close

Вход

Забыли?

вход по аккаунту

?

Патент USA US3073514

код для вставки
Jan. 15, 1963’
R. L. GR‘EENE ETAL
3,073,504
SELF-LOCKING TRAY
Filed May a, 1961
INVENTORS
RALPH L. aka-M! 4‘
BY CLAPENCEC. w/u wmm
J. E‘ TE/GLAND 4?
w. A. SCHA/d‘H
ATTQRNEY:
United States Patent O?ice
3,073,504
Patented Jan. 15, 1963
1
2
3,073,504
and out of place to permit the tray to be easily assembled
and disassembled.
Various pedestrian modi?cations may be used to adapt
SELF-LOCKING TRAY
Ralph L. Greene and Clarence C. Willwerth, Jackson
tray of our invention to specialized uses. For ex
ville, Fla., assignors to Owens-Illinois Glass Company, 5 the
ample, the side walls may be outwardly or inwardly
sloped if desired. Also, the outer panels 18 can be slit
Filed May 8, 1961, Ser. No. 108,625
through their midsections to retain a conventional di~
6 Claims. (Cl. 229—34)
a corporation of Ohio
vider.
It will, of course, be understood that various details
This invention relates generally to containers and more 10
of construction may be ‘modi?ed through a wide range
particularly to a self-locking tray.
without departing from the principles of this invention,
Self-locking trays ?nd utility in many applications,
and it is not, therefore, the purpose to limit the patent
such as in the packaging of fruit or as tote boxes in retail
granted hereon otherwise than necessitated by the scope
stores. They are especially useful where a container
of the appended claims.
must be erected in ?eld or on the job where no auxiliary 15.
We claim:
fastening means, such as tape or staples, are available.
1. A self-locking tray comprising, a bottom panel, two
It is also desirable that the trays be capable of being
pairs of opposed upstanding side walls foldably secured
knocked down and reassembled.
to said bottom panel, two pairs of end ?aps foldably
Accordingly, it is an object of our invention to provide
secured
along ?rst score ‘lines to the marginal edges of
a sturdy, economical self-locking tray.
20
one of said pairs of opposed side walls, said end flaps
Another object of our invention is to provide a self
being folded normal to their associated side wall to lie
locking tray which may be easily and quickly assembled,
parallel
to the adjacent side wall, each of said side Walls
knocked down, and reassembled.
having an outer ?ap foldably attached to its outer free
The speci?c nature of this invention, as well as other
edge, said outer ?aps being reversely folded to lie parallel
objects and advantages thereof, will become apparent to 25 with
their respective side walls, depending tabs formed
those skilled in the art from the following detailed de
on said reversely folded outer ?aps along the marginal
scription, taken in conjunction with the annexed sheets
edges thereof, and a pair of parallel slits extending trans
of drawings on which, by way of example only, the pre
versely across said ?rst score lines, to thereby de?ne bands
ferred embodiment of this invention is illustrated.’
30 having their ends foldably attached to said side walls and
In the drawings:
end ?aps, said bands being arranged to receive said tabs
FIG. 1 is a plan view of the blank used to form the
and lock said outer ?aps in place.
tray of our invention;
2. The tray as de?ned in claim 1, wherein each of said
FIG. 2 is a perspective view of the tray partly as
bands is su?iciently long to receive a pair of tabs.
sembled; and
3. A self-locking tray comprising, a bottom panel, two
35
FIG. 3 is a perspective view of the tray assembled.
pairs of opposed upstanding side walls foldably secured
Referring to FIG. 1, the blank 10, which is used to
to said bottom-panel, four end ?aps, each of said end
form the container of our invention, is preferably formed
?aps being ‘foldably secured ‘along ?rst score lines to the
of a foldable sheet-like material that is relatively resilient,
marginal edge of one of said side walls, said end flaps
such as corrugated paperboard or the like.
being folded normal to their associated side wall to lie
The blank 10 comprises a bottom panel 11 which has 40 parallel to the adjacent side wall, outer ?aps foldably
foldably secured thereto along score lines 12 two pairs
attached to the outer free edges of each of said side walls,
of opposed side walls 13 and 15, and 14 and 16, respec
said outer ?aps being reversely folded to lie in face-to-face
tively. Each of the side walls has foldably secured there
contact with said end ?aps, depending tabs formed on said
to along score lines 17 outer panels 18. Each of the
45 outer panels along the marginal edges thereof, and a pair
outer panels '18 has formed therein a pair of generally
of parallel slits extending transversely across said ?rst
U-shaped notches 19. The notches 19 are ‘formed in the
score lines, to thereby de?ne ‘bands having their ends
outer free edges of the outer panels 18 and are adjacent,
foldably attached to said side walls and end ?aps, said
but spaced from, the marginal edges of the outer panels,
bands
being arranged to receive said tabs and lock said
to thereby de?ne tabs 20.
50 outer ?aps in place.
End ?aps 21 are foldably secured along score lines 22
4. A self-locking tray comprising, a bottom panel, two
to the marginal edges of an opposed pair of side walls
pairs
of opposed upstanding side walls foldably secured
14 and 16. A pair of parallel slits 23 are formed in the
to the marginal edges of said bottom panel, en-d ?aps
blank 10. The slits 23 extend across and are transverse
foldably secured along ?rst score lines to the marginal
to the score lines 22. The slits 23 de?ne bands 24 which 55 edges of said side walls, said end ?aps folded normal to
are twice as long as the tabs 20 are wide and which are
their attached side wall to lie parallel to the adjacent side
foldably attached, at either end, to their respective side
Wall, each of said side walls having a pair of tabs foldably
panels and end ?aps.
.
attached thereto, said tabs being reversely folded to lie
In assembly, the side walls are folded normal to the
parallel to their attached side wall and depend down
bottom panel 11. The end ?aps are folded normal to 60 wardly, and a pair of parallel slits extending transversely
their associated side Wall and parallel to their respective
across said ?rst score lines, to thereby de?ne bands hav
adjacent side walls. The bands 24 are then snapped out
ing their end foldably attached to said side walls and end
wardly to extend away from the flaps and Walls to which
?aps, said bands being adapted to receive said tabs.
they are foldably attached. The outer panels are in
5._A tray as defined in claim 4, wherein said tray is
wardly folded to lie parallel with their associated side 65 formed
of a foldable, relatively resilient sheet-like mate
walls, with the tabs 20 extending within the opening
rial.
formed by the bands 24. The bands are then snapped
6. A self-locking tray comprising, a bottom panel hav
inwardly to lock the outer panels 18 in place. The side
ing a polygonal con?guration, side wall panels ‘foldably
panels remain erect because the end panels 21 are trapped
connected to the edges of said bottom panel, said side
between the side walls and the outer panels. When the 70 wall panels folded into upstanding relationship and ar
blank 10 is formed of corrugated paperboard or the
ranged to de?ne a continuous side wall for said tray, a
like, the bands 24 are su?iciently resilient to snap into
plurality of end ?aps, one of said end ?aps being dis
3,073,504:
posed at the juncture of each pair of adjacent side wall
panels, said end ?aps being parallel to one of an adjacent
pair of side wall panels and foldably connected to the side
edge of the other of said adjacent pair of side wall panels,
lbands formed by a pair of slits extending across the
foldable connection of said end flaps to their respective
side wall panel, and tabs foldably attached to said one
of an adjacent pair of side wall panels, said tabs extend
ing through said slits to lie between said bands and end
?aps, thereby maintaining said side wall panels in said
upstanding relationship.
References Cited in the ?le of this patent
UNITED STATES PATENTS
1,639,793
2,412,402
Beyer _______________ _.. Aug. 23, 1927
Huye _______________ __ Dec. 10, 1946
Документ
Категория
Без категории
Просмотров
0
Размер файла
252 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа