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Патент USA US2118265

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, May 24, 1938.
o. NEUBERT; JR
_
2,118,265 7
COMPASS CONTROLLED SWITCH
Filed April 26, v1935
2 Sheets-Sheet l
I/VVE/V TOR.
05cm M5023: n r. JR.
,4 TTOR/VEX
.May 24, 1938.
o. NEUBERT, JR
2,118,265
COMPASS CONTROLLED SWITCH
Filed April 26, 1955
2 Sheets-Sheet 2
[IV Vf/V TOR.
05cm Nil/BERT. JR.
2,118,265
Patented May 24, 1938
UNITED STATES PATENT OFFIQE
2,118,265
COMPASS CONTROLLED SWITCH
Oscar Ncubert, Jr., Long Beach, Calif.
Application April 26, 1935, Serial No. 18,309
8 Claims.
This invention relates to a compass controlled
switch whereby a steering, motor or apparatus
on a ship is controlled to swing the ship rudder
from side to side as the vessel veers from its
5
course.
An object of my invention is to provide a novel
compass controlled switch wherein a train of
gears
permitted
thattoare
partially
constantly
rotateurged
thru an
to escapement
rotate,
actuated by the relative movement of a compass
case and a compass needle.
A further object is to provide a novel and effec
tive switch mechanism actuated by a spring or
other motivating force thru suitable gears, the
15 rotation of the case relative to the compass nee
dle releasing the gears and alternately opening
and closing the switch.
Another object is to provide a novel compass
controlled switch of the character stated, in
which a minimum of force is required to actuate
the switch from the compass needle.
Other objects, advantages and features of
invention may appear from the accompanying
drawings, the subjoined detailed description, and
25 the appended claims.
In the drawings:
Figure 1 is a side elevation of a compass with
parts broken away to show the interior construc
tion and with a case enclosing my mechanism
30 mounted on the compass.
Figure 2 is a top plan view of the compass con
trolled switch.
Figure 3 is a transverse sectional view of the
case enclosing my switch mechanism, the mecha
35 nism being shown in side elevation.
Figure 4 is an enlarged side elevation of the
esoapement, the escapement arm and the mag
netic needle.
Figure 5 is a perspective view of the switch and
40 the pins which actuate the same.
Figure 6 is a sectional view taken on line 6-6
of Fig. 4.
Figure 7 is a side elevation of the escapement
gear and arm.
45
Figure 8 is an end view of the compass needle,
the actuating cams and the escapement arm.
Referring more particularly to the drawings,
the numeral ! indicates a compass housing in
which
compass bowl 2 is mounted. The com
pass card and needle 3 are mounted in the bowl
2, all of w ich is usual and well known. The top
of the bowl is enclosed by a glass cover 4.
A case 5 is mounted on the bowl 2 above the
card 3, and the axial center line of the case 5 is
55 substantially in alignment with the axis of rota
(Cl. 200--56)
tion of the card 3. The case 5 can be rotated
in a ring 6 which is ?xedly attached to the
mounting bar ‘I. The purpose of this construc
tion is to permit my compass controlled switch
to be adjusted according to the course desired.
The compass controlled switch 8 is ?xedly
mounted in the case 5 and consists of spaced
horizontal plates 9, l0 and H. A spring motor
l2-thru suitable gearing-—tends to rotate a gear
l3. The gear [3 in turn meshes with and rotates 10
a switch actuating gear I4. A magnetized needle
I5 is journaled on a vertical axis I5 between the
plates H] and II. The needle l5 will swing as
the main compass and needle 3 swing, thus leav~
ing the main compass free to accurately indicate 15
direction without retarding its action in any way.
In order to operate a switch mechanism, the nee
~dle l5 remains directionally ?xed as does the
main needle 3, and the case 5 swings and moves
with the ship.
20
The motor I2 is constantly tending to rotate
the gear train and gears l3, 14, but these gears
are permitted to rotate a partial revolution by
an escapement movement operated and con
trolled by the needle I5.
25
A control cam I1 is mounted on the spindle
of the needle l5 and consists of an upper dwell
l8 and a lower dwell l9. An escapement arm 20
is pivotally mounted on a bracket 2!, and on
one end thereof, a roller 22 is mounted, This 30
roller is engaged by the upper and lower dwells
of the cam I‘! to depress and elevate one end of
the escapement arm as relative rotation occurs
between the needle 15 and the case 5.
The amount of movement of the arm 2!] is con- 35
trolled by a pair of adjusting screws 22, 23. An
escapement gear 24 meshes with the gear l3 and
a pair of oppositely arranged wings 25, 26 are
secured to the gear. These wings alternately
engage and are stopped by a pin 21 which pro- 40
jects from the arm 20. That is, one wing engages
the pin in the raised position of the arm, while
the other wing engages the pin in the lowered
position of the arm. Thus, the gear 24 is only
permitted to rotate thru 180 degrees each time 45
the arm 20 is raised or lowered by the cam l'l.
Since the motor I2 is constantly tending to ro
tate the gears, when the wings 25 or 26 are re
leased by the pin ill’, the gear 24 will instantly
rotate and permit a partial rotation of the gears 50
i3 and M. As the gear l4 rotates, it alternately
makes and breaks a switch substantially as fol
lows:
A plurality of circumferentially spaced pins
28 project upwardly from the gear M. A switch 55
2
2,118,265
29 is pivotally mounted below the plate 9 and is
preferably of the mercury bowl type, comprising
escapement means and engageable with the
a glass sphere 36 in which a globule of mercury
is placed. The electrical wires extend into the
sphere and are spaced apart. When the sphere
Ed is rotated in one direction, the globule of
mercury will contact the ends of both wires thus
closing the switch. When the sphere is rotated
nately opened and closed as the escapement
in the opposite direction, the globule of mercury
ment arm pivotally mounted adjacent the needle,
10 flows away from the wires thus opening the
switch means whereby the switch means is alter
means rotates.
3. A compass controlled switch comprising a
pivotally mounted magnetic needle, a gear train,
motor means urging rotation of the gear train,
escapement means in the gear train, an escape
3E—32. The trunnion 31 is formed with a shoul~
der cam
The pins 28 engage the shoulder
15 33 as the gear 14 rotates and these pins move
a distance suf?cient to close the switch and hold
it in closed position, or move entirely past the
cam means on the needle, said cam means en~ 10
gaging one end of the escapement arm, means
on the other end of the escapement arm engage
able with the escapement means whereby said
escapement means is released as the arm is
swung, said cam means swinging the escapement 1.5
arm when relative rotation occurs between the
needle and the arm, a pivotally mounted. switch,
shoulder, thus permitting the sphere 38 of the
switch to swing by gravity to a position where
20 the switch is opened. The sizes of the gears 13,
a plurality of circumferentially spaced pins on
one of the gears in the train, said pins being
adapted to engage the switch to close the same 26
switch. This type of switch is usual and well
known. The sphere 30 is mounted on trunnions
M are computed so that the pins 28 will move
the correct distance to alternately close and re
lease the switch.
In operation, the magnetic needle l5 remains
25 directionally ?xed conforming to the position of
the main compass needle 3. As the ship swings
off its course, the housing 5 will rotate around
the needle l5. This causes the cam dwell iii
or iii to engage the roller 22 and to either de
30 press or elevate one end of the arm 20. The
dwell which engages the roller 22 depends upon
which direction the ship swings. One end of the
arm 29 is thus moved and the wings Zn or
26 are released. Permitting the gear 24 to rotate
35 under the urge of the spring motor l2. The
gear M will then rotate as previously described
and the switch 29 will be actuated. The usual
steering motor (not shown) is actuated thru
suitable and well known relays. The switch 29
40 is journaled on very accurately machined pins
so that it will move very easily. The wires which
extend to the sphere 3!] are formed in a loose
coil, as shown at
which imparts the least re
sistance to the rotation of the switch element.
45
Having described my invention, I claim:
A compass controlled switch comprising a
magnetic needle, a train of gears, motor means
connected to the train of gears whereby said
train of gears are constantly urged to rotate, an
50 escapement means in the train of gears, an
escapement arm, means mounting the escape
ment arm adjacent the magnetic needle, means
on the magnetic needle engaging one end of said
arm whereby said arm is swung on its pivot,
55 means on the other end of said arm engaging
the escapement means whereby said escapement
means is released for partial rotation, switch
means, a means extending from said escapement
means and engaging the switch means whereby
60 the switch means is alternately opened and
closed.
pivotally mounted magnetic needle, a train of
gears, motor means engaging the gear train
whereby rotation thereof is urged, an escape
ment gear in the train, an escapement arm
pivotally mounted adjacent the needle, one end of
said escapement arm releasably engaging the
escapement gear, a cam on the needle, said cam
including an upper and lower dwell, one end of
the escapement arm being engaged by the upper
or lower dwell oi the cam whereby the escape~
ment arm is rocked on its pivot, the rocking of
the escapement arm releasing the escapement
gear for partial rotation, switch means, and f'
means on one of the gears of the train engaging
the switch means whereby the switch means
is alternately opened and closed.
5. A compass controlled switch comprising a
pivotally mounted magnetic needle, a train of 4-0
gears, motor means engaging the gear train
whereby rotation thereof is urged, an escape
ment gear in the train, an escapement arm piv
otally mounted adjacent the needle, one end of
said escapement arm releasably engaging the
escapement gear, a cam on the needle, said cam
including an upper and lower dwell, one end of
the escapement arm being engaged by the upper
or lower dwell of the cam whereby the escape
ment arm is rocked on its pivot, the rocking of
the escapement arm releasing the escapement
gear for partial rotation, a pivotally mounted
switch, a plurality of circumferentially spaced
pins on one of the gears in the train, said pins
engaging the switch to close the same as the
gear rotates.
6. A compass controlled switch comprising a
pivotally mounted magnetic needle, a gear train,
motor means urging rotation of the gear train,
escapement means in the gear train, an escape
ment arm pivotally mounted adjacent the needle,
2. A compass controlled switch comprising a
pivotally mounted magnetic needle, a gear train,
motor means urging rotation of the gear train,
65 escapement means in the gear train, an escape
ment arm pivotally mounted adjacent the needle,
cam means on the needle, said cam means en
gaging one end of the escapement arm, means
on the other end of the escapement arm en
70 gageable with the escapement means whereby
said escapement means is released for partial
rotation
as the gear rotates.
4. A compass controlled switch comprising a
the arm is swung, said cam means
swinging the escapement arm when relative ro
tation occurs between the needle and the arm,
switch means, and means extending from said
cam means on the needle, said cam means. en
gaging one end of the escapement arm, means
on the other end of the escapement arm engage
able with the escapement means whereby said
escapement means is‘ released
the arm is
swung, said cam means swinging the escape
ment arm when relative rotation occurs between
the needle and the arm, a rotary switch, a plu~
rality of circumferentially spaced pins on one of
the gears in the train adjacent the switch, said
pins being adapted to engage the switch to actu
ate the same as the gear rotates.
'7. A compass controlled switch comprising a
pivotally mounted magnetic needle, a train of
3
2,118,265
gears, motor means engaging the gear train
whereby rotation thereof is urged, an escape—
ment gear in the train, an escapement arm
pivotally mounted adjacent the needle, one end
of said escapement arm releasably engaging the
escapement gear, a cam on the needle, said cam
including an upper and lower dwell, one end
of the escapement arm being engaged by the
upper or lower dwell of the cam whereby the
escapement arm is rocked on its pivot, the rock
ing of the escapement arm releasing the escape
ment gear for partial rotation, rotary switch
means, and means on one of the gears of the
train engaging the switch means whereby the
15 switch means is alternately opened and closed.
8. A compass controlled switch comprising a
pivotally mounted magnetic needle, a train of
gears, motor means engaging the gear train
whereby rotation thereof is urged, an escape
ment gear in the train, an escapement arm piv
otally mounted adjacent the needle, means on
the needle engaging the escapement arm where 5
by rotation of the needle will cause oscillation
of the escapement arm, a pair of oppositely ar
ranged wings on the escapement gear, said es
capement arm disengaging one of the wings
and engaging the other as said arm is oscillated, 10
thereby releasing the escapement gear for par
tial rotation, switch means and means on one of
the gears in the train engaging the switch means
to actuate the same as the last named gear ro
tates.
15
OSCAR NEUBERT, JR.
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