Chairs and seats – Supplemental seat – Detachably mounted to a support base
Reexamination Certificate
2000-01-24
2001-02-06
Brown, Peter R. (Department: 3636)
Chairs and seats
Supplemental seat
Detachably mounted to a support base
C297S253000
Reexamination Certificate
active
06183044
ABSTRACT:
BACKGROUND OF THE INVENTION AND RELATED ART STATEMENT
The present invention relates to a child seat to be installed on a seat in a vehicle.
The child seat is integrally formed of a seat portion on which buttocks of a child are put, and a back portion to which a back of the child leans.
A conventional child seat has been fixed to a seat in a vehicle by a webbing of a seat belt device for an adult. In case the child seat is fixed to the seat by the webbing as described above, the webbing has to be pulled out to fix the child seat and passed through or hooked on predetermined portions. Thus, fixing of the child seat has been troublesome. Also, since the child seat is bulky, it requires a great labor for carrying the child seat into a cabin of the vehicle.
European Patent Publication EP 841209A1 discloses that a receiving portion formed of rods provided on left and right sides of a seat in a car is provided, and a child seat is detachably mounted on the receiving portion. The child seat includes two vertical members extending rearwards, and forward ends of the vertical members are provided with engaging portions engaging the receiving portion. On the left and right sides of the child seat, arms are provided to rotate in the front and rear directions, and the arms are adapted to abut against a seat back of the seat in the car to thereby prevent the child seat from being floated.
In EP 841209A1, since the child seat is integrally formed as a whole, its bulk and weight are large, so that great labors are required for bringing the child seat in and out the car and fixing the child seat to the seat.
An object of the present invention is to provide a child seat which can be extremely simply fixed to a seat in a vehicle. Another object of the invention is to provide a child seat which can be easily carried.
SUMMARY OF THE INVENTION
A child seat of the present invention includes a child seat main portion having a seat portion on which buttocks of a child are put and a back portion to which a back of the child leans; and a base on which the child seat main portion is mounted. The base is provided with a connecting portion to be connected to the vehicle, and the child seat main portion is detachably mounted on the base. In order to fix the child seat main portion to the base, the base is provided with a fixing member for the child seat main portion, the child seat main portion is provided with an engaging member to engage the fixing member, and either the base or the child seat main portion is provided with an engagement releasing member for releasing the engagement.
In the child seat, after the base is fixed to the vehicle, the child seat main portion is mounted on the base. By forming the base and the child seat main portion separately as described above, each of the base and child seat main portion can be easily carried in or out of a cabin of the vehicle.
Also, in case only the base separated from the child seat main portion is mounted on a seat, since the base is not accompanied with the child seat main portion, the fixing operation of the base can be easily carried out.
The fixing member can be moved generally parallel to an upper surface of the base, and preferably includes a hook taking an engaging position where the hook engages the engaging member and an engagement releasing position away from the engaging position; and a spring for urging the hook toward the engaging position.
In this case, when the engaging member of a base main portion is put on the hook and pressed downwards, the hook is once retreated and the engaging member enters deeply, and then the hook is pressed by the spring to thereby advance, so that an engagement between the engaging member and the hook is completed. In order to release the engagement, it is preferable that the hook is movable in the front and rear directions of the base main portion; and the engagement releasing member is connected to the hook, and the forward end thereof faces a front surface of the base main portion. Through the movement of the operating piece in the front and rear directions, the engagement between the hook and the engaging member can be released.
In order to prevent the base from being floated, it is preferable to provide a float preventing or fitting member for preventing the base main portion from being floated from a seat cushion by abutting against a seat back in the vehicle. It is also preferable that the float preventing member is supported to be rotatable in the front and rear directions with respect to the base main portion, and includes an abutting member for abutting against the seat back and a one way coil for preventing the abutting member from being rotated forward.
In the present invention, in the condition that the child seat main portion is mounted on the base, it is possible to disable release of engagement of the child seat with the vehicle. For this purpose, an operating piece for releasing the engagement of the child seat with the vehicle is formed in the base, and a preventing member for preventing movement of the operating piece in a direction of releasing the engagement may be provided in the child seat main portion. On the contrary, the preventing member may be formed on the base, and the operating piece may be formed in the child seat main portion.
REFERENCES:
patent: 4306749 (1981-12-01), Deloustal
patent: 4634177 (1987-01-01), Meeker
patent: 4943113 (1990-07-01), Meeker
patent: 5385387 (1995-01-01), Kain
patent: 5479135 (1995-12-01), Kain
patent: 5524965 (1996-06-01), Barley
patent: 5941601 (1999-08-01), Scott et al.
patent: 5971479 (1999-10-01), Jacquemot et al.
patent: 0 878 347 (1998-11-01), None
Fujiwara Tsuyoshi
Hiramatsu Koji
Hiroshige Atsushi
Iwasaki Toshiaki
Katsumata Shunichi
Brown Peter R.
Kanesaka & Takeuchi
Takata Corporation
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