JP2007237815A - Installation structure of seat body, reclining mechanism and shopping cart - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an installation structure of a seat body capable of facilitating installation thereof on a seat support frame, a reclining mechanism for adjusting a tilt angle of the seat body by facilitating rotation thereof, and a shopping cart including the installation structure and the reclining mechanism. <P>SOLUTION: A rotating axial member 320 is arranged at a lower end of a back face of an accommodating part 311 and each rotating bearing member 330 is fitted at both ends of the rotating axial member 320. The rotating bearing members 330 are mounted onto a seat supporting frame 120. Hooks 340A of a reclining rod 340 are individually engaged with grooves 333 in the rotating bearing members 330, with coil springs 420 interposed therebetween individually, so that the reclining rod 340 comes into contact with the back face of the accommodating part 311, thereby maintaining the tilt angle. The hooks 340A are disengaged from the grooves 333 through operation wires 400 by an operation lever 390, thereby adjusting a tilt of the accommodating part 311. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention provides a seat body mounting structure capable of easily mounting a seat body having a seat portion and a backrest portion to a seat support frame, and an angle of the seat body by rotating the seat body attached to the seat support frame. The present invention relates to a reclining mechanism that can easily adjust the height and a shopping cart including a child seat to which the mounting structure and the reclining mechanism are applied.

  Shopping carts are prepared at the entrance of the shopping center to make it convenient for customers. Some shopping carts have child seats for infants to sit on.

  Conventionally, the child seat has been fixed in the awake state and has not been able to cope with an infant whose neck is not sitting. Even if the shopping cart is provided with a reclining mechanism so that the child seat can be put to the sleeping state, it is necessary to raise the child seat one by one in order to perform so-called nesting in which a large number of shopping carts are accumulated.

  Therefore, the present applicant has a child seat provided with a reclining mechanism that pivots in the front-rear direction and a lock mechanism that locks the state of the child seat, and when nesting a plurality of shopping carts, the front portion of the child seat of the rear shopping cart is By contacting the seat of the front shopping cart, a forward force is applied to the seat to automatically raise the child seat (Patent Document 1).

Incidentally, the reclining mechanism disclosed in Patent Document 1 is roughly as follows. As shown in FIG. 1 and FIG. 2 of Patent Document 1, support columns are provided upward from the left and right side portions of the frame of the carriage, and a pair of sheet support members project forward from the support columns. A seat is rotatably provided on a rotation shaft at the front end portion of the support member, and an end portion of the reclining rod is rotatably provided at a rear end portion of the sheet support member. The reclining rod is bent into a “U” shape, and both left and right end portions thereof are rotatably provided on the seat support member. Long holes are provided in the vertical direction on both sides of the backrest portion of the reclining seat, and penetrate the reclining rod. A reclining lock is disposed behind the elongated hole, and the reclining rod is engaged with any one of a plurality of engaging projections of the reclining lock biased by a spring, so that the reclining rod is locked and the reclining seat is held. The Further, a lever mechanism for forcibly releasing the reclining rod from the long hole is provided, and the inclination of the reclining seat can be changed.
JP 2000-219138 A

  However, in the reclining mechanism disclosed in Patent Document 1, the reclining rod is extended from both ends of the reclining seat and bent downward, and its end is rotatably attached to the rear end of the seat support member. Since the seat is rotatably attached to the front end of the material, the reclining rod is exposed. In addition, a long hole is formed on both sides of the reclining seat, and the reclining rod moves along the long hole, so that the reclining rod swings through the seat support, and the rotating part is exposed and looks good. Is also bad. Furthermore, the reclining mechanism and the lock mechanism associated therewith are complicated, requiring a large number of parts, making the assembly to the carriage complicated and increasing the cost. In addition, there is a problem that it takes time to replace the sheet.

  Therefore, in view of the above problems, the present invention provides a seat body mounting structure in which a seat body including a seat portion and a backrest portion can be easily assembled to a seat support frame, and the seat body can be easily used by using this mounting structure. An object of the present invention is to provide a reclining mechanism for a seat body that can be rotated to adjust an inclination angle of the seat body, and a shopping cart provided with the mounting structure and the reclining mechanism.

To achieve the above object, the seat body mounting structure of the present invention has a seat body with a seat portion and a backrest portion attached to a seat support frame arranged extending in the width direction of the seat body. A shaft member arranged extending in the width direction of the sheet main body at the lower end of the back surface of the sheet main body, a pair of bearing members mounted at both ends of the shaft member, A rod extending in the width direction, the bearing member has a recess at the lower end and a groove at the upper end, has a flange with both ends of the rod being U-shaped, and a bearing The recess of the member is engaged with the seat support frame, the bearing member is placed on the seat support frame, the left and right flanges of the rod are engaged with the groove of the bearing member, and the gap between each flange and the shaft member A rod on the back of the seat body It abuts and supports the seat body.
In the above configuration, the recessed portion of the bearing member is preferably formed by front and rear inclined surfaces inclined obliquely upward and rearward. The rear end portion of the bearing member is preferably in contact with a horizontal member juxtaposed to the seat support frame behind the seat support frame. The seat support frame preferably has brackets at positions adjacent to the pair of bearing members, and each bearing member is fixed to the bracket. A cover is preferably attached to the back side of the seat body.

  With the above configuration, bearing members are attached to both ends of the shaft member disposed at the lower end of the back surface of the seat body, and each bearing member is placed on the seat support frame, so that the seat body is used as the seat support frame. Install. Then, the rod is arranged on the back surface of the seat body so as to be juxtaposed with the shaft member, the flanges formed at both ends of the rod are engaged with the groove portions of the bearing member, the rod is brought into contact with the seat body, and the seat body is inclined. To maintain. Since the components for attaching the seat body to the seat support frame are the shaft member, the pair of bearing members, and the elastic body, the number of components is small, and the seat body can be easily attached to and detached from the seat support frame. Further, the center of gravity of the seat body is adjusted slightly rearward, for example, on the center axis on the left and right sides so as to be at or around the boundary between the seat portion and the backrest portion, and the lower recess portion where the bearing member engages with the seat support frame is formed. When the upper side opens obliquely rearward, the seat body is not easily detached from the seat support frame. Further, since the bearing member is screwed and fixed to the pair of left and right brackets of the seat support frame with bolts and nuts, attachment and removal are easy. Furthermore, by attaching a cover to the back surface of the seat body, all attachment parts such as a shaft member, a bearing member, and an elastic body can be hidden by the cover, and the appearance is also preferable.

A reclining mechanism of the present invention is a mechanism for reclining a seat body by attaching a seat body provided with a seat portion and a backrest portion to a seat support frame arranged extending in the width direction of the seat body. A rotating shaft member arranged to extend in the width direction of the sheet main body at the lower end of the back surface, a pair of rotating bearing members mounted at both ends of the rotating shaft member, and obliquely above and behind the rotating shaft member A reclining rod that extends in the width direction of the seat body, an operating lever that is movably attached to the back of the seat body, and a pair of operating wires that are connected to the operating lever. It has a recessed part in the part and has a plurality of groove parts in front and rear in parallel at the upper end part, has a collar part with both ends of the reclining rod being U-shaped, an operation wire is connected to the collar part, and a rotary bearing Engage the recess of the member with the seat support frame, place the pivot bearing member on the seat support frame, engage the left and right flanges of the reclining rod with the groove of the pivot bearing member, and By interposing an elastic body between the rotating shaft member and the rotating shaft member, the rod is brought into contact with the back surface of the sheet main body to support the sheet main body, while the lever is released from the groove of the rotating bearing member by moving the operation lever. The inclination of the seat body can be changed, and the hook is engaged with another groove of the rotary bearing member and locked by returning the operation lever.
In the above configuration, preferably, the front side wall surface of the frontmost groove portion and the rear side wall of the rearmost groove portion among the plurality of groove portions of the bearing member are higher than the front and rear walls of the other groove portions. A cover can be attached to the back side of the seat body.

  With the above-described configuration, the rotating shaft member is mounted on both ends of the rotating shaft member disposed at the lower end of the back surface of the seat body, and each rotating bearing member is mounted on the seat support frame, thereby the seat body. To the seat support frame. Then, a reclining rod is arranged on the back surface of the seat body so as to be juxtaposed with the rotating shaft member, and the flanges formed on both ends of the reclining rod are engaged with the grooves of the rotating bearing member, and the reclining rod is attached to the seat body. Contact and maintain the inclination of the seat body. Further, by connecting the operation wire to the collar portion of the reclining rod, the collar portion of the reclining rod is released from the groove portion by pulling the operation wire upward with the operation lever, and the inclination of the seat body can be changed. Thus, the necessary components for the reclining mechanism are the rotating shaft member, the pair of rotating bearing members, the elastic body, the operating wire, and the operating lever. Therefore, the reclining mechanism can be realized with a small number of components, Removal is also easy. Further, by adjusting the size of the groove portion of the rotating bearing member, the flange portion of the reclining rod cannot be easily detached. Furthermore, by attaching a cover to the back surface of the seat body, the rotating shaft member, the reclining rod, and the pair of operation wires can be hidden, and the drive part and the rotating portion of the reclining mechanism are located between the seat body and the cover. Arranged so that it is not exposed and looks good.

  The first configuration of the shopping cart of the present invention includes a cart body in which traveling wheels are attached to a base frame, and a seat support frame is erected from the base frame, and a child seat having a seat portion and a backrest portion. And a shaft member disposed to extend in the width direction of the housing portion at the lower end of the back surface of the housing portion of the child seat, a pair of bearing members mounted at both ends of the shaft member, and obliquely upward rearward from the shaft member A rod extending in the width direction of the housing portion at a position, and the bearing member has a recessed portion at the lower end portion and a groove portion at the upper end portion. The bearing member is placed on the seat support frame by engaging the recess of the bearing member with the seat support frame arranged to extend in the width direction of the housing portion, and the left and right flanges of the rod are the bearing members. In the groove Combined and, by interposing an elastic member between each hook and the shaft member, rod abuts against the rear surface of the seat body, formed by supporting a seat body.

A second configuration of the shopping cart of the present invention includes a cart body in which traveling wheels are attached to a base frame, and a seat support frame is erected from the base frame, and a child seat having a seat portion and a backrest portion. A rotating shaft member arranged to extend in the width direction of the housing portion at the lower end of the rear surface of the housing portion of the child seat, a pair of rotating bearing members mounted on both ends of the rotating shaft member, A reclining rod extending in the width direction of the housing portion at a position obliquely upward and rearward from the shaft member, an operation lever movably attached to the back surface of the housing portion, and a pair of operation wires coupled to the operation lever, The rotating bearing member has a dent at the lower end and a groove in the front and rear side in parallel, has a flange with both ends of the reclining rod being U-shaped, and an operation wire at the flange The pivot support member is mounted on the seat support frame by engaging the recess of the bearing member with the seat support frame that is connected and arranged to extend in the width direction of the housing portion, and the left and right flanges of the reclining rod are By engaging the groove portion of the rotation bearing member and interposing an elastic body between each collar portion and the rotation shaft member, the rod is brought into contact with the back surface of the accommodation portion to support the accommodation portion, while the operation lever The hook is opened from the groove of the rotating bearing member by moving the lever so that the inclination of the child seat can be changed, and the hook is engaged with another groove of the rotating bearing member and locked by returning the operation lever. The
In the above-described configuration, the rear side of the child seat body is covered with a back surface, and at least a cover including a rotation shaft member, a reclining rod, and a pair of operation wires is mounted.

  With the above configuration, the child seat can be efficiently attached to the cart body, and a reclining mechanism can be realized. In addition, since the cover is attached to the seat body, it is possible to hide all the attachment parts and the drive unit of the reclining mechanism.

  According to the present invention, the number of parts required for the structure for mounting the seat body to the seat support frame and the structure for mounting the child seat to the cart body can be reduced, and the structure is simple. Also, the reclining mechanism has a simple configuration. Therefore, it is possible to easily attach and remove the seat body to and from the seat support frame, and to reduce the cost of goods such as shopping carts. Also, the seat body can be easily replaced, and the life of the shopping cart can be extended. Mounting structure and reclining mechanism can be built-in, improving appearance and convenience.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 is a front perspective view of a shopping cart 10 according to an embodiment of the present invention, FIG. 2 is a rear perspective view of the shopping cart 10 of FIG. 1, FIG. 3 is a front view of the shopping cart 10 of FIG. 2 is a side view of the shopping cart 10 of FIG. In the drawing, Fr indicates the front of the shopping cart, Up indicates the upper side, and W indicates the lateral width direction of the shopping cart. As shown in these drawings, the shopping cart 10 includes a cart body 100, traveling wheels 200 attached thereto, and a child seat 300 supported by the cart body 100.

  The cart body 100 constituting the shopping cart 10 is configured as a frame in which a plurality of pipes made of steel or the like are bent and joined together by welding. Specifically, the cart body 100 is disposed on the rear side of the base frame 110, a seat support frame 120 that stands from the base frame 110 and mainly supports the child seat 300. In addition, the handle frame 130 is erected from the base frame 110 and is gripped when the user pushes the shopping cart 10.

Details of the frames 110, 120, and 130 will be described below.
The base frame 110 has a pair of linear bars 111R and 111L arranged in parallel so that the distance between the base frames 110 becomes narrower toward the front, and each of these bars 111R and 111L. The first connecting bar 112 extends linearly in the horizontal width direction so as to connect the front ends.

  The base frame 110 may be configured, for example, by bending a single bar-shaped steel material so that the pair of bars 111R and 111L and the first connecting bar 112 are integrated, or the pair of bars 111R, 111L and the 1st connection rod 112 may be manufactured separately, and they may be joined and constituted as one piece. The corner formed by each of the bar members 111R and 111L and the first connecting bar member 112 is curved in an arc shape.

  In the base frame 110, a first installation member 114 is installed on the left and right bar members 111R and 111L at a position close to the rear ends of the left and right bar members 111R and 111L. The first erection member 114 is joined to the left and right bar members 111R and 111L, and rises upwards 114R and 114L, and is connected to the upper ends of the uprights 114R and 114L in a horizontal horizontal direction. 114C extending horizontally. The base frame 110 also spans the inner peripheral surface of the first connecting rod 112 and the first construction member 114, and the inner peripheral surface near the tip of the left and right rods 111R and 111L and the first A plurality of metal bar portions 115 are arranged so as to be hung over the construction material 114.

  The plurality of metal rod portions 115 extend in the front-rear direction substantially parallel to each other, and a plurality of metal rods are arranged in the front-rear direction so that the front end or rear end thereof is connected to the front end or rear end of the adjacent metal rod. It is formed by folding back. In addition, each metal rod portion 115 is inclined so as to gradually increase from the tip to the intermediate portion as it goes rearward, and suddenly tilts upward from the rear end of the gentle portion 115A toward the rear. A step portion 115B and a horizontal portion 115C horizontally extending rearward from the rear end of the step portion 115B are provided, and a load can be placed on these metal rod portions 115. ing. In particular, the horizontal portions 115C of the plurality of metal bar portions 115 function as a pedestal on which a shopping basket (not shown) is placed in cooperation with each other. In order to prevent the shopping basket placed on each horizontal portion 115C from moving backward and falling, the rear end portion of the adjacent metal rod portions 115 connected to each other is inclined obliquely rearward to form a stopper 115S. Has been. The horizontal portion 115C of each metal rod portion 115 is fixed to the first erection material 114 and supported from below. The slanted portion 115A of each metal bar portion 115 is also joined by welding to the second construction member 117 extending linearly in the horizontal width direction, and the rigidity of each metal rod portion 115 is enhanced.

  The lower part of the seat support frame 120 is fixed at a position away from the rear ends of the left and right bars 111R, 111L of the base frame 110 by a distance of about 1/4 of the total length of the bars 111R, 111L. First vertical bars 121R, 121L that stand up, first inclined bars 122R, 122L extending obliquely forward from the upper ends of the first vertical bars 121R, 121L, and first inclined bars 122R, 122L And a second connecting bar 123 extending linearly in the horizontal width direction so as to connect the upper ends of the two. As shown in FIG. 3, the left and right first inclined rods 122R and 122L are gently inclined inward in the width direction so that the distance between the first inclined rods 122R and 122L becomes narrower toward the upper side.

  The seat support frame 120 is formed by, for example, bending a single bar-shaped steel material so that a pair of first vertical bars 121R and 121L, a pair of first inclined bars 122R and 122L, and a second connecting bar 123 are integrated. A pair of first vertical rods 121R, 121L, a pair of first inclined rods 122R, 122L, and a second connecting rod 123 are manufactured separately and integrated as an integrated body. It may be configured. The corners formed by the first vertical bars 121R and 121L and the first inclined bars 122R and 122L and the corners formed by the first inclined bars 122R and 122L and the second connecting bars 123 are also arcuate. It is formed to be curved.

  The handle frame 130 includes second vertical bars 131R and 131L that are attached to the rear ends of the left and right bars 111R and 111L of the base frame 110 and are raised upward, and the second vertical bars 131R and 131L. Second inclined rods 132R, 132L extending obliquely forward from the upper end of the second inclined rods 132R, 132L extending obliquely rearward from the upper ends of the second inclined rods 132R, 132L, and third The third connecting bar 134 extends linearly in the horizontal width direction so as to connect the upper ends of the inclined bars 133R and 133L. As shown in FIG. 3, the left and right second inclined rods 132R and 132L and the third inclined rods 133R and 133L are gently inclined inwardly in the width direction so that the distance between them becomes narrower as it goes upward. is doing.

  The handle frame 130 is also formed by, for example, bending a single bar-shaped steel material to form a pair of second vertical bars 131R, 131L, a pair of second inclined bars 132R, 132L, a pair of third inclined bars 133R, 133L, The three connecting rods 134 may be configured integrally, or a pair of second vertical rods 131R and 131L, a pair of second inclined rods 132R and 132L, and a pair of third inclined rods 133R and 133L. Alternatively, the third connecting bar 134 may be manufactured separately and configured as an integrated unit obtained by joining them.

  In addition, a corner formed by the second vertical bars 131R and 131L and the second inclined bars 132R and 132L, and a second inclined bars 132R and 132L and the third inclined bars 133R and 133L are formed. The corner and the corner formed by the third inclined rods 133R, 133L and the third connecting rod 134 are also curved in an arc shape. Corners formed by the second inclined rods 132R, 132L and the third inclined rods 133R, 133L are formed by the first inclined rods 122R, 122L and the second connecting rod 123 in the seat support frame 120. It is located in the rear position close to the corner.

  The left and right corners formed by the second inclined rods 132R, 132L and the third inclined rods 133R, 133L of the handle frame 130 are positioned at a rear position close to the second connecting rod 123 of the seat support frame 120. A third horizontal member 135 is provided so as to be installed. The third horizontal member 135 extends in a substantially parallel state with the second connecting rod 123 behind the second connecting rod 123 of the seat support frame 120.

  Under the corner formed by the left and right bars 111R, 111L and the first connecting bar 112 of the base frame 110, traveling wheels 200, 200 are respectively attached. Traveling wheels 200, 200 are also attached to the lower ends of the rods 131R, 131L. As a result, the shopping cart 10 has a structure including two front wheels and two rear wheels. Each wheel rolls and is supported so that it can rotate 360 degrees around the vertical axis. It can be moved and swiveled.

  The lower part of the child seat 300 is fixed on the second connecting rod 123 of the seat support frame 120 and the third horizontal member 135 of the handle frame 130. The child seat 300 is attached to the cart body 100 in a forward-facing state. The child seat 300 includes a seat body 310 and a guard 350 that is swingably attached to the seat body 310.

  The seat main body 310 is formed of a synthetic resin, and includes a housing portion 311 that houses a child and a cover 312 that covers the back surface of the housing portion 311. As shown in the figure, the accommodating portion 311 is integrally formed of a backrest portion 311A, a seat portion 311B, and an elbow rest guard portion 311C, and an accommodating space S is defined by being surrounded by them. A head support 370 is provided at a portion of the backrest 311A where the child's head comes into contact.

  The guard 350 is for preventing the child who has entered the housing portion 311 from falling off the child seat 300, and forms a loop for restraining the torso of the child with a waist belt 380 passing through the guard 350 and the backrest portion 311A. Then, the length of the belt 380 is adjusted to restrict the movement of the child seated on the seat 311B from falling off the child seat.

  The child seat 300 has a built-in reclining mechanism, and the tilt angle of the child seat itself can be changed by operating a lever 390 attached to the upper cover of the rear surface of the child seat 300.

  A buffer member 118 made of rubber or the like is attached to the tip of the shopping cart 10, that is, the first connecting rod 112 of the base frame 110 in order to alleviate a collision with an obstacle such as a wall. Further, a synthetic resin grip 138 is attached to the metal third connecting bar 134 of the handle frame 130 so that the user can easily grip the handle frame 130.

  The shopping cart 10 configured in this manner is configured such that the width becomes narrower as it goes from the rear to the front, and the height becomes lower as it goes forward. For this reason, the shopping cart 10 can be piled back and forth from the back of another shopping cart 10, that is, nesting can be performed. That is, when another shopping cart 10 is brought close to the rear of another shopping cart 10 when not in use, the front end portion of the rear shopping cart 10, that is, the front side portion of the base frame 110, is an expanded base of the front shopping cart 10. Enter the rear of the frame 110. Thereby, a plurality of shopping carts 10 can be nested before and after.

  Although the basic configuration of the shopping cart 10 according to the present embodiment has been described, the present invention tilts in stages by rotating the support structure of the seat body 310 by the support frame 140 formed by the cart body 100 and the seat body 310. It is characterized by a reclining mechanism that can adjust the angle.

FIG. 5 shows an attachment structure of the seat main body 310 to the support frame 140 constituted by the cart main body 100 and a reclining mechanism that adjusts the inclination angle stepwise by rotating the seat main body 310, showing the features of the present invention. FIG. A rear view of the shopping cart 10 shown in FIGS. 1 to 4 with the cover 312 removed is equivalent to FIG. 6 is a perspective view showing a main part of the support frame 140 constituted by the cart main body 100, and FIG. 7 is a perspective view showing a main part of the sheet main body 310 placed on the support frame 140 shown in FIG. FIG. 8 is a perspective view of the rotary bearing member 330 shown in FIGS. 5 and 7. FIG. 9 is a perspective view showing the reclining rod 340 shown in FIG. FIG. 10 is a cross-sectional view showing a mounting structure of the accommodating portion 311 of the seat main body 310 with respect to the support frame 140, and substantially corresponds to a cross-sectional view taken along line XX in FIG.
As shown in FIG. 6, the support frame 140 that supports the seat body 310 includes a second connecting rod 123 that connects the upper ends of the first inclined rods 122 </ b> L and 122 </ b> R that are inclined forward and upward in the seat support frame 120. In the rear position close to the second connecting rod 123, the left and right corners formed by the second inclined rods 132R, 132L and the third inclined rods 133R, 133L of the handle frame 130 are erected. A horizontal member 135 and a pair of left and right brackets 141 </ b> L and 141 </ b> R provided to protrude upward from the second connecting rod 123 of the seat support frame 120 are configured. Here, as shown in FIG. 6, the pair of left and right brackets 141 </ b> L and 141 </ b> R are arranged to straddle the second connecting rod 123 of the seat support frame 120 and the third horizontal member 135 installed on the hand frame 130. It is preferred that

Each bracket 141L, 141R has a lower end notched in a U shape to form a lower end recessed portion 141A, and an upper end is notched in a substantially “h” shape and is inclined frontward and upward. 141B and a rear inclined portion 141C inclined upward in the rear side are formed, and an upper end receiving portion 141D is formed by cutting out in a U shape between the front inclined portion 141B and the rear inclined portion 141C. . Each bracket 141L, 141R is formed with a predetermined number of screw insertion holes 141E so that it can be fastened to a rotating bearing member 330, which will be described later, by bolting.
Here, the brackets 141L and 141R are spaced apart from each other by a predetermined interval in the width direction of the cart body 100, and the lower end recessed portion 141A is fixed to the second connecting rod 123 of the seat support frame 120, and the lower end rear portion 141F is The left and right corners of the hand frame 130 are fixed to a third horizontal member 135 erected. Here, the brackets 141L and 141R are integrated with the cart body 100 by having the lower end recessed portion 141A welded to the second connecting rod 123 and the lower end rear portion 141F welded to the third horizontal member 135.

  As described above, in the support frame 140, the second connecting rod 123 of the seat support frame 120 and the third horizontal member 135 installed on the hand frame 130 are arranged in parallel, and the second connecting rod 123 and the third The brackets 141L and 141R are fixed to the horizontal member 135 with a space in the width direction of the cart main body 100, and an upper end receiving portion 141D having a recess at the upper end of each bracket 141L and 141R is formed. . As will be described later, the upper end receiving portion 141D rotatably receives both end portions of a rotation shaft member 320 that is disposed at the lower end of the back surface of the sheet main body 310 so as to extend in the width direction of the sheet main body.

  On the other hand, as shown in FIGS. 1 and 2, the seat main body 310 includes an accommodation portion 311 that accommodates a child and a cover 312 that covers the back surface of the accommodation portion 311. The accommodating part 311 is erected from the left and right ends of the back part 311A for supporting the child's head and torso from behind, the seat part 311B for seating the child, and the back part 311A and the seat part 311B. And a side wall portion 311D for restraining (see FIG. 10). A receiving portion 311E for attaching the crotch guard portion 350 to the seat main body 310 is formed on the front side of the seat portion 311B. The receiving portion 311E extends to the front side, curves and extends rearward, and a lower end receiving portion 311F of the cover 312 is formed. It is formed. The side wall portion 311D is formed in a U-shaped horizontal section, and forms a cavity on the rear side and the bottom side together with the seat portion 311B. As will be described later, the hollow is a rotating shaft member 320 for rotating the accommodating portion 311 and a rotating bearing member 330 (330L, 330R) that rotatably supports both ends of the rotating shaft member 320. To accommodate.

  As shown in FIG. 8, the rotary bearing member 330 is generally disc-shaped, and has a recessed portion 331 formed by cutting out in an inverted U shape on the front side of the lower end portion, and has a square shape on the rear end of the lower end portion. It has a notch 332 formed by notching. Here, the recess 331 is formed by front and rear inclined surfaces 331A and 333B inclined obliquely upward and rearward, so that the rotating shaft member 33 can reliably maintain the mounting state on the support frame 120. On the other hand, a plurality of groove portions 333A, 333B, and 333C are provided on the outer peripheral edge portion at the upper end portion of the rotation bearing member 330. Here, among the plurality of groove portions, the front side wall surface 333D of the frontmost groove portion 333A and the rear side wall 333E of the rearmost groove portion 333C are higher than the front and rear walls 333F of the other groove portions 333B. As will be described later, the reclining rod 340 is locked by engaging the flange portion 340A of the reclining rod 340 with any of the groove portions 333A to 333C, but by operating the operation wire 400 tied to the flange portion 340A, This is because even if the lock is released, the operation wire 400 is returned to engage with any one of the grooves. The number and angle range of the inclination angle of the sheet main body 310 are determined by the number and size of the groove portions of the rotation bearing member 330. Note that the rotation bearing member 330 is inserted with a predetermined number of screws for screwing the shaft portion 334 for rotatably attaching the end portion of the rotation shaft member 320 and the brackets 141L and 141R of the support frame 140. A hole 335 is provided. The shaft portion 334 may make it easy to rotate the rotation shaft member 320 using, for example, a bearing.

  As shown in FIG. 5 and FIG. 7, left and right brackets 313L and 313R having a pair of insertion holes symmetrically on the lower rear surface of the seat portion 311B of the accommodating portion 311 of the seat body 310, and the inner side of each bracket A plurality of sub brackets 314L and 314R are formed so as to protrude. On the other hand, as shown in FIGS. 5 and 7, a plurality of receiving portions 315 whose rear sides are open project from the back surface of the back portion 311 </ b> A of the housing portion 311 in a region facing the waist of the child to be housed. . Further, on the back surface of the backrest portion 311A, as shown in FIG. 5, first locking portions 316L and 316R that lock the lower end portion of the tube body 410 through which an operation wire 400 described later is inserted into the back surface of the side wall portion 311D. A pair of second locking portions 317L and 317R for locking the upper end portion of the tube body 410 through which the operation wire 400 is inserted on the upper back surface of the backrest portion 311A, respectively, and further, a second locking portion A pair of brackets 318L and 318R for operating levers for driving the operating wire 400 are provided above 317L and 317R.

  Left and right brackets 313L and 313R provided on the lower back surface of the seat portion 311B, sub brackets 314L and 314R provided on the inside thereof, receiving portions 315 provided on the back surface of the backrest portion, and first and second locking portions 316L, 316R and 317L, 317R, and a pair of brackets 318L, 318R for the operation lever are integrally formed with a synthetic resin together with the accommodating portion 311 together with a reinforcing rib 319 formed on the back side of the accommodating portion 311 of the seat body 310. It is formed.

  On the other hand, as shown in FIGS. 5 and 9, the reclining rod 340 whose one end is engaged with the rotating bearing members 330 </ b> L and 330 </ b> R and supports the back surface of the accommodating portion 311 of the seat main body 310 is linear in the center portion in the left and right directions. Extending from the left end of the rear bar 341, a rear bar 341 that is slightly inclined forward on both ends at the same horizontal plane, a left bar 342 L that is bent from the left end of the rear bar 341, and extends to the front side A right side bar 342R that is bent and extended to the front side so as to be parallel to the left side bar 342L, and extends inward from a front end of a pair of left and right side bars 342L and 342R so as to be parallel to the center of the rear side bar 341. And a pair of left and right front bars 344L and 344R having a flange 343 at the inner end. That is, both ends of the reclining rod 340 are formed in a U-shape and have flanges 340A and 340A formed by the front bar members 344L and 344R.

  The support frame 140 is configured as described above, and includes the accommodating portion 311 of the seat main body 310, the rotation shaft member 320, the rotation bearing members 330L and 330R, and the reclining rod 340. However, the seat support frame 120 and the hand frame 130 are configured. How the housing portion 311 of the seat body 310 is assembled to the support frame 140 constituted by the third horizontal member 135 installed on the shaft by the rotation shaft member 320, the rotation bearing member 330 and the reclining rod 340. This will be described below.

First, the assembly of the rotation shaft member 320 and the rotation bearing member 330 to the accommodating portion 311 of the seat body 310 will be described.
As shown in FIGS. 5 and 7, the insertion holes of the left and right brackets 313L and 313R provided on the lower back surface of the seat portion of the accommodating portion 311 of the seat body 310, and one or more provided inside the brackets 313L and 313R. A rod-shaped rotating shaft member 320 is inserted into the recesses of the sub brackets 314L and 314R. Then, rotation bearing members 330L and 330R are rotatably attached to both ends of the rotation shaft member 320. At this time, as shown in FIG. 7, of the rotating shaft members 330L and 330R, contact with the insertion holes of the left and right brackets 313L and 313R of the accommodating portion 311 of the seat body 310 and the recesses of the one or more sub brackets 314L and 314R. Elastic cylindrical bodies 321L, 321R, 322L, and 322R that are formed in a tubular shape with an elastic body such as rubber are fitted into the left and right ends, and the insertion holes of the brackets 313L and 313R and the recesses of the sub brackets 324L and 324R. Inserted. The outer elastic cylinders 322L and 322R have a larger outer diameter than the inner elastic cylinders 321L and 322R, and also serve as positioning of the rotation shaft member width. As a result, the accommodating portion 311 of the sheet main body 310 rotates as the rotation shaft member 320 rotates. Rotating bearing members 330L and 330R are attached to both ends of the rotating shaft member 320.

  Next, a structure for attaching the accommodating portion 311 of the seat main body 310 to the support frame 140 will be described. 11 is a perspective view of the vicinity of the right rotation bearing member 330R shown in FIG. 5 as viewed from the rear inner side, and FIG. 12 is a plan view of the vicinity of the right rotation bearing member 330R shown in FIG. 13 is a perspective view of the vicinity of the right rotation bearing member 330R in the state where the cover 312 is attached to the back side of the accommodating portion 311 of the seat body 310, and FIG. 14 shows the vicinity of the rotation bearing member 330R. It is the perspective view seen from the outer side.

  As shown in FIG. 5, a rotation shaft member 320 is now provided extending in the width direction of the sheet body 310 at the lower end of the back surface of the accommodating portion 311 of the sheet body 310, and both ends of the rotation shaft member 320. With the pair of left and right rotational bearing members 330L and 330R attached to the part, the pair of left and right rotational bearing members 330L and 330R are connected to the second connecting rod 123 and the hand of the seat support frame 120 constituting the support frame 140. It is stretched over a third horizontal member 135 installed between the corners of the frame 130. At this time, since the support frame 120 is provided with a pair of brackets 141L and 141R fixed to the second connecting rod 123 and the third horizontal member 135 at intervals in the left-right width direction, each bracket 141L, Rotating bearing members 330L and 330R are disposed on the left and right outer sides of 141R. A notch 332 formed by cutting out the lower end rear part of each of the pivot bearing members 330L and 330R in a square shape comes into contact with the third horizontal member 135 installed between the corners of the handle frame 130 from the front side and A recess 331 formed on the front side of the lower end of the bearing members 330, 330 is inserted into and engaged with the second connecting rod 123 of the seat support frame 120 from above. Here, the screw insertion holes 335 and 141E formed in the rotation bearing members 330L and 330R and the brackets 141L and 141R of the support frame 140 are combined with each other, and a bolt 145 is inserted into each screw insertion hole. It can be tightened from the inside. By this fastening, the accommodating portion 311 of the seat main body 310 is pivotably attached to the support frame 140 with the pivot bearing members 330L and 330R interposed.

  As shown in FIGS. 11 and 12, the flanges that are the front bar members 334L and 334R of the reclining rod 340 with respect to the groove portions 333A to 33C formed in the pair of left and right rotational bearing members 330L and 330R. 340A is inserted from above, and inserted from the rear into each receiving portion 315 formed so as to protrude from the back surface of the accommodating portion of the seat body 310 with respect to the rear bar 341 of the reclining rod 340. At this time, a pair of left and right coil springs 420 are stretched between the flange portion 340 </ b> A of the reclining rod 340 and the rotating shaft member 320. The lower end hook 420 </ b> A of the coil spring 420 is hooked on the rotating shaft member 320, and the upper end hook 420 </ b> B of the coil spring 420 is hooked on the inner side near the flange surface of the flange 340 </ b> A of the reclining rod 340. Accordingly, the pair of flange portions 340 </ b> A of the reclining rod 340 is held in a locked state so as not to be easily detached from the one groove portion 333 of the rotation bearing member 330.

  As described above, the mounting structure of the seat main body 310 first includes the rotating shaft member 320 that is arranged to extend in the width direction of the housing portion 311 at the lower end of the back surface of the housing portion 311, and both ends of the shaft member 320. And a reclining rod 340 extending in the width direction of the accommodating portion 311 at a position obliquely upward and rearward from the rotating shaft member 320. The rotary bearing member 330 is placed on the seat support frame 120 by engaging the recess 331 of each rotary bearing member 330 with the seat support frame 120 arranged to extend in the width direction of the accommodating portion 311. The left and right flange portions 340A and 340A of the reclining rod 340 are engaged with the groove portions 333 of the rotation bearing members 330L and 330R, and a coil spring 420 as an elastic body is provided between the flange portions 340A and the rotation shaft member 330. By interposing, the reclining rod 340 comes into contact with the back surface of the seat main body 310, and the rotation of the accommodating portion 311 of the seat main body 310 is stopped to support the seat main body 340. Thereby, the inclination state of the accommodating part 310 is maintained. Therefore, in combination with the attachment of the accommodating portion 311 of the seat main body 310 to the support frame 140 through the rotation bearing members 330L and 330R, the accommodating portion 311 of the seat main body 310 maintains the predetermined inclination angle and supports the support frame. 140 is attached.

  As shown in FIGS. 5 and 10, screw holes 430 and receiving portions 440 for mounting the cover 312 are formed at predetermined positions on the back surface of the housing portion 311, and the cover 312 is formed on the back surface of the housing portion 311. The cover 312 can be attached to the housing portion 311 by fitting and screwing. Accordingly, as shown in FIG. 13 and FIG. 14, various parts for attaching the accommodating portion 311 of the seat main body 310 to the seat support frame 120 and the reclining mechanism, in particular, the reclining rod 340, the operation wire 400, and the rotation shaft Since the member 320 and the like can be hidden between the housing 311 and the cover 312 and the driving unit and the rotating part are not exposed, the product value as a shopping cart is high and contributes more safely.

A reclining mechanism for adjusting the inclination angle of the seat body 310 with respect to the structure for attaching the seat body 310 to the support frame 140 as described above will be described.
As shown in FIG. 8, the rotary bearing member 330 has a plurality of groove portions 333. As shown in FIGS. 5 and 10, the lower ends of the operation wires 400 are connected to the upper end hooks 420 </ b> B of the pair of left and right coil springs 420. The left and right sides of the operation lever 390 mounted on the pair of flanges 318L and 318R for the operation lever formed at the upper end of the back surface of the accommodating portion 311 of the seat body 310 via the two locking portions 316L and 316R and 317L and 317R The upper end of the operation wire 400 is connected to the lower end.

  FIG. 15 is a diagram schematically showing how the operation wire 400 is attached. In FIG. 15, only the right side of the pair of left and right operation wires 400 is shown, but the left side is the same. As shown in FIG. 15, the operation wire 400 protrudes from the back surface of the accommodating portion 311 of the sheet main body 310 except for the upper end portion connected to the operation lever 390 and the lower end portion connected to the flange portion 340 </ b> A of the reclining rod 340. Between the first locking portions 316L and 316R and the second locking portions 317L and 317R formed as described above, the flexible cylindrical body 410 is inserted. The lower end portion of the operation wire 400 is connected to the flange portion 340 </ b> A of the reclining rod 340, and the upper end portion 400 </ b> A formed in a spherical shape is locked to the lower end edge 390 </ b> A of the operation lever 390. The upper end portion 411 of the cylindrical body 410 is locked by being inserted into the second locking portion 317R as indicated by the dotted arrow, and the lower end portion 412 of the cylindrical body 410 is engaged with the first locking portion 316R. The operation wire 400 itself can be moved up and down by the drive of the operation lever 390 and the tension of the coil spring 420. The first locking portions 316L and 316R and the second locking portions 317L and 317R are, for example, two “U” -shaped engagements from the back surface of the accommodating portion 311 of the sheet main body 310 as shown in FIG. The upper and lower ends 411 and 412 of the cylindrical body 410 are formed with pin-shaped flanges through which the operation wire 400 is inserted, and the flanges are formed into a pair of engaging pieces. Locked.

  As shown in FIG. 10, the operation lever 390 is provided with operation lever shaft portions 391 on both the left and right sides thereof, and the operation lever shaft portions 319 are obliquely provided on a pair of flanges 318L and 318R for the operation lever. The operation lever flanges 318L and 318R are inserted into the operation hole opened in the vertical direction, and support the operation lever 390 so that the operation lever 390 can be operated in an oblique vertical direction.

The reclining mechanism is configured as described above, and operates the operation lever 390 to release the flange portion 340A of the reclining rod 340 locked to the groove portion 333 of the rotation bearing member 330, and the storage portion 311 of the seat main body 310. After the angle adjustment, the operation lever 390 returns to the original state by the tension of the coil spring 420, so that the reclining rod 340 is locked again. That is, first, by operating the operation lever 390 obliquely upward as indicated by an arrow Y ₁ in FIG. 15, the lower end portion of the operation wire 400 is moved upward as indicated by an arrow Y ₂ . As a result, the flange portion 340A of the reclining rod 340 to which the lower end portion of the operation wire 400 is attached moves upward against the tension of the coil spring 420 and is disengaged from the groove portion 333 of the rotary bearing members 330L and 330R. In this state, the accommodating portion 311 of the sheet main body 310 can be rotated by the rotation shaft member 320. Next, the inclination of the accommodating portion 311 of the sheet main body 310 can be changed by rotating the accommodating portion 311 of the sheet main body 310 around the rotation shaft member 320. Finally, by stopping the operation of the operation lever 390, the operation wire 400 returns to the original state due to the tension of the coil spring 420, and the flange portion 340A of the reclining rod 340 is locked to another groove portion 333 of the rotary bearing member 330. Then, the rotation of the accommodating portion 311 of the seat body 310 is stopped, and the seat body 310 can maintain a predetermined inclination angle. An arrow X ₁ shown in FIG. 10 indicates a rotation range of the collar portion 340 A of the reclining rod 340, and an arrow X ₂ indicates a rotation range of the seat body 310.

  As shown in FIGS. 5 and 10, a plurality of engaging protrusions 318 </ b> A provided on the peripheral edge of the head support 318 are attached to the outer peripheral edge of the head support region of the backrest 311 </ b> A of the housing 311. An insertion recess 1319 is formed, and an engagement protrusion 318A of the head support 318 is inserted into and engaged with an engagement hole 319A provided at an interval in the insertion recess 319, whereby the head support 318 is moved. It can be easily detached.

  In the embodiment described above, the case where the present invention is applied to the shopping cart 10 has been described. However, the shopping cart is also called a shopping wagon, and can be appropriately changed within the scope of the invention described in the claims. Needless to say, the present invention can also be applied to a case where a seat body for adults as well as children such as a housing rack is attached to the support frame and the seat body is reclined.

It is a front perspective view of the shopping cart which concerns on embodiment of this invention. It is a back perspective view of the shopping cart of FIG. It is a front view of the shopping cart of FIG. It is a side view of the shopping cart of FIG. It is a figure which shows the reclining mechanism which adjusts an inclination angle in steps by rotating a sheet | seat main body, and the attachment structure of the sheet | seat main body to the support frame comprised by the cart main body which shows the characteristic part of this invention. It is a perspective view which shows the principal part of the support frame comprised with the cart main body of FIG. It is a perspective view which shows the principal part of the sheet | seat main body mounted in the support frame shown in FIG. It is a perspective view of the rotation bearing member shown in FIG.5 and FIG.7. It is a perspective view which shows the reclining rod shown in FIG. It is sectional drawing which shows the attachment structure of the accommodating part of the sheet | seat main body with respect to a support frame. It is the perspective view which looked at the rotation bearing member 330R right side shown in FIG. 5 from back inner side. FIG. 6 is a plan view of the vicinity of a right rotation bearing member 330R shown in FIG. 5. It is the perspective view which looked at the rotation bearing member vicinity of the right side in the state which mounted | wore the back side of the accommodating part of the sheet | seat main body from the inner side. It is the perspective view which looked at the rotation bearing member right side in the state which attached the cover to the back side of the accommodating part of a sheet body from the outside. It is a figure which shows attachment of an operation wire typically.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Shopping cart 100 Cart main body 110 Base frame 111R, 111L Bar material 112 1st connection bar material 114 1st erection material 114R, 114L Standing part 114C Horizontal part 115 Metal bar part 115A Slow slope part 115B Step part 115C Horizontal part 115S Stopper 118 Buffer member 120 Seat support frame 121R, 121L First vertical rod 122R, 122L First inclined rod 123 Second connecting rod 130 Handle frame 131R, 131L Second vertical rod 132R, 132L Second inclined rod 133R, 133L Third inclined rod 134 Third connecting rod 135 Third horizontal member 138 Grip 140 Support frame 141L, 141R, 313L, 313R, 318L, 318R Bracket 141A Lower end concave portion 141B Front inclined portion 141 C Rear inclined portion 141D Upper end receiving portion 141E, 335 Screw insertion hole 141F Lower end rear portion 145 Bolt 146 Net 200 Traveling wheel 300 Child seat 310 Seat body 311 Housing portion 311A Backrest portion 311B Seat portion 311C Elbow rest guard portion 311E Side wall guard portion 311E 312 Cover 314L, 314R Sub bracket 315 Receiving part 316L, 316R First locking part 317L, 317R Second locking part 318 Head support 318A Engaging protrusion 319 Insertion recessed part 319A Engaging hole 320 Rotating shaft member (shaft member) )
330, 330L, 330R Rotating bearing member (bearing member)
331 Recessed portion 331A, 331B, 333D, 333E Slope 332 Notch portion 333, 333A, 333B, 333C Groove portion 334 Shaft portion 340 Reclining rod 340A Hook portion 341 Rear side bar 342L Left side bar 342R 4R 3434 Front bar 350 Guard 370 Head support 380 Belt 390 Operation lever 390A Lower edge 400 Operation wire 400A Upper end 410 Tubing 420 Coil spring 420A Lower end hook 420B Upper end hook 430 Screw hole 440 Receiving part S Accommodating space

Claims (11)

An attachment structure for attaching a seat body provided with a seat portion and a backrest portion to a seat support frame arranged extending in the width direction of the seat body,
A shaft member arranged to extend in the width direction of the sheet main body at the lower end of the back surface of the sheet main body, a pair of bearing members attached to both ends of the shaft member, and a rear obliquely upper position from the shaft member A rod extending in the width direction of the seat body,
The bearing member has a recess at the lower end and a groove at the upper end,
Both ends of the rod are U-shaped and have a collar,
Engaging the recess of the bearing member with the seat support frame and placing the bearing member on the seat support frame;
By engaging the left and right flange portions of the rod with the groove portions of the bearing member and interposing an elastic body between each flange portion and the shaft member, the rod is brought into contact with the back surface of the seat body, Mounting structure for the seat body that supports the seat body.   The seat body mounting structure according to claim 1, wherein the recessed portion of the bearing member is formed by front and rear inclined surfaces inclined obliquely upward and backward.   The seat body mounting structure according to claim 1, wherein a rear end portion of the bearing member abuts against a horizontal member juxtaposed to the seat support frame behind the seat support frame.   2. The seat body mounting structure according to claim 1, wherein the seat support frame has a bracket at a position adjacent to the pair of bearing members, and each bearing member is fixed to the bracket.   The seat body mounting structure according to claim 1, wherein a cover is attached to a back side of the seat body. A seat body provided with a seat portion and a backrest portion is attached to a seat support frame arranged extending in the width direction of the seat body, and a reclining mechanism for reclining the seat body,
A rotating shaft member arranged to extend in the width direction of the sheet main body at the lower end of the back surface of the sheet main body, a pair of rotating bearing members attached to both ends of the rotating shaft member, and the rotating A reclining rod extending in the width direction of the seat body at a position obliquely above and behind the shaft member, an operation lever movably attached to the back surface of the seat body, and a pair of operation wires connected to the operation lever Prepared,
The rotational bearing member has a recess at the lower end and a plurality of grooves in front and rear in parallel at the upper end.
Both ends of the reclining rod are U-shaped and have a flange, and the operation wire is connected to the flange,
Engaging the recess of the pivot bearing member with the seat support frame and placing the pivot bearing member on the seat support frame;
By engaging the left and right flanges of the reclining rod with the grooves of the rotating bearing member, and interposing an elastic body between each flange and the rotating shaft member, the rod is attached to the back surface of the seat body. And supporting the sheet main body, and by moving the operation lever, the hook portion is released from the groove portion of the rotary bearing member so that the inclination of the sheet main body can be changed. A seat body reclining mechanism that engages and locks another portion with another groove of the pivot bearing member.   The seat body according to claim 6, wherein a front side wall surface of the frontmost groove portion and a rear side wall of the rearmost groove portion among the plurality of groove portions of the bearing member are higher than the front and rear walls of the other groove portions. Reclining mechanism.   The seat body reclining mechanism according to claim 6, wherein a cover is attached to a back side of the seat body. In a shopping cart comprising a cart body in which a traveling wheel is attached to a base frame and a seat support frame is erected from the base frame, and a child seat having a seat portion and a backrest portion,
A shaft member disposed to extend in the width direction of the housing portion at the lower end of the back surface of the housing portion of the child seat, a pair of bearing members attached to both ends of the shaft member, and obliquely rearward from the shaft member A rod extending in the width direction of the housing portion at an upper position,
The bearing member has a recess at the lower end and a groove at the upper end,
Both ends of the rod are U-shaped and have a collar,
Engaging the recess of the bearing member with a seat support frame arranged to extend in the width direction of the accommodating portion, and placing the bearing member on the seat support frame;
By engaging the left and right flange portions of the rod with the groove portions of the bearing member and interposing an elastic body between each flange portion and the shaft member, the rod is brought into contact with the back surface of the seat body, A shopping cart that supports the seat body. In a shopping cart comprising a cart body in which a traveling wheel is attached to a base frame and a seat support frame is erected from the base frame, and a child seat having a seat portion and a backrest portion,
A rotating shaft member arranged to extend in the width direction of the housing portion at the lower end of the back surface of the housing portion of the child seat, and a pair of rotating bearing members attached to both ends of the rotating shaft member; A reclining rod extending in the width direction of the housing portion at a position obliquely above and rearward from the rotating shaft member, an operation lever movably attached to the back surface of the housing portion, and a pair of operations coupled to the operation lever With wire,
The pivot bearing member has a recess at the lower end and a groove in front and rear in parallel at the upper end,
Both ends of the reclining rod are U-shaped and have a flange, and the operation wire is connected to the flange,
Engaging the recessed portion of the bearing member with a seat support frame arranged to extend in the width direction of the accommodating portion, and placing the rotating bearing member on the seat support frame;
By engaging the left and right flanges of the reclining rod with the grooves of the rotating bearing member, and interposing an elastic body between each flange and the rotating shaft member, the rod is placed on the back surface of the housing portion. Is supported to support the housing portion, and the lever is released from the groove portion of the rotating bearing member by the movement of the operation lever so that the inclination of the child seat can be changed, and the lever is returned by the return of the operation lever. A shopping cart formed by engaging and locking with another groove of the rotary bearing member.   The shopping cart according to claim 9 or 10, wherein a cover is attached to the rear side of the seat body of the child seat.

Images