KR20160140767A - Child Seat - Google Patents

Abstract

The present invention provides an ISOFIX type child seat which can be reliably connected to an anchor member of a vehicle seat by a simple operation. The child seat 1 is provided with a locking member 74 and a to-be-locked member 57 and is arranged so as to be movable in the front-rear direction. The arm member 50 is disposed on the arm member 50, And the connecting member 60 which can be connected to the anchor member 103 of the arm member 50. The forward and backward movement of the arm member 50 is restricted by the engagement between the locking member 74 and the locked member 57, The engagement is released when the connecting member 60 is connected to the anchor member 103 of the vehicle.

Description

Child Seat {Child Seat}

The present invention relates to a child seat provided on a vehicle seat.

Background Art [0002] As a child seat used when an infant is to be placed in a passenger car or the like, a child seat of an ISOFIX type manufactured in conformity with the ISOFIX or ISO-FIX (ISOFIX) standard is known (Patent Document 1).

The child seat disclosed in Patent Document 1 has a base and a pair of arm members disposed on the left and right sides of the base. Each of the arm members has a connecting member (for example, Patent Document 2) for connecting to an anchor member provided on the vehicle seat. On the left and right sides of the base, there are disposed stopper pins projecting in the transverse direction, and a plurality of concave portions arranged in alignment in the front-rear direction are formed in the corresponding arm members. The stopper pin of the base can be engaged with each of the recessed portions of the female member, and the position of the female member in the front-rear direction relative to the base is adjusted by selecting the recessed portion of the female member to be engaged with the stopper pin. That is, when adjusting the projecting amount of the arm member in the front-rear direction relative to the child seat, the arm member must be laterally separated from the base in order to release the engagement between the stopper pin and the recess. Therefore, the amount of protrusion of the arm member can not be adjusted after being connected to the anchor member.

Patent Document 1: JP-A-2007-168581 Patent Document 2: JP-A-2001-26231

In order to adjust the amount of projection of the arm member relative to the child seat, a child seat in which the arm member is arranged so as to be movable in the longitudinal direction is also known. The arm member protrudes toward the rear of the child seat so as to be inserted into the child seat. The child seat has an interlocking mechanism for interlocking or releasing the arm member so that the arm member can be projected to an arbitrary length and fixed. The detaching of the locking mechanism is performed, for example, by the buttons arranged on the left and right sides of the child seat so as to correspond to the left and right arm members.

An example of the locking mechanism is a type that releases the locking of the arm member as long as the button is held down. According to this type of locking mechanism, when the arm member is moved back and forth, it is necessary to continuously press the button.

When the child seat having such a locking mechanism is fixed to the vehicle seat, the arm member is pulled out from the child seat as far as possible while pressing the button of the locking mechanism (step 1). Then, the connecting member at the front end of the arm member is connected to the anchor member of the vehicle seat (step 2). Subsequently, while pushing the buttons of the right and left locking mechanisms simultaneously, the child seat is pressed backward and the arm member is inserted into the child seat, thereby completing the installation of the child seat (step 3).

It is very difficult to press the child seat in the backward direction orthogonal to the pushing direction of the button, although it is necessary to use both hands at the same time in pressing the buttons of the left and right locking mechanisms in the lateral direction.

Another example of the locking mechanism is a type having a latch mechanism that restricts the movement of the arm member in the pulling-out direction and does not regulate the movement in the direction in which the arm member is inserted into the child seat. According to this type of locking mechanism, when pulling out the arm member from the inside of the child seat, it is necessary to press the button continuously, but the arm member can be inserted without pressing the button of the locking mechanism.

When fixing the child seat having such a locking mechanism to the vehicle seat, the arm member is pulled out from the child seat as far as possible while pressing the button of the locking mechanism (step 1). Then, the connecting member at the front end of the arm member is connected to the anchor member of the vehicle seat (step 2). Then, by pushing the child seat backward and pushing the arm member into the child seat, the installation of the child seat is completed (step 3).

In step 3, since the child seat can be pressed with both hands, the installation for the vehicle seat is easier than in the first example.

However, in step 2, if the connecting operation of the connecting member of the arm member to the anchor member of the vehicle seat is not performed properly, the arm member enters the child seat in step 3, There is a possibility that the installation is completed and is neglected.

The present invention provides an ISOFIX type child seat that can be reliably connected to an anchor member of a vehicle seat by a simple operation.

According to one embodiment of the present invention, there is provided a vehicle seat comprising an arm member provided with an engaging member and a member to be locked, and movably arranged in the front-rear direction, a connecting member disposed on the arm member, Wherein movement of the arm member in the longitudinal direction is regulated by the engagement between the engagement member and the to-be-locked member, and the engagement is released when the connection member is connected to the anchor member of the vehicle A child seat is provided.

Further, according to another embodiment of the present invention, the connecting member has a releasing member that moves forward or backward by connection with an anchor member of the vehicle, and by the movement of the releasing member, And wherein the child car seat is moved in a direction in which the engagement with the locking member is released.

According to another embodiment of the present invention, there is further provided a cam member, wherein the releasing member cooperates with the cam member to move the to-be-latched member in a direction in which the engagement with the engaging member is released A child seat is provided.

According to another embodiment of the present invention, there is further provided a second locking member, wherein when the arm member moves backward, it engages with the arm member, and the arm member moves forward The child car seat does not engage with the arm member.

According to another aspect of the present invention, there is provided a child car seat characterized by further comprising an engagement releasing member releasing the engagement between the second locking member and the arm member.

According to another aspect of the present invention, there is provided a child car seat characterized by further comprising an engagement releasing member for releasing the engagement between the engagement member and the to-be-locked member.

According to another embodiment of the present invention, there is further provided a release releasing member releasing the engagement between the second retaining member and the arm member and subsequently releasing the engagement between the retaining member and the retained member A child seat is provided.

According to another aspect of the present invention, there is provided an image forming apparatus, wherein the locking member has an elongated hole, and the lock releasing member cooperates with the long hole to release the locking of the locking member and the locked member, Is delayed relative to release of the engagement between the member and the arm member.

According to another embodiment of the present invention, the lock releasing member is rotatable about an axis in the transverse direction perpendicular to the longitudinal direction, and the lock is released by rotating the lock releasing member. A sheet is provided.

According to the invention described in each claim, it is possible to reliably connect the anchor member of the vehicle seat with a simple operation.

Hereinafter, the present invention will be more fully understood from the accompanying drawings and description of the preferred embodiments of the present invention.

1 is a perspective view schematically showing a child seat.
2 is a perspective view of the lower half of the base of the child seat.
3 is a partially enlarged perspective view of the pedestal of the child seat from above the front.
4 is a perspective view of the arm member and the locking mechanism according to the first embodiment of the present invention.
5 is a vertical sectional perspective view of the arm member and the locking mechanism according to the first embodiment of the present invention.
6 is a perspective view of a connection plate, a cam, and an engaged shaft.
7 is a perspective view of the latch plate and the hooking hook.
8 is a partial longitudinal sectional view showing the operation of the locking mechanism.
9 is another partial longitudinal sectional view showing the operation of the locking mechanism.
10 is another partial longitudinal sectional view showing the operation of the locking mechanism.
11 is another partial longitudinal sectional view showing the operation of the locking mechanism.
12 is another partial longitudinal sectional view showing the operation of the locking mechanism.
13 is a perspective view of an arm member and a locking mechanism according to a second embodiment of the present invention.
Fig. 14 is a vertical sectional perspective view of the arm member and the locking mechanism of Fig. 13. Fig.
15 is a partial longitudinal sectional view showing the operation of the locking mechanism.
16 is another partial vertical cross-sectional view showing the operation of the locking mechanism.
17 is another partial longitudinal sectional view showing the operation of the locking mechanism.
18 is another partial longitudinal sectional view showing the operation of the locking mechanism.
19 is another partial vertical sectional view showing the operation of the locking mechanism.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. Throughout the drawings, corresponding components are denoted by common reference numerals.

1 is a perspective view schematically showing a child seat 1; In the present specification, in the description of each constituent member, the forward direction of the vehicle is referred to as "before" and the opposite side thereof is defined as "after" in a state where the child seat 1 is installed on the vehicle seat. Further, the lateral direction perpendicular to the longitudinal direction is defined in the lateral direction.

The child seat 1 has a child seat body 10 and a support leg 20 detachably attached to the child seat body 10. The child seat body 10 has a pedestal 30 provided on a vehicle seat 100 for example an automobile and a seat body 40 supported on the pedestal 30 so as to be slidable. The seat body 40 including the seating surface and the like is covered with a cushioning cover, which is omitted.

The support leg 20 extends to the bottom surface of the vehicle that supports the seat of the vehicle on which the child seat body 10 is installed and supports the child seat body 10 or the front portion of the pedestal 30 from below . The support leg 20 has a leg portion 21 capable of extending and retracting in the longitudinal direction and a positioning mechanism 22 provided on the leg portion 21 and determining the length of the leg portion 21.

The pedestal (30) is formed by fitting the lower half body (31) and the upper half body (32) formed separately. Further, the pedestal 30 has a pair of bar-shaped arm members 50 arranged on the left and right so as to protrude rearward at the lower portion thereof. The arm member 50 is movable in the longitudinal direction, that is, in the front-rear direction, and can be adjusted to a predetermined length by a locking mechanism described later.

The seat body (40) has an operation mechanism (41) at the front part of the seating surface of the infants and young children. The seat body 40 can be slid onto the pedestal 30 so that the seat body 40 is rotated or reclined relative to the pedestal 30 by operating the operating mechanism 41. [ The seat body 40 has a head plate 42 functioning as a headrest bent right and left forward in order to support the head of the infant sitting in the rear. The head plate 42 may be provided so as to be slidable in the vertical direction with respect to the seat body 40.

Each of the arm members 50 has a connecting member 60 and the connecting member 60 is disposed at the front end or the rear end of the arm member 50 projecting rearward. The connecting member 60 is manufactured in accordance with the ISOFIX standard, and an example is disclosed in, for example, Patent Document 2. Openings 102 are formed in the lower portion of the rear portion 101 of the vehicle seat 100 for fixing the child seat 1 at positions corresponding to the connecting members 60 of the arm members 50, An anchor member 103 is disposed in the opening 102. The anchor member 103 is a rod-shaped member arranged to horizontally move within the opening 102. The connecting member 60 of the arm member 50 is connected to the rod-shaped anchor member 103 of the vehicle seat 100. [

2 is a perspective view of the lower half body 31 of the pedestal 30 of the child seat 1. Fig. A member disposed inside the pedestal 30, for example, a mechanism for rotating or reclining the seat body 40 relative to the pedestal 30 is omitted for the sake of simplicity.

A T-shaped support member 23 into which one end of the leg portion 21 of the support leg 20 is inserted is disposed at the front portion of the bottom surface of the lower half body 31 of the pedestal 30, On the inner left and right sides of the bottom surface of the lower half body 31, the arm member 50 and the locking mechanism 70 are disposed. The locking mechanism (70) has a handle member (71) and a rail member (72). The rail member 72 has the arm member 50 such that the axial direction of the arm member 50, that is, the longitudinal direction and the longitudinal direction of the child sheet 1 become substantially parallel. Therefore, the arm member 50 is movable in the forward and backward directions while being guided by the rail member 72.

Two openings 33 are formed in the front and rear wall surfaces of the lower half body 31 of the pedestal 30, respectively. Therefore, each of the left and right arm members 50 penetrates the pedestal 30 through these openings 33 in the longitudinal direction. Therefore, the front end of the arm member 50 and the rear end of the connecting member 60 are always exposed to the outside of the pedestal 30. It is also possible to fix the arm member 50 to an arbitrary moving position by locking the arm member 50 by the locking mechanism 70, that is, to fix the arm member 50 by protruding rearward at an arbitrary length from the base 30 have. Therefore, the arm member 50 can be inserted into the child seat 1, that is, into the pedestal 30, or can be pulled out of the pedestal 30. Further, each of the arm members 50 is capable of adjusting the amount of protrusion from the pedestal 30, respectively.

3 is a partially enlarged perspective view of the pedestal 30 of the child seat 1 from above the front. 4 is a perspective view of the arm member 50 and the locking mechanism 70 according to the first embodiment of the present invention and FIG. 5 is a perspective view showing the arm member 50 and the locking mechanism 70 according to the first embodiment of the present invention, Fig. The arm member 50 and the locking mechanism 70 shown in Figs. 3 to 5 are disposed on the left side of the child seat 1, and the arm member 50 and the locking mechanism 70 are symmetrical with respect to these. 4 and 5 are views seen from the left side of the child seat 1, so that the left side is the front side of the child seat 1 and the right side is the rear side of the child seat 1. [ On the other hand, the perspective view of FIG. 4 and the vertical sectional view of FIG. 5 show different states of the arm member 50 and the locking mechanism 70.

The arm member 50 includes a female member 51, a female posterior body 52, an operating member 53, a connecting plate 54, a spring 55, a cam 56, And an engaged shaft 57 as a locking member. The female front body 51 and the female post body 52 are hollow rod-shaped members having a rectangular cross-section perpendicular to the longitudinal direction. The arm front body 51 is disposed on the front side with respect to the entire arm member 50 and the arm rear body 52 is connected to the rear end side of the arm front body 51. At the rear end of the arm rear body 52, a connecting member 60 is provided. On the upper surface of the arm rear body 52, locking holes 52a, which are a plurality of through holes, are formed at equal intervals along the longitudinal direction.

The female front body 51 has a support wall 51a extending vertically upward from the upper surface of the rear portion. The support wall 51a constitutes a substantially rectangular opening 51b having a long side in the longitudinal direction of the arm member 50 as viewed from above and the opening 51b communicates with the inside of the female front body 51. [ A cylindrical guide cylinder 51c extending in the vertical direction is formed on the inner wall facing the opening 51b of the support wall 51a located inside the child seat 1. A rectangular opening 51d is formed in the front portion of the outer side surface of the female front body 51. Since the front end of the arm member 50 is always exposed to the outside of the pedestal 30 as described above, the rectangular opening 51d is always exposed to the outside of the pedestal 30.

An approximately rectangular parallelepiped operating member 53 is disposed in the female front body 51 so as to be movable in the longitudinal direction of the arm member 50. A protrusion-shaped operating portion 53a is formed on the outer side surface of the front portion of the operating member 53 and a concave portion 53b is formed on the rear side of the operating portion 53a. The operating portion 53a and the concave portion 53b are exposed to the outside of the arm member 50 through the rectangular opening 51d of the female front body 51 and the operation from the outside of the pedestal 30 It is possible. On the upper surface of the rear portion of the operating member 53, a front end portion of the connecting plate 54 is provided. The operating member 53 is formed with a through hole 53c having a rectangular shape extending in the transverse direction. In the operating member 53, a spring retaining portion 53d protruding forward is formed on the wall surface of the rear portion facing the through hole 53c. A spring 55 is disposed around the spring holding portion 53d. The spring 55 biases the operating member 53 rearward with respect to the arm full body 51 while one end abuts on the spring supporting portion 51e formed on the female front body 51. [

6 is a perspective view of the connection plate 54, the cam 56 and the to-be-engaged shaft 57. Fig. Referring to Fig. 6 together with Fig. 5, the cam 56 is a plate-shaped member having an outer shape of a substantially elliptical shape or a rounded corner. The cam 56 is formed so that the longitudinal direction thereof is substantially parallel to the longitudinal direction of the arm member 50 and that the vertical line of the plane of the flat plate shape and the lateral direction of the arm member 50 are substantially parallel, And is disposed in the female front body 51 in parallel with the side surface of the member 50. [ The cam 56 faces the opening 51b in the female front body 51 and is disposed behind the operating member 53. [ At the front of the cam 56, a projecting cam edge portion 56a extending upward is formed. A through hole 56b is formed in the front portion of the cam 56 in the longitudinal direction, and an elongated hole 56c is formed in the rear portion. A swinging shaft 51f extending in the transverse direction and formed in the female front body 51 is inserted into the through hole 56b of the cam 56. The cam 56 is engaged with the swinging shaft 51f As shown in Fig.

The to-be-interlocked shaft 57 is an L-shaped rod-shaped member viewed from the front or rear in the female front body 51. The L-shaped portion extending in the up-and-down direction is inserted in the guide cylinder 51c of the female front body 51 in the to-be-locked-pin shaft 57, and the L- And is inserted into the elongated hole 56c of the cam 56. As shown in Fig.

The connecting plate 54 is a plate-like member that passes through the inside of the arm rear body 52 and is disposed in parallel with the upper and lower surfaces of the arm member 50. The connecting plate 54 is disposed so as to pass above the cam 56. A cam opening 54a slightly larger than the cam edge portion 56a of the cam 56 is formed in the connection plate 54. [ The cam opening portion 54a is inserted through the cam edge portion 56a from the lower side to the upper side. Furthermore, the connection plate 54 is provided with a notch 54b in a predetermined longitudinal direction so as not to interfere with the operation of the to-be-engaged shaft 57. That is, the to-be-interlocked shaft 57 is disposed in the notch 54b of the connecting plate 54. [

The connecting member 60 has, for example, a known mechanism as described in Patent Document 2. In other words, a receiving portion 61 having a U-shaped vertical section is formed at the front end, that is, the rear end, of the connecting member 60 disposed at the rear end of the arm member 50 so as to open rearward. Therefore, the accommodating portion 61 is configured to receive the rod-shaped anchor member 103 (see Fig. 1) of the vehicle seat 100 extending in the transverse direction into the opening. In the opening of the accommodating portion 61, a connecting portion (not shown) is disposed. The connecting member 60 has a plate-like release plate 62 projecting forward in the arm rear body 52 as a release member. The release plate 62 is disposed horizontally with the upper and lower surfaces of the arm rear body 52.

By inserting the anchor member 103 of the vehicle seat 100 into the receiving portion 61 of the connecting member 60 of the female member 50 when the child seat 1 is mounted on the vehicle seat 100, And the connecting portion of the member 60 is connected so as to surround the anchor member 103. [ When the connecting portion of the connecting member 60 is connected to the anchor member 103, the releasing plate 62 is inserted into the connecting member 60 by a known mechanism, that is, moves backward. The position of the release plate 62 at this time is referred to as a connection position. The connection between the connecting portion of the connecting member 60 and the anchor member 103 is released by pulling the releasing plate 62 from the connecting member 60, that is, by moving it forward. The position of the release plate 62 at this time is referred to as the release position. At the front end of the release plate 62, the rear end of the connection plate 54 is provided. The connecting plate 54 connects between the rear portion of the operating member 53 and the releasing plate 62 of the connecting member 60. [

Since the connecting plate 54 is connected between the rear portion of the operating member 53 and the releasing plate 62 of the connecting member 60 so that the connecting portion of the connecting member 60 is connected to the anchor member 103, The plate 62 moves to the rear connecting position and the operating member 53 also moves rearward through the connecting plate 54. [ When the operating member 53 is moved forward, the release plate 62 also moves to the forward release position via the connection plate 54 and the connection to the anchor member 103 of the connection portion of the connection member 60 Is released. That is, in accordance with the connection and disconnection of the connecting member 60 with respect to the anchor member 103, the connecting plate 54 moves back and forth in the arm member 50. The cam edge portion 56a of the cam 56 inserted into the cam opening 54a moves back and forth in accordance with the back and forth movement of the connecting plate 54. As a result, And oscillates around the coaxial shaft 51f.

Specifically, when the release plate 62 of the connecting member 60 is in the release position, as shown in Fig. 5 and Figs. 8 and 9 described later, the cam 56 oscillates to the upper limit position, And the driven shaft 57 inserted into the hole 56c is pulled upward. At this time, the distal end, that is, the upper end of the to-be-interlocked shaft 57 extends upward beyond the upper end surface of the support wall 51a of the female front body 51. When the releasing plate 62 of the connecting member 60 is in the connecting position, as shown in Figs. 10 and 11, which will be described later, the cam 56 oscillates to the lower limit position, And the inserted clamped shaft 57 is pulled downward. At this time, the distal end, that is, the upper end of the to-be-interlocked shaft 57 is located below the upper surface of the support wall 51a of the female front body 51, but does not fall from the inside of the guide cylinder 51c.

On the other hand, in spite of the pivotal movement of the cam 56 around the pivot shaft 51f of the female front body 51, the through hole into which the driven shaft 57 is inserted is the long hole 56c, (57) can move up and down along the guide cylinder (51c) of the female front body (51).

7 is a perspective view of the latch plate 73 and the locking hook 74. Fig. The locking mechanism 70 has a latch plate 73 and a locking hook 74 which is a locking member in addition to the handle member 71 and the rail member 72. [ 4 and 7, the handle member 71 includes a circular handle portion 71a disposed on the side surface of the pedestal 30 in parallel with the side surface of the arm member 50, and a handle portion 71a A rotary shaft 71c extending inward transversely from the center of the handle portion 71a and a rotary shaft 71c extending from a position spaced away from the center of the handle portion 71a And a rod-shaped operating rod 71d communicating with the inside in the transverse direction. The handle member 71 functions as an engagement releasing member.

The tip end of the rotating shaft 71c of the handle member 71 is rotatably provided with respect to the rail member 72. [ Therefore, it is possible to rotate the handle member 71 around the rotation shaft 71c by holding the finger on the support projection 71b. The rotating shaft 71c of the handle member 71 is disposed so as to pass above the arm rear body 52. [ The rail member 72 is provided with a guide member 72a for preventing the arm member 50 from accidentally falling off. The movement of the arm member 50 in the anteroposterior direction is regulated by abutting the regulating portion 51g (Fig. 3) protruding inward from the inner surface of the female front body 51 against the rail member 72. [

The latch plate 73 is a flat plate-like member arranged above the arm rear body 52 and in parallel with the side surface of the arm member 50. The latch plate 73 functions as a second latching member. At the lower portion of the latch plate 73, two projecting latching corner portions 73a and latching edge portions 73b extending obliquely downward toward the front are formed in a back-and-forth direction. The latch edge portion 73a disposed on the front side is formed larger than the latch edge portion 73b disposed on the rear side. The two latching corner portions 73a and the latching edge portions 73b are spaced apart from each other in the same interval as the adjacent locking holes 52a of the arm rear body 52 and can be simultaneously inserted into the locking holes 52a . A through hole 73c is formed in the vicinity of the rear periphery of the latch plate 73, and a through hole 73d is formed in front of the through hole 73c.

On the other hand, from the viewpoint of strength, two latch corner portions 73a and a latch corner portion 73b are formed, but any one of them, for example, only the latch corner portion 73a disposed at the front may be provided.

The hooking hook 74 has a hook body 74a formed of two flat plate-shaped members arranged in parallel so as to sandwich the latch plate 73 therebetween. A cylindrical boss portion 74b protruding outward perpendicularly to the surface of the hook main body 74a and forming a through hole in the lateral direction is formed in the vicinity of the rear periphery of the hook main body 74a. Each of the two flat plate-like members of the hook main body 74a is provided with an elongated hole 74c along an arc centered on the central axial line of the cylindrical boss 74b. A hook arm 74d protruding forward is formed in the front portion of the hook main body 74a and a tubular hook portion 74e extending in the vertical direction is formed at the front end thereof.

The rotation shaft 71c of the handle member 71 is inserted into the through hole 73c of the latch plate 73 and the boss 74b which is the through hole of the lock hook 74 and the through hole 73c of the latch plate 73 from the outside of the lock hook 74 Respectively. An operation rod 71d of the handle member 71 is inserted into the through hole 73d in the front of the latch plate 73 and the elongated hole 74c of the hook body 74a from the outside of the engaging hook 74 Respectively. As a result, the handle member 71 and the latch plate 73 are connected to the hooking hook 74, and the latching plate 73 and the hooking hook 74 are pivoted about the rotational axis 71c of the handle member 71 And is rotatable. The latch plate 73 is biased in the direction toward the arm second body 52 by a torsion spring (not shown) disposed around the rotational axis 71c of the handle member 71. [ The handle member 71 and the hooking hook 74 connected by the actuating rod 71d are also moved in the same direction, that is, around the rotation axis 71c of the handle member 71 in Fig. In the counterclockwise direction.

Since the engaging hook 74 is connected to the operating rod 71d of the handle member 71 by penetrating the elongated hole 74c, the engaging hook 74 is engaged with the handle member 71 71, the hooking hook 74 does not rotate immediately. That is, the operating rod 71d of the handle member 71 moves within the range of the long hole 74c of the locking hook 74 until the rotation of the handle member 71 exceeds the predetermined rotation angle. When the operation rod 71d of the handle member 71 is connected to the other end of the long hole 74c of the hooking hook 74, that is, when the rotation of the handle member 71 exceeds a predetermined rotation angle, Also rotates in accordance with the rotation. On the other hand, the latch plate 73 always rotates in accordance with the rotation of the handle member 71.

The female front body 51, the operating member 53, the handle member 71 and the hooking hook 74 are formed by integrally molding hard plastic, for example, polypropylene, but not limited thereto . The cam member 56 and the to-be-engaged shaft 57 are connected to each other via the connecting member 54 and the connecting member 54. The connecting member 54, the spring 55, the cam 56, And the latch plate 73 are formed of a metal such as carbon steel, but are not limited thereto.

9 is a partial vertical sectional view showing the operation of the locking mechanism 70. Fig. 10 is a partial longitudinal sectional view showing the operation of the locking mechanism 70. Fig. 11 is another partial longitudinal sectional view showing the operation of the locking mechanism 70 and Fig. 12 is another partial longitudinal sectional view showing the operation of the locking mechanism 70. As shown in Fig.

A method of fixing the child car seat 1 to the vehicle seat 100 will be described with reference to Figs. 8 to 12 in this embodiment. Fig. 5, when the arm member 50 is inserted into the pedestal 30, the latch plate 73 is moved to the position where the latch plate 73 is not engaged with the arm member 50, as shown in Fig. 8, The arm member 50 is pulled out from the pedestal 30 as much as possible while the handle member 71 is rotated in the direction in which the arm member 73 separates from the arm rear body 52. At this time, the engaging hook 74 also rotates the handle member 71 so as to exceed the above-mentioned predetermined rotation angle against the biasing force of the torsion spring. 9, when the arm member 50 is pulled out from the pedestal 30 as much as possible and then the rotation of the handle member 71 is returned to its original position, the cylindrical hook portion 74e of the hooking hook 74, Is placed on the upper end surface of the support wall 51a of the female front body 51 so as to surround the to-be-engaged shaft 57.

At this time, the latch edge portion 73a and the latch edge portion 73b of the latch plate 73 are respectively inserted into the adjacent locking holes 52a of the arm rear body 52. [ Therefore, the movement in the direction of withdrawing the arm member 50 from the pedestal 30, that is, the movement of the arm member 50 backward is restricted. More specifically, when the arm member 50 is moved backward, the front end of the latching hole 52a corresponding to the front side inclined toward the upper side of the latching corner portion 73a and the latching corner portion 73b It is deeper than the end edge. Therefore, even if the arm member 50 is pulled out from the pedestal 30, the latch corner portion 73a, the latch edge portion 73b, and the locking hole 52a of the arm rear body 52 are engaged with each other, The movement of the member 50 to the rear side is restricted.

Since the latch corner portion 73a and the latch corner portion 73b of the latch plate 73 extend obliquely downward toward the front side, the movement in the direction in which the arm member 50 is inserted into the pedestal 30, That is, the forward movement of the arm member 50 is not regulated by the latch plate 73. That is, even if each of the two latching corner portions 73a and 73b is inserted into the locking hole 52a of the arm rear body 52, due to the forward movement of the arm member 50, The latch plate 73 rotates only slightly in the direction away from the arm rear body 52. [ As a result, each of the latching corner portion 73a and the latching edge portion 73b is pushed out of the locking hole 52a of the arm rear body 52.

Specifically, the rear surface of the arm member 50, which is inclined toward the lower side of the latching corner portion 73a and the latching corner portion 73b, and the rear end edge of the corresponding locking hole 52a, Move it forward. The torque causes a torque around the rotation axis 71c of the handle member 71 to rotate the latch plate 73 in the direction away from the arm rear body 52 with respect to the biasing force of the torsion spring. Therefore, when the female member 50 is inserted into the pedestal 30, the latch corner portion 73a, the latch corner portion 73b, and the engagement hole 52a of the female posterior body 52 are not engaged with each other, The movement of the arm member 50 forward by the latch plate 73 is not regulated. On the other hand, when the arm member 50 is moved forward, the latch plate 73 rotates slightly in the direction away from the arm rear body 52, and because of the long hole 74c of the locking hook 74, 74 do not rotate.

9, in order to connect the connecting member 60 at the front end of the arm member 50 to the anchor member 103 of the vehicle seat 100, the child seat 1 is moved toward the anchor member 103 Click. At this time, a force is applied to the arm member 50 in the direction of being inserted into the pedestal 30, that is, the direction toward the front, by the reaction force from the anchor member 103. As described above, the latch plate 73 and the arm member 50 do not engage with each other in the direction in which the arm member 50 is inserted into the pedestal 30. 9, when the to-be-engaged shaft 57 abuts within the tubular hook portion 74e of the engaging hook 74, that is, the to-be-engaged shaft 57 is engaged with the engaging hook 74, The movement of the arm member 50 in the direction in which the arm member 50 is inserted into the pedestal 30 is regulated.

When the connecting member 60 at the front end of the arm member 50 is completely connected to the anchor member 130 of the vehicle seat 100, the releasing plate 62 moves to the rear connecting position as described above. The driven shaft 57 is pulled down through the connecting plate 54 and the cam 56 connected to the unlocking plate 62 by the backward movement of the unlocking plate 62, Likewise, the engagement between the driven-object shaft 57 and the engaging hook 74 is released. In other words, the release plate 62 cooperates with the cam 56 to move the to-be-kept gear shaft 57 in the direction in which the engagement with the engagement hook 74 is released. As described above, since the latch plate 73 does not regulate the forward movement of the arm member 50, the arm member 50 can be inserted into the pedestal 30 (Fig. 11). Finally, the projecting amount of the arm member 50 from the pedestal 30 is appropriately adjusted (Fig. 12), and the installation of the child seat 1 on the vehicle seat 100 is completed.

In order to remove the child seat 1 from the vehicle seat 100, a finger is inserted into the concave portion 53d of the operating member 53 through the rectangular opening 51d of the female front body 51, 53a. The release plate 62 is also moved to the front release position via the connection plate 54 connected to the operating member 53 by the forward movement of the operating member 53, The connection to the anchor member 103 is released.

9, the locking member 60 is not connected to the anchor member 103, but the locking member 60 is not connected to the anchor member 103 after locking the to-be-engaged shaft 57 on the locking hook 74. [ In the case of being inserted into the pedestal 30, the handle member 71 may be rotated beyond a predetermined rotation angle. That is, by rotating the handle member 71 beyond the predetermined rotation angle, the hooking hook 74 can be rotated and the engagement with the clamped shaft 57 can be released. Therefore, when the handle member 71 is rotated, the engagement between the latch plate 73 and the arm rear body 52 is released first, and then the latch plate 73 is rotated again, do. That is, the handle member 71 cooperates with the elongated hole 74c of the engaging hook 74 so that the engagement release of the engaging hook 74 and the engaged shaft 57 is released by the latch plate 73 and the arm rear body 52 Is delayed as compared with the release of the lock with the lock release mechanism.

The arm member 50 is inserted into the pedestal 30 until the connecting member 60 at the front end of the arm member 50 is completely connected to the anchor member 103 of the vehicle seat 100 The child seat 1 can be securely installed. In other words, since the arm member 50 is not inserted into the pedestal 30 before the connection between the connecting member 60 and the anchor member 103 is completed, there is a risk that the installation is mistaken for completion none. After each of the arm members 50 is pulled out from the pedestal 30 as much as possible by rotating the handle member 71, each of the connecting portions of the connecting member 60 is aligned with the anchor member 103, 1, the child seat 1 can be installed very simply. The release of the engagement between the engagement hook 74 and the to-be-engaged shaft 57 and the release of the engagement between the latch plate 73 and the engagement hole 52a of the female post- Since it only rotates, intuitive operation is possible. Moreover, the locking mechanism 70 for locking the arm member 50 is very compact as a whole since the locking mechanism 70 is concentrated in the vicinity of the arm member 50.

Fig. 13 is a perspective view of an arm member 150 and a locking mechanism 170 according to a second embodiment of the present invention. Fig. 14 is a vertical cross-sectional view of the arm member 150 and the locking mechanism 170 of Fig. The arm member 150 and the locking mechanism 170 shown in Figs. 13 and 14 are disposed on the left side of the child seat 1 and include an arm member 150 and a locking mechanism (not shown) disposed on the right side of the child seat 1 170 are symmetrical with respect to these. 13 and 14 are views seen from the left side of the child seat 1, and therefore, the left side is the front side of the child seat 1 and the right side is the rear side of the child seat 1. On the other hand, the vertical cross-sectional perspective view shown in Fig. 13 shows the same state although the cross-sectional perspective view shown in Fig. 14 is different from the cross-sectional view shown in Fig.

The arm member 150 and the locking mechanism 170 according to the second embodiment of the present invention are provided with the arm member 50 and the locking mechanism 70 according to the first embodiment of the present invention, It is possible to mount it on the vehicle.

The arm member 150 includes an arm body 151, a rear arm body 152, an operating member 153, a connecting plate 154, a spring 155, a cam 156 as an engaging member, Lt; / RTI > The female front body 151 and the female posterior body 152 are rectangular rod-like members having a rectangular cross-section perpendicular to the longitudinal direction. The female front body 151 is disposed on the front side with respect to the entire arm member 150 and the female posterior body 152 is connected to the rear end of the female front body 151. At the rear end of the arm rear body 152, the above-described connecting member 60 is provided.

The female front body 151 has a support wall 151a extending vertically upward from the upper surface of the rear portion. The support wall 151a is arranged so as to be orthogonal to the side face of the female front body 151. [ A rectangular opening 151d is formed in the front portion of the outer side surface of the female front body 151. [ Since the front end of the arm member 150 is always exposed to the outside of the pedestal 30, the rectangular opening 151d is always exposed to the outside of the pedestal 30.

An approximately rectangular parallelepiped operating member 153 is disposed in the female front body 151 so as to be movable in the longitudinal direction of the arm member 150. A protruding operation portion 153a is formed on the outer side surface of the front portion of the operation member 153 and a recess 153b is formed on the rear side of the operation portion 153a. The operating portion 153a and the recess 153b are exposed to the outside of the arm member 150 through the rectangular opening 151d of the female front body 151 and can be operated from the outside of the pedestal 30 . A front end portion of the connecting plate 154 is provided on the upper surface of the rear portion of the operating member 153. [ The operating member 153 is formed with a rectangular through-hole 153c extending in the transverse direction. In the operating member 153, a spring holding portion 153d protruding forward is formed on the wall surface of the rear portion facing the through hole 153c. A spring 155 is disposed around the spring holding portion 153d. The spring 155 biases the operating member 153 rearward with respect to the arm full body 151 while one end abuts on the spring supporting portion 151e formed on the female front body 151. [

The cam 156 is a plate-shaped member having an approximately elliptical shape or an outer shape of a rectangle having rounded corners. The cam 156 is disposed in a space formed in the rear portion of the operating member 153 in parallel with the side surface of the arm member 150. [ A cam-shaped corner portion 156a extending obliquely upward toward the front is formed in the front portion of the cam 156. A through hole 156b is formed in a rear portion of the cam 156 in the longitudinal direction. A swinging shaft 151f extending transversely of the inside of the operating member 153 is inserted into the through hole 156b of the cam 156 so that the cam 156 can swing around the swinging shaft 151f have. The cam 156 is biased upward by a torsion spring (not shown) disposed around the pivot 151f.

On the upper surface of the arm rear body 152, locking holes 152a, which are a plurality of through holes, are formed at regular intervals along the longitudinal direction. A cam opening 152b extending in the longitudinal direction is formed at a position corresponding to the cam edge portion 156a of the cam 156 on the upper surface of the arm rear body 152 in front of the engagement hole 152a . The cam edge portion 156a of the cam 156 protrudes through the cam opening 152b. The cam edge portion 156a of the protruded cam 156 has the engaged surface 156c engaged with the hooking hook 174 at the tip end, that is, the front end thereof, as described later.

The connection plate 154 is a plate-shaped member that passes through the inside of the arm rear body 152 and is disposed in parallel with the upper and lower surfaces of the arm member 150. The connecting plate 154 connects between the rear portion of the operating member 153 and the releasing plate 62 of the connecting member 60. The connecting plate 154 moves back and forth in the arm member 150 in accordance with the connection and disconnection of the connecting member 60 to the anchor member 103 as described above. The cam edge portion 156a of the cam 156 provided on the operating member 153 moves up and down within the cam opening 152b in accordance with the back and forth movement of the connection plate 154. [ As a result, the cam 156 rocks about the pivot 151f.

More specifically, when the release plate 62 of the connecting member 60 is in the release position, as shown in Figs. 14 and 15 and 16 described later, the cam 156 is moved to the upper limit position by the torsion spring And the cam edge portion 156a protrudes outward from the cam opening 152b of the arm rear body 152. [ When the release plate 62 of the connecting member 60 is moved to the rear connecting position by the connection of the connecting member 60 to the anchor member 103, the upper portion of the cam edge portion 156a of the cam 156 And the rear edge of the cam opening 152b of the rear arm body 152 abuts against the cam 156 to pivot the cam 156 downward against the biasing force of the torsion spring. A torque around the coaxial line 151f is generated. 17 and 18, which will be described later, when the release plate 62 of the connecting member 60 is in the connecting position, the cam 156 swings to the lower limit position, and the cam edge portion 156a, Is disposed in the cam opening 152b of the arm rear body 152. [

In addition to the handle member 171 and the rail member 172, the latching mechanism 170 has a latch plate 173, a latching hook 174 as a latching member, and an operating rod 175. The handle member 171 includes a circular handle portion 171a disposed on the side surface of the pedestal 30 in parallel with the side surface of the arm member 150 and a handle portion 171a projecting outward from the outer surface of the handle portion 171a And has a projection 171b and a rotation axis 171c extending inward in the transverse direction from the center of the handle portion 171a. The handle member 171 functions as an engagement releasing member.

The distal end of the rotary shaft 171c of the handle member 171 is provided so as to be rotatable with respect to the rail member 172. [ Therefore, it is possible to rotate the handle member 171 around the rotary shaft 171c while holding a finger on the support projection 171b. The rotating shaft 171c of the handle member 171 is disposed so as to pass above the arm rear body 152. [ The rail member 172 is provided with a guide member 172a for preventing the arm member 150 from accidentally falling off. The movement of the arm member 150 in the front-rear direction is regulated by abutting the restricting portion (not shown) protruding inward from the inner surface of the female front body 151 against the rail member 172, as described above.

The latch plate 173 is a plate-like member which is disposed in parallel with the side surface of the arm member 150 at the upper side of the arm rear body 152 and bent at an obtuse angle so as to open upward. The ratchet plate 173 functions as a second locking member. The latch plate 173 is rotatably provided around the rotation axis 171c by passing the bent portion through the rotation axis 171c of the handle member 171. [ The latch plate 173 is connected to the handle member 171. When the handle member 171 is rotated by the rotary shaft 171c, the latch plate 173 rotates similarly. The latch plate 173 is urged in a direction toward the rear arm body 152 by a torsion spring (not shown).

At one end disposed forward of the bent portion of the latch plate 173, there is formed a projection-like latching edge portion 173a extending obliquely downward toward the front. The latch corner portion 173a can be inserted into the locking hole 152a. One end of the actuating rod 175 is rotatably connected to the other end of the latch plate 173 disposed at the upper rear side with respect to the bent portion. The other end of the operating rod 175 is connected to the hooking hook 174.

The relationship between the latch edge portion 173a of the latch plate 173 and the engagement hole 152a of the arm rear body 152 in this embodiment is the same as that of the latch plate 73 of the first embodiment Is the same as the relationship between the latch corner portion 73a and the latch edge portion 73b and the engagement hole 52a of the arm rear body 52. [ The movement in the direction in which the arm member 150 is pulled out from the pedestal 30 is not restricted by the movement of the latch plate 150 in the direction of pulling the arm member 150 into the pedestal 30, 173 and the locking hole 152a of the rear arm body 152. [0156] As shown in Fig.

The operation rod 175 is a rod-shaped member whose both ends are bent at right angles in the same direction. One end of the actuating rod 175 is connected to the end of the latch plate 173 and the other end of the actuating rod 175 is connected to the locking hook 174, as described above.

The hooking hook 174 is a thick flat plate-like member having a substantially elliptical shape or a vertical cross-sectional shape with rounded corners. The locking hook 174 is disposed above the arm member 150 and the front side of the outer side surface is provided in the rail member 172 by passing through the pin member 176 extending in the transverse direction. Therefore, the hooking hook 174 is swingable about the pin member 176. [ A restricting portion 174a extending in the transverse direction is formed on the upper portion of the locking hook 174. [ Further, at the front end, that is, the rear end, the locking hook 174 has a locking surface 174b engaging with the cam 156, as described later. Further, in the locking hook 174, an elongated hole 174c extending in the transverse direction and extending in the longitudinal direction is formed. In the long hole 174c, the end of the operating rod 175 is inserted.

The locking hook 174 is urged in a downward direction, that is, in a direction toward the arm member 150, by a torsion spring (not shown). A pair of regulating protrusions 172b protruding upward is formed in the rail member 172 near the portion where the pin member 176 is installed. The locking portion 174a of the locking hook 174 is engaged with the locking protrusion 172b of the rail member 172 so that the locking hook 174 is restricted from swinging in the downward direction around the pin member 176. [ Therefore, even when the locking hook 174 is at the lower limit position of the swinging, the locking hook 174 does not come into contact with the arm member 150.

Since the engaging hook 174 is connected to the latch plate 173 and the handle member 171 through the actuating rod 175 inserted in the elongated hole 174c, Even if the handle member 171 is rotated against the force, the hooking hook 174 does not swing slightly upward. That is, when the handle member 171 is rotated, the latch plate 173 rotates, and the operating rod 175 connected to the latch plate 173 moves horizontally or backward. By the rearward movement of the operating rod 175, the other end of the operating rod 175 moves in the long hole 174c of the locking hook 174. Movement of the actuating rod 175 in the elongated hole 174c causes a torque around the pin member 176 and the locking hook 174 oscillates upward against the biasing force of the torsion spring. On the other hand, the latch plate 173 always rotates in accordance with the rotation of the handle member 171. Therefore, when the arm member 150 is moved forward, the latch plate 173 rotates only slightly in the direction away from the arm rear body 152, and the locking hook 174 hardly rotates.

On the other hand, when the latch plate 173 is rotated against the biasing force of the torsion spring by rotating the handle member 171, the engagement between the latch edge portion 173a and the locking hole 152a of the arm rear body 152 And the arm member 150 can be pulled out from the pedestal 30.

The arm female body 151, the operating member 153, the handle member 171 and the hooking hook 174 are formed by integrally molding hard plastic such as polypropylene, but are not limited thereto . The arm rear body 152, the connecting plate 154, the spring 155, the cam 156, the rail member 172, the latch plate 173, and the operating rod 175, Carbon steel, and the like, but is not limited thereto.

15 is a partial vertical sectional view showing the operation of the locking mechanism 170. Fig. 16 is another partial vertical cross-sectional view showing the operation of the locking mechanism 170. Fig. FIG. 18 is another partial vertical sectional view showing the operation of the locking mechanism 170, and FIG. 19 is another partial vertical sectional view showing the operation of the locking mechanism 170. As shown in FIG.

A method of fixing the child car seat 1 to the vehicle seat 100 will be described with reference to Figs. 15 to 19 in this embodiment. Fig. 15, when the arm member 150 is inserted into the pedestal 30, the latch plate 173 is moved in the second half of the arm so that the latch plate 173 does not engage with the arm member 150, The arm member 150 is pulled out from the pedestal 30 as much as possible while rotating the handle member 171 in the direction away from the body 152. [ 16, when the arm member 150 is pulled out from the pedestal 30 as much as possible and then the rotation of the handle member 171 is returned to its original position, the cam edge portion 156a of the cam 156 is moved Protrudes from the cam opening (152b) of the body (152). As a result, the engaging surface 156c of the cam 156 and the engaging surface 174b of the engaging hook 174 are opposed to each other.

16, in order to connect the connecting member 60 at the front end of the arm member 150 to the anchor member 103 of the vehicle seat 100, the child seat 1 is connected to the anchor member 103 Press against. At this time, a force acts on the arm member 150 in the direction in which the arm member 150 is inserted into the pedestal 30, that is, in the forward direction, by the reaction force from the anchor member 103. As described above, the latch plate 173 and the arm member 150 are not engaged with each other in the direction in which the arm member 150 is inserted into the pedestal 30. 16, when the engaged surface 156c of the cam 156 abuts against the engagement surface 174b of the engagement hook 174, that is, when the cam 156 engages with the engagement hook 174 The movement of the arm member 150 into the pedestal 30 is regulated.

When the connecting member 60 at the front end of the arm member 150 is completely connected to the anchor member 103 of the vehicle seat 100, the releasing plate 62 moves to the rear connecting position as described above. The cam 156 is pivoted downward about the pivot 151f by the movement of the release plate 62 toward the rear side so that the engagement between the cam 156 and the hooking hook 174 Is released. In other words, the release plate 62 cooperates with the cam 156 to move the cam 156 in the direction in which the engagement with the engagement hook 174 is released. As described above, since the latch plate 173 does not regulate the forward movement of the arm member 150, the arm member 150 can be inserted into the pedestal 30 (Fig. 18). Finally, The projecting amount of the arm member 150 from the pedestal 30 is appropriately adjusted (Fig. 19), and the installation of the child seat 1 on the vehicle seat 100 is completed.

In order to remove the child seat 1 from the vehicle seat 100, a finger is put into the concave portion 153b of the operating member 153 through the rectangular opening 151d of the female front body 151, 153a. The release plate 62 is also moved to the forward release position via the connection plate 154 connected to the operating member 153 by the forward movement of the operating member 153, The connection to the anchor member 103 is released.

16, after the cam 156 is engaged with the hooking hook 74, the connecting member 60 is not connected to the anchor member 103, but the arm member 150 is connected to the base (not shown) 30, the handle member 171 may be rotated. That is, by rotating the handle member 171, the locking hook 174 can be rotated, and the engagement with the cam 156 can be released. Therefore, when the handle member 171 is rotated, the engagement between the latch plate 173 and the arm rear body 152 is released first, and when the handle member 171 is further rotated, the engagement between the engagement hook 174 and the cam 156 is released . That is, the handle member 171 cooperates with the elongated hole 174c of the locking hook 174 so that the engagement release of the locking hook 174 and the cam 156 is released by the latch plate 173 and the arm rear body 152 Is delayed as compared with the release of the lock with the lock release mechanism.

The arm member 150 is inserted into the pedestal 30 until the connecting member 60 at the front end of the arm member 150 is completely connected to the anchor member 103 of the vehicle seat 100 The child seat 1 can be securely installed. In other words, since the arm member 150 is not inserted into the pedestal 30 before the connection between the connecting member 60 and the anchor member 103 is completed, there is no risk of erroneous installation and misuse none. After each of the arm members 150 is pulled out from the pedestal 30 as much as possible by rotating the handle member 171, each of the connecting portions of the connecting member 60 is aligned with the anchor member 103, 1, the child seat 1 can be installed very simply. The release of the engagement between the engagement hook 174 and the cam 156 and the engagement of the latch plate 173 with the engagement hole 152a of the female posterior body 152 both rotate the handle member 171 So that intuitive operation is possible. Furthermore, since the locking mechanism 170 for locking the arm member 150 is concentrated in the vicinity of the arm member 150, it is very compact as a whole.

In the child seat according to the above-described two embodiments, the seat body 40 can slide on the pedestal 30, but the seat body 40 need not be slidable on the pedestal 30, 30 and the seat body 40 may be integrally formed. Furthermore, the seat body and the pedestal may be detachable.

According to the present invention, there is provided an image forming apparatus comprising: an arm member provided with a locking member and a member to be locked, and arranged so as to be movable in the longitudinal direction; and a connecting member disposed on the arm member and connectable to the anchor member, The movement in the forward and backward direction is restricted by the engagement between the locking member and the to-be-locked member, and the locking is released when the connecting member is connected to the anchor member of the vehicle.

Further, according to the present invention, there is provided a releasing member which moves rearward by a connection between a connecting member and an anchor member of a vehicle, and the releasing member is moved backward to release the engagement with the retaining member Direction. On the other hand, the releasing member may be configured to move forward by the connection with the anchor member of the vehicle.

While the present invention has been described in detail with reference to specific embodiments thereof, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the present invention.

1: Child seat
10: Child seat body
20: Support leg
30: Stand
40: Seat body
50: arm member
57: Stirring shaft
60: connecting member
70:
74: hooking hook
103: anchor member

Claims (9)

A locking member,
An arm member provided with a to-be-locked member and movably arranged in the front-rear direction,
And a connecting member disposed on the arm member and connectable to the anchor member of the vehicle,
The movement of the arm member in the longitudinal direction is restricted by the engagement between the engagement member and the engagement member,
Wherein the locking member is released when the connecting member is connected to the anchor member of the vehicle. The method according to claim 1,
Wherein the connecting member has a releasing member that moves forward or backward by a connection with an anchor member of the vehicle, and by the movement of the releasing member, the engaging member to be engaged with the engaging member is released in a direction Wherein the child car seat moves. 3. The method of claim 2,
Further comprising a cam member, wherein the releasing member cooperates with the cam member to move the locked member in a direction in which the engagement with the locking member is released. 4. The method according to any one of claims 1 to 3,
And the second locking member is configured to engage with the arm member when the arm member moves backward and to not engage with the arm member when the arm member moves forward Child seat. 5. The method of claim 4,
Further comprising an engagement releasing member for releasing engagement between the second engagement member and the arm member. 6. The method according to any one of claims 1 to 5,
Further comprising an engagement releasing member for releasing the engagement between said engagement member and said to-be-interlocked member. 5. The method of claim 4,
Further comprising an engagement release member releasing the engagement between said second engagement member and said arm member and subsequently releasing the engagement between said engagement member and said engagement member. 8. The method of claim 7,
Wherein the locking member has an elongated hole and the lock releasing member cooperates with the elongated hole to release the locking of the locking member and the locked member from the releasing of the locking between the second locking member and the arm member Wherein the delaying unit delays the delay time. 9. The method according to any one of claims 5 to 8,
Wherein the lock releasing member is rotatable about an axis in the transverse direction perpendicular to the front and rear direction, and the lock is released by rotating the lock releasing member.

Images