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Патент USA US2135416

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Nov. 1, 1938.
'
F. H. STOTTS
“
'
‘2,135,416
TRAFFIC SIGNAL
Filed June a, 1957
2 sheets-sheet 1
Nov. 1, 1938.
2,135,416
F. H. STOTTS
TRAFFIC SIGNAL
Filed June 5, 1957
2 Sheets-Sheet 2
I
J /
awwe/wbms
Patented Nov. 1, 1938
2,135,416
* UNITED STATES
PATENT OFFICE
2,135,416
TRAFFIC SIGNAL
Francis H. Stotts, Wynne, Ark.
Application June 3, 1937, Serial No. 146,250
3 Claims.
This invention relates to an improved tra?ic
signal for use upon automobiles and other ve
hicles, and one object of the invention is to pro
vide a device of this character which is of com
(Cl. 177-329)
Figure 4 is a sectional view taken longitudinally
through the signaling arm,
pact construction and capable of being mounted
Figure 5 is a view in elevation looking at the
inner or lower side of the signaling arm,
Figure 6 is a sectional view taken transversely
at a side of a vehicle without detracting from
the appearance of the vehicle.
Figure 4, and
through the signaling arm along the line 6-6 of
.
Another object of the invention is to provide
a traf?c signal wherein signals of a duplicate
construction will be mounted at opposite sides of
matter of this invention is for use upon an auto
the vehicle and each include a signaling arm piv
mobile or other vehicle and may be of any dimen
otally mounted in a housing containing actu
sions desired which will permit the signaling arm
to be readily seen when swung outwardly and
upwardly to an extended or operative position.
While only one signaling device has been shown 15
in Figures 1 and 2, it is to be understood that one
of the signaling devices will be mounted at each
side of the automobile and the appropriate sig
ating mechanism which will cause the arm to
be swung outwardly when a turn is to be made
and thus clearly indicate to pedestrians and
drivers of other vehicles the direction in which
a turn is to be made.
It is another object of the invention to so con
Figure 7 is a Wiring diagram.
The signaling device constituting the subject
struct the device that, when the signaling arm
naling device energized to swing its indicating
20 is in the retracted position, it will be disposed
arm outwardly and upwardly‘ to the extended or
vertically in the housing and form a closure
for the open outer side of the housing through
which the arm moves upwardly to an extended
operative position according to which direction
it is intended to turn the automobile. The hous
ing I of the signaling device may be formed of
operative position.
sheet metal or any other desired material.
.
25
Another object of the invention is to provide
improved electrically actuated means for oper
ating the arm, the means being so constructed
that, when the arm is swung downwardly to the
retracted position, it will be ?rmly secured and
30
prevented from accidentally swinging outwardly.
Another object of the invention is to provide
brackets at opposite sidesrthereof and then pass
actuating means wherein bracket members serve
not only as supports for a solenoid but also as
the screws through’ the brackets with their
means for pivotally mounting the arm.
35
‘
Another object of the invention is to so con
struct one of the brackets that it may be ?rmly
mounted in the housing but at the same time
easily released for removal when replacements or
repairs are necessary.
40
This
housing is disposed vertically when in use and is 25
secured in the upright position by screws 2 which
pass through a bracket 3 ?xed to a convenient
portion of the automobile 4. It will thus be seen
that in order to apply the signaling device to
the automobile it is merely necessary to secure 30
_
Another-‘object of the invention is to provide an
arm which may be formed from a strip of sheet
metal bent to the desired shape and in addition
provide this arm with improved means for carry
ing a light bulb.
i
The invention is illustrated in the accompany- ,
ing drawings, wherein
Figure l is a sectional view’ taken vertically
through the improved signal with the signaling
arm in the lowered or retracted position.
Figure 2 is a View similar to Figure 1 showing
the signaling arm swung upwardly to an extended
position,
Figure 3 is a view taken along the line 3—3 of
Figure 2,
'
threaded end portions extending through the
inner side wall of the housing and into threaded
openings formed in a metal plate 5. Therefore,
the screws serve as means for mounting the
housing upon the brackets and also as means for
securing the plate 5. This plate carries an an
choring bolt 6 which is riveted through the plate
and the inner wall of the housing and is formed
with a head 1 which is substantially elliptical or
semi-oblong in shape when viewed as shown in
Figure 3.
a
a
The actuating element of the signaling devicev
consists of a solenoid 8 which extends vertically
in the housing and at its upper and lower ends
is secured to brackets‘ 9' and I0.
The
lower' ‘
bracket constitutes a mounting bracket and is
formed with a transversely elongated opening Hv '
of the proper size and con?guration to permit
passage of the head 7 of ‘the anchoring bolt 6,
and referring to Figures 1 and 3, it will be seen
that, after the head of the bolt has been passed
through the opening II, a screw-driver may be
engaged in the groove of the bolt and the bolt
2,135,416
turned to extend the head in crossed relation to
the opening II with ‘end portions of the head
overlapping the bracket above and below the
opening. A tongue l2 extends from the upper
end of the upper bracket 9 and is curved longi
tudinally so that it will extend away from the
inner wallof the housing. Therefore, when the
arms I3 at opposite sides of theupper bracket
arerengagediunderthe'arms l4 of a plate I5 se
1b
cured against the upper end of the inner wall of
the housing and the bolt 6 is engaged through
the opening it ‘and turned to dispose'its head
is pivoted to the core or plunger .33 of the sole‘
noid 8. The nose or side arm 34 of the link 32
extends laterally therefrom in such position that,
when the signaling arm is swung downwardly to
the lowered or retracted position shown in Fig
ure 1, it will engage the tongue l2 of the upper
bracket 9 and very effectively prevent the signal-_
ing arm from swinging outwardly and upwardly
to a raised position about the pin 35, by means '
of which it is pivotally mounted between the’
arms736 ‘of the upper bracket. When the sole
10"
noid is energized and its core is pulled down
'1 in the securing position, a set screw I6 threaded, vwardly, the force exerted will tilt the‘link 32V to
a position moving its nose 34 out of binding en
through the tongue l2 may be turned'in a direc
15 tion to apply pressure'against the plate I'S’an'd ~ gagement with the tongue l2 and swing the bear 15'
tilt the solenoid and the two brackets away from I ing bracket 21 downwardly and during such
the inner wall of the housing.‘ This will cause 7 ‘movement the ?nger 30 upon reaching rear ends
' the arms l3 to be brought into tight bindingené- ~ ‘of the registering" openings through which it '
gagement with the arms l4 and also cause a bind
"720
ing action to take place between the bracket l0
'and- the overlapping end portions of the head
‘ passes will exert pull upon the inner end of the
signaling ‘arm and cause the signaling arm to 20
swing upwardly to theraised or extended posi-'
tion. When the signaling arm is in the lowered
secured. When, however, it is desired to remove ' or retracted position, the spring 26 which engages
the brackets and the solenoid together with other the link-holds the lug in engagement with the
tongue in axial alinement with the arms of the 25
_mechanism ‘carried thereby, it is merely neces
sary to unscrew the set screw a suf?cient distance bearing bracket and it will be impossible to swing‘
to move its inner end out of binding engagement the signaling arm to the raised position until the a
with the plate 15 and the bolt 6 may then be link and the bearing bracket 21 have again been
easily turned to a releasing position and removal shifted downwardly. This can be accomplished
either by pull exerted when the solenoid is ener 30'
>
a
i
'
{30 may be easily accomplished.
gized or by engaging the outer end- of the ?nger
The-signaling arm, which is indicated'in gen
eral by'the numeral IT, has a. frame formed from 30 with a ?nger nail or the like and imparting
a strip'of sheet metal bent intermediate its length tilting movement to the bearing bracket.
In order to illuminate the signal, there has
to providea head l8 and arms, Hand 20 ex
35 tending rearwardly therefrom to provide a shank been provided a bulb '31 mounted in a socket 38
for the signaling arm. Grooves are formed along carried by the inwardly extending tongue 39 at one .
side edge portions vof the strip to provide the ‘ end of a plate 40 which ?ts into an opening 4|
head’ and’ the shank of the signaling arm with formed ‘in the under or inner wall of the head l8
seats to receive edges of side walls 2| formed of of the signaling arm. The other end portion of
light 'penetrable material whichis preferably this'plate is reduced in width to form-a tongue 42 40
translucent and may be Celluloid or any other which ’ passes through the opening and bears
against the inner surface of the wall of the cas
' desired material. The side walls are'preferably
colored in order that the interiorof the signaling ing. A socket 43 to'r‘eceive the other end of the
' arms'will be concealed and they may be marked .bulb is carried by a resilient mounting strip 44 '
" “Right”or “Left”, as shown at22, and also of conductive material and when the plate is
of the bolt and the two' brackets will be ?rmly
r
' otherwise vmarked in order to attract attention
when the signaling arm is swung vmitwardly and
upwardly from the housing to the-extended po
sition. A mounting block’ 23, which isxalso pref
erably formed of sheet metal andiof ‘hollow for
‘ mation, ?ts between rearen'd portions of; the
arms 19 and 20 of the casing for the signaling
arm where it is "secured by bolts 24: 2,116,725, and
referring particularly to. Figureji,‘ it will be seen'
‘that the bolt 25 not only serves to secure the
"mounting block between the arms ofrthe casing
7 but also serves as securing meansforja spring
26 formed from a ,narrow'strip of resilient sheet
snapped into place through the opening 4| the
resiliency of, the mounting strip-Will cause the
, plate to'be ?rmly’ held vin place with the socket 38 " e
in engagement with thestrip 45 of conductive
material which servesrto ground one end of the
bulb to the metal frame ofthe casing. A notch’
46 is provided in the plate to permit the plate
to be slid' into position for removal. ‘ The mount
ing strip 44' is secured in insulated relation’ to
' the casing,:as shown at- 41, and engaged by a
5'5.
wire 43 which extends longitudinally through the
signaling arm and has its other end secured to]
a terminal bolt 49 carried by the lower bracket lo
metal. A bearing bracket ?r’is‘pivotally con ' and insulated therefrom by. the strip of insula
tion 50. ‘ This terminal-49 is also engaged by the :60 i '
'60 nected with the rear end of ‘the. mounting block
23 by a pin 28 and this pin 28 carries a spring- 29 conductor y5lleading from one end of the coil of
the solenoid and by a conductor wire 52 constitut
which yieldably 'holds'th'e bearing bracket trans
versely of. the mounting block at substantially ing one of the power wires which extends through’
right angles theretor A lug or ?nger 30 extends a'flexible tube 53 having an end secured through
from the bracket 21 through alined openings the bottom of the housing‘ I. The other power 65.
'
j formed in rear end portions of the mounting’ wire 54 is secured to the terminal bolt 55'carried'
by the lower bracket 1 0 which has a grounded con-i »: r‘ ' "
'block and the arm '20 of the casing of the sig
naling arm to limit swinging/movement of the\ nection‘ with the inner wall ' of the casing If
'bracketi‘l inrone direction by action of the through the medium of the plate 5" and as the 7
'1 spring 29 and also to provide a trigger by means upper bracket '9 also'bears aga'insti'the housing 70.7
of which this bracket maybe swung in a direc
tion to move the arms 3|, of the bracket for
wardlyt 'A link '32 of a bell crank formation is
7 pivotally mounted between the arms 3| of the
bracket name this link» which serves as a latch
a grounded connection will be provided: fo-r' the
socket 38. It will thus be seen that, when the cir
cuit is completed, the solenoid may be energized
to swing the .signalingarm upwardly to'the‘ex-r
tended or operative position and the bulb willbe 75
'
3
2,135,416
lighted to illuminate the interior of the signaling
arm.
When this improved signaling device is in use,
two will be employed, one being mounted at each
side of the automobile with its housing extending
vertically. A three-wire circuit is made use of
and when the switch arm 56 is swung to engage
a selected one of the contacts 51 either the right
hand signal or the left hand signal will be
10 energized according to which of the contacts 5'5 is
engaged by the switch arm. When the circuit for
one of the signals is closed, its solenoid will be en
ergized and the core or plunger 33 thereof drawn
downwardly. This will cause the arm 34 of the
15 link 32 to be drawn downwardly out of position to
bear against the upper end portion of the tongue
!2 and the bracket 21 will also be tilted down
wardly and the signaling arm swung upwardly
out of the housing to the extended position.
Closing of the switch also causes the bulb in the
signaling arm- to be lighted and the interior of
the signaling arm will be illuminated. Therefore,
the signaling arm may be clearly seen and a
pedestrian or the driver of another vehicle will be
warned of the direction in which a turn is to be
made. After a turn has been made the switch
will be again opened and thus break the circuit
through the solenoid and the lamp. The weight
of the signaling arm will cause it to swing down
30 wardly and into the housing to a retracted posi
tion, and since the side arm 34 of the link will
assume the position shown in Figure 1 where it
will be in alinement with the bracket 21, the
signaling arm will ‘be braced against outward
35 movement and con?ned within the housing. In
View of the fact that the spring strip 26 bears
against the link when the signaling arm is in the
lowered or retracted position, the link and its
side arm will be maintained in the desired posi
40 tion and prevented from accidentally turning to a
position in which the signaling arm will not be
properly secured.
Having thus described the invention, what is
45
claimed as new is:
1. In a signaling device for vehicles, a housing
open along one side and adapted to be mounted
upon a portion of a vehicle, a solenoid, upper and
lower mounting brackets for the solenoid de
tachably mounted in the housing, upper and
50 lower plates in said housing, a fastener carried
by the lower plate and detachably engaging the
lower bracket, a signaling arm pivotally carried
by the upper bracket and extending vertically in
the housing in a retracted position, a resilient
55 tongue carried by the upper bracket and over
lapping the upper plate, a set screw carried by
said tongue and engaging the upper plate to ex
ert frictional grip between the upper plate and
the upper bracket, a bearing bracket pivoted to
60 the upper end of the signaling arm and extend
ing laterally therefrom, a spring yieldably re
sisting pivotal movement of the bearing bracket
towards the solenoid when the signaling arm is
in its vertical position, and a link pivoted at its
65 ends to the bearing bracket and the upper end
of the core of the solenoid and having a side ex
tension extending longitudinally of the bearing
bracket and adapted to engage the tongue of the
upper bracket and prevent movement of the sig
70 naling arm out of a Vertical position until the
bearing bracket is swung downwardly in oppo-_
sition to action of its spring.
2. In a vehicle signaling device, a housing open
along one side, a signaling arm disposed verti
cally in the housing when in a retracted posi
tion and projecting laterally out of the housing
in a horizontal position when in an extended po
sition, upper and lower brackets, an actuating
member secured vertically between the brackets,
an upper plate in the housing having portions for 10
overlapping the upper end of the upper bracket,
a tongue extending from the upper bracket and
overlying the upper plate, a set screw carried by
said tongue for engaging the upper plate and ex
erting pressure for creating binding grip between 15
the upper bracket and the overlapping portion
of the upper plate, a lower plate in the housing,
a securing bolt rotatably carried by said lower
plate and having an elongated head adapted to
pass through a correspondingly shaped opening 20
in the lower bracket and secure the lower bracket
when the bolt is turned to a position disposing
this headin overlapped relation to the bracket
at opposite sides of the opening therein, and an
operative connection between the actuating mem
25
ber and the signaling arm.
3. In a signaling device for vehicles, a hous
ing open along one side, means for supporting
said housing in a vertical position, mounting
means in the housing including a bracket having 30
horizontally extending bearing arms adjacent
the upper end of the housing, actuating means
associated with said mounting means and includ
ing a plunger shiftable vertically in the hous
ing, a signaling arm of a size adapting it to be 35
disposed vertically in the housing when in a re
tracted position, said signaling arm having a
casing consisting of a strip bent to form opposed
walls for the casing, other opposed walls of light
penetrable material carried by the ?rst-men 40
tioned walls, a block secured between end por
tions of the ?rst-mentioned walls of the casing
and overlapped by end portions of the light pene
trable walls, said block being pivotally connected
with the arms of the bracket to pivotally mount 45
the signaling arm between the bearing arms for
swinging movement from a vertically disposed re
tracted position within the housing to an extend
ed position in which it projects laterally from the
housing through the open side thereof, a bearing
bracket pivoted to said block and extending lat 50
erally thereof and provided with arms at its in
ner end and a lug at its outer end extending
through an opening in one of the ?rst-mentioned
walls of the casing of the signaling arm, and a
link extending between and pivoted to the arms 55
of the bearing bracket and the plunger and at its
upper end being formed with a side arm extend
ing longitudinally of the bearing bracket in po
sition to have abutting engagement with a por
60
tion of the ?rst-mentioned bracket and pre
vent swinging movement of the signaling arm to
the extended position until the bearing bracket
is swung about its pivot by pull exerted when
the plunger is shifted downwardly or pressure 65
applied to the outer end of the lug extending
through the opening formed in the wall of the
casing of the signaling arm.
FRANCIS H. STOTTS.
70
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