Cab torsion preventing structure of truck

Details Cab torsion preventing structure of truck Cab torsion preventing structure of truck

2000-12-04

2002-06-11

Pape, Joseph D. (Department: 3612)

Land vehicles: bodies and tops

Bodies

Camper

C296S203020, C296S190050, C296S029000

Reexamination Certificate

active

06402226

ABSTRACT:

CROSS-REFERENCE TO RELATED APPLICATION(S)
This application claims priority of Korean Patent Application No. 99-64681, filed on Dec. 29, 1999.
BACKGROUND OF THE INVENTION
The present invention relates to a torsion preventing structure, and more particularly to a cab torsion preventing structure of a truck adapted to improve the resistant strength of a head lamp support panel and wheel housing comprising the cab of truck.
DESCRIPTION OF THE PRIOR ART
Generally, a truck consists of a cab comprising a driver's seat and a cargo box for loading cargoes.
As depicted in
FIG. 3
, the cab and the cargo box are accommodated to a frame (not shown), where engine, transmission, suspension and the like are all supported to the frame. A cab
52
is mounted on a floor
51
sitting on a frame
50
and the cab
52
includes a wheel housing
53
, a head lamp support panel
54
and the like.
The wheel housing
53
and the head lamp support panel
54
are welded, and as shown in
FIG. 4
for illustrating that the head lamp support panel
54
and the wheel housing
53
are connected by welding while a bumper is removed from “A” section of
FIG. 3
, the head lamp support panel
54
is welded thereunder to a longitudinal end of flange
55
while the head lamp support panel
54
is connected at both sides thereof by a front end cross member
56
.
At this location, the head lamp support panel
54
and the front end cross member
56
are formed in plate shape as they do not receive heavy load, however, the wheel housing
53
is formed in a “∩” cross-sectional shape to improve strength because the housing
53
receives the shock directly from load of the cab
52
and roadbed.
Of course, the front end cross member
56
, the head lamp support panel
54
and the wheel housing
53
are welded while they are mutually overlapped, such that the load and torsional moment applied to the connected region from the wheel housing
53
are dispersed and absorbed.
However, there is a problem in that a simple construction connecting the wheel housing and the head lamp support panel cannot fully absorb and disperse load or torsional moment applied to the wheel housing through tires and axles from the load of cab and the roadbed, resulting in cracks and the like at the connected region.
There is another problem in that increasing the thickness of the wheel housing and head lamp support panel for preventing the cracks and the like only increases truck weight and manufacturing cost.
SUMMARY OF THE INVENTION
The present invention is disclosed to solve the aforementioned problems and it is an object of the present invention to provide cab torsion preventing structure of a truck constructed to prevent the generation of cracks at a connected area between a wheel housing and a head lamp support panel without recourse to increasing the thickness at the wheel housing and the head lamp support panel.
In accordance with the objects of the present invention, there is provided a cab torsion preventing structure of truck, the structure including a cab perpendicularly combined head lamp support panel and wheel housing, the structure comprising of a reinforcing material, one side of which being combined to an inner surface of the wheel housing and the other side being coupled to the head lamp support panel, thereby forming a closed space at a connected area between the head lamp support panel and the wheel housing for dispersion of load.


REFERENCES:
patent: 5011201 (1991-04-01), Takahashi et al.
patent: 5303973 (1994-04-01), Fuji
patent: 5560674 (1996-10-01), Tazaki et al.
patent: 5597198 (1997-01-01), Takanishi et al.
patent: 5743590 (1998-04-01), Baumann
patent: 6145923 (2000-11-01), Masuda
patent: 404059489 (1992-02-01), None
patent: 1409513 (1988-07-01), None

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