Trim assembly for vehicle and method for manufacturing the same

Stock material or miscellaneous articles – Vehicle body ornament

Reexamination Certificate

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Details

C428S121000, C428S122000, C428S123000, C428S124000, C428S126000, C296S146700, C112S440000, C297S452380, C052S716500

Reexamination Certificate

active

06177155

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a trim assembly for a vehicle, which has a gathered top cover made of natural leather or the like and a method for manufacturing the same.
2. Description of Related Art
In a door lining or trim panel for a vehicle, a trim assembly (pad) having a gathered top cover made of natural leather or the like to improve luxurious feeling for aesthetic appearance has been known.
FIG. 11
shows a trim assembly (pad) having a gathered top cover according to an example of an earlier technology. Such an earlier door lining assembly (pad) or a trim panel assembly (pad)
80
for a door lining or a trim panel for a vehicle is manufactured by gather-sewing peripheral portions of a top cover
81
to form gather-sewn portions
82
, sewing the peripheral portions of the top cover
81
to form sewn portions
85
on peripheral portions of one-piece cardboard or pasteboard
84
to a room side surface to which polyurethane foam
83
for a cushion member is fastened, turning back both of the peripheral portions, of the top cover
81
and the cardboard or pasteboard
84
to form turned back portions
87
so as to wrap the peripheral portions of a resin attachment base
86
, and subsequently bonding both of the turned peripheral portions, of the top cover
81
and the cardboard or pasteboard
84
to a body side surface of the resin attachment base
86
.
FIG. 12
shows a trim assembly (pad) having a gathered top cover according to another embodiment of an earlier technology. Another earlier door lining assembly (pad) or trim panel assembly (pad)
90
for a door lining or a trim panel for a vehicle is manufactured by gather-sewing peripheral portions of a top cover
91
to form gather-sewn portions
92
, sewing belt shaped cardboard or pasteboard
93
on the gather-sewn peripheral portions of the top cover to form sewn portions
94
, the belt shaped cardboard or pasteboard
93
be divided into plurality, turning back the peripheral portions of the top cover
91
to a body side surface of a resin attachment base
96
to form turned back portions
97
so as to wrap the peripheral portions of the resin attachment base
96
, on the room side surface of which polyurethane foam
95
is fastened, and bonding the turned peripheral portions of the top cover
91
on the body side surface of the resin attachment base
96
.
However, there are problems in above-described earlier trim assemblies for a door lining or a trim panel for a vehicle from a manufacturing standpoint.
In the earlier door lining assembly or trim panel assembly
80
for a door lining or a trim panel for a vehicle, as shown in
FIG. 11
, when turning back both of the peripheral portions, of the top cover
81
and the cardboard or pasteboard
84
to the body side surface of the resin attachment base
86
to form the turned back portions
87
so as to wrap the peripheral portions of the resin attachment base
86
, and bonding both of the turned peripheral portions, of the top cover
81
and the cardboard or the pasteboard
84
on the peripheral portions on the body side surface of the resin attachment base
86
, because the peripheral portions of the resin attachment base
86
has curve for the purpose of aesthetic appearance, it is difficult to turn back both of the peripheral portions, of the top cover
81
and the cardboard or the pasteboard
84
to form the turned back portions
87
so as to wrap the curved peripheral portions of the resin attachment base
86
. As the result, a shape of the peripheral portions of the door lining assembly or the trim panel assembly
80
is not stylish. Further, when the cardboard or the pasteboard
84
is turned back to the body side surface of the resin attachment base
86
to put the curved peripheral portions of the resin attachment base
86
between the body side surface of the cardboard or the pasteboard
84
and turned peripheral portions of the cardboard or the pasteboard
84
, because undesired wrinkles are made, shapes of gathers in lengthwise on the top cover
81
are floating.
In the another earlier door lining assembly or the trim panel assembly
90
for a door lining or a trim panel for a vehicle, as shown in
FIG. 12
, shapes of gathers in lengthwise on the top cover
91
are floating when positions of the upper and lower belt shaped cardboard or the pasteboard
93
bonded on the peripheral portions of the resin attachment base
96
are not trued up. It is difficult to bond the belt shaped cardboard or pasteboard
93
on the peripheral portions of the resin attachment base
96
, with truing up the positions of the upper and lower belt shaped cardboard or pasteboard
93
completely, because sizes and shapes of members are not uniform and the door lining assembly or the trim panel assembly
90
is manufactured by handiwork.
SUMMARY OF THE INVENTION
The present invention has been developed in view of these problems.
An object of the present invention is to provide a trim assembly for a vehicle, which has a top cover having gathers formed easily and firmly, and a work for assembling the one requires short time.
Another object of the present invention is to provide a method for manufacturing the same.
In order to accomplish the above objects, in accordance with one aspect of the invention, a trim assembly for a vehicle comprises: a top cover comprising a gather-sewn peripheral portion; a plate-like base member, to which the peripheral portion of the top cover is sewn on a peripheral portion of the base member; and a cushion member inserted between the plate-like base member and the top cover; wherein an upper part of the gather-sewn peripheral portion of the top cover is overlapped and sewn on an upper peripheral portion on a body side surface of the base member, the overlapped and sewn top cover is turned over upwardly and further turned over beyond an upper edge of the base member so as to face a room side surface of the base member, a lower gather-sewn peripheral portion of the further turned top cover is overlapped and sewn on a lower peripheral portion on the room side surface of the base member, and the lower peripheral portion of the base member is turned back onto and fastened to the body side surface of the base member together with the sewn lower peripheral portion of the top cover.
The trim assembly can be used for a door lining assembly (pad) or a trim panel assembly (pad) for a door panel of a vehicle. The trim assembly also can be used for a side lining assembly (pad) for a body side molding, and the like.
In particular, the top cover can comprise natural leather formed from a cowhide, horse hide or other animal hide. It can be also used artificial leather, cloth made of fibers, or the like therefor.
The plate-like base member can comprise cardboard or pasteboard. Thin resin, comparatively rigid resin, and the like can be also used therefor.
As described above, according to the trim assembly, because after the upper part of the gather-sewn peripheral portion of the top cover is overlapped and sewn on the upper peripheral portion on the body side surface of the base member, the overlapped and sewn top cover is turned over upwardly and further turned over beyond the upper edge of the base member so as to face the room side surface of the base member, and the lower gather-sewn peripheral portion of the further turned top cover is overlapped and sewn on the lower peripheral portion on the room side surface of the base member, the lower peripheral portion of the base member can be turned back onto and fastened to the body side surface of the base member together with the sewn lower peripheral portion of the top cover. As the result, it is possible to form the gathers easily, and the work for assembling the trim assembly requires short time. Further, because the cushion member is inserted between the plate-like base member and the top cover, tension of the top cover is uniform thereby. Therefore, it is possible to uniformly form the gathers on the top cover.
The cushion member can comprise a plate-like attachment

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