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Патент USA US3061729

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Oct. 30, 1962
o. M. SHATTUCK
3,061,719
ELECTRIC CIRCUIT CONTROL. MECHANISM FOR EMERGENCY
Filed Dec. 21, 1960
TRANSMITTING DEVICE
2 Sheets-Sheet 1
mmvrox. '
Owen M Ska/?ack
BY
Wm”, WK-wk W
ATTORNEYS
Oct- 30, 1962
o. M‘ SHATTUCK
3,061,719
ELECTRIC CIRCUIT CONTROL MECHANISM FOR EMERGENCY
TRANSMITTING DEVICE
Filed Dec. 21, 1960
2 Sheets-Sheet 2
+
INVENTOR.
94W MWE M4
ATTORNEYS
United States Patent
3,661,719
Patented Oct. 30, 1962
1
2
3,061,719
FIG. 4 is a diagrammatic view of the two induction
coils and the soft iron bar on the shaft located there
ELECTRIC CIRCUIT CGNTRQL MECHANISM FOR
EMERGENCY TRANSMITTENG DEVICE
Owen M. Shattuck, Canton, @hio, assignor of one-sixth
to Myron W. Nixon, one-sixth to Frank Howard, Jr.,
and one=third to Frank S. Hertzig, all of Canton, Ohio
Filed Dec. 21, 36%, Ser. No. 77,415
5 Claims. (Cl.325-166)
between by a portion of the circuit;
FIG. 5 is a diagrammatic view of the improved signal
circuit controlling mechanism, and;
FIG. 6 ‘is a detached perspective view of a modified
form of the signal wheel for operating only the contacts
which control the ?asher light.
Referring now more particularly to the embodiment of
The invention relates to electric circuit control mech
the invention illustrated, as shown in FIG. 1 the improved
anism and more particularly to improved mechanism for
signal circuit control mechanism may be located within
operating ?asher signals and/ or radio signals.
a buoy. The case or housing 1 of the buoy may be made
Although the invention is applicable to ?asher ?ares
of any suitable material and of any desired shape which
for use upon highways to warn the drivers of approaching
will meet the requirements of housing or maintaining
vehicles of the location of a parked truck or other vehicle, 15 the signal circuit therein so that it may ?oat upon the
a preferred embodiment of the invention includes means
water.
for operating both a ?asher light and a radio sending set
A ?asher light in the form of a neon or similar type of
for transmitting SOS or distress signals to indicate the lo
gas-?lled tube 2, wherein the gas is ionized by the pas—
cation of a boat or airplane in distress upon the water.
sage through the tube of a high potential current, is
An object of the invention is to provide a new and 20 located in the upper portion of the buoy and enclosed by
improved electric signal circuit control means embody
the transparent or translucent lens 3.
ing novel mechanism for introducing a rapid alternating
The improved control mechanism to which the inven
current oscillating through a neon or other gas-type tube.
tion pertains is located within a housing indicated at A,
Another object of the invention is to provide novel
mounted within the buoy. A portion of the housing A is
and improved electric signal circuit control mechanism 25 indicated in FIG. 5, in which the complete mechanism is
for simultaneously operating a ?asher light and a radio
shown diagrammatically.
sending set for transmitting an SOS or distress signal.
A battery, indicated at D, is located in a circuit within
A further object of the invention is to provide electric
the buoy. A starting switch of the push button type,
signal circuit control mechanism of the character referred
indicated generally at 4, is connected in said circuit and
to including a gyroscopic type of wheel which, when
located through the upper portion of the buoy,
once started, will keep the mechanism operating for a
. A radio sending set, which may be of any usual and
considerable period of time.
'
well known construction, as indicated generally at 5, is
It is also an object of the invention to provide an
mounted within the buoy, and a battery indicated at E is
electric circuit control mechanism of this character hav
located in the buoy and connected in a circuit thereto.
ing a novel electrically actuated starter for imparting an
An antenna for the radio sending set is mounted in the
initial rotary impulse to the gyroscopic wheel.
buoy and indicated generally at 7. This antenna is of
Another object of the invention is to provide such a
the telescoping type commonly used for automobile radios
signal circuit control mechanism located within a buoy
and comprises the outer tube 8 and a plurality of tubes 9
which may be ?oated upon the water adjacent to a boat
telescoped therein.
or airplane in distress.
'
The outer tube 8 is slidably mounted through the upper
A further object of the invention is to provide signal
portion of the buoy case 1 and is slidable through the
switch indicated generally at 10. This switch includes the
circuit control mechanism of the character referred to
including a rotatable shaft having a gyroscopic type of
inertia wheel ?xed thereon, a soft iron bar or rotatable
core ?xedv upon the shaft and located between two'in
duction coils or transformers, an electric circuit in which
said induction coils are located, a signal ‘wheel operative
ly connected to said shaft, means upon the shaft for op
erating contacts for periodically closing and opening the
circuit, a second pair of contacts in series therewith and
means upon the signal wheel for operating said contacts
for operating a ?asher light.
upper ?xed contacts 11 and 12 and the lower movable
contacts 13 and 14. The lower portion of the outer tube
8 of the antenna has an insulated shoulder 15 thereon
arranged to press, the movable contacts 13 and 14 into
contact with the ?xed contacts 11 and 12 when the tube 8
is pulled upward to its upper extent. A lead~in wire 16
50
connects the antenna to the radio sending set 5.
The starting switch, indicated generally at 4, is shown
in detail in FIG. 3 and includes the rod 18 with push
button 19 at its upper end‘ and contact ball 20 at its
.The above and other objects, apparent from the draw
lower end, a spring 21 normally holding the same in the
ings and following description, may be attained, the 55 upper or open position out of contact with the spaced
stationary contact members 22 and 23.
'
above described dii?culties overcome and the advantages
Reference is now made to FIG. 5, in which the entire
and results obtained, by the apparatus, construction, ar
control mechanism within the case A is illustrated dia
rangement and combinations, sub-combinations and parts
grammatically. This control mechanism includes the ro
which comprise the present invention, a preferred embodi
tatable shaft 25 having a conical lower end 26 adapted
to rotate within a suitable bearing in the bottom wall A’
ment of which, illustrative of the best mode in which’ ap
plicant has contemplated applying the principle, being set
forth in detail in the following description and illustrated
in the accompanying drawings.
Reference is now made to the accompanying drawings
in which;
FIG. 1 is a vertical sectional view of a buoy contain
of the case A, in order to reduce friction.
thereof, in order to provide for momentum or inertia to
tation of the same is started, as will later be described.
A cam disc 28 is ?xed upon the shaft 25 and pro
- FIG. 2 is an enlarged fragmentary sectional elevation
:of the antenna for the radio sending set and the switch
¢ ‘FIG. 3 is a fragmentary sectional view of the startin
switch and starter mechanism;
‘
‘
t
'
_'
65 keep the shaft rotating for a considerable time after roe
ing the novel signal circuit controlling mechanism;
.whichris closed thereby;
‘
A relatively heavy gyroscopic type of inertia Wheel 27
is ?xed upon the shaft, preferably near the lower end
vided with one or more cam nubs or projections 29.
70
In the drawings one such cam nub is shown upon th
periphery
' A soft iron
of the
bar
disc
or 28.
rotatable core 30 is ?xed at ' its cen
3,061,719
3
A coil 76 surrounds the solenoid 67 and is connected
at one end by conductor 77 to the negative side of the
battery D. A conductor 78 leads from the other end of
the coil 76 to the stationary contact 22 of the starting
switch 4.
A conductor 79 leads from the other stationary con
periphery for operation by the starting device, as will be
tact 23 of the starting switch back to the positive side
later described in detail.
of the battery D through conductor 41, contacts 11 and
A pinion 35 is ?xed to the upper end of the shaft 25
13 of the antenna switch 10 and conductor 40‘.
and meshes with the internal ring gear 36 upon the in
terior of the signal wheel, indicated generally at 37, 10 In order to start the operation of the mechanism, the
antenna 7 is pulled up to extended position, the insula
which is journalled upon the upper wall A" of the case
tral portion to the shaft 25 and adapted to rotate there
with beween the opposed ends of the induction coils or
transformer units indicated generally at 31 and 32.
A toothed starter wheel 33 is ?xed upon the shaft 25
and provided with the ratchet~like teeth 34 around its
2 at a point eccentric to the shaft 25, as indicated at 38.
The periphery of the signal wheel 37 may be provided
with any suitable arrangement of projections for operat
ing contacts in the circuits to the radio sending set 5 and
the flasher light 2, as will be later described in detail.
The circuit from the battery D is shown as including
a wire 40 leading from the positive side of the battery
to the movable contact 13 of the antenna~operated switch
10. A wire 41 leads from the corresponding stationary
tion shoulder 15 contacting the movable contact mem
bers 13 and 14 and pressing them into contact with the
stationary contact points 11 and 12.
The push button 19‘ of the starter switch 4 is then de
pressed, the ball 20 contacting the stationary contact
points 22 and 23 and then passing downward out of con
tact therewith. As the ball 20 contacts the contact points
22 and 23, the circuit is momentarily closed through the
coil 76 of the solenoid 67, pulling the core 68 thereof
inward against the pressure of the spring 69. As the
contact 11 of the switch 10 to a stationary contact 42.
core 68 is thus pulled into the solenoid, the ?nger 73
The corresponding movable contact 43, which is op
upon the rod 70 will engage one of the teeth 34 upon the
erated by the projections 44 on the lower half of the pe
starter wheel 33 starting rotation of the shaft 25.
riphery of the signal wheel 37, is connected by wire 45
As the ball 20- passes downward out of contact with the
to the movable contact 46 adapted‘ to be operated by 25
contact points 22 and 23, the circuit to the solenoid is
the cam nub 29 upon the cam disc 28‘.
broken so that the same is de-energized permitting the
The corresponding stationary contact 47 is connected
spring 69 to push the core 68 outward moving the rod
by wire 48 to one end of the primary coil or winding 49
70 and ?nger 73 thereon back to the position shown in
of the induction coil or transformer unit 31. The other
FIG. 3.
end of the primary coil 49 is connected by wire 50 with
As the push button 19 is released, the spring 21 will
one end of the primary coil or winding 51 of the induc
move the same upward to the upper position shown in
tion coil or transformer unit 32, the other end of the coil
FIG. 3. In this upward movement of the push button
51 being connected by wire 52 to the negative side of the
19 and the ball 20- carried thereby, the ball will again
battery D.
momentarily contact the contact points 22 and 23 of the
A condenser 53 may be provided, connecting across or
starting switch 4, again energizing the solenoid 67 and
bridging the conductors 4-5 and 48, to take care of cur~
causing the ?nger 73 on the rod 70‘ to again contact one
rent surges in the circuit to prevent sparking of the con
of the teeth 34 upon the starter wheel 33, giving a sec
tact points, the condenser being, as shown, located be
ond impulse to the shaft 25 so that the inertia wheel 27
tween the two sets of contacts 42-43 and 46—47 and
the coils 49 and 51 in the battery D.
40 will spin the shaft 25 rapidly in the direction of the
arrows shown in the drawings.
A secondary winding or coil 54, of the transformer
unit or induction coil 32, is connected to the conductor
With each rotation of the shaft 25 the cam hub 29 on
52 leading from the negative side of the battery D. This
the teeth 28 will close the contacts 46—47. As the shaft
25 is rapidly rotated, the signal wheel 37 will be relative
secondary coil 54 is connected by conductor 55 to one
ly slowly rotated thereby through the pinion 35 and ring
end of the secondary coil 56 of the induction coil or
transformer unit 31, the other end thereof being con 45 gear 36.
nected by conductor 57 to one end of the gas-?lled tube
The relative speed of the signal wheel 37 to the shaft
2, the other end of the tube being connected by con
25 will be according to the ratio between the ring gear 36
ductor 58 to the battery D.
and pinion 35. A preferred ratio is 20-1 whereby the
A conductor 59 leads from the positive side of the
signal wheel 37 will make one complete revolution for
battery E to the movable contact 14 of the antenna switch 50 every 20- revolutions of the shaft 25.
10. The corresponding stationary contact 12 of the an
As the high points 44 upon the signal wheel 37 engage
tenna switch 10 is connected by conductor 60‘ to the sta
the movable contact 62, moving it into contact with the
tionary contact 61.
?xed contact 61, the circuit from the battery E to the radio
The corresponding movable contact 62, which is op
sending set 5 will be intermittently closed and opened
erated by the high points 44 on the upper half of the 55 causing the radio sending set to send an SOS or distress
signal wheel 37, is connected by conductor 63 to the
radio sending set 5. A condenser 64 may connect across
or bridge the conductors 60 and 63 to take care of cur
rent surges in this circuit to prevent sparking of the con
tact points 61 and 62.
A conductor 65 leads from the other side of the radio
sending set 5 to the negative side of the battery E, com
pleting the circuit from the battery E to the radio send
ing set 5 throughthe contacts 61 and 62.
The starting mechanism indicated generally at 66, and
signal.
As the signal wheel 37 rotates, the high points 44 there
on will in like manner intermittently close and open the
contacts 42—43. At such times when the rapid contacts
60 46—47 are closed by the nub 29 simultaneously with the
closing of the slow contacts 42—43 by the high points 44
on the signal wheel 37, the circuit from the battery D
through the induction coil or transformer units 31' and
32 through the gas tube 2 will be closed.
It will be noted that the cam nub 29‘ is arranged so that
when the shaft 25 rotates in the direction of the arrows
shown in the drawings, the cam nub will close the contacts
46—47 when the soft iron bar 30 is at an angle of about
shown in detail in FIG. 3, comprises a solenoid 67 hav
ing a core 68 therein normally urged outward by the
spring 69. Arod 70 is connected to the outer end of
the core 68 and guided through an opening 71 in the
15° to the cores of the transformer units or induction
70 coils 31 and 32, as shown in full lines in FIG. 4, and will
frame or housing 72 for the solenoid.
A ?nger .73 is pivoted at 74 upon the outer end of the
just have passed said contacts so that they will be opened
rod 70 and provided with the angular extension 75
as the soft iron bar 30 reaches the position shown in
adapted to contact the top of the rod 70 and limit outward
movement of‘ the ?nger .73.upon.the pivot 74 tothe posi~
tion shown in FIG. 3.
broken lines in FIG. 4, or in other words comes under
the full or complete- in?uence of the magnetic ?ux of‘the
75 coils 31 and 32.
5
3,061,719
Thus it will be seen that during rotation of the inertia
wheel 27, when the cam nub 29‘ closes the contact points
6
necessary limitations are to be implied therefrom beyond
the requirements of the prior art, because such words
46—47, the soft iron bar or rotatable core 30‘ will be ap
are used for descriptive purposes herein and are intended
proaching the magnetic core of the coils 31 and 32 and
to be broadly construed.
Moreover, the embodiments of the improved construc
will be in a position to come into the ?eld of magnetic
flux when the coils are energized, but the electric circuit
tion illustrated and described herein are by way of ex
through the coils will be broken immediately when the
ample, and the scope of the present invention is not
limited to the exact details of construction.
Having now described the invention or discovery, the
position to the cores of the coils 31 and 32.
construction, the operation, and use of preferred embodi
The momentum or centrifugal force of the inertia
ments thereof, and the advantageous new and useful re
wheel 27 is free to rotate from the broken line position
sults obtained thereby; the new and useful construction,
to the full line position of the soft iron bar 30 in FIG. 4,
and reasonable mechanical equivalents thereof obvious to
whereby the same operation is repeated with each rota
those skilled in the art, are set forth in the appended
tion of the shaft 25, causing the inertia wheel to rotate
15 claims.
at about 800 r.p.m.
I claim:
The signal wheel 37 is rotated, through the pinion 35
soft iron bar or rotatable core 30 comes into direct op
1. Control mechanism for elfecting the rapid making
and gear 36, at the desired ratio, opening and closing the
and breaking of an electric circuit during spaced time
circuit through the contacts 42 and 43, regulating the
periods, a pair of spaced longitudinally aligned induction
periods of which the coils 31 and 32 are energized and
20 coils connected in series in the circuit, a ?xed core in each
controlling the off and on periods of the light source.
coil, a rotatably supported shaft having an inertia wheel
The opening and closing of the contacts 46-47 which
thereon, an elongated rotatable core upon said shaft mov
energize the magnetic cores of the coils 31 and 32 thereby
able into the magnetic ?elds of the coils at opposed ends
cause the inertia wheel 27 to spin at the desired r.p.m.,
which once started, is maintained and as the source of
power is cut off the inertia wheel continues to rotate,
keeping the mechanism operating for a considerable
period of time without the use of electrical energy except
that which is consumed for producing the
neces~
sary for ionization or lighting the light. The secondary
of the ?xed cores, a source of electric potential in the
circuit, two pairs of relatively movable contacts in the
circuit, means controlled by the rotating shaft for closing
one pair of said contacts as the rotatable core approaches
a position of alignment with the ?xed cores and is in
position to come into the magnetic ?elds of said coils
windings 54 and 56 of the coils being connected in series, 30 when the fixed cores are energized and opening said pair
of contacts when the rotatable core is in the full in?uence
the opening and closing of the primary circuit through the
of said ?elds, and means controlled by the rotating shaft
primary coils 49 and 51 induces a high
in the sec
for opening and closing the other pair of contacts with
ondary circuit 57—58 necessary for ionization of gases
less rapidity than the said one pair of contacts are opened
in the tube 2 to produce light.
and closed.
In FIG. 6 is shown a modi?ed form of signal wheel,
2. Control mechanism as de?ned in claim 1, including
indicated generally at 37a, for use when only a ?asher
a second circuit, a radio sending set in said second circuit,
light is used in the mechanism, without a radio sending
and a third pair of relatively movable contacts in said
set. This type of signal wheel is adapted for use upon
second circuit, said third pair of contacts being opened
highways to warn of a parked truck or other vehicle.
Instead of having the high points or projections for 40 and closed by said means controlled by the rotating shaft
for opening and closing said other pair of contacts.
transmitting a code signal, as shown in FIG. 5, the mod
3. Control mechanism as de?ned in claim 1, including
i?ed form of signal wheel 37a may have a single high
a starter mechanism comprising a toothed wheel on said
point or projection 44a upon its periphery, for closing the
rotary shaft, a secondary circuit connected to said source
contacts 42—43 for a relatively short period during each
of electric potential, a solenoid in said secondary circuit,
rotation of the wheel 37a, so as to ?ash the light on and
a movable core in said solenoid, spring means normally
off without transmitting a code signal thereby.
holding said core in extended position, a ?nger on the
From the above it will be obvious that a new and novel
end of said movable core, and a starting switch in said
means of electric circuit control mechanism is provided
secondary circuit for energizing said solenoid to move
for operating a ?asher light and/or a radio sending set,
said ?nger into engagement with said toothed wheel to
50
in which a rotary shaft with an inertia wheel and a soft
start rotation of the rotary shaft.
iron bar or rotatable core is rotatable between a pair of
4. Control mechanism as de?ned in claim 3, in which
opposed induction coils or transformers, with means op
said starting switch is in the form of a spring-loaded push
erated by the rotary shaft for closing a circuit to said in
button switch, and means in said push button switch
duction coils when the soft iron bar reaches a position to
come into the magnetic ?ux of the cores of said coils and 55 whereby one operation thereof will close and open the
secondary circuit twice so'as to give two impulses to said
for opening said circuit when the soft iron bar comes
starter mechanism.
into direct opposition to said cores.
5. Control mechanism as de?ned in claim 2, including
It will also be apparent that a new and novel starting
a switch in each circuit, a telescoping antenna connected
mechanism is provided for said circuit control mechanism,
in which a single depression of a push button switch will 60 to said radio sending set, and means upon said antenna
for closing both of said switches when said antenna is
give the rotary shaft two independent impulses so as to
extended.
start rotation of the shaft at such speed that the inertia
wheel will cause it to rotate for a considerable time.
References Cited in the ?le of this patent
Furthermore, it will be seen that a new and novel mount
65
UNITED STATES PATENTS
ing of the circuit control mechanism within a buoy is
provided, whereby the extension of a telescoping antenna
2,225,464
Santino ______________ __ Dec. 17, 1940
in the buoy will close a switch in the circuit rendering the
2,347,160
Wallace _____________ __ Apr. 18, 1944
circuit operative to be selectively closed and opened by
2,463,527
Dunmore _____________ .._ Mar. 8, 1949
rotation of the shaft.
70
FOREIGN PATENTS
In the foregoing description, certain terms have been
used for brevity, clearness and understanding, but no un
465,913
France _______________ .. Apr. 30, 1914
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