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Патент USA US2404228

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July 16, 1946..
J. F. HAMLIN
2,404,228 _
HYDRAULIC EGG TURNING MECHANISM
Filed Dec. 27, 1943
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INVENToR.
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Juìy i6, 1946.
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J. F. Y'u-:IA'MLJN
2,404,228
HYDRAULIC EGG TURNING MEGHANISM
Filed Dec. 27, 1945‘`
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INVENToR.
Patentedl July 16, 1946
2,404,228 Y' y
UNITED
STATES
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PATENT _ YOFFICE: , ‘_
2,404,228
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HYDRAULIC EGG TURNING MECHANISM'
'Jerry F. Hamlin, Mill .'Valley, Calif.
Application December 27, 1943, Serial No. 5.1.5,742
`
'
1 Claim. (Cl. 74A-110)
1
This invention relates to egg turning- devices
designed primarily for use in incubator construc
tion of the battery type, wherein large numbers
of eggs are incubated.
An object of the invention is to provide an
egg turning means which will be automatic in
its operation, and one which will turn a great
The upper ends of the rods'I4-,are
by
the 'member I5 to which the rod I6 i's connected.
Formed on the rods I4, and disposed at opposite
sides of the vertical rods I4, are enlargements
I1 which are engaged by the forked ends of the
arms I3, so that vertical movement of the rods I4,
will act to swing the forked arms, predetermined
number of eggs simultaneously with a single oper- y
distances.
ation of an electrical switch, thereby reducing
Mounted at the upper end of the rod I6, is a
time and labor for turning the eggs in large in 10
piston I8 that moves within the cylinder I9.
cubators, to the minimum.
The pipe indicated at 20 has one end thereof
With the foregoing and other objects in View,
extending
into one end of the cylinder I9, the
which will appear as the description proceeds,
opposite
end
thereof being connected ‘with the
the invention resides in the combination and ar
rangement of parts and in the details of con 15 supply pipe 2l, through the union 22. A pipe 23
extends into the opposite end of the cylinder I9,
struction hereinafter described and claimed, it be
and
also connects with the supply pipe 2|,
ing understood that changes in the precise em
through the union 22. Valves 24 are mounted
bodiment of the invention herein described, may
within the pipes 2B and 23, and each of these
be made within the scope of what is claimed,
valves
includes a valve seat 25 and a valve mem
Without departing from the spirit of the inven 20
ber 26 which controls the flow of iluid through
tion.
'
Referring to the drawings:
Y
4 Figure 1 is a fragmental sectional view through
' the pipe. A rod 21 forms a part of each of these
valves, and a solenoid core 28 is mounted on the
rod 21. The solenoid coil is indicated at 29 and
i‘s adapted to control the movements of the valve
26, to unseat the valve, when the coil is energized.
. tion, as mounted therein.
It.` will of course be understood that the coil is
Figure 2 is a sectional View through the auto
supplied with electric energy from a V‘suitable
matic valve that controls the release of the fluid
source of supply not shown, and the current to
used in operating the mechanism.
Figure 3 is a sectional View through one of 30 the coil will be controlled by the usual electric
switch not shown.
the electrically controlled valves of the mecha
A coiled spring indicated at 30 is mounted on
msm.
the valve rod, between the valve 26 and casing
Figure 4 is a sectional view taken on line 4-4
3l that provides a support for the solenoid coil,
of Figure 1.
the coiled springv acting to reseat the valve, after
Referring to the drawings in detail, the refer
ence character 5 designates one end of an in 35 the electric current to the coil has been cut off.
A pipe indicated at 32 has one end thereof ex
cubator cabinet in which the egg trays are sup
tending into one end of the cylinder I9, and con
ported.
nects with the outlet pipe 33, through the valve
The reference character 6 designates the chan- \
housing 34. A pipe 3'5 also connects with the valve
nel lbars that have connection with the egg 40 housing 34 and communicates with the opposite
cradles 1, and which move to move the egg
end of the cylinder I9, as shown by Figure 1.
cradles in turning the eggs.
.
Mounted within the valve housing 34 is a
These channel bars are operated by recipro
valve rod 36 that carries valves 31 and 38 at
cating rods 8, that connect with the channel bars
its ends, the valves 31 and 38 adapted to seat
6, through the bars 9.
y
45 at 39 to cut off the llow of fluid through the pipe
These rods 8 are formed with teeth I6, which
33. It might be stated that the rod 36 is of such
teeth mesh with the gears II that in turn are se
a length that when one valve is closed,l the op
cured to the shafts I2 that are horizontally dis
posite valve is opened, as> shown by Figure 2, and
pOsed Within the cabinet. The shafts I2 are ar
the
movements of these valves are controlled by
ranged one above the other, as shown by Figure 50 the-ñuid
pressure, entering the pipes 32 and 35.
1 of the drawings.
When it is desired to turn or shift the eggs,
Forked arms I3 are secured to the shafts I2,
during the incubating period, and assuming that '
the forked ends of the arms extending to posi
the piston I8 is in the position shown by Figure 1,
tions where they straddle vertical rods I4 of the
it is only Anecessary to complete the circuit to the
an incubator, illustrating an egg turning mecha
nism, constructed in accordance with the inven
turning mechanism.
'
55 solenoid coil 29, of the lowermostfvalve. This of
4.
' course may be accomplished by 'a time clock not
shown, or by a switch which is of the manually
controlled type. The coil will act to retract the
valve 26, opening the passageway and allowing
ñuid `to enter under the piston I8. The fluid will
also enter the pipe 35, contacting the valve 3'8,`
closing the valve and simultaneously opening.y
the valve 37 to _allow the fluid above the piston,`
yto seep ,through the pipe 33. The piston I8 will
now be elevated, with the result that the rods I4 10
will move upwardly, operating the forked arms.
As'the arms I3 move upwardly, and since altere'
nate arms are connected withopposite rods I4,
the adjacent rods 8 will beV moved in. opposite
directions, turning the eggs.
t
'
,
nel bars 6, through the bars 9, the egg cradles 1,
which are connected with the channel bars 6, and
in which the eggs are positioned, will be movedto
properly turn the eggs.
What is claimed is:
I
An egg turning dew'ce for battery incubators,
comprising a plurality of horizontal reciprocat
ing rods adapted Vto operate egg cradles, teeth
,formed on the upper _edges of the rods adjacent
to one of the respective ends thereof, *spaced ver
tical rods, means for connecting the rods at
their .upper ends, gears meshing with the teeth
of the horizontal reciprocating rods, pairs of
spaced enlargements secured on the vertical rods,
forked arms movable with the gears and adapted
to straddle the vertical rods between the enlarge
ments of >each pair, adjacent forked arms being
connected to opposite vertical rods, and said arms
When it is again desired to turn„the'„eggs,lthe
Vopposite Valve 24 is operated to admit fluid to the
upper side of the piston I8, moving ‘tlfiefpiston`r ` adaptedto move the reciprocating rods in oppo
downwardly and operating the rodsV 8 in the
>site directions.'
opposite directions. , Y
'
A Since the rods 8.are connected with the chan#
JERRY F.1VHAMLIN.
Y
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