Chairs and seats – Body or occupant restraint or confinement – Safety belt or harness; e.g. – lap belt or shoulder harness
Reexamination Certificate
2004-01-13
2004-11-23
Brown, Peter R. (Department: 3636)
Chairs and seats
Body or occupant restraint or confinement
Safety belt or harness; e.g., lap belt or shoulder harness
C297S250100
Reexamination Certificate
active
06820939
ABSTRACT:
CROSS-REFERENCE TO RELATED APPLICATION
This application claims priority of Taiwanese Application No. 092208030, filed on May 1, 2003.
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to a child vehicle seat, more particularly to a child vehicle seat with a shoulder belt segment adjusting mechanism which permits adjustment of a height position of a seat belt thereof.
2. Description of the Related Art
Referring to
FIGS. 1 and 2
, a conventional child vehicle seat
100
is shown to include a seat body
71
and a control panel
73
movably mounted on a back support portion of the seat body
71
, and formed with two slots
711
for passage of two shoulder belt portions
72
of a seat belt. A plurality of bar anchor members
81
are secured to a rear side of the back support portion and are spaced apart from one another. Each of the bar anchor members
81
has a plurality of engaging slots
811
to serve as panel height locators. A handle bar
75
has two arms which extend through the back support portion and which are coupled to the control panel
73
. A belt support bar
74
is movably coupled to the arms of the handle bar
75
to engage and disengage two aligned ones of the engaging slots
811
to secure the control panel
73
at a desired height. When it is desired to adjust the height of the shoulder belt portions
72
, the user must press the handle bar
75
with both hands and pull the belt support bar
74
towards the handle bar
75
with fingers so as to permit the belt support bar
74
to disengage from the engaging slots
811
. Then, the user has to move the handle bar
75
as well as the whole control panel
73
until the belt support bar
74
engages two desired engaging slots
811
, thereby changing the height of the shoulder belt portions
72
relative to the seat body
71
. Since adjustment of the seat belt in the conventional child vehicle seat
100
needs to be conducted with both hands of the user, it is inconvenient, especially in a limited space, e.g. in the compartment of a vehicle.
SUMMARY OF THE INVENTION
The object of the present invention is to provide a child vehicle seat with a shoulder belt segment adjusting mechanism which permits convenient adjustment of a height position of a seat belt thereof using only one hand.
According to this invention, the child vehicle seat comprises a seat body adapted to be coupled to a vehicle seat. The seat body includes a bottom seat portion and a back support portion extending in an upright direction from the bottom seat portion. The back support portion has front and rear sides opposite to each other, and a belt receiving opening extending from the front side through the rear side. Right and left anchored members are secured on the rear side and outboard to the belt receiving opening in a longitudinal direction transverse to the upright direction. Each of the right and left anchored members has a plurality of positioning units displaced from one another in the upright direction. A belt support member is disposed rearwardly of the back support portion, and is movable relative to the right and left anchored members in the upright direction. The belt support member has a belt guiding opening communicated with the belt receiving opening. Right and left locking members are disposed to be movable relative to the belt guiding opening in the longitudinal direction. Each of the right and left locking members has a key end and a positioning end which is opposite to the key end in the longitudinal direction and which is movable relative to a respective one of the right and left anchored members between a locking position, where the positioning end engages one of the positioning units so as to lock movement of the belt support member relative to the right and left anchored members, and an unlocking position, where the positioning end disengages from said one of the positioning units so as to permit movement of the belt support member relative to the right and left anchored members in the upright direction. An actuator is disposed to be movable relative to the belt support member and relative to the key ends of the right and left locking members in a transverse direction relative to the longitudinal direction between first and second positions. A coupling member is disposed to couple the actuator to the key ends of the right and left locking members such that, when the actuator is moved from the first position to the second position, the positioning ends of the right and left locking members move simultaneously from the locking position to the unlocking position so as to permit movement of the belt support member in the upright direction relative to the right and left anchored members. A belt includes a top belt end which is disposed in the belt guiding opening, and a shoulder belt segment which extends from the top belt end forwardly to the front side of the back support portion through the belt receiving opening and which extends downwardly toward the bottom seat portion such that the shoulder belt segment is pullable to move in or out of the belt receiving opening when the top belt end is moved with the belt support member in the upright direction.
REFERENCES:
patent: 4790601 (1988-12-01), Burleigh et al.
patent: 6030047 (2000-02-01), Kain
patent: 6398302 (2002-06-01), Freedman et al.
patent: 6491348 (2002-12-01), Kain
patent: 6626493 (2003-09-01), Kain
patent: 6688685 (2004-02-01), Kain
patent: 6695412 (2004-02-01), Barger et al.
patent: 2002/0145318 (2002-10-01), Asbach et al.
Lowe Hauptman Gilman & Burner, LLP
Wonderland Nurserygoods Co. Ltd.
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