as an example.

However, the walk-in memory device 200 of the present invention is not limited to the applicant's patent application No. 2006-35868, and the seat track is formed by coupling the work-in memory device 200 to the seat track. It is a matter of course that both the fixed rail 110 and the transfer rail 120 are configured to lock and unlock each other depending on whether the pressure protrusion 131b formed at one side of the locking member 135 provided at the pressurizing unit is applied. .

As described in FIG. 2, the 'vehicle seat track having an insert type locking assembly' described in the applicant's patent application No. 2006-35868 has a fixed rail 110 supported by the vehicle body frame and a predetermined guide. It is attached to the conveying rail 120 and the conveying rail 120 sliding along the fixed rail 110 via a bearing 150 to lock and unload the conveying rail 120 to the fixed rail 110 In the vehicle seat track including a locking assembly 130 for locking, the locking assembly 130 is received and supported by the transfer rail 110, hingedly coupled to the transfer rail 110, the hinge shaft 132 ) Rotates around the pivot 136 which is accommodated and supported by the lever 131 pivoting about the center and the transfer rail 110 and perpendicular to the hinge shaft 132 in association with the lever 131. By the transfer rail 110 to the fixed rail 120 And the unlocked vehicle seat track comprising a locking member 135 that.

The lever 131 is pivotally supported by the hinge shaft 132 through the shaft hole 131h formed at the center portion, and the hinge shaft 132 is again penetrated by the lever bracket 133. Therefore, the lever 131 has a structure that rotates about the hinge shaft 132 in a state where the center region is accommodated in the lever bracket 133.

In addition, the center of the lever 131 is inserted into and supported by the hinge shaft 132 and one end is supported by the spring 134 supported by the lever bracket 133 to maintain a state in which an elastic force is applied to rotate clockwise. Therefore, when lifting the handle 140 connected to the right end of the lever 131 in the upward direction, as the operating end 131a of the opposite side descends, the operating arm 137 is pressed to rotate.

Meanwhile, a pressure protrusion 131b is upwardly formed between the operating end 131a and the hinge shaft 132 of the lever, and the pressure protrusion 131b is a through hole 120b formed on the upper surface of the transfer rail 120. It extends through it.

And the lever bracket 133 is fastened to the conveying rail 120 through the fastening hole (133h) formed on the upper surface.

The locking member 135 includes a rotating shaft 136 having a working arm 137 protruding at one end thereof, and a claw 138 having an extended shaft receiving portion 138a coupled to the rotating shaft 136. The claw 138 is locked or unlocked by being inserted into or detached from the fixing hole 110h formed in the fixing rail 110 by the elastic force of the spring 139.

The operation arm 137, the rotating shaft 136 and the claw 138 described above are all fixedly coupled to each other by welding or the like to operate integrally.

On the other hand, the rotating shaft 136 is rotatably supported by the bracket 135, the bracket 135a is fastened to the conveying rail 120 through the fastening hole (135h).

3 is a perspective view of a vehicle seat frame including the vehicle seat track and the walk-in memory device 200 of FIG. 2, wherein the seat frame 300 is coupled to the vehicle seat track of FIG. 2 as described above. Also coupled to the top of the vehicle seat track is a memory device 200 which is a walk.

Referring to Figure 3 describes the operation of the seat frame 300 is coupled to the vehicle seat track as follows.

First, when the work-in lever (not shown) is operated, the seat bracket 103 is rotated in the a direction of FIG. 3 with respect to the reclining shaft 10.

When the seat bracket 103 is rotated, the work in link 12 fixedly coupled to the reclining shaft 10 is rotated in the direction b of FIG. 3, and the protruding pin pressing portion 12a of the rotated work in link 12 is rotated. Presses the protruding pin 22a so that the first cable link 22 is rotated in the c direction of FIG. 3 with respect to the link pivot 26.

When the first cable link 22 rotates in the c direction of FIG. 3, the second cable link 24 to which the cable 212 is connected is linked to the link pivot shaft 26 to pull the cable 212. .

When the cable 212 is pulled, the connecting cable 214 connected to one side 212b of the cable 212 is linked to pull the cable 210 positioned on the opposite side. At this time, one side 212b of the cable 212 is preferably supported by the cable fixing bracket (212a).

On the other hand, the memory device 200 as a walk is coupled to the upper portion of the transport rail of the vehicle seat track coupled to the seat frame 300 operated as described above, and is linked by the pull of the cable 210.

As the main components of the walk-in memory device 200, as shown in FIGS. 4 and 5, the fixed bracket 270, the rotation cam 230, the operation cam 240, and the rotation cam locking member 220. It is configured to include, the operation cam 240 is provided with an elastic restoring force to the first elastic member 280, the rotation cam locking member 220 is provided with an elastic restoring force by the second elastic member 290. .

First, the fixing bracket 270 fixed to the upper portion of the transfer rail 120 will be described.

As shown in Figure 4 and 5, the fixing bracket 270 is a component that is fixed to the upper portion of the conveying rail 120 is formed in the "b" shape of the cross-section, the above-described rotating cam 230, Components such as an operation cam 240, a rotation cam locking member 220 is coupled to the fixed bracket 270.

Meanwhile, the cable catching piece 272 is integrally formed on the rear lower end of the fixing bracket 270 so that the cable catching part 210a provided at one end of the cable 210 is caught and the first elastic part is formed on the rear upper part. The elastic member catching piece 276 is integrally formed to hold the member 280. In addition, an elastic member engaging piece 278 is integrally formed at one central side of the fixing bracket 270 so that the second elastic member 290 is supported.

A pivot shaft hole 270h1 is formed at the center side of the fixing bracket 270 so that the pivot shaft 250 is rotatably fitted, and a pivot cam engaging member 220 to be described later is formed at the pivot pin 252. The rotation pin hole 270h2 is formed to be rotatably coupled thereto.

In addition, a pressure protrusion hole 270b is formed on the contact surface of the fixing bracket 270 that is in contact with the upper surface of the transfer rail 120 so that the pressure protrusion 131b of the lever 131 penetrates and extends to the transfer rail 120. In communication with the through-hole 120b of the plurality of coupling holes 270a for coupling to the upper side of the transfer rail 120 is formed.

Therefore, as shown in FIG. 4, the rotating cam 230 and the rotating shaft 250 fixedly coupled to one side of each component, that is, the rotating shaft 250, are fixed to the fixing bracket 270 formed as described above. The other components of the operation cam 240 is fixedly coupled to the other side, such as the rotation cam locking member 220 is rotated around the rotation pin 252 is coupled.

Next, a description will be given of the rotation cam 230 is fixedly coupled to one side of the rotation shaft 250 is rotatably coupled to the fixed bracket 270.

As shown in Figure 4 and 5, one end of the rotating cam 230 is formed with a cable coupling hole (234h) is coupled to the cable engaging portion 210b provided on the other end of the cable 210 is fitted, the work When the cable 210 is pulled due to the operation of the in lever (not shown), it is rotated about the pivot shaft 250.

At this time, the rotation shaft 250 is preferably coupled to the rotation shaft hole 270h1 of the fixing bracket 270 via a coupling member such as the linear bushing 260.

In other words, the linear bushing 260 fits into the rotation shaft hole 270h1, and after the rotation shaft 250 penetrates through the hole 260h of the linear bushing 260, one side of the rotation shaft 250. By inserting the pivoting cam center hole 230h, the pivoting cam 230 is coupled.

On the other hand, the other end of the rotating cam 230 is formed with a locking jaw 232, the fixing jaw 222 of the rotating cam locking member 220 to be described later is fixed. The operation relationship between the fixing jaw 222 and the locking jaw 232 will be described together with the description of the rotation cam locking member 220.

At this time, the rotation cam 230 is preferably formed so as not to interfere with the transfer rail 120 and the fixed rail 110 during the rotation by the pull of the cable (210).

Next, the operation cam 240 is fixedly coupled to the other side of the rotating shaft 250 is rotatably coupled to the fixed bracket 270.

The actuating cam 240 is formed by the actuating cam hole 240h and fixedly coupled to the other side of the pivoting shaft 250 to be rotated integrally with the pivoting cam 230 described above, and due to the operation of the work-in lever (not shown). When the pulley 210 is rotated by receiving the rotational force of the rotational cam 230 through the rotational shaft 250, the operation piece 242 protruding on one side of the outer circumference is pressurized protrusion 131b of the lever 131. By pressing the fixed rail 110 and the locking member 135 of the locking assembly 130 to be unlocked with each other.

On the other hand, the operation piece 242 is preferably formed in a fan shape having the same axis as the central axis of the rotation shaft 250.

This is because when the actuating cam 240 is rotated to pressurize the pressure protruding portion 131b, the fan-shaped actuating piece presses the pressure protruding portion 131b to the same size. That is, even if the actuating cam 240 is rotated and the actuating piece pressurizes the pressurizing protrusion 131b, tension is applied to each component by pressing the pressurizing protrusion 131b with the same pressing force regardless of the angle of rotation. To prevent it.

It is preferable that the first elastic member 280 is engaged with the other side of the operation cam 240 to return the rotation in a direction in which the pressure protrusion 131b is not pressed. At this time, the other side of the operation cam 240 is vertically protruding the engaging pin 246 is supported by one side 280a of the first elastic member 280, the other side (280b) of the first elastic member 280 is It is preferable to be caught and supported by the elastic member engaging piece 276 provided at the rear end of the fixed bracket 270.

For the operation relationship of the above-described first elastic member 280 to be included in the description of the rotating cam locking member 220 to be described later.

Finally, a description will be given of the rotation cam engaging member 220 which is rotated about the rotation pin 252 freely.

Rotating cam locking member 220 is a rotating cam locking member hole (220h) is formed in the center is coupled to the rotating pin hole (270h2) formed on the fixing bracket 270 via the rotating pin 252, the outer circumference of the On one side, a fixing jaw 222 of a two-stage single-layer structure formed of a first fixing jaw 222a close to the center and a second fixing jaw 222b far from the center is formed.

In detail, as shown in FIG. 5, the fixing jaw 222 is formed of a first fixing jaw 222a and a second fixing jaw 222b, which is formed at the center of the rotating cam locking member 220. The first fixing jaw 222a is formed on the near side, and the second fixing jaw 222b is formed on the side far from the center of the rotation cam locking member 220.

In addition, the first fixing jaw 222a and the second fixing jaw 222b described above are preferably connected to form a two-stage single layer structure.

Before the operation of the work-in lever (not shown), the fixing jaw 222 of the above-described structure, as shown in FIG. 6A, the first fixing jaw 222a of the rotating cam locking member 220 is the rotating cam 230. When the cable 210 is pulled by the work-in lever (not shown) and the cable 210 is pulled, the second fixing jaw of the rotation cam locking member 220 is fixed as shown in FIG. 6B. 222b) is fixed to the locking step 232 of the rotation cam 230.

On the other hand, the other side of the outer peripheral circumference of the rotating cam engaging member 220, the memory piece 224 is formed to extend down the side of the fixing rail 110, the locking flange 228a on the side of the upper side of the fixing rail (110) Is provided with a “b” shaped memory bracket 228, and when the sheet is moved forward, the memory piece 224 is engaged with the locking flange 228a of the memory bracket 228 when the sheet is returned. The member 220 is rotated so that the first fixing jaw 222a is fixed to the locking jaw 232.

In addition, the fixing jaw 222 of the rotation cam locking member 220 is preferably engaged with the second elastic member 290 so as to be fixed to the locking jaw 232 of the rotation cam 230.

That is, one side 290a of the second elastic member 290 is caught and supported by the elastic member engaging piece 278 formed on one side of the center of the fixing bracket 270, and the other side 290b of the second elastic member 290 is supported. It is caught and supported by the locking hole 226 formed in the rotation cam locking member 220.

At this time, the other side of the second elastic member 290 is preferably supported by the locking hole 226 of the rotating cam locking member 220 through the through hole (270h3) formed in the fixing bracket 270.

Therefore, the rotation jaw is provided so that the fixing jaw 222 of the rotation cam locking member 220 is fixed to the locking jaw 232 of the rotation cam 230.

On the other hand, the walk-in memory device 200 configured as described above are respectively installed on the transfer rails 120 on both sides, the rotating shaft 252 of each walk-in memory device 200 is connected to the connecting rod 258 It is preferable to rotate together.

6A to 6D, the operation of the vehicle seat track including the memory device 200 that is the walk of the present embodiment will be described in detail.

First, as shown in Figure 6a, before operating the walk-in lever (not shown), the locking jaw 232 of the rotating cam 230 and the first fixing jaw 222a of the rotating cam locking member 220 Are supported fixed to each other.

That is, since the rotating cam 230 is a structure that is integrally coupled by the operating cam 240 and the rotating shaft 250 engaged with the first elastic member 280, by the first elastic member 280 Rotation force to rotate in the counterclockwise direction is generated, the rotation cam locking member 220 is generated by the second elastic member 290 to rotate in the clockwise direction is generated, it is fixed to each other.

In this case, when the work-in lever (not shown) is operated, the cable 210 is pulled, and the rotation cam 230 rotates clockwise, and is integral with the rotation cam 230 through the rotation shaft 250. The working cam 240 fixedly coupled also rotates in a clockwise direction so that the working piece 242 of the working cam 240 presses the pressure protrusion 131b of the lever 131.

When the operating piece 242 presses the pressure protrusion 131b, the locking member 135 and the fixed rail 110 of the locking assembly 130 are in an unlocked state, and thus the memory piece is formed by the second elastic member. With the lower end of 224 in contact with the engaging flange 228a of the memory bracket 228, the transfer rail 120 is moved from the fixed rail 110 to the transfer rail 120 by the coil spring (160 in FIG. 3). ) Is a work that slides forward.

As shown in FIG. 6B, during the walk-in operation, the second fixing jaw 222b is fixed to the locking jaw 232 of the rotation cam 230, and at this time, the height of the lower end of the memory piece 224 is a locking flange. It becomes a position lower than the height of 228a, and as shown in FIG. 6C, it continues the operation which is the workpiece | work which the conveyance rail 12 slides forward from the fixed rail 110. FIG.

On the other hand, when returning the transport rail coupled to the upper surface, as shown in Figure 6d, the lower end of the memory piece 224 is caught by the locking flange 228a of the memory bracket 228, the rotation cam locking member 220 ) Rotates counterclockwise, and at this time, the rotation cam 230 is rotated counterclockwise by the first elastic member.

As the rotation cam 230 rotates counterclockwise, the operation cam 240 integrally coupled by the rotation cam 230 and the rotation shaft 250 rotates counterclockwise, so that the operation cam 240 The operation piece 242 releases the pressure from the pressure protrusion 131b, and the locking member 135 and the fixed rail 110 of the locking assembly 130 are locked to each other.

At the same time, the locking jaw 232 of the rotation cam 230 is supported by being caught by the first fixing jaw 222a of the rotation cam locking member 220.

In this state, the occupant releases the locking state of the locking member 135 and the fixed rail 110 of the locking assembly 130 by operating the lever (140 of FIG. 2), and then transfers the transport rail to a position that is convenient for seating. The locking member 135 and the fixed rail 110 of the locking assembly 130 are locked to each other.

The present invention described above can be embodied in many other forms without departing from the spirit or main features thereof. Therefore, the above embodiments are merely examples in all respects and should not be interpreted limitedly.

According to the present invention configured as described above, by enabling the modularization of the memory device, which is a work in cooperation with the locking assembly coupled to the transfer rail, the overall assembly of the seat track is made simple, thereby improving productivity.

In addition, since the shape of the operation piece for pressing the pressure protrusion provided on one side of the locking assembly coupled to the conveying rail has a fan shape, the tension applied to the cable during the work-in lever operation is reduced, so that the occurrence of tension is suppressed. The cable is less fatigued to prevent breakage or cutting of the cable.

Claims (5)

Fixed rails fixed to both sides of the bottom surface of the vehicle body; A conveying rail coupled to the upper surface and slid along the fixed rail via a predetermined guide bearing; A locking assembly coupled to the transfer rail, the locking assembly being locked and unlocked with the fixed rail according to whether the pressure protrusion formed on one side is pressurized; A vehicle seat track comprising a memory device which is a work that allows the locking assembly to be locked to the fixed rail at a position that is easy to lift and unload upon returning after the transfer rail to which the seat is coupled is moved forward, The walk-in memory device, A fixing bracket fixedly coupled to an upper portion of the transfer rail; A rotation cam fixedly coupled to one side of the rotation shaft which is rotatably coupled to the fixing bracket, and connected to a cable at one end thereof, and a locking jaw formed at the other end thereof; It is fixedly coupled to the other side of the rotation shaft, one side of the outer circumference is formed to protrude, the operation piece is pressed by the pressure projection when the rotation of the rotation cam by the pull of the cable, the locking assembly is the fixed rail An actuating cam to be locked to the door; Rotating around the pivot pin, one side of the outer circumference is formed with a fixed jaw of a two-stage single-layer structure formed of a first fixed jaw close to the center and a second fixed jaw far from the center, and the actuating cam presses the pressure protrusion. If not, the first fixing jaw is fixedly supported on the locking jaw, and when the actuating cam presses the pressure protrusion, the second fixing jaw is fixed to the locking jaw, and the other side of the outer circumference has a side of the fixed rail. It is made to include a rotating cam locking member that extends downward memory piece, A memory bracket is provided on a side surface of the fixing rail, and when the seat is moved forward, the memory piece is caught by the memory bracket and the rotating cam locking member is rotated so that the first fixing jaw is fixed to the locking jaw. A vehicular seat track comprising a walk-in memory device. The method of claim 1, And a work-in memory device, characterized in that the actuating piece of the actuating cam is fan-shaped. The method of claim 1, And a walk-in memory device on the other side of the operation cam, wherein a first elastic member is engaged to return rotation in a direction in which the pressurizing protrusion is not pressed. The method of claim 1, And a second elastic member providing a rotational force such that the fixing jaw is fixed to the locking jaw by the rotating cam catching member. The method of claim 1, The walk-in memory device is installed on each of the transfer rails on each side, the vehicle seat track comprising a walk-in memory device, characterized in that the rotation shaft of each of the walk-in memory device is connected by a connecting rod and rotated together.

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