Static structures (e.g. – buildings) – Wall – ceiling – or floor designed for utilities
Reexamination Certificate
1999-11-30
2001-09-25
Friedman, Carl D. (Department: 3635)
Static structures (e.g., buildings)
Wall, ceiling, or floor designed for utilities
C052S126500, C052S220200, C052S220300, C052S263000
Reexamination Certificate
active
06293062
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to an incombustible fireproof network elevated floorboard in which the top face of each leg support is formed with multiple grooves and a thread hole and the fitting pad is fitted on the upper side of each leg support. Then by means of the multiple grooves and thread hole of the top face of the leg support, the base seat cover board can be assembled with leg support in a factory. In working site, the central cover board and the side cover board are quickly assembled with the base scat cover board and the respective leg supports. Therefore, floorboard can be easily and quickly assembled and provide a firm connecting effect and meet the requirement for fireproof regulation of buildings. The floorboard is applicable to various kinds of offices, residences, studios, stores or the like.
FIG. 1
shows a commercially available elevated floorboard structure, described in U.S. Pat. No. 5,904,015 of the inventor, which is composed of an elevated floorboard
10
, a connecting seat
11
, a wire channel seat
12
, a central cover body
14
and an elongated side cover body
15
which are assembled with each other. The periphery of the top face of the elevated floorboard
10
is formed with grooves
101
. The peripheries of the central cover body
14
and the metallic main cover board
13
are formed with downward extending engaging flanges
141
,
131
. Also, the long edges of the side cover body
15
are formed with downward extending engaging flange
151
for inserting into the grooves
101
. The leg sections
102
of the elevated floorboard
10
are fitted into the connecting seat
11
which is assembled with the wire channel seat
12
to form a network elevated floorboard structure with wire laying channel. The frame section
103
and leg sections
102
of the elevated floorboard
10
are integrally formed of plastic material. Such material is fireproof treated (that is, the so-called secondary fireproof) and is applicable to the general office building. However, such material still cannot meet the requirement for complete incombustibility of a skyscraper building.
SUMMARY OF THE INVENTION
It is therefore a primary object of the present invention to provide an incombustible fireproof network elevated floorboard in which the top face of each leg support is formed with multiple grooves and a central thread hole. A corresponding number of fitting pads are respectively fitted with the leg supports. Then the leg supports are assembled with the base seat cover board in a factory. In working site, the flanges of the central cover board and the multiple fixing plates of the side cover board are quickly assembled with the base seat cover board and the respective leg supports which have been already assembled in the factory. Finally, the assembly is connected with the connecting seat. Therefore, the present invention can be easily and quickly assembled and provide a firm connecting effect.
It is a further object of the present invention to provide the above fireproof floorboard in which the metallic leg supports have better heat-resistance so that the fireproof effect of the floorboard is enhanced and the safety can be greatly increased to meet the first grade fireproof standard of buildings.
It is still a further object of the present invention to provide the above fireproof floorboard in which the top face of the leg support is formed with multiple grooves, whereby the cover boards can be assembled with the leg support by various angles to increase the changeability of assembly.
According to the above objects, the incombustible fireproof network elevated floorboard of the present invention includes a base seat cover board, a central cover board, side cover boards, leg supports, fitting pads and a connecting seat. The leg supports are independently made of metallic material with a certain length. The top face of each leg support is formed with multiple grooves and a thread hole and the fitting pad is fitted on the upper side of each leg support. By means of the multiple grooves and thread hole of the leg support, the leg supports are assembled with the base seat cover board in a factory. In working site, the flanges of the central cover board and the multiple fixing plates of the side cover board are quickly assembled with the base seat cover board and the respective leg supports which have been already assembled in the factory. The present invention can be easily and quickly assembled to achieve a firm connecting effect and meet the requirement for incombustibility of skyscraper building.
The present invention can be best understood through the following description and accompanying drawings wherein:
REFERENCES:
patent: 5052157 (1991-10-01), Ducroux et al.
patent: 5090169 (1992-02-01), Takeda et al.
patent: 5434355 (1995-07-01), Sho
patent: 5459968 (1995-10-01), Jin
patent: 5628157 (1997-05-01), Chen
patent: 5630300 (1997-05-01), Chen
patent: 5673522 (1997-10-01), Schilham
patent: 5675950 (1997-10-01), Shilham
patent: 5848506 (1998-12-01), Kobayashi et al.
patent: 5904015 (1999-05-01), Chen
Bacon & Thomas
Friedman Carl D.
Nguyen Chi
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