Automobile vehicle seat covered with a return sleeve

Details Automobile vehicle seat covered with a return sleeve Automobile vehicle seat covered with a return sleeve

2000-02-24

2001-10-09

Brown, Peter R. (Department: 3636)

Chairs and seats

Bottom or back

Cushioned

C297S218500

Reexamination Certificate

active

06299255

ABSTRACT:

FIELD OF THE INVENTION
The invention relates to automobile vehicle seats which comprises a foam cushioning provided with a bearing face which is covered by an upholstery cover.
More particularly, the invention relates to an automobile seat comprising a foam cushioning provided with a bearing face which is covered by an upholstery cover, the cushioning having at least one slit which opens onto the bearing face and which extends over a certain thickness in the cushioning, the upholstery cover comprising, in correspondence with said at least one slit, at least one connexion line formed by a fixing strip which is retained in the slit by a number of ties having a thread-like form, said ties being fixed to the fixing strip and to at least one insert which is integral with the cushioning, each tie extending longitudinally between first and second ends and the second end passing through the plane insert so as to fasten onto this insert.
BACKGROUND OF THE INVENTION
The document EP-A-0 243 188 describes a seat of this type, which has the disadvantage that the different ties of each fixing strip are fixed to each other forming a single plastic material part which runs along said return line. The result is that on the one hand, this plastic material part is relatively expensive, and on the other hand, said part increases the rigidity of the sleeve and makes it relatively difficult to handle said sleeve during installation.
OBJECTS AND SUMMARY OF THE INVENTION
A particular object of the present invention is to overcome this drawback.
To this end, according to the invention:
the ties are parts distinct from each other,
the first end of each tie is integral with a first substantially rigid branch perpendicular to said tie, said first end of the tie passing through the fixing strip and the first branch bearing against said fixing strip,
the second end of each filiform tie has been materially provided with a second substantially rigid branch perpendicular to said tie, the second branch actively supporting the insert,
at least one of the first and second branches is movable between:
on the one hand, a withdrawn position where said branch is forced into a position approximately parallel to the filiform tie,
and, on the other hand, a normal position in which said branch is approximately perpendicular to said filiform tie.
Thus, during installation by being turned inside out over the cushioning, the cover retains its flexibility whereas the fastening device is easy to install and effectively returns the sleeve into the cushioning. Moreover, the ties according to the invention are particularly inexpensive.
In preferred embodiments, use is also made of one and/or other of the following arrangements:
the insert is embedded in the cushioning;
the cushioning has a rear face opposite the bearing face, the insert being tangent to the rear face;
the rear face of the cushioning is molded over a strengthening fabric and the insert is formed by a portion of said fabric;
the slit is open only toward said upholstery cover;
the slit opens onto the rear face of the cushioning;
the sleeve comprises at least two cloth parts each having an edge, these two edges being mutually fixed at the connexion line by a seam line and form said fixing strip;
the cover includes at least two cloth parts each having an edge, these two edges being mutually fixed at the connexion line by a seam line, these edges being integral with said fixing strip, which is formed by a sheet of flexible material which comprises a first longitudinal edge sewn with the two edges of the parts of the sleeve and a second longitudinal free edge which penetrates into the slit;
the first end of the tie passes through the fixing strip;
the tie is made of plastic material;
each of the first and second branches forms a T with the corresponding end of the tie.


REFERENCES:
patent: 3630572 (1971-12-01), Homier
patent: 4317591 (1982-03-01), Ramsey
patent: 4609226 (1986-09-01), Yoshizawa
patent: 5733001 (1998-03-01), Roberts
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patent: 0 280 148 (1988-08-01), None
patent: 0 433 100 (1991-09-01), None
patent: 2 747 545 (1997-10-01), None

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