JPS6320124B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an infant chair, and more particularly to an infant chair that can be used for multiple purposes.

Various infant chairs are commercialized depending on the purpose of use. Examples include regular fixed chairs, rocking chairs, and chairs that can be placed on the seats of automobiles (car seats).

By the way, in conventional infant chairs like this,
Each chair is manufactured according to its purpose, so for example, three types of chairs are required: a regular fixed chair, a swinging chair, and a chair that can be placed on a car seat. In this case, these three chairs would have to be purchased, which would be uneconomical.

The present invention was made in view of the above circumstances, and an object of the present invention is to provide a chair for infants that can be used for two purposes.

Hereinafter, the present invention will be explained in detail with reference to Examples.

FIG. 1 is a perspective view of an infant chair according to an embodiment of the present invention, FIG. 2 is a side view thereof, and FIG. 3 is a bottom view thereof.

The chair body of this infant chair has a backrest 2 at the rear of a seat floor 1, and the inclination angle can be adjusted (reclined) by a well-known inclination angle adjustment mechanism (not shown).
The structure is designed to allow for A front supporting leg 3 is provided on the lower front surface of the seat floor 1 so that it can be extended as shown in FIG. It is set in.

On both sides of the front part of the seat floor part 1, curved rods 41 are rotatably attached, which are provided at the two tips of the main leg rod 4, which has a U-shape in plan and an arcuate shape on the side.
The width of the main landing gear rod 4 is determined by the width of the backrest 2, as will be explained later.
In order to prevent it from coming into contact with the seat floor 1 when it is placed along the rear of the seat, the width is slightly larger than the width of the seat floor 1, as shown in FIG. A holder 7 for holding a seat belt (not shown) provided at a seat of the automobile is provided at the center of the main landing gear rod 4 in the longitudinal direction.

A support rod 4 is located approximately at the center of the main landing gear rod 4 in the longitudinal direction.
2 is provided so that it can rise and fall freely. A recess 11 is provided on the rear lower surface of the seat floor 1 in correspondence with the support rod 42, as shown in FIG. In the recess 11,
A locking tool 12 having a locking groove 16 is rotatably provided via a pin 17, and is biased clockwise by a spring 13. When the locking tool 12 is partially pushed by the tip of the support rod 42 entering the recess 11, it is rotated in the direction of the arrow in FIG. 5 against the force of the spring 13. This allows the tip of the support rod 42 to enter the locking groove 16, and when the tip of the support rod 42 enters the locking groove 16, it is returned to its original state by the force of the spring 13. It's starting to come back.

On both sides of the rear part of the seat floor part 1, there are locking tools (holders) 14 for maintaining this state when the main landing gear rod 4 is placed along the rear part of the backrest part 2, as will be explained later.
is rotatably provided via a shaft 18, as shown in FIGS. 8 and 9. Locking tool 14
The main landing gear rod 4 has a structure including a substantially U-shaped locking groove 19 in which a locking pin 43 provided at a predetermined location inside the main landing gear rod 4 is removably locked. A lock lever 15 is rotatably attached to the locking tool 14 via a pin 20. lock lever 15
is biased counterclockwise in FIG. 8 by a spring (not shown), and is normally positioned at a position where it abuts against the shaft 18 and a portion thereof faces the locking groove 19 of the locking tool 14. . The lock lever 15 has a locking pin 43 that enters the locking groove 19 of the locking tool 14.
When a part of the locking pin 43 is pressed by the locking member, it is rotated clockwise in FIG. When the locking pin 43 enters the locking groove 19 of the locking tool 14, it returns to its original state by the force of the spring, and the locking pin 43 enters the locking groove 19 of the locking tool 14. It is designed to prevent you from getting out.

At the center of the upper part of the rear surface of the seat floor part 1, there is another locking device (hook) for maintaining this state when the main leg lever 4 is placed along the rear part of the backrest part 2, as will be explained later. ) 21 (Fig. 10). The locking tool 21 is designed to be able to detachably lock the rear center of the main landing gear rod 4.

A rear supporting leg 5 is provided on the rear lower surface of the seat floor 1. As shown in FIGS. 6 and 7, the rear supporting leg 5 is loosely fitted into a pin 62 provided in the seat floor 1 through an elongated hole 51 formed at one end thereof. A locking plate 6 is provided at a predetermined location on the seat floor 1 near the rear supporting leg 5. For example, three locking grooves 61 are formed in the locking plate 6. A locking pin 52 is provided at a predetermined location on the rear supporting leg 5 corresponding to the locking groove 61 . A spring 63 is provided between the locking pin 52 and the pin 62. Usually, the locking pin 52 of the rear supporting leg 5 is locked in one of the locking grooves 61 of the locking plate 6.
When the locking pin 52 is pulled out against the force of the spring 63 and comes out of the locking groove 61 of the locking plate 6, it becomes rotatable.

Next, how to use this infant chair will be explained.

(When used as a regular fixed chair) In this case, as shown in Figures 1 to 3,
First, the main landing gear rod 4 is placed below the seat floor 1 so as to follow it, then the support rod 42 is raised up, and the fifth
As shown in the figure, the tip thereof is locked in the locking groove 16 of the locking tool 12. Next, pull out the front supporting leg 3,
The front supporting leg 3 and the main leg lever 4 are placed on the floor.
Thereby, this infant chair can be stably installed on the floor by the front supporting legs 3 and the main leg levers 4. If the rear support leg 44 is rotatably provided at the rear of the main leg rod 4, the infant chair can be installed on the floor using the rear support leg 44 and the front support leg 3. Good too. When the main leg rods 4 do not have an arcuate side shape but have a straight side surface shape, for example, the infant chair can be stably installed on the floor using only the main leg rods 4.

(When used as a swingable chair) In this case, the front supporting legs 3 of the chair in the normal fixed use condition as described above are rotated in the direction of the arrow a in FIG. It is stored on the front lower surface of the floor section 1. When the main landing gear rod 4 is provided with a rear supporting leg 44, the rear supporting leg 44 is rotated in a predetermined direction and stored above the main landing gear 4 along this direction. As a result, this infant chair is installed on the floor only by the main leg lever 4, and the user can enjoy rocking motion according to the side shape (arcuous shape) of the main leg lever 4.

(When used by placing it on a car seat) In this case, first rotate the locking tool 12 in the direction of the arrow in FIG. The tip of the rod 42 is pulled out of the locking groove 16 of the locking tool 12. As a result, the main landing gear rod 4 becomes rotatable relative to the seat floor 1, so the main landing gear rod 4 is rotated counterclockwise in FIG. 2. Then, as shown in FIG.
9 and the rear center of the main landing gear rod 4 to the 10th
As shown in the figure, it is locked by the locking tool 21. As a result, the main landing gear rod 4 is fixed along the rear side of the backrest 2, as shown in FIG. Next, the inclination angle of the rear supporting leg 5 is appropriately selected according to the seat of the automobile (FIG. 6). Next, this infant chair is placed on the seat of a car, and the holder 7 is made to grip the seat belt provided on the seat of the car. Thereby, this infant chair can be stably placed on the car seat by the rear supporting legs 5 and the like. As a mechanism for fixing the main landing gear rod 4 along the rear side of the backrest part 2, only one of the locking tool 14 and the locking tool 21 may be used.

As explained above, according to the present invention, in addition to being able to be used as a chair that can be placed on a car seat, it can be used as a regular fixed chair or as a swinging chair. It can be used as a chair, is economical, and can be easily changed. In addition, when the main landing gear rod is placed in a state where it can be used by placing it on the seat of a car, the main landing gear rod is fixed along the rear side of the backrest, resulting in a highly rigid structure as a whole. can improve safety.

[Brief explanation of the drawing]

The drawings are shown to explain one embodiment of the present invention. Among them, Fig. 1 is a perspective view showing the state in which it is used as a normal fixed chair, Fig. 2 is a side view thereof, and Fig. 3 is a perspective view of the chair in use. Its bottom view, FIG. 4 is a side view showing the state in which it is placed on a car seat, FIG. 5 is a longitudinal side view showing the locking device 12, and FIG. FIG. 7 is a cross-sectional view of the same part as seen from a different angle, FIG. 8 is a side view of the locking tool 14, and FIG. FIG. 10 is a longitudinal sectional side view showing a portion of the locking tool 21. 1... Seat part, 11... Recessed part, 12... Locking tool, 14... Locking tool, 15... Lock lever, 1
6... Locking groove, 19... Locking groove, 2... Backrest part, 21... Locking tool, 3... Front supporting leg, 4... Main leg rod, 42... Supporting rod, 43... Locking pin, 5...
Rear supporting leg, 52...locking pin, 6...locking plate, 7...
…holder.

Claims (1)

[Scope of Claims] 1. The tips of the main leg rods, each having a U-shaped planar shape, are rotatably pivoted on both sides of the lower surface of the seat of the chair body, which consists of a seat and a backrest. The upper end of the support rod, which is attached to the upper center of the main landing gear rod so that it can rise and fall freely, is removably locked to the rear end of the lower surface of the seat floor, and the rear support leg is attached to the rear end of the lower surface of the seat floor to change the inclination angle. When the main landing gear rod is disengaged from the seat floor and the rear part of the main landing gear rod is rotated along the back of the backrest, a part of the main landing gear rod is locked. An infant chair comprising a locking device such as a holder or hook on the seat floor or backrest. 2. The infant chair according to claim 1, wherein the main leg rod is U-shaped in plan and arched in side.