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June 8, 1948-
Filed May 17, 1947
‘9 2|
Patented June 8,1948
2,442,745 -
Frank M. Alexander, Denver, Colo.
Application May 17, 1947, Serial No. ‘748,699
1 Claim. (Cl. 215-63)
This invention relates to improvements in milk
bottle closures and has reference more particu
larly to a readily attachable and detachable clo
sure device that can be quickly applied after the
regular pasteboard cap has been removed.
It is the object of this invention to produce a
simple assembly that can be readily maintained in
sanitary condition and which will provide an
effective closure for the bottle.
A further object is to produce a device of the
type mentioned in which the metal parts can be
constructed from wire 50 as to reduce the cost of
the material to a minimum.
A further object of this invention is to pro
duce a device for the purpose mentioned that can 15
be readily adjusted to ?t bottles of different sizes.
Another object of the invention is to produce
a device of such construction that it can be
nection with milk bottles of this type; such milk
bottles, when they are prepared at the dairy, are
provided with a, pasteboard disk that ?ts into the
rabbet I2. The housewife, upon receiving the
milk bottle, must, of course, remove the paste
board disk or closure in order to obtain access to
the milk. Such closure disks are di?icult to re
move and after they have once been removed,
it is very hard to replace them, with the result
that milk bottles are often left uncovered while '
standing in the refrigerator. Milk has the prop
erty of absorbing flavors from other foods and
it is therefore quite necessary to keep the bottle
sealed while it is in the refrigerator and this is
doubly desirable if the bottle is kept outside.
This invention, as above pointed out, relates
to a simple attachment that can be readily ap
plied to a milk bottle for eifecting a closure
The invention consists of a metal frame com
readily moved to cover opening position and re
tained in that position while the milk is poured 20 prising two parts, one of the parts is provided with
from the bottle.
two curved arms l3, that are interconnected by a
A still further object is to produce a closure
U-shaped loop comprising upwardly extending
memberiof such construction that it can be readily
portions l4, connected at their tops by a trans
formed at a minimum cost and which can be
verse portion l5 which serves as a pivot for the
quickly applied to and removed from the metal 25 cover carrying lever which will now be described.
The lever has been shown as formed from steel
Another object is to produce an invention of the
wire and is bent double from the point designated
class described in which the closure member can
by reference numeral l6. Intermediate its ends
be readily and quickly adjusted relative to the
the two ‘wires are curved around the transverse
metal frame so as to permit minor necessary ad
pivot 15, forming bearing loops like those desig
justments to be made, due to slight variations in
nated by reference numeral IT. The ends 18 then
the size and thickness of the bottles.
project forwardly in spaced parallel relation. The
The above and other objects that may appear
handle l6a is preferably curved and downwardly
as the description proceeds are attained by means
inclined in the manner shown in Figure 1. The
of a construction and an arrangement of parts 35 closure proper consists of a disk l9, which may
that will now be described in detail, and for this
be made from suitable vulcanized rubber com
purpose reference will be had to the accompany
position, and is of a size to ?t the milk bottle
ing drawing in which the invention has been il
rabbet I2. It may be stated here that although
lustrated, and in which:
40 milk bottles of this type may vary as to capacity
Figure 1 is a side elevation of a portion of a
milk bottle showing my improved closure in place
thereon, a portion of the bottle being broken away
from half a pint to half a gallon or more, the
neck i". so formed that the standard pasteboard
closure will ?t all sizes, the closure disk there
to better disclose the construction;
fore, is merely cut to the size of the ordinary
Figure 2 is a top plan view;
pasteboard disk. In order to e?ect a ready at
Figure 3 is a side elevation looking from left to 45
tachment of the closure disk [9 with the ends
right in Figure 1;
l8, it is provided on its upper surf-ace with a
Figure 4 is a perspective view of the closure
projection 20 which has been shown as of rec
assembly; and
Figure 5 is a section taken on line 5-5, Figure 4.
tangular shape, but which may be round, if de
This projection is provided with two holes
In the drawing reference numeral ll) designates 50
an ordinary glass milk bottle of an ordinary size.
Such bottles are provided near the top with an
2| for the reception of ends H3, in the manner
shown quite clearly in Figures 1, 2 and 4. Since
the closure disk I!) is connected with the ends
I 8 in such a manner that it can be adjusted longi
enlargement H forming the outer surface of the
bottle neck and this is provided interiorly with a
tudinally, it becomes possible to e?ect such small
rabbet l2, all ‘as is usual and well known in con 65
adjustments as are found to be necessary in
changing from one type of bottle to another.
It has already been pointed out that, although
the ‘bottles may vary somewhat in size and thick
ness of material, the diameter of the rabbet l2
remains the same. However, due to the di?erent
thicknesses of the part designated by reference
numeral l I, and due to di?'erences in diameter
of the neck portion, it becomes necessary to ad
material that the parts may be readily sterilized
by immersing. them in boiling water and can
therefore be readily maintained in sanitary con
Due to the weight of the closure, disk l9 and
the end portions l8, the cover will automatically
assume a closed position when at rest and this
obviates the necessity of providing springs for
just the- closure #9! when changing from; one size, 10 moving it to and holding it in closed position.
When the diameter of the closure disk I! has been
of bottle to another, and this can be readily done
with the construction that has just been de
properly selected, a slight downward push ex
beyond the diametrical plane to which they are
as new
erted on the disk will cause it to snap into the
scribed, and which is therefore considered to be '
rabbet and it will be held in closed position
an important feature. Arms l3 are of such;
by, the friction thus provided.
length that they extend a substantial distance .15
Having described the invention what is claimed
perpendicular and therefore serve; to- hold the "
attachment in place. The whole attachment can,
A milk bottle closure comprising, a spring jaw
adapted to be placed on and removed from the
however, be readily removed by merely exerting
a. force tending to move it relative to the bottle 20 neck‘ of'a milk bottle by a transverse movement,
the jaw having the central portion thereof formed
in the direction of the handle‘ [6a.
into an upwardly extending loop whose top is
Attention is, called to the, position and shape
straight, forming a pivot, a closure
of the handle which has been shown in Figure 1-.
operating lever pivoted intermediate its ends on
The position of the handle is such that when
the bottle is grasped for the purpose of pouring 25 ‘the top of the loop, the lever comprising two
angularly related arms; one of which normally
mill: therefrom, the handle is moved inwardly
extends over the bottle forming a closure ‘sup
towards: the dotted line and, opens the, cover so
as-to permit a free- discharge of the bottle contents.
In, Figure 5 a cross, section of one form of
port, a closure disk secured to- the last men
tioned arm, the other arm- inclining downwardly
in spaced angular position with respect to the
closure has been shown. From this ?gure it will 30 .outer surface of a bottle when the closure is in
place, forming a handle, means for securing the
closure to the arm that extends over the bottle,
comprising means permitting the closure to be
adjusted along the arm to compensate for varia
to ?t‘ the.- opening 22. By assembling the two 35 tions
in bottle design.
parts into the shape shown in Figure 5 and‘ pro
v-idingy'ru-bber cement between the surfaces the
be seen that- the disk 19 may be cut from, a sheet
and ,rmovided~ with a concentric opening 22. Pro
jection 201 may be provided with a cylindrical
extension. or' plug 23 that is of the proper size
two parts will form a substantially integral as
Of course it is immaterial so far as this
invention is concerned how the closure is made. 40 7 The following references are of record in the
?le of this patent:
However, it is considered to be a matter of im
portance that the closure shall have on its upper
surface a projection of sui?cient thickness to per‘
mi-t the ends M‘ to be inserted into holes 2|’.
Hoefer ____________ __ Oct. 6-, 1914
The closure assembly that has just been de- 45 1,113,119
Chenette ________ __ Sept. 28, 19-15
scribed is of a simple construction and‘ of‘ such
Waters ____________ __ Feb. 1-5', 1916
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