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Nov. 12, 1946.
Filed Jan. 1, 1945
15 ‘ 134'
‘Patented Nov. 12, 1946
William ‘Hegener, Sarasota, Fla.
’ Application January 1, 1945, SerialNo. 57 0,827
11 Claims.
(01. 119-—'17)
This invention relates ftovanimal Cages chie?y
for the smaller species; of animals such as rodents,
though not con?ned thereto, and particularly for
such animals used by experts in pathological re
search and examinationvof animals for evidences
of disease, especially of rare and unusual infec
. ,
described and shown,»to effectually carry out the
purposes of the invention hereinabove outlined.
In the accompanying; drawing forming part, of
this speci?cation, in which like letters of refer
ence designate like parts in the several views:
Figure l is a longitudinal side elevation ofan
tious diseases, to hold and store the animals while
animal cage embodying my invention, with por
awaiting their turn, or to Watch them in the, de
tion of one side broken away near the frontpthe ,
velopment of conditions detected or suspected;
better to showthe construction.
and alsoused to convey them to other research 10 Figure a front elevation thereof.
centres forv additional scrutiny.
Figure 3 is a similar front elevation, with the
The primary object of my present invention ‘is
gate lifted and the cover of the food opening
to provide such a cage into which an animal may
be transferred, which has been captured iii-alive
Figure 4 is a similar viewwith the clamp for
catching trap such as decribed in companion ap- _ ‘15' locking the operating lever, pressed down in
plication for patent-?led, the same dayas this ap
place. .ln this ?gure and in Figure '3 the lower
plication,1by Gilbert S. ~Warner,,assignor to Wil
liam Hegener; it being my purpose by the inven
tion described and claimed in this application
hereinafterto, ?rst, render it easy to make‘the
part of ;the cage »is_ shown in outline, land the
hinged upper edge of-the gate is shown in simple
parallel lines instead of full network, both for
transfer from trapto cage with safety to the life
I Figure 5 is a slightly enlarged side elevation,
and health and nerves of the captive animal, I partly broken away, of a modi?ed formof the
without handling, with precautions against es
‘ cage, the entrance and gate being placed at’the
cape either during the transfer ,or afterward,
left of the cage, instead of’ at: the right, as in the
Further equally important objects are to provide 25 other ?gures, which position isoptional.
a simple, easily constructed means-for manipu
Figure 6 is a'detail of thefeedingtrough form
lating and holdingthegate of'the cage tohelp
ing part of the inventionasshown in Figure 5,
govern access andv ingress, thereto and egress
being a section-taken on the‘line 36-45 of Fig. 5,
therefrom, for doubly locking the gate :against
with all of the wallswof the cage removed'for
unintended freeing of theanimal by inadvertence
or accident, and providing also against chance
Figure 7 is a‘ detailqof the cage showingthe
overturn ofthe cage shaking loose the locking
food-opening in its ,roof,vwith the ‘clamp raised
means; in addition providing means for clamping
above it.
the locking devices ‘for this purpose and for
FigureS is a detail-of a‘ modi?ed form of- oper
transportation ofthe cageto a distance.
35 ating lever forming ,a mainpart ofthe invention.
It is moreover one of the principal objects'of
, In the practiceof my invention, Iconstruct a
my invention to facilitatethe maintenance and
cage 7! ,1 of a usual ;body,_rectangular in form, made
feeding of the animal in the cage, experience
of wire; netting of sufficiently strong material and
having shown myself and my associates that
any desired mesh, ‘with slanting or hip ‘roof ,2,
there vare certain individual and idiosyncratic
preferably slanted; on both sides, though- the, cage
habits or a variety ofv habits, traits and sensitivi
may be made i in ,, any shape suitable to its 1 pur
ties of practically all wild animals of’the rodent
pose,~wh_ich is generally that of_a transfer or
type, which present problems of nourishment. and
storage qeage, to which the animal :15 removed
indeed of surviva1,.dif?cu1t1to meet without spe
from the trap in Whichit'has, been caught previ
cial provisions based upon the physical, infra-1w45 ously. ,The page is formed with an, opening 3,
psychological or behavior characteristics encoun
tered, notably.theproneness of this type of ani
mals to‘ expire, in the storage cage‘ from fright ;or
in front, either at one side _of -_.s_ai_d front, or ex~
tending wholly across thefrontend ofzthe cage,
as shown in Figures 12,3 v~andrll. At'thejtop of‘ this
shock;.'and my invention embodies features espe
opening isghinged agate P4, whichl ‘make of‘v the
cially .devisedtoa?ord easy ‘and effective supply 50 same wire netting, but which may loesolid and
of suitablefood and drink to these animals,
of any material; desired. ‘The _hinges:15 may be no
1 *Withthese and other objects inwviewp my in
more than simple :wire' loops. > Thegate is deeper
vention consists in certain novel and‘effective ,de
than the height necessary, to closethe opening 3,
vices and construction-of the cageian'd its appur
- swings inwardly-only, and projectsydiagonally
: tenances and, mechanism as are hereinafter ‘fully 55 intothe cage, "asibest shown in {Figure 1, :where
it is drawn in heavy lines to show it in more dis
tinctive outline against the rest of the mecha
nism. Its lower edge rests upon the ?oor 6 of‘ the
sible movement, until the hooks are purposely dis
engaged. Above the food-supply opening 8 in the
hip roof, wherein this lever is inserted, I hinge
in the form of a ?ange or extension 1, ?rst ?at
upon the ridge of the roof a clamping cover M,
which I make of a curved, nearly flat plate of
metal with its upper edge turned into a hinge IS,
tened to rest on said ?oor 6 as a closure, and then
forwardly bent or curved just enough to clear the
?oor easily, and not catch in it even when
with a notch l6, which when the cover is down,
engages the shank of the lever 9 just above the
cage, which is of the same netting as its Walls,
and this lower inner edge of the gate is upturned
clamped down hard, as it may be by its locking
mechanism hereafter described.
In one side of the roof 2, near the front end of
the cage which carries the gate, I make a small
food-supply opening 8, at the apex of the rOOf at
one side, usually made by cutting just one bar
of a mesh-square of the netting, which will leave
an opening as large as two mesh-squares. In this
opening 8 I mount the operating lever 9, which
I form from a piece of stiff, stout wire or rod pli
able by instruments or tools, but retentive of
shape and substantial rigidity after being made,
and which may alternatively be cast or otherwise
the lower edge of the plate being centrally formed
hook-shoulder l3, and frictionally holds down the
cover thereby, while at the same time it provides
a third locking means, or clamping means for
clamping down the lever, the hook l3, the gate 4,
and the hook I9 correspondingly. In the form of
my invention so far shown, any provision may be
made for feeding the animal through dropping
food into the opening 8 in the roof, or a tray may
be slipped into the cage through the opening 3 in
front of the cage, or the special device shown in
Figure 5 may be employed.
In this Figure 5 I have shown a modi?ed form
of my invention, in which this special tray is in
serted and also is locked in by the operating lever.
manufactured. It is of a length to extend on
either a vertical or slanting line, from the por
This view, as stated, shows a portion of a cage,
?oor of the cage, preferably slanting or diagonal
lever is placed upon the left hand of the cage at
one end, instead of at the right, as the other ?g
tion of the hip-roof where it is inserted, to the 25 drawn somewhat larger, in which the operating
ly as shown, for the proper or more e?ective look
ures show, which of course is optional; the open
ing for which it is in chief part intended. At the
ing may be at either end of the cage, may extend
lower end of this lever is formed an integral hook
across the end thereof, or merely at the
or up-bend of the wire, In, which is adapted to 30 wholly
right side or left side of said cage, or in the centre.
hook into the wire mesh of the ?oor of the cage,
I have in this form, shown the cage mounted upon
as shown in Figures 1 and 2. Further up, this
longitudinal runners l'l, made of the same mate
, lever is provided with a loop H, which is wound
rial as the cage or otherwise as desired, holding
around part of the wire mesh of the gate 4 at a
the floor 6 above the surface on which the
point calculated to give good leverage for slight 35 up
cage rests. In the opening 3 I place a tray or
lift of the gate by the lever, and also at such a
feed-trough [8, shown in detail plan in Figure 6
point in its slanting position that it will leave the
and in side elevation in Figure 5. It is a. rectan
hook Ill engageable with the ?oor at the moment
gular pan with its rim-?ange 19 extended up
that the lever so hooked will press down on the
gate tightly, and the hook so caught in the floor 40 wardly on a diagonal line to form a raised front
wall 20, which runs up as high as the opening
will retain said gate securely. Further up still,
3, or nearly so, with just enough margin to clear
the' lever is formed or provided with a hook
the gate 4. The tray must be long enough
shaped locking shoulder [2, shown in Figures 2, 3
to‘ receive the gate and its inner end or ?ange 1,
and 4 as made by bending the wire or rod out~
and is slidable upon the ?oor 6 of the cage, which
wardly in a slight fold upon itself, with a down 45
?oor may be left of the same wire netting, or may
ward inclination, and at such a point upon the rod
be lined or replaced by sheet metal. The operat
or lever that when the gate is lifted to a horizon
ing lever 9 and its appurtenant parts are the
tal position, the hook or locking shoulder [2 will
same as in the other ?gures, except that I may
catch over the wire mesh of the hip-roof, and
optionally but not necessarily leave off the lower
hold said door open. At a slighter predetermined
hook l0, and as before, cause the lever 9 to bear
distance up, the lever or wire is again bent upon
down on the gate with its flange pressing on the
itself to form an almost identical hook or looking
’ tray Hi. This equally permits the locking-shoul
shoulder l3, but this one is curved upwardly in
der' l3 to lock the gate down, and also the cover
‘ stead of downwardly, being designed to catch un
der the wire, whereas the ?rst shoulder I2 is de 55 clamp It to clamp down upon said lever at said
hook I3, which likewise locks and clamps the tray
signed to catch over the wire, of the roof. The
at the same time as it locks and clamps the gate,
hook I3 locks the gate down against the ?oor, the
whether omitting or leaving on the lower hook
same as the lowest hook I!) does, but with a more
In. In this Figure 5, the clamping-cover I4 is
forcing and tightening pressure than the hook I0
below the ridge of the roof instead of di
can, since the latter must have at least enough
rectly upon said ridge. In Figure 8 I show a
play to permit it to be engaged into the ?oor as
modi?ed form of operating lever having the same
the gate is simultaneously lowered, but the upper
parts, but shaped and bent outwardly in a loop
hook ‘I3 is engaged with the roof after the gate
2|, forming the hooks I2 and I3 the same as be
is caught down initially, and it is easier to press,
down on the gate enough to hook in the upper 65 fore ‘and likewise, reversely curved.
The operation of the invention will readily be
hook l3 thereafter.
understood from the foregoing description taken
The remaining portion of the wire or rod mak
in conjunction with the drawing, and with a brief
ing the operating locking-lever 9 is turned into
explanation thereof. The animal having been
a loop or handle ISE, in which the ?nger may be
inserted, or which may be grasped by two or more 70 caught in a trap such as described and shown
in companion application for patent ?led the
?ngers externally. This handle is used to perform
same. day as this one by Gilbert S. Warner, as
all the manipulations of the lever, holding or lift
signor to William Hegener, in which the animal
ing, dropping or looking, and when the lever is
is trapped alive, and which employs a sliding
?nally locked ‘with the hook [0 in, and with the
hook 13 in, the handle lies secured free from pos 75 drop-door, or having been caught in any other
live-catchingv trap-of similar class .or kind, the
cage embodying the present invention is placed
end to end- with the aforesaid trap containing
the‘ captured animal; with the trap~door of the
gate, accessible ‘to the animal, for immediate con~
sumption. In providing drink, water may. be
placed‘ in the tray, atthe rear, andletrun. into
the inner portion. of the tray in a shallow level,
one and'the gatenof- this cage in juxtaposition,
which the captive may lick up‘ from said tray in- ‘
whereupon the drop-door of the trap is lifted,
side the gate, or may push his tongue through
the gate mesh-aperturesto ‘do so, such'being one
of the habits. of rodents, while other habits‘of
and the operating lever 9 of this» cage is em
ployedto lift the'gate 4. This is done byreleas
ing-the said lever‘ from its looks and. clamp by
theirs such as spilling or befouling the water
?rst raising the clamp-cover M to the vertical 10 where a quantity. of it is accessible to them in
position shown in Figure 3, and indicated in
the cage, is measurably inhibited by the small
dotted lines-in Figure 2, then seizing the handle
ness of- the quantity ofiwater allowed them by the
'ofithelever' 9, detaching the upper hook l3 from
use of this t'raywith its shallow level of fluid‘.
the roof ‘of the cage, pulling up- the gate 4., and
Theicagermay be used without employing the
in. the same movement detaching the lower hook 15 special form of tray‘ shown in Figure 5, or with
[0, if the form including said hook is employed,
out placing any- tray whatever in the cage, espe
and then themiddlfe hook-shoulder I2 is engaged
cially if the animal is to be kept there for but a
on top of the roof, all as shown in Figure 3, thus
short time, during which the'simplestv of feeding
- locking the gate 4 in- horizontal position. The
and drinking expedients will temporarily serve
animal is then mildly urged from the trap into 20 its essential requirements. Even for a‘ substan
the cage, usually by blowing a light wind pres
tial time the animal‘ is fully fed and nourished
sure against the rear of the trap, until it leaves
by dropping pieces of biscuit or peanuts or other
the trap and enters the open ‘gate of the cage.
edibles through the food-supply opening, and I
When it so enters, and preferably before the trap
also soak pieces or strips of sweet potato in
is- taken away, the operating lever is again han 25 water and drop them in the opening, which an
dled by the ?nger or ?ngers of the’operator to,
first, disengage the hook 12 thereof from, the
cage-roof, second, lower the gate, and in so doing,
third, engagethe lower hook If! in the floor of
the cage if said hood is used (as in Figures 1
to 4‘ inclusive), this being done of course by a
twist of the handle with the ?ngers, fourth, en
gage the upper hook [3 under the roof of the
cage, and‘ ?fth, bring down the cover-clamp M
swers the need of- drink.
When I use the tray,
it- is not necessary to eliminate the hook ID, as
is shown in Figure 5, for this hook projects be-.
low the gate 4, and‘in front of. it, and there is
quite enough play in the lever 9 in its loose
mounting in the food-supply opening 8, to let
. this hook Ill ?t in the tray in front of or out- ,
side the gate. This hook I0 is a valuable adjunct
to the locking; if there is‘ to be transportation,
to force its notch 16 into frictional contact with 35 it is especially invaluable.
The trays permit of measured quantities of
the shank of the lever just above the hook I3,
to clamp down on the same. Thus, besides the
foods, and of special foods,vbeing.given on each
fact‘ that the gate 4 is an automatic guard, against
feeding, with’ such variation as is intentional;
escape, being higher than the opening, and swung
also uniform quantities of each food to each
diagonally inward, there will be, in this form, 40 animal of a kind, with ‘any‘needed additions for
special feedings. They also allow special feeding
three looks upon the gate protecting against ac
in research as to effects of various vitamins, to
cidental release or escape of the animal, i. e.,
different animals and'groups. While food may
the hook H] in the ?oor, the hook l3 in the roof,
be placed directly in the tray, it may also be
andthe clamp [4 upon that. In the case of the
modi?ed form of Figure 5, there will be two locks, ' dropped in through the opening 8 in the roof the
same as described before; in this case, it will fall
or looking effects, in case the lower hook I0 is
in the tray, accessible to the captive immedi
ately, unless otherwise arranged, and it may be
Coming to the matter of feeding, this is best
allowed to drop on the cage-?oor, if there be
explained by reference to said Figure 5, which
embodies my preferred form of supplying food 50 reason for so doing. The locking of the gate
upon‘ the tray to hold it in place, is effective
and‘ drink to the captive. The tray or feed
equally if the hook- It be left on or if it‘be omitted.
trough I8 is insertible and removable in and
vWith the use of the modi?ed form of lever
through the opening 3, and is slidable therein.
shown, in Figure 8, the operation of the cage is
It maybe adjusted slightly inward and, as shown,
the sameas hitherto-described; this form of lever
slightly outward. If made with a tray much
longer than illustrated, it can be pushed out
wardly much further, since the length of the tray
beyond the impact point of the flange 1 of the
gate 4, is the, only limit to outward movement.
There is so little of limit to inward movement
that in some specimens of my cage I bend up
the ?oor to make a stop, and any suitable limit
of movement may be imposed in any known and
obvious way, the same forming no part of the
novel‘ features of my invention. In whatever ad
justment the tray is set, it is held in that posi
tion by the impact thereon of the gate-?ange 1,
under- the pressure thereupon by the locking 1e
ver 9. The food being placed inthe front raised
is moreeasily made,,more easily kept in its shape,
and more easily ‘caught in place, since while the
twohooks l2~and l3~still operate as before stated,
there is a‘ certain amount of spring in them and
between them in this form, as thetwo hooks may
move slightly together, yet spring ‘back, and the
hooks may be brought closer together or further
apart by bending the wire to adjust tightness, or
looseness of the pair, relatively.
65 In other respects, such as sanitation, it is my
practice to place all the storage cages upon a
trough, or table or other receptive surface or
expedient, and all foreign matter from the cages
andv the occupant thereof, may drop into such
portionof the feed-tray I8, is pushed backward 70 trough or other receptacle, leaving the cage-com
into the inner portion of said tray as needed, the
gate being lifted topermit this, and then looked
In this way, a supply of food is always
avail'able'and can be changed from storage food
paratively clean‘ when removed‘ for transporta7
tion, or for examination of‘ the captive animal;
Any such convenient practice forms. in itself no
part of my present. invention, and therefore ‘I
in front of the gate, to- supplied- food inside the 75 have not found it‘necessary'to show such provi
j My invention is not con?ned to the exact de
tails herein described and shown, but various
modi?cations may be made within the spirit and
thereto‘, means upon'sa‘id lever for hooking it
into the‘ cage-body to lock the gate open when
lifted, and shut when lowered, by said lever, and
a clamping-plate upon the outside‘ of the cage,
movable down upon the shut-gate-locking means
purview of my broadly new invention.
to clamp the lever additionally.
sions, more or less familiar to workers in this .art
or research.
I may
employ the invention in connection with various
forms and’ sorts of-cages designed either for gen
7. An animal cage provided with an entrance
opening in one end, agate closing the same
eral or especial use.
against egress of a‘ captive animal in said cage,
, , ,
What I claim as new and ,desire to secure by
Letters Patent is:
and the said cage being also provided with a
smaller food-supply opening in the cage-body at
the upper portion thereof, a combined lifting and
locking lever connected to the gate to lift and
1. An animal cage provided with a swinging
hinged gateand a combined lifting and locking
lower the same, and provided with means for
lever connected to said gate, to lift the same for
ingress and egress of the animal therefrom, said 15 hooking said lever into the cage-body to lock
said gate either in its lifted or its lowered posi
lever projecting upwardly from the gate to a
tion, the said lever being arranged in and op
point outside the ‘cage near the roof, and pro
erating through said food-supply opening, and
vided with a locking device thereon by which it
a clamp-cover plate movably mounted next said
may be hooked into a partof the cage, to press
fcod~supply opening to be closed upon the same
down upon the gate and hold it tightly against
and simultaneously moved down upon the lever
opening, and with a second. locking device by
which it alternatively may be hooked into the
as an additional locking means therefor, and to
lock the plate over the food-supply opening.
cage-body to hold said gate lifted and open.
8. An animal cage provided with an entrance
,2.‘An animal cage provided with a gate, and
a'lever mounted in said cage, and connected with 25 opening in one end of the same, a feed-tray
said gate'to lift it, and bearing against said gate
adapted to be inserted in said opening upon the
floor of the cage, a swinging gate extending into
to keep it closed, and said lever ‘being provided
said opening, and resting upon said floor when
with books thereon adapted each to be alterna
the tray is out, and resting upon said tray when
tively engaged in the cage-body, one to hold the
gate locked open when lifted, and the other to 30 it is in place upon said floorin the opening, and
hold the gate locked tight when shut, the said
a combined lifting and locking leverconnected to
hooks being oppositely directed, and resting, while
said gate to lift and lower the same, and adapted
when pressed down to hold the gate tightly against
set, one under the part of thecage-body engaged,
and the other over the part of the cage-body
the floor when the tray is out and tightly against
35 the tray when said tray is in position and thus
3. An animal cage provided with a gate, and
hold both said tray and said gate in mutual
a combined lifting and locking lever formed of a
frictional contact, and means upon said lever to
single wire or rod connected to the gate at one
lock said gate shutdown upon said ?oor or tray.
end, and provided with oppositely directed hooks
9. An animal cageprovided with an entrance
at different distances from the end of said lever, 40 opening in one end of the same, and‘a gate clos
the lower hook being adapted to ?t over a part
ing thesame, against egress of a captive animal
of the cage-body into which it is engaged, and
therein, a combined lifting and locking lever
the upper one to ?t under a part of said cage
connected to said gate to lift and lower the same,
body, to hold the gate open by the action of the
the said cage being also provided with a food
lower hook, or to hold it shut by the upper hook, 45 supply opening separate from its entrance open
and the upper portion of the wire or rod being
ing, and a cover-plate for said food-supply open
provided with a handle lying outside the cage
ing movable over said opening to close the same,
body at a height above both said hooks.
and formed and adapted to clamp down upon said
. 4. An animal cage provided with a gate, and
lifting and locking lever, at the same time.
a combined lifting and locking lever connected 50
10. An ‘animal cage provided with a gate, a
to said gate to lift it, provided with two hooks
lifting and locking lever connected therewith, a
centrally of its ends, one adapted to fit into the
tray slidably and removably mounted in said cage
cage-body to lock the gate open in a substan
upon the floor thereof, under the gate, and means
tially horizontal position, and the other to ?t
upon the lever for holding shut and locking said
gate down' upon said tray to frictionally engage
into said body at a different point upon said lever,
to lock said gate shut, and a clamp upon the
the same, and lock both gate and tray simul
outside of the cage mounted to be moved down
upon the lever at the point of the last-mentioned
11. An animal cage provided with an entrance
opening in one end of the same and a food-supply
hook, to be clamped thereon as an additional
security thereto.
60 opening in the upper portion of said cage, a gate
5. An animal cage provided with a gate swing
hinged in said entrance, adapted to swing inward
ly, and higher than the opening and adapted to
ing inwardly to lie upon the ?oor of the cage,
and a combined lifting and locking lever con
lie upon the ?oor of the cage while positioned in
nected to said gate, and provided with three
a diagonal direction with respect to the floor and
hooks thereon at different heights, one at its
end wall, and formed with a ?anged inner end,
lower end to be hooked into the ?oor of the cage
a feed-tray slidably and removably mounted in
as the gate is dropped shut by said lever, the
the entrance under said gate, and formed with a
second adapted to be hooked into the cage-body
rim or ?ange around the same, raised at the
to hold the gate when open, and the third adapt
front, adapted to hold a supply of food in the
ed to be hooked into said cage-body when the 70 outer portion of said tray, which may be pushed
gate is shut and the lowest hook caught in the
into the inner portion of said tray within the
floor, giving the gate a double locking shut, and
interior confines of the cage, a combined lifting
a single locking open.
and locking lever mounted approximately verti
6. An animal cage provided with a gate, a
cally in the cage, in the food-supply opening, and
combined lifting and locking lever connected 75 connected to the gate to lift and lower the same,
and formed of a single piece of wire or rod shaped
to form two reversely-directed hooked shoulder
portions which at varying heights of the lever,
respectively catch in the cage-body, One of them
to hold the gate open in a substantially horizontal
position, and the other to lock the gate shut
down upon the tray to frictionally hold the gate
and tray down upon the ?oor beneath, said lever
being provided with a handle at top, and a clamp
cover plate hinged above the food-supply opening
and adapted to be clamped down upon the locking
hook of the lever, and notched to permit the
shank of said lever to be engaged thereby;
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