and upholsteries with ease and efficiency and furtherMODULAR VEHICLE BODY STRUCTURE more can attain its sealing with ease and efficiency.
It is another object of the present invention to proBACKGROUND OF THE INVENTION vide a novel vehicle body structure which can attain
1. Field of the Invention 5 sealing and bonding of its joining portions at the same The present invention relates to a modular vehicle tune
body structure and a method of producing the same. & is a further object of the present invention to pro
2. Description of the Prior Art vide a novel vehicle body structure which can be proUnitized bodies have been used for many of automo- duced with ease and efficiency.
biles, particularly for most passenger cars. The unitized 10 It is a further object of the present invention to probodies however have a difficulty in installation of com- vide a novel vehicle body structure which can reduce ponents and inspection of same since access to the the assembling expense considerably, spaces for disposition of the components is obstructed It is a further object of the present invention to proby the body section enclosing the spaces. For example, vide a novel vehicle body structure which is suited for installation of some devices, components or upholsteries 15 manufacture and assembly using robots, requires a worker to get into a vehicle cabin or to get his It is a further object of the present invention to prohands into a vehicle cabin through an opening of a vide a novel vehicle body structure which makes it vehicle body, resulting in the necessity of an awkward, possible to attain various types of vehicles with ease and difficult and time-consuming work and therefore an efficiency.
expensive assembly work. 20 ft js a further object of the present invention to pro
The unitized bodies further require an awkward, vide a novel method of producing a vehicle body of the
difficult and time-consuming work for providing seals above described character, to the spot-welded portions of the vehicle body. For
example. FIG. 11 shows a side sill "C" and a floor panel BRIEF DESCRIPTION OF THE DRAWINGS
"A" which are joined together by spot-welding. In 25 pIG j is ^ exploded view of a modular vehicle body
order to provide a seal between the side sill "C" and the incorporating a sealing system of the present invention;
floor panel A , a sealant G needs to be applied to the FIG 2 is an em d sectional view of a rtion of
jouung portions after the spot-welding. thg ... vehide body of FIG j in which a ...
SUMMARY OF THE INVENTION 30 system according to an embodiment of the present in
T , ... iU . . . , vention is incorporated:
In accordance with the present invention, there is ,-,,„ - • , , .. , • c ,. „,,„
., , , ,. , , v, ,. , . FIG. 3 is an enlarged sectional view of a portion X
provided a novel vehicle body structure which is con- ,. „„ i
stitutedby a plurality of independent body sections, i.e., ° _T ' ' . , , . ,, ,
an engine compartment assembly, floor assembly, a pair . FIG/ * ls TM enlarged sectional view of another por
of body side assemblies and a roof assembly. 35 tion of the modular vehicle body of FIG^2inwhichthe
The engine compartment assembly has a cowl box seahnS ... of FIG' 2 ls incorporated;
and a dash lower panel. The floor assembly has a front FIG; 5 » m enlarged sectional view of a portion "Y"
floor panel and a rear floor panel. Each of the body side °* G- '
assemblies has a front pillar, rear pillar, roof side rail and FIG- 6 ls a sectional view of the sealing system ac
a side sill. The roof assembly has a roof panel. 40 cording to another embodiment of the present inven
The engine compartment assembly, floor assembly, t*on>
body side assemblies and roof assembly are painted FIG- 7 is *« enlarged sectional view of a portion of
independently and provided with joining portions the modular vehicle body of FIG. 2 in which the sealing
which are respectively lapped one upon another. system according to a further emboidment of the pres
The joining portions are joined together by first join- 45 ent invention is incorporated;
ing means using bolts and nuts and by second joining FIG. 8 is an enlarged sectional view of another por
means using a sealant adhesive. ti°n of the modular vehicle body of FIG. 2 in which the
The sealant adhesive is applied in place between the sealing system of FIG. 7 is incorporated;
joining portions prior to the joining by the first joining FIG- 9 is an enlarged sectional view of a further
means. 50 portion of the modular vehicle body of FIG. 2 in which
In accordance with the present invention, there is the sealing system of FIG. 7 is incorporated;
further provided a novel method of producing a vehicle FIG- 10 is a fragmentary sectional view of two kinds
body. of adhesive sealants applied in a particular form and
The method comprises preparing an engine compart- utilized in the sealing system of FIG. 7;
ment assembly, floor assembly, a pair of body side as- 55 FIG. 11 is a sectional view of a portion of a prior art
semblies and a roof assembly which constitute indepen- vehicle body incorporating a prior art sealing system;
dent body sections and have joining portions which are and
lapped one upon another, respectively, painting the FIG. 12 is a sectional view of a portion of a modular
engine compartment assembly, body side assemblies and vehicle body incorporating a prior art sealing system,
roof assembly, applying an adhesive sealant to the join- 60 „ r>F<?ri? Tpttdn Dp Thf
ing portions, and fastening with bolts and nuts the join- ?R^FE?RED ...
ing portions while at the same time bonding the joining PREFERRED EMBODIMENTS
portions with the sealant adhesive. Referring first to FIGS. 1, a modular vehicle body
The above structure is effective for attaining a vehi- structure 10 is constituted by a plurality of independent
cle body which is free from the above noted problems. 65 vehicle body sections, i.e., an engine compartment as
It is accordingly an object of the present invention to sembly 12, floor assembly 14, front end assembly 15,
provide a novel vehicle body structure which can attain rear end assembly 16 and a pair of body side assemblies,
the installation and inspection of devices, components though only one 18 is shown, and a roof assembly 20.