KR101662461B1 - Seat cushion extension apparatus - Google Patents

Seat cushion extension apparatus Download PDF

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Publication number
KR101662461B1
KR101662461B1 KR1020150136937A KR20150136937A KR101662461B1 KR 101662461 B1 KR101662461 B1 KR 101662461B1 KR 1020150136937 A KR1020150136937 A KR 1020150136937A KR 20150136937 A KR20150136937 A KR 20150136937A KR 101662461 B1 KR101662461 B1 KR 101662461B1
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KR
South Korea
Prior art keywords
unit
extension plate
extension
seat
locking
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KR1020150136937A
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Korean (ko)
Inventor
박준규
Original Assignee
주식회사다스
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Priority to KR1020150136937A priority Critical patent/KR101662461B1/en
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Publication of KR101662461B1 publication Critical patent/KR101662461B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/62—Thigh-rests
    • B60N2/4495—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/58—Seat coverings
    • B60N2/60—Removable protective coverings

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)

Abstract

The present invention relates to a manual extension device of a seat cushion comprising: an extension plate arranged to be able to rotate in front of a seat cushion; a slide unit moving together with the extension plate; an extension unit for widening a distance between the extension plate and a cushion frame; a swing unit for rotating the extension plate; a locking unit for locking the movement of the slide unit to the cushion frame; and an operation unit operated by a passenger to unlock locking by the locking unit. Therefore, the femoral region of the passenger can be supported more stably as the extension plate can be operated by sliding operation and swinging operation after the extension plate for supporting the femoral region of the passenger is arranged vertically in front of a seat, and the extension plate can be moved farther ahead of the seat by the extension unit.

Description

Technical Field [0001] The present invention relates to a seat cushion extension apparatus,

The present invention relates to a manual extension device for a seat cushion. More particularly, the present invention relates to a manual extension device for a seat cushion which is capable of stably supporting the thigh portion by extending the seating surface with respect to the cushion portion of the seat in accordance with the physical characteristics of the occupant, And a manual extension device.

Generally, a seat provided on a vehicle includes a seat cushion for supporting a lower body of a seat occupant from below to allow a comfortable feeling when sitting, and a seat back supporting the upper body and a headrest for supporting the head and the neck.

The seat cushion is formed to have a predetermined size and can not be adjusted in size. The passengers using this squeak cushion had a variety of physical conditions and were not able to provide optimum comfort for long legged passengers.

A seat cushion extension device for expanding the cushion portion of a seat to widely use such a seat cushion extension device has been proposed in Korean Patent Publication No. 2010-0033580.

In the above disclosed conventional seat cushion extension device, an extension plate for supporting the thigh of a passenger is slidably provided on the upper surface of the cushion frame, and a driving unit provided on the bottom surface of the cushion frame moves the seat forward .

Between the extension plate and the cushion frame, a guide rail bracket and a movable rail bracket are provided for guiding the extension plate to smoothly move back and forth in the cushion frame.

The drive unit includes a motor for generating power, an operation rod moved forward and backward by driving of the motor, and a connection frame connected to the operation rod and coupled to the extension plate.

In the conventional seat cushion extension device as described above, when the operating rod is moved forward and backward by the driving of the motor, the extension plate coupled to the connection frame connected to the operation rod is extended from the upper surface of the cushion frame So that the seat cushion is extended forward.

However, in the above-described conventional seat cushion extension device, the extension of the seat cushion is extended while the extension plate for supporting the femoral portion of the occupant is provided on the upper surface of the cushion frame and moved forward of the seat, There is a problem that a passenger who is tall can not be satisfied.

Korean Patent Publication No. 2010-0033580 (Mar. 31, 2010)

SUMMARY OF THE INVENTION Accordingly, the present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to provide a seat cushion in which, after an extension plate is vertically formed in front of a seat, And it is an object of the present invention to provide a manual extension device for a seat cushion which is capable of extending the cushion farther and stably supporting the femoral portion of the occupant.

According to an aspect of the present invention, there is provided a seat cushion including: an extension plate rotatably provided in front of a seat cushion to support a fulcrum portion of a passenger when using the seat cushion; an extension plate connected to the extension plate and movably coupled to the cushion frame, A slide unit which is moved together with the extension plate when the extension plate is pulled, and a slide unit which is connected between the extension plate and the cushion frame so as to further increase the distance between the extension plate and the cushion frame when the extension plate is moved forward by the operation unit A swing unit provided on the extension plate and the slide unit for rotating the extension plate when the extension plate is moved to the front of the seat by pulling the occupant; Work on is provided in the lock unit, a seat for the lock is characterized in that it comprises an operation unit for operating the passenger to release the lock of the locking unit.

The slide unit may include a slide member hinged to the extension plate and slidably coupled to the cushion frame, and a guide rail coupled to the cushion frame to guide movement of the slide member.

The slide member may include a first slide member hinged to the back surface of the extension plate and formed of a plate member having a predetermined width and disposed in parallel with the extension plate, A guide member guided by the guide rail and a second slide member coupled to the first slide member and the guide member and further projecting in the lateral direction of the sheet than both end portions of the first slide member.

The extension unit includes a hinge bracket rotatably coupled to a side portion of the cushion frame, the hinge bracket being disposed in a horizontal state when the extension plate is not used, a front end portion of the hinge bracket being hinged to a rear surface of the extension plate, A first link bracket hinged to the rear end of the hinge bracket; and a second link bracket having a front end hinged to the front end of the hinge bracket and a rear end hinged to the cushion frame.

Also, the swing unit may include at least one combination of protrusions formed on the back surface of the extension plate, spaced upward from a portion to which the operation unit is connected, and a coupling hole formed in a direction orthogonal to the front- And a hinge protrusion formed on the slide unit, the hinge protrusion being pivotably fitted to the coupling hole.

The locking unit includes a locking hole formed in the slide unit, a locking member hinged to the cushion frame to be actuated when the occupant operates the operating unit, and having a locking protrusion fitted in the locking hole to lock the slide unit And a torsion spring for elastically supporting the locking member against the cushion frame and returning the locking member to the original state after operation.

The operating unit includes an operating lever rotatably provided on the seat, a cable having both ends connected to the operating lever and the lock unit and transmitting the operating force of the operating lever to the lock unit, A guide pipe connected to the vicinity of the lock unit for guiding movement of the cable so that the cable is inserted and inserted so that both end portions of the cable are protruded and a guide pipe connected to the cable for turning on the operation lever to operate the lock unit And a support bracket for supporting the pressure lever in a rotatable manner with respect to the cushion frame.

According to the present invention, after the extension plate for supporting the femoral portion of the occupant is provided in the front of the seat in a vertical state, the extension plate is operated by the slide operation and the swing operation, and the extension plate is moved further toward the front of the seat So that it is possible to more stably support the femoral component of the occupant.

1 is a perspective view showing a seat cushion manual extension device according to an embodiment of the present invention;
FIG. 2 is a rear perspective view of FIG. 1. FIG.
FIG. 3 is an exploded perspective view of FIG. 1; FIG.
Fig. 4 is a perspective view showing a lock unit and an operation unit of the manual extension device of Fig. 1; Fig.
Fig. 5 is a rear perspective view of Fig. 4; Fig.
FIG. 6 is a perspective view showing an operation process of the operation unit and the lock unit of FIG. 4;
FIGS. 7 to 10 are side views showing the operation of the extension unit in the manual extension device of FIG. 1;

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are terms defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

FIG. 1 is a perspective view showing a seat cushion manual extension device according to an embodiment of the present invention, FIG. 2 is a rear perspective view of FIG. 1, and FIG. 3 is an exploded perspective view of FIG. FIG. 4 is a perspective view showing a lock unit and an operation unit of the manual extension device of FIG. 1, FIG. 5 is a rear perspective view of FIG. 4, and FIG. 6 is a perspective view illustrating the operation of the operation unit and the lock unit of FIG. . FIGS. 7 to 10 are side views illustrating the operation of the extension unit in the manual extension device of FIG. 1. FIG.

First, as shown in Fig. 1, the seat is provided with an extension device 100 on a seat cushion 50 for an occupant to sit on, and the extension device 100 is configured to use the extension device 100 in accordance with his or her physique do.

Here, the extension device 100 includes an extension plate 110, a slide unit 130, an extension unit 140, a swing unit 150, a lock unit 160, and an operation unit 170.

The extension plate 110 is hinged to the front end of the seat cushion to extend the seat cushion to further support the thigh of the occupant, and is formed of a flat member so as to form a plane parallel to the upper surface of the seat cushion.

That is, the extension plate 110 is rotated vertically at the front of the seat cushion before use of the extension device 100, and is rotated in the forward direction of the seat cushion while being deployed in a flat state as the seat cushion, Thereby forming a flat surface parallel to the surface of the substrate.

The swing unit 150 and the slide unit 130, which will be described later, are coupled to the back surface (the surface facing the seat in the vertical state) of the extension plate 110. The upper surface It is preferable to cover the skin material made of the same material as the above.

The slide unit 130 serves to guide the extension unit 110 to move in a straight line without being moved when the extension plate 110 is moved forward by the pulling of the occupant. The slide unit 130 includes the slide member 131 and the guide rail 132 do.

The slide member 131 includes a first slide member 131a hinged to the back surface of the extension plate 110 and a second slide member 131a coupled to the first slide member 131a in a direction orthogonal to the first slide member 131a A guide member 131b guided by the guide member 132 and a second slide member 131c coupled to the first slide member 131a and the guide member 131b.

The first slide member 131a is a plate-shaped member having a predetermined width and is disposed in the same direction as the extension plate 110 and is hinged to the back surface of the extension plate 110 by a swing unit 150 described later.

The guide member 131b is coupled to the first slide member 131a in a direction orthogonal to the first slide member 131a so that the guide member 131b protrudes toward the cushion frame 50 and is coupled to the bottom surface of the cushion frame 50. [ And is reciprocated in the guide groove 132a. The guide member 131b may be integrally formed at the rear end of the first slide member 131a at the time of molding the first slide member 131a.

The guide member 131b is formed to have a width smaller than the width of the guide groove 132a so as to be fitted into the guide groove 132a formed in the upper portion of the guide rail 132. [

The second slide member 131c is coupled to the first slide member 131a and the guide member 131b so as to be moved together and is coupled in the same direction as the first slide member 131a. That is, the second slide member 131c protrudes further in the both lateral direction of the sheet than the first slide member 131a and serves to join the extension unit 140 described later.

Here, the first slide member 131a, the second slide member 131c, and the guide member 131b may be integrally formed by processing one plate member.

The guide rail 132 is coupled to the bottom surface of the cushion frame 50 and guides the movement of the guide member 131b while coupling the guide member 131b to the bottom surface of the cushion frame 50. The guide rail 132 is formed on its upper surface with a guide groove 132a passing through in the longitudinal direction of the sheet. That is, the guide rail 132 is coupled to the bottom surface of the cushion frame 50 with the upper surface facing the bottom surface of the cushion frame 50, and is guided by the guide groove 131a, Thereby forming a hole.

The extension unit 140 is connected between the extension plate 110 and the cushion frame 50 so that when the extension plate 110 is moved toward the front of the seat due to the pulling of the occupant, A first link bracket 142, and a second link bracket 143. The hinge bracket 141 includes a hinge bracket 141, a first link bracket 142, and a second link bracket 143. The hinge bracket 141, the first link bracket 142,

The hinge bracket 141 is formed of a member having a predetermined length, and the central portion of the hinge bracket 141 is rotatably coupled to both sides of the second slide member 131 of the slide unit 130.

The first link bracket 142 is formed to have a predetermined length and both ends are hinged to the back surface of the extension plate 110 and the hinge bracket 141, respectively. That is, one end (front end) of the first link bracket 142 is hinged to the back surface of the extension plate 110, and the other end (rear end) is hinged to the rear end of the hinge bracket 141.

The second link bracket 143 is formed to have a predetermined length and both ends are rotatably coupled to the hinge bracket 141 and the cushion frame 50 in front of one side thereof, respectively. That is, one end (front end) of the second link bracket 143 is hinged to the front end of the hinge bracket 141, and the other end (rear end) of the second link bracket 143 is hinged to the front of one side of the cushion frame 50 .

That is, when the occupant manually pulls the extension plate 110 from the front of the seat, the first link bracket 142 of the extension unit 140 is moved toward the front of the seat together with the extension plate 110, and the hinge bracket 141 are rotated in the counterclockwise direction, and the second link bracket 143 is moved in the direction opposite to the first link bracket 142.

The swing unit 150 is provided between the extension plate 110 and the first slide member 131a of the slide unit 130 so that when the extension plate 110 is moved toward the front of the seat by the pull of the occupant, (110) so as to support the thigh of the passenger.

The swing unit 150 includes at least one engaging protrusion 151 protruding from the back surface of the extension plate 110 and having a fitting hole, And a hinge protrusion 152 protruding in a direction orthogonal to the coupling protrusion 151 and rotatably fitted in the coupling hole of the coupling protrusion 151.

The engaging protrusion 151 is formed on the back surface of the extension plate 110 and is formed above the portion to which the first link bracket 142 of the extension unit 140 hinged to the extension plate 110 is coupled .

That is, the engaging protrusion 151 is formed above the engaging portion of the first link bracket 142, so that when the passenger pulls the extension plate 110, the hinge protrusion 152, to which the engaging protrusion 151 is engaged, The lower end of the extension plate 110 is rotated in the clockwise direction to be in a planar state.

The hinge protrusion 152 is punched through the coupling hole of the coupling protrusion 151 so as to prevent the hinge protrusion 152 from coming off.

The locking unit 160 is provided on the cushion frame 50 to lock the guide member 131b of the slide unit 130 configured to be reciprocated on the guide rail 162 to prevent movement of the slide unit 130 And includes a locking hole 161, a locking member 162, and a torsion spring 163.

A plurality of locking holes 161 are formed in the guide member 131b coupled to the guide rail 132 and moved together with the extension plate 110 when the extension plate 110 is used.

The central portion of the locking member 162 is hinged to the bottom surface of the cushion frame 50 by a separate engaging bracket. The locking member 162 has at least one locking protrusion 162a formed at one end thereof. The locking protrusion 162a is fitted in a locking hole 161 of a part of the plurality of locking holes 161 and serves as a lock to prevent the guide member 131b from moving in the guide rail 132. [

The locking member 162 is provided with a lever protrusion protruding in the form of a lever so as to be pressed by an operation unit 170, which will be described later, at the opposite end of the locking protrusion 162a. Here, the locking member 162 may be configured to lock one of the pair of guide members 131b to the guide rail 132. However, as in the embodiment of the present invention, It is preferable to constitute a pair of members 131b in order to lock the members 131b to the pair of guide rails 132 all together.

The torsion spring 163 is supported by the cushion frame 50 and the locking member 162 so that the locking member 162 is elastically supported by the locking member 162. That is, the torsion spring 163 provides an elastic force such that the locking protrusion 162a of the locking member 162 is held in the locking hole 161 of the guide member 131b.

The operation unit 170 is used for unlocking or locking the lock unit 160 by operating the occupant in order to use the extension plate 110 and includes an operation lever 171, a cable 172, a guide pipe 173, A pressure lever 174, and a support bracket 175. [

The operation lever 171 is for holding and pulling the occupant by hand, and the upper end portion of the operation lever 171 is hinged to the cushion frame 50. The operation lever 171 is resiliently supported with respect to the cushion frame 50 by a separate torsion spring (not shown) so that the operation lever 171 is restored to its original state when the occupant is pulled or pulled.

Both ends of the cable 172 are connected to the operation lever 171 and the pressure lever 174 so that the occupant is pulled toward the operation lever 171 when the operation lever 171 is operated and rotates the pressure lever 174, The locking member 162 of the locking member 160 is operated.

Both ends of the guide tube 173 are coupled to the vicinity of the operation lever 171 and the support bracket 175 to guide the movement of the cable 172. That is, the cable 172 is connected to the guide pipe 173 so that both ends of the cable 172 protrude from both ends of the guide pipe 173.

The pressing lever 174 is hinged to the supporting bracket 175 and is rotated when the portion to which the cable 172 is connected is pulled when the cable 172 is pulled in operation of the operating lever 171, . The pair of pushing levers 174 are connected to the cable 172 and the portion to which the cable 172 is connected is connected to the cable 172, And the opposite side is moved upward, so that the ends of the pair of locking members 162 are pressed and operated.

The support bracket 175 is coupled to the bottom surface of the cushion frame 50 and rotatably couples the pressure lever 174 to the cushion frame 50. The support bracket 175 is formed in a shape of a "C" and has opposite ends joined to the bottom of the cushion frame 50 so that the pushing lever 174 is pivoted so that the pushing lever 174 Thereby forming an operating space.

The supporting bracket 175 is provided with through holes through which the pressing levers 174 penetrate so that the pressing levers 174 penetrate and press the locking members 162.

The slide member 131 is inserted between the cushion frame 50 and the slide member 131 of the slide unit 130 when the extension plate 110 is used with the extension plate 110, And a moving unit 180 for pressing the slide member 131 to move the extension plate 110 toward the front of the seat.

The movable unit 180 includes a compression spring 181 for generating an elastic force for moving the extension plate 110 to the front of the seat and a compression spring 182 for resiliently supporting the compression spring 181 to press the slide member 131 And a receiving housing 183 for receiving the pressing member 182 and the compression spring 181 and coupling the same to the cushion frame.

The pressing member 182 is configured such that the pressing member 182 is resiliently supported by the return spring 181 in the receiving housing 183 so that the front end of the pressing member 182 is reciprocated while protruding outside the receiving housing 183. A locking protrusion is formed on the rear end of the pressing member 182 to prevent the rear end portion of the pressing member 182 from being detached from the receiving housing 183 when the pressing member 182 reciprocates.

Hereinafter, the operation of the manual sheet expansion apparatus according to an embodiment of the present invention will be briefly described.

First, the initial state of the extension device 100 is a state in which the extension plate 110 is not used, and the extension plate 110 is in a vertical state as shown in FIGS.

After that, the occupant releases the locking of the lock unit 160 by operating the operation lever 171 provided on the seat in order to use the extension plate 110 after boarding the seat cushion. This will be described in detail below.

First, the passenger pulls up the operating lever 171 provided on the seat in the direction of the arrow as shown in Fig. Then, the operation lever 171 is rotated with the upper end thereof as a hinge, and the cable 172 connected to the back surface of the operation lever 171 is pulled toward the operation lever 171. At the same time, the cable 172 pulls the pressure lever 174 connected to the opposite side of the operation lever 171.

The pressing lever 174 is pivoted in the operating space of the supporting bracket 175 by the pulling of the cable 172 and presses the locking member 162 of the locking unit 160. [ That is, the pressing lever 174 is pivoted about the central portion while the cable 172 is connected to the cable 172, and the opposite portion of the cable 172 is connected to the end of the locking member 162 It will be done.

The locking protrusion 162a formed at the end of the locking member 162 is detached from the locking hole 161 of the guide member 131b so that the locking protrusion 162a of the sliding unit 130 The lock is released.

When the slide unit locked by the lock unit is unlocked, the passenger grips the extension plate 110 by hand and pulls the extension unit 140 in the direction toward the front of the seat. At this time, the occupant must maintain the state in which the operating lever 171 is being pulled.

Hereinafter, the operation of the extension unit 140 will be described in more detail.

When the occupant pulls the extension plate 110, the first link bracket 142 of the extension unit 140 is moved forward together with the extension plate 110. At the same time, the hinge bracket 141, which is hinged to the rear end of the first link bracket 142, rotates counterclockwise as shown in Fig. 8 with the center thereof being a hinge. That is, the extension plate 110 is rotated by the swing unit 150.

At this time, the rear end portion of the rotated hinge bracket 141 is pushed forward by pushing the first link bracket 142 while rotating forward, and the front end portion is rotated backward to press the second link bracket 143 backward of the seat I will. 9, the upper surface of the extension plate 110 is gradually turned to be a gentle slope, and when the extension plate 110 is completely moved forward by the extension unit 140 As shown in Fig. 10, the upper surface of the extension plate 110 has a planar shape similar to the upper surface of the seat cushion. Thereafter, the passenger stops pulling the operation lever 171 and operating it.

Then, the locking member 162 returns to the original state by the elastic force of the torsion spring 163. [ That is, the locking protrusion 162a of the locking lever 162 is fitted in the locking hole 161 of the guide member 131b to lock the slide unit 130. [ Thereby, the operation of the extension device 100 is completed.

Therefore, according to the seat cushion manual extension device 100 according to the embodiment of the present invention, after the extension plate 110 supporting the femoral portion of the passenger is vertically disposed in front of the seat, the extension plate 110 And the extension unit 110 can be moved further toward the front of the seat by the extension unit 140 so that the thigh of the occupant can be supported more stably.

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 embodiments, but, on the contrary, It is understandable. Accordingly, the true scope of the present invention should be determined by the following claims.

50: Seat cushion
100: Extension device 110: Extension plate
130: Slide unit
131: slide member 131a: first slide member
131b: guide member
132: guide rail
140: Extension unit 141: Hinge bracket
142: first link bracket 143: second link bracket
150: Swing unit
151: engaging projection 152: hinge projection
160: Locking unit
161: locking hole 162: locking member
162a: locking protrusion 163: torsion spring
170: Operation unit
171: Operation lever 172: Cable
173: guide tube 174: pressure lever
175: Support bracket
180: mobile unit
181: Compression spring 182:
183: Receiving housing

Claims (7)

An extension plate provided rotatably in front of the seat cushion to support a thigh of a passenger in use;
A slide unit connected to the extension plate and movably coupled to the cushion frame and moved together with the extension plate when the occupant pulls the extension plate;
An extension unit connected between the extension plate and the cushion frame to further expand the distance between the extension plate and the cushion frame when the extension plate is moved forward by the operation unit by the operation unit;
A swing unit provided on the extension plate and the slide unit for rotating the extension plate when the extension plate is moved to the front of the seat by pulling the occupant;
A locking unit provided in the cushion frame for locking the movement of the slide unit to the cushion frame;
An operating unit provided on the seat and operated by a passenger to unlock the lock unit;
And a manual extension device for the seat cushion. The method according to claim 1,
The slide unit includes:
A slide member hinged to the extension plate and slidably coupled to the cushion frame;
A guide rail coupled to the cushion frame to guide movement of the slide member;
And a manual extension device for the seat cushion.
The method of claim 2,
The slide member
A first slide member hinged to the back surface of the extension plate, the first slide member being formed of a plate member having a predetermined width and disposed in parallel with the extension plate;
A guide member coupled in a direction orthogonal to the first slide member and guided by the guide rail;
A second slide member coupled to the first slide member or the guide member and further projecting in a lateral direction of the sheet than both end portions of the first slide member;
And a manual extension device for the seat cushion.
The method according to claim 1,
Wherein the extension unit comprises:
A hinge bracket rotatably coupled to a side portion of the cushion frame, the hinge bracket being disposed in a horizontal state when the extension plate is not used;
A first link bracket having a front end hinged to a rear surface of the extension plate and a rear end hinged to a rear end of the hinge bracket;
A second link bracket having a front end hinged to a front end of the hinge bracket and a rear end hinged to the cushion frame;
And a manual extension device for the seat cushion.
The method of claim 4,
The swing unit includes:
At least one engaging projection protruding from the back surface of the extension plate and spaced upward from a portion to which the operation unit is connected and having a coupling hole formed in a direction orthogonal to the longitudinal direction of the seat;
A hinge protrusion formed on the slide unit, the hinge protrusion being rotatably fitted in the coupling hole;
And a manual extension device for the seat cushion.
The method according to claim 1,
The lock unit,
A locking hole formed in the slide unit;
A locking member hinged to the cushion frame to operate when the operation unit is operated by a passenger, and having a locking protrusion fitted in the locking hole to lock the slide unit;
A torsion spring for elastically supporting the locking member against the cushion frame and returning the locking member to the original state after operation;
And a manual extension device for the seat cushion.
The method according to claim 1,
The operation unit includes:
An operation lever rotatably provided on the seat;
A cable for connecting both the operation lever and the lock unit and transmitting the operation force of the operation lever to the lock unit;
A guiding tube which is coupled to both of the operation lever and the lock unit and which guides the movement of the cable so that the cable is inserted and inserted so that both ends of the cable are protruded;
A pressing lever connected to the cable for operating the locking unit while being rotated when the operating lever is operated;
A support bracket rotatably coupled to the cushion frame for supporting the pressure lever;
And a manual extension device for the seat cushion.

KR1020150136937A 2015-09-25 2015-09-25 Seat cushion extension apparatus KR101662461B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180060398A (en) * 2016-11-29 2018-06-07 주식회사다스 Extensible apparatus for seat cushion in vehicle
KR101956264B1 (en) * 2017-10-31 2019-03-11 주식회사 다스 Extensible apparatus for seat cushion in vehicle
KR20190057903A (en) * 2017-11-21 2019-05-29 주식회사다스 Locking structure for manual cushion extension apparatus

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100033580A (en) 2008-09-22 2010-03-31 다이모스(주) Seat cushion extension apparatus
KR20110031782A (en) * 2009-09-21 2011-03-29 현대자동차주식회사 Seat cushion extension apparatus
KR20120136560A (en) * 2011-06-09 2012-12-20 현대다이모스(주) Leg rest apparatus for vehicle seat
KR20150004590A (en) * 2013-07-03 2015-01-13 현대다이모스(주) Reg rest apparetus for vehicle sheat
KR20150107033A (en) * 2014-03-13 2015-09-23 현대자동차주식회사 Seat cushion extension apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100033580A (en) 2008-09-22 2010-03-31 다이모스(주) Seat cushion extension apparatus
KR20110031782A (en) * 2009-09-21 2011-03-29 현대자동차주식회사 Seat cushion extension apparatus
KR20120136560A (en) * 2011-06-09 2012-12-20 현대다이모스(주) Leg rest apparatus for vehicle seat
KR20150004590A (en) * 2013-07-03 2015-01-13 현대다이모스(주) Reg rest apparetus for vehicle sheat
KR20150107033A (en) * 2014-03-13 2015-09-23 현대자동차주식회사 Seat cushion extension apparatus

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180060398A (en) * 2016-11-29 2018-06-07 주식회사다스 Extensible apparatus for seat cushion in vehicle
KR102524278B1 (en) 2016-11-29 2023-04-21 주식회사 다스 Extensible apparatus for seat cushion in vehicle
KR101956264B1 (en) * 2017-10-31 2019-03-11 주식회사 다스 Extensible apparatus for seat cushion in vehicle
KR20190057903A (en) * 2017-11-21 2019-05-29 주식회사다스 Locking structure for manual cushion extension apparatus
KR102402993B1 (en) 2017-11-21 2022-05-27 주식회사 다스 Locking structure for manual cushion extension apparatus

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