U.S. patent application number 11/883312 was filed with the patent office on 2009-12-03 for combined and upright file storage cabinet.
Invention is credited to Luhao Leng.
Application Number | 20090295261 11/883312 |
Document ID | / |
Family ID | 34774078 |
Filed Date | 2009-12-03 |
United States Patent
Application |
20090295261 |
Kind Code |
A1 |
Leng; Luhao |
December 3, 2009 |
Combined and Upright File Storage Cabinet
Abstract
A folding chair, including a first folding support and a second
folding support, the first folding support includes a first front
leg, a first back leg and a seat, the upper-end of the first front
leg is pivotally connected to the lateral front-end of the seat,
the first front leg is pivotally cross-linked with the first back
leg, the lateral side of the seat is slidably and pivotally
connected to the first back leg; the second folding support
includes a second front leg, a second back leg and a second
horizontal bearing-rod, connection of the second folding support is
similar to that of the first folding support.
Inventors: |
Leng; Luhao; (Fujian,
CN) |
Correspondence
Address: |
GREER, BURNS & CRAIN
300 S WACKER DR, 25TH FLOOR
CHICAGO
IL
60606
US
|
Family ID: |
34774078 |
Appl. No.: |
11/883312 |
Filed: |
April 6, 2005 |
PCT Filed: |
April 6, 2005 |
PCT NO: |
PCT/CN05/00450 |
371 Date: |
July 27, 2007 |
Current U.S.
Class: |
312/265.5 ;
312/257.1 |
Current CPC
Class: |
A47B 47/04 20130101;
A47B 67/04 20130101; A47B 88/941 20170101 |
Class at
Publication: |
312/265.5 ;
312/257.1 |
International
Class: |
A47B 63/06 20060101
A47B063/06; A47B 47/00 20060101 A47B047/00 |
Foreign Application Data
Date |
Code |
Application Number |
Apr 6, 2004 |
CN |
200420039920.6 |
Claims
1. A combined and upright file cabinet, comprising: a file cabinet
body including an apical plate and a lateral plate and a backboard,
a plurality of drawers which moveably link with the file cabinet
body, said file cabinet body and drawers are partly or all plastic
composite boards, the connections of each said parts of the file
cabinet are knock-down; said plastic composite board has a
faceplate, a soleplate, a perforated plate and a liner; the
perforated plate is filled between the faceplate and the soleplate,
the liner is sandwiched between the faceplate and the soleplate,
and the liner entirely or interval partly covers the perforated
plate along the periphery of the perforated plate.
2. The combined and upright file cabinet according to claim 1,
wherein the mutual connections of the plastic composite boards of
the file cabinet body are a knock-down hanging connection; said
every two plastic composite boards are a hanging connection: a
first plastic composite board at least having a pair of sides
inside embedded with liner as reinforcement pieces, a second
plastic composite board at least having a pair of sides inside
embedded with the liner as reinforcement pieces, and the side
reinforcement piece of the connection of the first plastic
composite board and the second plastic composite board has a buckle
hole outside of the first plastic composite board, accordingly the
reinforcement piece of the second plastic composite board has a
fastener protruding outside of the second plastic composite board;
the first plastic composite board fixedly connects with the second
plastic composite board by buckling the fastener into the buckle
hole.
3. The combined and upright file cabinet according to claim 2,
wherein said four sides of the lateral plate of the file cabinet
body are all embedded with liners as reinforcement pieces to form
reinforcement frame, which has several reinforcement poles in
landscape orientation; runners are installed on the transverse
reinforcement poles.
4. The combined and upright file cabinet according to claim 1,
wherein both the faceplate and the soleplate of said plastic
composite board are plastic combined boards of vacuum molding, the
superposition sides of the faceplate and the soleplate are located
on the side of the plastic composite board, the superposition side
of the faceplate and the soleplate connect with each other by
jointing or gluewater; the plastic composite board is filled with
paper honeycomb core or plastic honeycomb core or epispastic
stuffing; or both the faceplate and the soleplate of the plastic
composite board are plastic pieces, the circumferences of the
faceplate and the soleplate are enwraped by enveloping regulas, the
plastic composite board is filled with paper honeycomb core or
plastic honeycomb core or epispastic stuffing; or both the
faceplate and the soleplate of the plastic composite board are
single layer or multi-layer plastic boards made by vacuum molding,
the thickness of the plastic board is in the range of 0.3 to 4
mm.
5. The combined and upright file cabinet according to claim 4,
wherein the surfaces of the faceplate and the soleplate of said
plastic composite board are printed with a printing layer of grain
of wood or marbling or complexed with a film layer of grain of wood
or marbling.
6. The combined and upright file cabinet according to claim 2,
wherein the reinforcement pieces embedded into the plastic
composite board are pipe fittings, extrusion shaped materials,
injection molding pieces or hardware complex pieces.
7. The combined and upright file cabinet according to claim 2,
wherein the fasteners of the second plastic composite board fixedly
connects with the reinforcement piece embedded into the second
plastic composite board by jointing or a rivet or a screw
thread.
8. The combined and upright file cabinet according to claim 2,
wherein said fasteners are plastic hooks, L-shaped metal pieces,
L-shaped sheet pieces or ladder-shaped pins; said buckle holes are
rectangle holes or oblong holes or ladder holes; the fasteners
correspond with the buckle holes.
9. The combined and upright file cabinet according to claim 8,
wherein the fixed connection of the first plastic composite board
and the second plastic composite board is "L" shaped, "T" shaped or
"-" shaped.
10. The combined and upright file cabinet according to claim 1,
wherein said drawer is made up of five plates: a bottom side plate,
a left side plate, a right side plate, a front side plate and a
back side plate; said every two side plates are of a hanging
connection: the first side plate has a fastener and the second side
plate has a buckle hole to accept the fastener; the drawer is made
up of the bottom side plate, the left side plate, the right side
plate, the front side plate and the back side plate by the
fasteners hanging into the buckle holes.
11. The combined and upright file cabinet according to claim 10,
wherein said front side plate is plastic composite board.
12. The combined and upright file cabinet according to claim 1,
wherein said drawer is made up of five plates: a bottom drawer
plate, a left drawer plate, a right drawer plate, a front drawer
plate, a back drawer plate; two front insert-meet pieces are
installed at two sides of the inner side of the front drawer plate,
two back insert-meet pieces are installed at two sides of the inner
side of the back drawer plate; correspondingly insert-meeted pieces
are installed at an end side of each of the left and the right
drawer plates; the left drawer plate and the right drawer plate
fixedly connect with the front drawer plate and the back drawer
plate by insert-meet pieces inserting into insert-meeted pieces;
the downside of the inner side of the left drawer plate and the
right drawer plate has fixed troughs, the outside has runners; the
bottom drawer plate fixedly connects with the left drawer plate and
the right drawer plate by being inserted into the fixed
troughs.
13. The combined and upright file cabinet according to claim 12,
wherein said drawer plates are all plastic composite plates.
Description
TECHNICAL FIELD
[0001] The present invention relates to a file cabinet,
particularly to a combined and upright file cabinet constituted of
some plastic composite boards.
BACKGROUND OF THE TECHNOLOGY
[0002] File cabinet is widely used at offices, bedchambers and so
on because of its practicability. Existing file cabinets are mostly
made by wood, which wastes much wood and destroys environment. So
wood file cabinets are gradually replaced by plastic file cabinets.
Existing plastic file cabinets have disadvantages as follows:
firstly, plastic boards can not support great weight; secondly,
adopting solid plastic boards will waste materials and have great
weight; thirdly, file cabinets are no knock-down connection, which
have great cubage, low connection intensity and bad sight.
CONTENT OF THE INVENTION
[0003] The purpose of the present invention is to solve the
disadvantages of existing technology and to provide a combined and
upright file cabinet of high connection intensity and disassembly
and convenient connection.
[0004] The present invention adopts technical scheme as follows: A
combined and upright file cabinet, comprising a file cabinet body
constituted of an apical plate and a lateral plate and a backboard,
some drawers which moveably link with the file cabinet body. Said
file cabinet body and drawers are plastic composite boards; said
plastic composite board consists of a faceplate, a soleplate, a
perforated plate and a liner; the perforated plate is filled
between the faceplate and the soleplate, the liner is sandwiched
between the faceplate and the soleplate, and the liner entirely or
interval partly covers the perforated plate along the periphery of
the perforated plate.
[0005] The mutual connections of the plastic composite boards of
the file cabinet body are knock-down hanging connection; said every
two plastic composite boards of hanging connection: a first plastic
composite board at least having a pair of sides inside embedded
with liner as reinforcement pieces, a second plastic composite
board at least having a pair of sides inside embedded with liner as
reinforcement pieces, and the side reinforcement piece of the
connection of the first plastic composite board and the second
plastic composite board has buckle hole outside of the first
plastic composite board, accordingly the reinforcement piece of the
second plastic composite board has fastener protruding outside of
the second plastic composite board; the first plastic composite
board fixedly connects with the second plastic composite board by
buckling the fastener into the buckle hole.
[0006] Said four sides of the lateral plate of the file cabinet
body are all embedded with liners as reinforcement pieces to form
reinforcement frame, which has several reinforcement poles in
landscape orientation; runners are installed on the transverse
reinforcement poles.
[0007] The file cabinet of the present invention is constituted of
some hanging-connection plastic composite boards; the connection of
every plastic composite board is knock-down, it ties up little room
when in storage or transit. Reinforcement pieces are embedded into
the plastic composite boards, which have beautiful appearance and
are easy-machined and will not scrape users or their clothes. The
reinforcement pieces have fasteners or buckle holes, which has high
connection intensity. The first plastic composite board connect
with the second plastic composite board by the fasteners and the
buckle holes, which has high connection intensity.
[0008] Both the faceplate and the soleplate of said plastic
composite board are plastic combined boards of inhale molding, the
superposition sides of the faceplate and the soleplate locate on
the side of the plastic composite board, the superposition side of
the faceplate and the soleplate connect with each other by jointing
or gluewater; plastic composite board is filled with paper
honeycomb core or plastic honeycomb core or epispastic stuffing; or
both the faceplate and the soleplate of the plastic composite board
are plastic pieces, the circumferences of the faceplate and the
soleplate are enwraped by enveloping regulas, plastic composite
board is filled with paper honeycomb core or plastic honeycomb core
or epispastic stuffing; or both the faceplate and the soleplate of
the plastic composite board are single layer or multi-layer plastic
boards made by inhale molding, the thickness of the plastic board
is 0.3 to 4 mm. The plastic composite board of the invention has
beautiful appearance and high intensity and low weight and low
machining cost.
[0009] The surfaces of the faceplate and the soleplate of said
plastic composite board are printed with printing layer of grain of
wood or marbling or complexed with film layer of grain of wood or
marbling. Which is beautiful and easy-producing.
[0010] The reinforcement pieces embedded into the plastic composite
board are pipe fittings, extrusion shaped materials, injection
molding pieces or hardware complex pieces. Which is easy-machining,
low cost, high intensity and easy-connection.
[0011] The fasteners of the second plastic composite board fixedly
connects with the reinforcement piece embedded into the second
plastic composite board by jointing or rivet or screw thread. Which
is easy-machining and high intensity.
[0012] Said fasteners are plastic hooks, L-shaped metal pieces,
L-shaped sheet pieces or ladder-shaped pins; said buckle holes are
rectangle holes or oblong holes or ladder holes; fasteners
correspond with buckle holes. Which is easy-machining and has high
connection intensity.
[0013] The fixed connection of the first plastic composite board
and the second plastic composite board is "L" shape or "T" shape or
"-" shape. Which has high intensity.
[0014] Said drawer is made up of five plates: a bottom side plate,
a left side plate, a right side plate, a front side plate and a
back side plate; said every two side plates of hanging connection:
the first side plate has fastener and the second side plate has
buckle hole to accept the fastener; the drawer is made up of a
bottom side plate, a left side plate, a right side plate, a front
side plate and a back side plate by fasteners hanging into buckle
holes. which is easy-machining, has low cost and high connection
intensity.
[0015] said drawer is made up of five plates: bottom drawer plate,
left drawer plate, right drawer plate, front drawer plate, back
drawer plate; two front insert-meet pieces are installed at two
sides of the inner side of the front drawer plate, two back
insert-meet pieces are installed at two sides of the inner side of
the back drawer plate; correspondingly insert-meeted pieces are
installed at front end side of the left and the right drawer
plates; the left drawer plate and the right drawer plate fixedly
connect with the front drawer plate and the back drawer plate by
insert-meet pieces inserting into insert-meeted pieces; the
downside of the inner side of the left drawer plate and the right
drawer plate has fixed troughs, outside has runners; the bottom
fixedly connect with the left drawer plate and the right drawer
plate by inserting into the fixed troughs. The drawer of the
present invention is plastic composite board, which has high
intensity and low weight.
[0016] The present invention has virtues as follows: firstly, the
combined and upright file cabinet has high intensity and low weight
and low cost; secondly, the connection of every plastic composite
board has high intensity and is easy connection; thirdly, plastic
composite boards of the combined and upright file cabinet have high
intensity; fourthly, the connection of every plastic composite
board is knock-down, it ties up little room when in storage or
transit; fifthly, liners can be reinforcement pieces.
THE BRIEF INTRODUCTION OF THE ATTACHED DRAWINGS
[0017] FIG. 1 is the sketch map of three-dimensional structure of
embodiment 1;
[0018] FIG. 2 is the front perspective view of the embodiment 1
when drawers and the file cabinet body are closed;
[0019] FIG. 3 is the front perspective view of the embodiment 1
when drawers and the file cabinet body are open;
[0020] FIG. 4 is the sketch map of part section plane of plastic
composite board in embodiment 1;
[0021] FIG. 5 is the structural sketch map of apical plastic
composite board in embodiment 1;
[0022] FIG. 6 is the structural sketch map of bottom plastic
composite board in embodiment 1;
[0023] FIG. 7 is the structural sketch map of back plastic
composite board in embodiment 1;
[0024] FIG. 8 is the structural sketch map of lateral plastic
composite board in embodiment 1;
[0025] FIG. 9 is the left view of FIG. 8;
[0026] FIG. 10 is the sketch map of three dimensional structure of
drawer in embodiment 1;
[0027] FIG. 11 is the sketch map of three dimensional structure of
bottom side plate of the drawer in embodiment 1;
[0028] FIG. 12 is the sketch map of three dimensional structure of
back side plate of the drawer in embodiment 1;
[0029] FIG. 13 is the sketch map of three dimensional structure of
the left and right side plates of the drawer in embodiment 1;
[0030] FIG. 14 is the sketch map of three dimensional structure of
drawer in embodiment 2;
[0031] FIG. 15 is the sketch map of explosion diagram of drawer in
embodiment 2;
[0032] FIG. 16 is the sketch map of insert-meet piece of drawer in
embodiment 2;
[0033] FIG. 17 is the sketch map of insert-meeted piece of drawer
in embodiment 2.
EMBODIMENTS
Embodiment 1
[0034] A combined and upright file cabinet, as FIGS. 1 to 3,
comprising a file cabinet body 10 and three drawers 12, the three
drawers 12 moveably link with the file cabinet 10. The file cabinet
body 10 comprises an apical plastic composite board 14, a matched
bottom plastic composite board 16, a matched back plastic composite
board 18 and two matched lateral plastic composite boards 20. The
mutual connections of the five plastic composite boards 14,16, 18
and 20 are knock-down hanging connections.
[0035] As FIG. 4, the five plastic composite boards 14 and 16 and
18 and 20 all comprise a faceplate 22, a soleplate 24, a perforated
plate 26 and a liner 28. The perforated plate 26 is filled between
the faceplate 22 and the soleplate 24, the liner 28 is sandwiched
between the faceplate 22 and the soleplate 24, and the liner 28
entirely covers the perforated plate 26 along the periphery of the
perforated plate 26. Both the faceplate 22 and soleplate 24 are
plastic combined boards of inhale molding, the thickness of the
combined boards varies from 0.3 to 4 mm. The edge of the faceplate
22 extends downwards to form an upper wrapped edge 32; the edge of
the soleplate 24 extends downwards to form a nether wrapped edge
34; the inner side of the upper wrapped edge 32 conglutinates with
the outer side of the nether wrapped edge 34; namely the
superposition side 30 of the faceplate 22 and the soleplate 24
locates on the sides of the plastic composite boards 14 and 16 and
18 and 20. The outer surfaces of faceplates 22 and soleplates 24 of
the plastic composite boards 14 and 16 and 18 and 20 have printing
layers of grain of wood or marbling.
[0036] As FIG. 5, both sides of the apical plastic composite board
14 are inside embedded with first reinforcement pieces 36 as their
liners; both first reinforcement pieces 36 have two first buckle
holes 38 outside of the apical plastic composite board 14. The
first reinforcement pieces 36 are pipe fittings, extrusion shaped
materials, injection molding pieces or hardware complex pieces.
[0037] As FIG. 6, the four sides of the bottom plastic composite
board 16 are all embedded with second reinforcement pieces 40 as
their liners; both the left and the right second reinforcement
pieces 40 have first fasteners 42 protruding out of the bottom
plastic composite board 16. The back second reinforcement 40 of the
bottom plastic composite board 16 has two locating pins 58. The
second reinforcement pieces 40 are pipe fittings, extrusion shaped
materials, injection molding pieces or hardware complex pieces. The
first fasteners 42 are plastic hooks, L-shaped metal pieces,
L-shaped sheet pieces or ladder-shaped pins. The first fasteners 42
fixedly connects with the second reinforcement pieces 40 by
welding.
[0038] As FIG. 7, the four sides of the back plastic composite
board 18 are all embedded with third reinforcement pieces 44 as its
liners; both third reinforcement pieces 44 have two second
fasteners 62 protruding out of the back plastic composite board 18.
The underside of the back plastic composite board 18 has two
location holes 60 to accept the two two locating pins 58. The third
reinforcement pieces 44 are pipe fittings, extrusion shaped
materials, injection molding pieces or hardware complex pieces. The
second fasteners 62 are plastic hooks, L-shaped metal pieces,
L-shaped sheet pieces or ladder-shaped pins. The second fasteners
62 fixedly connects with the third reinforcement pieces 42 by
welding.
[0039] As FIG. 8, the four sides of the lateral plastic composite
board 20 are separately inside embedded with a fourth reinforcement
piece 46, a fifth reinforcement piece 50 and a sixth reinforcement
piece 54, to form reinforcement frame liner. The reinforcement
frame has three reinforcement poles 55 in landscape orientation.
The fourth reinforcement piece 46 has two second buckle holes 48
outside of the lateral plastic composite board 20; the fifth
reinforcement piece 50 has third buckle hole 52 outside of the
lateral plastic composite board 20; the sixth reinforcement piece
54 has two third fasteners 56. The fourth reinforcement piece 46
and the fifth reinforcement piece 50 and the sixth reinforcement
piece 54 are all pipe fittings, extrusion shaped materials,
injection molding pieces or hardware complex pieces. The third
fasteners 56 are plastic hooks, L-shaped metal pieces, L-shaped
sheet pieces or ladder-shaped pins. The third fasteners 56 fixedly
connects with the sixth reinforcement pieces 54 by welding. Three
runners 64 are fixedly installed on the reinforcement pole 55.
[0040] Faceplates 22 and soleplates 24 of the plastic composite
boards 14 and 16 and 18 and 20 also have paper honeycomb cores or
plastic honeycomb cores or epispastic stuffing except of
reinforcement pieces and liners 28.
[0041] Every buckle hole has suited structures with corresponding
fastener.
[0042] As FIGS. 1 to 3, the left and the right plastic composite
boards 20 fixedly connect with the apical plastic composite board
14 by four third fasteners 56 hanging into the four first buckle
holes 38. The bottom plastic composite board 16 fixedly connects
with the left and the right plastic composite boards 20 by two
first fasteners 41 hanging into the two second buckle holes. The
back plastic composite board 18 fixedly connects with the left and
the right plastic composite boards 20 by four second fasteners 62
hanging into four second buckle holes 48. The fixed connection of
every plastic composite boards shows L-shape.
[0043] As FIG. 10, the drawer 12 is made up of five plates: a
bottom side plate 68, left and right side plates 70, a front side
plate 72 and a back side plate 74. The five side plates are
connected with each other by hanging. The front side plate 72 is
plastic composite board, which has same structure with above
plastic composite board.
[0044] As FIG. 11, both left side and right side of the bottom side
plate have four fourth fasteners 76, the back side of the bottom
side plate 68 has three fifth fasteners 78.
[0045] As FIG. 12, the underside of the back side plate 74 has
three fourth buckle holes 80. The upper end of the back side plate
74 extents ahead to form a first orientation piece 82. The middle
part of the front end side of the back side plate 74 extends
downwards to form a second orientation piece 84. The left and the
right end sides of the first orientation piece 82 extend downwards
to form the third orientation pieces 86.
[0046] As FIG. 13, both the undersides of the left and the right
side plates 70 have four fifth buckle holes 88. Both the front
sides of the left and the right side plates 70 extend outside to
form joined piece 90. Both upper sides of the left and the right
side plates 70 extend outside to form L-shaped pieces 92. Two
L-shaped pieces 92 cooperate with the left and the right side
plates 70 to form runner. Both back sides of the left and the right
lateral plates 70 extend inside to form block piece 93. Both the
back side of the left and right lateral plates 70 extend ahead to
form fourth orientation piece 94.
[0047] As FIG. 10, the bottom side plate 68 fixedly connects with
the back side plate 74 by three fifth fasteners 78 buckling into
three fourth buckle holes 80. The left and the right side plates 70
fixedly connect with the bottom side plate 68 by fourth fastener 76
buckling into fifth buckle hole. The left and the right side plates
70 fixedly connect with the front side plate 72 by joined piece
90.
[0048] The fourth orientation piece 94 fixedly joints with the
third orientation piece 86. The back side of the back side plate 74
joints with the front side of the block piece 93.
[0049] As FIGS. 1 and 2 and 3 and 9, the inner side of the left and
the right plastic composite boards 20 have three runners 64. The
front side of the runners 64 have first idler wheels 66; the back
end of the runners 64 has a concave. Outside end of the left and
the right side plates 70 have second idler wheels. Cooperation of
the runners 64 and drawers 12 is known knowledge.
Embodiment 2
[0050] As FIGS. 14 to 17, the difference of the present embodiment
with the embodiment 1 is: drawer 5 is made up of five plastic
composite plates. The drawer 5 comprises bottom drawer plate 121,
left drawer plate 122, right drawer plate 123, front drawer plate
124 and back drawer plate 125.
[0051] The front drawer plate 124 comprises a faceplate, a
soleplate, a perforated plate and a liner. The perforated plate is
filled between the faceplate and the soleplate, the liner is
sandwiched between the faceplate and the soleplate, and the liner
entirely covers the perforated plate along the periphery of the
perforated plate. Two front insert-meet pieces 126 fixedly connect
with the liner of the front drawer plate 124. Left and right end of
the front drawer 124 extend backwards to form left and right
wrapped edges 241.
[0052] As FIG. 16, the front insert-meet piece 126 comprises a body
261; the left and the right oblong frame side of the body 261
extend ahead to form cooperation piece 262; the left and the right
sides of the cooperation piece 262 separately have five buckles
263. The body 261 comprises three fastness hole 264 which cooperate
with three fastness bolts. The front insert-meet piece 126 spirally
connect with the liner of the front drawer 124.
[0053] Both the bottom drawer plate 121 and the back drawer plate
125 comprise faceplate, soleplate, perforated plate and liner. The
perforated plate is filled between the faceplate and the soleplate;
the liner is sandwiched between the faceplate and the soleplate;
the liner entirely covers the perforated plate along the periphery
of the perforated plate. Two back insert-meet pieces 127 fixedly
connect with the liner of the back drawer plate by bolts. In
producing, firstly get faceplate and soleplate by suction molding,
then get the present plastic composite board.
[0054] The back insert-meet piece 127 comprises a body; the left
and right sides of back of the body extend backwards to form
cooperation piece; the left and right sides of the cooperation
piece have some buckles. The back insert-meet piece has the same
structure with the front insert-meet piece.
[0055] Both the left drawer plate 122 and the right drawer plate
123 comprise a faceplate, a soleplate, a perforated plate and a
liner. The perforated plate is filled between the faceplate and the
soleplate; the liner is sandwiched between the faceplate and the
soleplate; the liner entirely covers the perforated plate along the
periphery of the perforated plate. The front sides of the liners of
the left drawer plate 122 and the right drawer plate 123 have front
insert-meeted pieces 128; The back sides of the liners of the left
drawer plate 122 and the right drawer plate 123 have back
insert-meeted pieces 129. The front insert-meeted pieces 128 and
the back insert-meeted pieces 129 fixedly connect with the liners
by bolts. Both the front insert-meeted pieces 128 and the back
insert-meeted pieces 129 are sandwiched between the faceplates and
the soleplates.
[0056] As FIG. 17, the front insert-meeted piece 128 comprises a
bottom piece 281 and a lateral piece 282; the lateral piece 282
fixedly connect the edge of the bottom piece 281. The joint of two
lateral pieces 282 and the bottom piece 281 have five nicks 283,
which cooperate with buckles 263 of the front insert-meet piece
126. The underside of the front insert-meeted piece 128 has fixed
trough 284 for the bottom drawer plate 121; the out side of the
front insert-meeted piece 128 has path runner 285. The back
insert-meted piece 129 has the same structure with the front
insert-meeted piece 128. The underside of the outside of the left
drawer plate 122 has left runner; the bottom of the left drawer
plate 122 has left fixed trough 137.
[0057] The right drawer plate 123 has the same structure with the
left drawer plate 122, accordingly it has right runner 135 and
right fixed trough 138. The left runner and the right runner is
symmetrical.
[0058] The two sides of the bottom drawer plate 121 insert into the
bottom fixed troughs 137 and 138 of the right drawer plate 123 and
the left drawer plate 122; the right drawer plate 123 and the left
drawer plate 122 fixedly connects with the front drawer plate 128
by front insert-meeted piece 128; the right drawer plate 123 and
the left drawer plate 122 fixedly connects with the back drawer
plate 125 by back insert-meeted piece 129;
INDUSTRY PRACTICABILITY
[0059] Every parts of the present invention are knock-down hanging
connection, and are all or partly plastic composite boards, are
easy machining, simple assembly, has good industry
practicability.
* * * * *