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Патент USA US2137033

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Nov. 15, ‘1938.
v
A. sT. ARNAULD
2,137,033
SELF-LOCKING CONTAINER
Filed April 5, 1936
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ATTORNEY.
NOV- 15, 1938-
2,137,033
A. ST. ARNAULD
SELF-LOCKING CONTAINER
Filed April 3, 1936
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ATTORNEY.
Nov. 15, 1938.
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2,137,033
A. ST. ARNAULD
SELF-LOCKING
CONTAINER
Filed April 3, 193 6
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INVENTOR.
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Patented Nov. 15, 1938
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UNITED STATES PATENT OFFICE
2,137,033
SELF-LOCKING CONTAINER
Albert St. Arnauld, Detroit, Mich.
Application April 3, 1936, Serial No. 72,526
2 Claims.
My invention relates to improvements in a self
locking container for milk, groceries, and similar
(01. 232-41)
Fig. 21, an endview of the catch member dis
closed in Fig. 20; Fig. 22, an end view of the
materials and it is the principal object of my invention to provide such a container which auto5 matically locks itself upon the disposal of commodities therein so as to prevent subsequent unauthorized removal of the commodities.
It is a further object of my invention to provide improved means for locking such a container
10 against unauthorized entry together with means
for unlocking the mechanism.
These improvements are embodied in the
mechanism illustrated in the accompanying drawings, in which:--
catch member disclosed in Fig. 20; Fig. 23, a side
view of one of the brackets for supporting the
treadle of the lock operating mechanism dis- 5
closed in Figs. 8, 9 and 10; Fig. 24, a bottom view
of the bracket disclosed in Fig. 23; Fig. 25, a side
view of the pedal crankshaft of the lock operat
ing mechanism disclosed in Figs. 8, 9 and 10.
“Similar numerals refer to similar parts 10
throughout the several views.
Figure 1 discloses one of my self locking con
tainers A installed in a building structure I, such
as‘ a residence or similar building structure, to
15
Figure 1 is a side View of my self locking container installed in a house or similar building
permit such commodities as milk, groceries, or 15
similar goods, to be delivered to the inmates of
structure and adjacent a door thereof; Fig. ‘2, a
the residence or similar building structure with»
side View of the self locking container with its
door in an open position; Fig. 3, a sectional view
20 of self locking container taken on the line 3-3,
Fig. 2, said sectional view disclosing said door
out danger of having the commodities unlawfully
removed or stolen from the self locking con
tainer A.
20
in a closed position; Fig. 4, a sectional view of
The self locking container A is disclosed as
being installed ‘adjacent the casing 2 of the door
the self locking container taken on the line 4-4,
3 and positioned above the floor 4 of the porch
Fig. 3; Fig. 5, a partial sectional view of the self
26 looking container taken on the line 5-—5, Fig. 3;
Fig. 6, a partial sectional view of the self locking
container taken on the line B—6, Fig. 3; Fig. '7, a
partial sectional view of the self locking container taken on the line ‘|--—‘!, Fig. 6; Fig. 8, a par-
5, the construction of the self locking container
A, however, permitting its location at any de- 25
sired heighth or position relative to the building
structure I.
Also it is to be understood that the self locking
container A may be constructed and marketed as
_ 30 tial plan view of an alternative lock operating
an accessory unit or it may be constructed as an 30
mechanism for the container together with a
partial horizontal sectional view of the container; Fig. 9, a side view of the lock operating mechanism disclosed in Fig. 8; Fig. 10, an end view of
35 the lock operating mechanism disclosed in Figs. 8
and 9; Fig. 11, a side view of one of the brackets
for supporting a treadle crankshaft of the lock
operating mechanism disclosed in‘ Figs. 8, 9 and
10; Fig. 12, a plan view of the bracket disclosed
40 in Fig. 11; Fig. 13, an end view of the bracket
disclosed in Fig. 11; Fig. 14, a side view of the
lock plunger mechanism disclosed in Figs. 8, 9,
and 10; Fig. 15, a sectional view of the lock
integral part of a building structure, as desired.
The self locking container A is provided with
the .side walls 6 and 1, the bottom wall or floor
8, the upper wall 9, together with the outside
door I ll and the inside door I l.
35
The outside door 10 is connected to and sup
ported from the side wall 6 by the hinges I2, the
outside door I0 being accessible, from the out
side of the building structure I, to permit a milk
man, delivery man, or'similar operator to place 40
commodities in the self locking container A with
out bothering the inmates of the building struc
ture I.
_
plunger mechanism disclosed in Fig. 14, said sec-
45 tional view being taken on the line l5-—l5, Fig.
14; Fig. 16, a plan view of a bracket for supporting one end of the treadle crankshaft of the lock
operating mechanism disclosed in Figs. 8, 9 and
10; Fig. 17, a side view of the bracket disclosed
50 in Fig. 16; Fig. 18, a side view of a connecting
link of the lock operating mechanism disclosed
in Figs. 8, 9 and 10; Fig. 19, an edge view of the
connecting link disclosed in Fig. 18; Fig. 20, a
front View of a catch member of the lock oper55 ating mechanism disclosed in Figs. 8, 9 and 10;
_
The inside door II is connected to and sup
ported from the side wall 6 by the hinges 13, the 45
inside door H being accessible, from the interior
of the building structure I, to permit the in
mates thereof to remove the commodities, at
their convenience, from the self locking container
A and without leaving the building structure I.
50
The outside doors H and I2 may be construct
ed to extend for the total depth of the self lock
ing container A or they may extend for only a
portion of the depth of the self locking container
A in which case front and rear walls I4, 15 and 55
2
2,137,033
I8 will be respectively provided, as disclosed in
Figs. 2 and 4, with the door openings l6 and I1
therein, Fig. 4 omitting the inside door I I there
from.
The outside door I0 is provided with the handle
or knob I9 and the inside door I I is provided with
the handle or knob 28, said handles or knobs l9
and 28 extending through the doors and being
respectively riveted over as at 2| and 22.
The‘ outside door I0 is provided with the hous
due to the engagement of the boss 54 with the
plunger 24.
The arm 46 of the crank shaft 4| is pivotally
connected to the rod 48 at 51, the rod 48 being
further pivotally connected at 58 to the lower arm
of the bell crank 49.
The bell crank 49 is pivotally mounted on the
pin or shaft 59 and has its upper arm pivotally
connected at 60 to the rod 5|, the rod 5| being
pivotally connected at 6| to the latch plate 52.
ing 23 in which is slidably mounted the plunger
The latch plate 52 is provided with the slots 62
or catch 24, said plunger or catch 24 being actu
ated in one direction by the spring or resilient
for engaging the screws or rivets 62A which are
member 25, the plunger or catch 24 being provided
15 with the bevel or angular surface 26 together with
the shouldered portion 21 to limit the outward
movement of the plunger or catch 24 by suitable
engagement with a shouldered portion of the
housing 23 which is secured to the outside door In
20 by the rivets or bolts 28, the plunger or catch 24
suitably supported in the Wall portion I8 of the
self locking container A, the screws or rivets 62A
thus guiding the latch plate 52 in its movement.
The crank shaft 4| is further provided with the
bent arm portion 63 which is adapted to engage
the bottom wall 8 when the treadle 32 is in its
normal and uppermost position, thus insuring
that the treadle 32 will not move to a position 20
being disclosed, in Figs. 6 and '1, in its maximum
outward position.
above that disclosed in Fig. 4.
The outside door I0 is provided with the spring
The interior of the self locking container A is
divided into the two chambers 29 and 38 by the
25 wall or partition 3|.
The treadle or platform 32 is located in the
chamber 29 and is pivotally supported on the
bottom wall or floor 8 by the hinges 33, the
treadle 32 being disclosed in its normal position
30 at the uppermost end of its travel in Fig. 4, the
treadle 32 being normally maintained in its upper
most position by the spring or resilient member
34 which is provided with the cylindrical shaped
end 35 for slidably engaging the under side of the
35 treadle 32, the spring 34 being provided with a
flange 36 which is secured to the bottom wall 8 by
or resilient member 64 which is pivotally con—
the rivets or screws 31.
The treadle 32 is also provided with the bracket
38 which is suitably secured to the underside of
40 the treadle 32 and provides the opening 39 be
nected at 65 to the outside door I0 and at 66 to
the inside wall 6, thus causing the outside door I 8 25
to tend to always move to its closed position.
It is now to be noted that when the treadle 32
is pivotally moved downwardly from its position
as indicated by the full lines 32 to a position sub
stantially parallel with the bottom wall 8, the 30
latch plate 52 will move adjacent and under the
plunger 24 to lock the outside door In and to pre
vent its being opened from the outside of the self
locking container A and the building structure
and to thus operate the treadle 32 in its door
locking position, the milk man, delivery man, or
similar operator, will place an object on the
treadle 32 which by its weight will cause the
treadle 32 to move downwardly from its normal
position.
tween the bracket 38 and the treadle 32 for receiv
ing the curved end 48 of the crank shaft 4| which
Figs. 2 and 3 disclose bottles 61 as having been
‘placed on the treadle. 32 by themilk man, deliv
is rotatably mounted in the brackets 42 which are
ery man or similar operator.
secured to the bottom wall 8 by the rivets or
If more than one bottle of milk, such as 61, is
to be delivered to the inmate of the building then
45 screws 43.
The curved end 40 of the crank shaft 4| extends
through the opening 39 and is adapted to be
moved by the treadle 32 from the position as
indicated by the dotted lines 44 in Fig. 2 to the
50 position as indicated by the dotted lines 45 in
Fig. 2, the treadle 32 being moved from the posi
tion as indicated in Fig, 4 to a lowermost position
adjacent the bottom wall 8 of the self locking
container A, the curved end 40 tending to slide
55 longitudinally of the space 39 to accommodate
pivotal movement of the treadle 32.
As the treadle 32 is moving downwardly to move
the curved end 40 of the crank shaft 4| from the
position indicated by the dotted lines 44 in Fig. 2
to the position indicated by the dotted lines 45,
the arm 46 of the crank shaft 4| will move from
its position as indicated by the full lines in Fig. 2
to the position as indicated by the dotted lines 41
which will move the rod 48 and cause the bell
65 crank 49 to move from the position as indicated
by the full lines in Fig. 6 to the position indicated
by the dotted lines 50 in Fig. 6, which will in turn
cause the rod 5| to move the latch plate 52 from
the position as indicated by the full lines in Fig. 6
to the position as indicated by the dotted lines 53
in Fig. 6 and in which position the boss 54 of the
latch plate 52 will have been moved upwardly to
a position behind the end of the plunger 24 as
indicated by the dotted lines 56 in Fig. 6, thus
preventing the outside door I0 from being opened
additional bottles such as 68 or similar commodi
ties may be placed in the compartment 38 after
the outside door I0 has been opened, it being
always necessary, however, to place at least one
bottle 61 or similar unit on the treadle 32 so that _
when the outside door I0 is closed the lock mech
anism of the container A will be automatically
operated in its self locking operation.
The inmates of the building structure I may
readily open the inside door II to place empty
milk bottles in the chamber 30, the treadle 32,
however, being left free of any milk bottles 61 or
similar commodities so that the outside door I8
may be opened, it being understood that the op
erator from the outside of the building will always
place one or more of the milk bottles 61 or simi
lar units on the treadle 32 to insure the con
tainer A being operated automatically to a self
locking position as above described.
Figs. 8, 9 and 10 disclose an alternative con (15
struction by means of which a treadle 69 maybe
utilized for automatically operating the self lock
ing mechanism of my invention.
The treadle 69 is_sim_ilar to/the treadle 32 but
is ?xedly mounted directly on the'crank shaft 18
by means of the hinged brackets 1| which are
suitably secured tgthe underside of the treadle 69
by the'screws or rivets 12,>the brackets 1| being
provided with the bosses 13 which are in turn
provided with the bores 14 for ?tting over the
2,137,033
crank shaft 10, the bosses ‘I3 being secured to the
crankshaft ‘I0 by the pins ‘HA.
Figs. 23 and 24 disclose one of the brackets "II
in detail.
around the crank shaft 10‘at points adjacent the
inside surfaces of the brackets ‘II, the coils of
the spring member I02 being extended to form
the arm I03 which engages the upper surface of
The crank shaft 10 is pivotally mounted in the
bores 15 of the bosses 16 of the brackets TI, one
of which is disclosed- in detail in Figs. 11, 12
and 13.
The brackets 11 are each provided with a ?ange
10 portion ‘I8 which are adapted to be secured to the
bottom wall 8 by the screws 19 extending through
suitable openings in the ?ange portions 18.
Also the brackets 11 are each provided with a
vflange portion 80 which extends upwardly at one
the bottom wall 8, the spring member I02 hav
ingits coils further'extended to form the arms
I04 which engage the underside of the treadle 69,
the resilient characteristics of the coils of the
spring I02 tending to always force the arms I04
15 side of the ?ange portion ‘I8, the ?ange portion
maximum downward position in which the feet or 15
block members IOI will engage the upper sur
face of the bottom wall 8.
8| having the angularly positioned surface 82 for
engaging the upper surface of the treadle 69 to
limit it in its maximum uppermost position as
disclosed in Fig. 10.
The crank shaft ‘I0 is retained longitudinally
20
in the bores 15 of the bosses ‘I6 of the brackets
11 by a nut 83 at one of its ends and by the curved
end 84 adjacent one side of the bracket 85 which
is provided with the bore 06 for further support
25 ing one end of the crank shaft ‘I0.
The bracket 85 is secured to the bottom wall 8
by the screws 86 which extend through suitable
openings in the ?ange portions 81 of the bracket
85, each of which is disclosed in detail in Figs. 16
30 and 1'7.
The crank shaft 10 is disclosed in detail in Fig.
In operation, the inmate of the building struc
ture will open the inside door II to place empty
milk bottles in the chamber 30 from where the
empty milk bottles are to be delivered to the
milk man or similar delivery man of similar com
modities, the inmate of the building structure,
however, taking care not to place any empty milk
bottles on the treadle 32 as disclosed in Figs. 2 25
and 3.
The milk man or delivery man is then free to
open the outside door I0 which will permit the
empty milk bottles 68 to be removed from the
chamber 30 and to be replaced by full milk bot
tles, as indicated at 68 in Figs. 2 and 3, the milk
man or delivery man taking care also to place a
90, the shouldered portion 89 being suitably
in Figs. 2 and 3 to operate the treadle 32 down
wardly from its position, as disclosed in Fig. 4 35
to a position adjacent the inner surface of the
bottom wall 8 which will in turn operate the
crank shaft 4| which, together with its opera
tively connected mechanism, will move the latch
member 52 upwardly so that it will extend be
tween the inside surface of the outside door I0
and the catch portion of the plunger 24 as dis
closed in Figs. 6 and 7 to automatically lock the
outside door I0 against unauthorized or unlawful
opening thereof to remove the milk bottles 68 45
The rod 90 is disclosed in detail in. Figs. 18
and 19.
The rod 90 is further provided with the bore
40 9| at its upper end for forming a pivotal con
nection at 92 with a latch plate I00 which is
adapted to be supported by the rivets or screws
62A, in a manner similar to that disclosed in Figs.
6 and 7, the latch plate I00 being provided with
45 the boss 54 for extending behind and engaging
the plunger 93 which is similar to the plunger 24,
the plunger 93, however, being provided with an
extension portion 94 which extends within and
supports one end of the spring or resilient mem
50 ber 95 which is retained at its other end by the re
cess 96 of the housing 91 which is secured to the
outside door I0 by the screws or rivets 28.
The plunger 93 is disclosed in its assembled
position within the housing 91 in Figs. 14 and 15.
Also one of the latch plates I00 is disclosed in
Figs. 20, 21 and 22, the latch plate I00 being pro
vided with the arm 98‘ having a bore 99 there
through for providing a bearing for the pivotal
connection disclosed at 92.
The treadle 69 is provided with feet or block
members IOI which are suitably secured to the
underside of the treadle 69, the feet or block
members IOI being constructed of material hav
ing resilient characteristics such as rubber or
65 similar material, the feet or block members IOI
being adapted to engage the upper surface of the
bottom wall 8 to limit the treadle 69 in its maxi
mum downward movement and to provide means
for supporting the treadle member 69 while it is
70 supporting one or more of the milk bottles 61 or
similar units as disclosed in Figs. 2 and 3.
.75
until the bottles 61 or similar units are placed on
the treadle 69 to cause it to pivotally move to its
25 and is provided with the shouldered portion 88
which may extend through the bore 89 of the rod
35 riveted over to provide a pivotal connection be
tween the crank shaft 10 and the rod 90.
55
away or in an opposite direction from the oppo
site arm I03, thus tending to always maintain the
treadle 69 in its maximum uppermost position
Also, to normally maintain the treadle 69 in
its maximum uppermost position as indicated in
Fig. 10, the spring or resilient member I02 com
prises a plurality of coils which are mounted
full milk bottle 6'! on the treadle 32 as indicated
or similar commodities.
In a similar way the milk bottles or similar
commodities are placed on the treadle 69 which
will operate the catch plate I00 to a position be
tween the plunger 93 and the inside surface of 50
the outside door I0 to eliminate unauthorized or
unlawful entry into the self locking container A
and removal of the full milk bottles 68 or similar
commodities therefrom.
55
I claim:
1. In a self locking container for receiving goods
in a building structure and provided with an out
side door, the combination of a plunger member
movably mounted in said outside door, a catch
plate movably mounted in said container and 60
adapted to engage said plunger member and to
lock said outside door against unauthorized open
ing, a pair of brackets and each provided with
stop bosses, a crankshaft rotatably mounted in
said pair of brackets, a treadle pivotally mounted 65
on said crankshaft and adapted to engage said
stop bosses of said pair of brackets, said treadle
being adapted to be actuated by the placement of
said goods thereon, a, resilient member provided
with coil portions surrounding said crankshaft, 70
said resilient member being provided with arms
for engaging said treadle and the floor of said
container, and a rod member pivotally connected ‘
between said crankshaft and said catch plate.
2. In a self locking container for receiving 75
4
2,137,033
goods in a building structure, and provided with
a crank arm, a plunger mounted‘ on said outside
an outside door, the combination of a treadle
door, a catch plate movably mounted and adapted
pivotally mounted in said container and adapted
to be actuated by the placement of said goods
thereon, resilient blocks mounts on said treadle
and adapted to engage the floor of said container
to support said treadle in its lowermost position,
a crankshaft rotatably mounted and supporting
said treadle, said crankshaft being provided with
to engage said plunger to lock said outside door
against unauthorized opening, said catch plate
being provided with a ?ange, and a rod pivotally
connected between said crank arm of said crank
shaft and ?ange of said catch member.
ALBERT ST. ARNAULD.
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