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Патент USA US3085234

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April 9, 1963
3,085,224
P. N. BECKA
SIGNAL CONSTRUCTION
Filed April 4, 1960
5 Sheets-Sheet 1
INVENTOR.
PAUL
N. BECKA
BY MW) V’ M
April 9, 1963
P. N. BECKA
3,085,224
SIGNAL CONSTRUCTION
Filed April 4, 1960
5 Sheets-Sheet 2
L___.__ _____._____._
Mm l J
Fig.6
INVENTOR.
PAUL N. BECKA
BY (A)
“ q,
6111;, ,
April 9, 1963
P. N. BECKA
3,085,224
SIGNAL CONSTRUCTION
Filed April 4, 1960
5 Sheets-Sheet 4
FIG."
INVENTOR.‘
PAUL N. BECKA
BYU
ATTORNEYS
April 9, 1963
3,085,224
P. N. BECKA
SIGNAL CONSTRUCTION
Filed April 4, 1960
5 Sheets-Sheet 5
INVENTOR.
PAUL N.BECKA
BY
' WWW-x + M
ATTORNEYS
United States Patent
3,ll85,224
Patented Apr. 9, 1963
1
2
tion may be had by referring to the following descrip
3,085,224
tion ‘and claims, taken in conjunction with the accom
SIGNAL CONSTRUCTION
panying drawings, in which:
Paul N. Becka, 1308 Bunts Road, Lakewood, Ohio
Filed Apr. 4, 1960, Ser. No. 19,963
9 Claims. (Cl. s40_10s)
FIGURE 1 is an isometric view of the signal of the
present invention as mounted on a supporting post;
FIGURE 2 is an exploded isometric view of the signal
shown in FIGURE 1;
The invention relates in general to signals and more par
ticularly to pedestrian control signals which are easily
FIGURE 3 is a side elevational view in section of the
signal shown in FIGURE 1;
assembled and disassembled with consequent ease in serv
icing and repairing the same.
Pedestrian control signals which are in use at the pres
ent time are generally mounted on a pole or post at an
10
FIGURE 4 is a ‘fragmentary view of the switch means
shown in FIGURE 3;
FIGURE -5 taken along the line 5—5 of FIGURE 4;
intersection with the back of the housing which contains
FIGURE 6 is a view of the back side of the removable
tray shown in FIGURE 2;
the signal components butting up against the post. The
electrical circuit components which energize and de-ener 15
FIGURE 7 is an exploded isometric view of another
gize the signal lamps are ?xedly secured within the hous
signal constructed under the teachings of the present
ing. Consequently when the signal needs repair, it is dif
invention;
?cult, if not impossible, to get at the electrical circuit
FIGURE 8 is an isometric view of the parts shown in
components without removing the entire signal from its
FIGURE 7 with the parts in assembled condition;
mounting place. If it is possible to gain entrance to the 20 FIGURE 9 is an exploded isometric view of one of the
exploded parts shown in FIGURE 7;
inside of the housing to get at the electrical circuit com
ponents, it is generally awkward and dif?cult to work on
FIGURE 10 is a side elevational view in section of the
signal shown in FIGURE 8;
the same because of the limited amount of space in which
there is to mount the components. It is also dangerous
FIGURE 11 is a view taken generally along the line
‘from the standpoint that there is generally no way to dis 25 11—-11 of FIGURE 10;
FIGURE 12 is a view taken generally along the line
connect the electrical components from the source of
12-12 of FIGURE 10; and
power which is used to energize the signal.
FIGURE 13 is a view taken generally along the line
It is therefore an object of the present invention to pro
13—13 of FIGURE 10.
vide a control signal and more particularly a pedestrian
control signal which is easily serviced and repaired with 30 The control signal of the present invention has been
indicated generally by the reference numeral 10‘ and in
out having to remove the entire signal from its mounting
FIGURE 1 has been shown as mounted to a supporting
place.
post 11. The signal includes a housing 12 which has top,
, Another object of the invention is to provide a pedes
trian control signal which may be opened and entered
bottom, back, and ?rst and second side walls indicated
35 by the reference numerals 13 through 17, respectively.
from the front.
The housing may also be referred to as having a back
, Another object of the invention is to provide a pedes
wall and four side walls. The top and bottom walls and
trian control signal wherein the lamps and electrical cir
the ?rst and second side walls of the housing terminate
cuit components are mounted upon a removable tray
at their ends opposite the back wall 15 to form an open
which may be removed from the signal in the event they
40 front face on the housing which is generally de?ned by
come into disrepair and may be readily repaired.
a ?ange 20 which extends around this open front face.
Another object of the invention is to provide a pedes
The signal 10 also includes a hood 23 which comprises
trian control signal which has a source of electrical energy
an annular frame 24 which has a ?ange 27 which is com
cooperating therewith to energize the same, with a new
plementary to the housing ?ange 20. Integrally formed
and novel switch means for alternatively connecting ‘and
45 with the annular ‘frame and extending therefrom on a side
disconnecting the source of electrical energy.
opposite the ?ange 27 are ?rst and second side walls 29
Another object of the invention is to provide a pedes
and 30, respectively, and a top wall 28. Mounted in the
trian control signal which includes a housing and a hood,
annular frame 24 is a transparent closure member 38; for
each have complementary mating ?anges, with a means
example, constructed of glass or plastic material. When
for securing a side of each of the ?anges together to pro
the signal 10 is in use, the hood 23 and the housing 12
vide for a lost motion swinging movement between the
are secured together as shown in FIGURES 1 and,3 by
two to provide entrance to the housing.
bolts '37 which extend through mating holes 66 which are
Another object of the invention is to provide a pedes~
provided in the respective ?anges. A sealing member 40
trian control signal including a removable tray which
is disposed between the flanges 20‘ and 27 to provide a
carries lamps and the electrical circuit components for
tight seal between the hood andithe housing. To provide
operating the lamps, with switch means for alternatively
connecting and disconnecting a source of electrical energy
and the electrical circuit components which switch means
include a ?xed part mounted by the housing and a mov
a lost motion swinging movement between the hood and
the housing in the event it is desired to expose the interior
of ‘the housing, ?rst and second rings 42 and 43, respec
a handle for moving the movable part.
Another object of the invention is to provide a pedes
trian control signal having a translucent or transparent
panel with instructions thereon with a new and novel
plete separation of the hood and housing whereby the
able part mounted by said removable tray and including 60 tively, are provided which extend through the bottom
sides of the ?anges 20 and 27. This permits the housing
to be opened from the front while still preventing com
hood will never become lost from the control signal. This
loose connection which is provided by the use of the
means for holding the panel in place.
65 rings 42 and 43, respectively, permits the ?anges to be
Another object of the invention is to provide a pedes
adjusted so that the holes 36 match up and so that the
trian control signal with an enclosure member to house
lamp means with opposite ends of the enclosure being
bolts 37 may be inserted therethrough to secure the hood
in place as shown in FIGURES 1 and 3 for use during
closed by a transparent or translucent panel and a tray or
operation of the signal.
panel member which carries the lamp means on one side 70
As best seen in FIGURE 2, ?rst and second brackets
thereof and electrical circuit components on the other.
46 and 47 are respectively mounted to the top and bot
Other objects and a fuller under-standing of the inven
tom walls 13 and 14, respectively, of the housing 12.
3,085,224
3
A removable tray or panel 50 having substantially the
same dimensions as the inner dimensions of the housing
is mounted within the housing by the brackets 46 and
47, respectively. The tray is secured to the brackets by
it
necessary to remove the bolts 37 which extend through
the holes 36 in the ?anges 20 and 27. When this has
been done, the hood is swung into the position shown in
FIGURE 2 whereat the rings 42 and 43 keep the hous
means of screw members 48. As will be noted in FIG
ing and hood from becoming completely separated from
URE 3, the brackets 46 and 47 are spaced from the
each other. The switch means 62 is then disconnected by
open face of the housing a predetermined distance which
grasping the handle 80 and pulling outwardly from the
is substantially the same dimension as the depth of the
position shown in FIGURE 4 to that which is shown in
removable tray 50. Handles 53 are provided on the
FIGURE 3. The source of electrical energy is now dis
tray 50 to facilitate moving of the same. The removable 10 connected from the electrical circuit components which
tray 50 is provided with ?rst and second side portions
are carried by the removable panel or tray. The remov
51 and 52, respectively, and the ?rst side portion mounts
able panel can then be easily removed from the housing
a gaseous discharge lamp 55 which is in the form of a
by unscrewing the screw members 48 which extend into
continuous luminous tube. This continuous tube, as will
the brackets 46 and 47. The removable panel which
be readily recognized, could be a plurality of tubes 15 carries the lamps and the electrical circuit components
rather than a single continuous one. The lamp which
may then be carried by the handles 53 and removed and
is carried by the ?rst side portion of the tray, as will be
may be immediately replaced by another panel. It will
be noted that the handles 53 extend out beyond the ex
noted, is formed into the words, “DON’T” and “WALK.”
tent of the discharge tube or lamp means whereby the
The words, of course, could be different and could con
vey the same or different messages. The second side por 20 panel may be laid on its ?rst side portion while being
worked on without damage to the tube. The defective
tion 52 mounts electrical circuit components which have
been referred to generally by the the reference numeral
panel may then be removed to a repair shop where it
58. The electrical circuit components and the lamps
can again be put in working condition without shutting
which are carried by the removable tray might be, for
down the control signal. In the event the repairs are
the sake of example, the same as those disclosed in my 25 not extensive, the defective panel may be removed from
co-pending United States patent application, Serial No.
the housing and worked on immediately and put back
653,705, ?led April 18, 1957. The electrical circuit com
into service with little danger from electrical energy be
ponents 58 which are carried by the second side of the
cause of the inability to disconnect the signal from the
removable tray are energized and de-energized by an elec
source of electrical power. The panel or tray may also
trical energy source which comes from a traf?c controller
be conveniently manipulated and can be easily removed
separate from the signal here shown.
from the housing and as a result work upon the same is
This source of
electrical energy has been shown in the accompanying
rendered quite simple. It is also unnecessary as will be
drawings as entering the housing by way of three elec
observed, to completely dismantle the signal from the
trical conductors 59, 60, and 61, respectively (FIGURES
support post to which it is attached, which is in most in
3 and 4). Interposed between the electrical circuit com 35 stances, quite a job. It will be noted that entrance to
ponents 58 and the electrical conductors which bring in
the housing is gained from the front rather than from
the source of electrical energy is switch means indicated
generally by the reference character 62 and best shown
in FIGURES 4, 5, and 6. The switch means 62 includes
the rear and access to the device is quite simple as com
pared to other devices. The use of the ring members
42 and 43 insures that the hood and the housing do not
generally a ?xed part 64 and a movable part 65. The 40 become separated and also provides for a loose connec
?xed part 64 includes an insulated mounting strip 66 Se
tion so. that the respective ?anges may be aligned and
cured to the second side wall 17 of the housing ‘12 by
the bolts inserted through the holes to secure the hood
members 67. Mounted to and extending from the strip
and housing together.
66 are three ?xed contacts 70. The electrical conduci
FIGURES 7 through 13 show the modi?ed form of
tors 59, 60, and 61 are each electrically secured to a ?xed 45 the pedestrian control signal which includes in combina
contact 70 as at 71. The movable part 65 of the switch
tion a, housing v160 having a back wall 101, four side
means 62 includes a bracket 73 secured to the second side
walls 102 through 105, respectively, and an open front
of the removable tray 50. Fixedly secured to the bracket
face. A hood 108 is secured to the housing 100 by way
73 is an insulated mounting support 74 from which
of screws 109, and the hood extends around three sides
guide members 75 laterally extend. Three movable con 50 of the open front face. The hood serves to enable
tacts 76 which are adapted to engage the ?xed contacts
70 are mounted on a slidable member 77 which in turn
is guided in its movement by the guide members 75 ex
tending through elongated slots 78 in member 77. Se
pedestrians to observe the signal 7 more easily. Wall
means 111 serve to de?ne a ?ange which is carried on
the side walls and extends completely around the inner
surface of the housing. As will be noted, the ?ange is
cured to ‘the slidable member 77 is a handle 80 which 55 spaced from, the open front face of the housing a prede~
extends through the removable tray to the ?rst side there
termined distance.
of where it may be readily reached upon gaining access
A tray or panel member 114 is provided which has
to the housing through the open face. Each of the three
substantially the same shape as the open front face of the
movable contacts 76 are electrically connected to electri
housing and is also provided with ?rst and second side
cal conductors 82, 83, and 84, respectively, which in turn V60 portions 116 and 117‘, respectively. Lamp means 119 are
are connected to the electrical circuit components 58
carried on the ?rst side of the tray 116 and in this em
which are mounted upon the second side of the IEIIIOV':
bodiment, the lamp means include ?rst, second, and third
able tray 50. FIGURES 4 and 5 show the switch means
continuous gaseous tubes 121, 122, and 123, respec
62 in the connected position and FIGURE 4 shows, the
tively. The tubes 121 and 122 are preferably red in
switch means in the disconnected position. In the posi 65 nature when illuminatedQand the gaseous tube 123 is
tion shown in FIGURE 3, the panel 50 de?nes a ?rst
preferably green in color. Electrical circuit components
compartment 89 within which the gaseous discharge tube
125 arecarried on the second side 117 of the tray and
resides and a second compartment 90 within which the
serve to aid in illuminating the gaseous discharge tubes
circuit components reside. The gaseous discharge tube
carried on the ?rst side of the tray. These electrical
55 which has been shown is supplied with electrical en 70 circuit components are similar to those described in
the signal of FIGURES lthrough 6. An enclosure
ergy at its end portions by means of terminals 85 and
member 127 is provided for housing the lamp means
86, respectively, and at its intermediate portion by ter
referred to above and the enclosure member comprises
minal 87.
four side walls 129 through 132, which give the en
In operation, if it be desired to gain access to the
interior of the signal as shown in FIGURE 1, it is 75 closure member substantially-the same shape as the open
3,085,224.
5
front face of the housing and a depth approximately the
same as the above-referred to predetermined distance.
Before assembly, the enclosure member has an open front
and back.
A wall member 134 serves to divide the en
closure member into ?rst and second chambers 135 and
136, respectively. The open front of the ?rst and second
chambers 135 and 136 are closed by transparent or
6.
the ?rst and second switch parts 168 and 170, respec
tively, are separated. This disconnects the electrical
circuit components and the lamp means from the external
source of electrical energy which is supplied to the ?rst
switch part 168 in a manner similar to that shown in
the device of FIGURES 1 through 8.
FIGURE 12
shows the ?rst and second switch parts in contacting
translucent glass members 139 and 140, respectively.
engagement with each other when the enclosure member
is in place in the housing 1and resting against or sup
inner surface thereof in such manner as to spell out 10 ported by the ?ange 111. It is with this construction
The glass member 139 has black paint applied on the
the word “DON’T”; and in a like manner, the word
“WALK” is spelled out on the second glass member 140.
that the new and novel means for housing the gaseous dis
charge tubes in the enclosure member is provided along
with the convenient means of disrupting the supply of
A sealing member 142 (FIGURES 10, 11, and 13) ex
tends completely around each of the ‘glass members 139
electrical energy when the panel member and enclosure
and 140 and lies between the glass members and a ?ange 15 member are removed from the housing. It will also be
appreciated that the spring means provided for holding
144 on the enclosure member 127. The sealing mem
the translucent or transparent panels in position provides
ber 142 is squeezed between the glass member and the
a very novel construction. It might also be pointed out
?ange 144 by means of a plurality of springs 146. The
that the arrangement of the electrical circuit components
construction and operation of each one of the spring
members 146 may be best understood by referring to 20 is such that tubes 121 and 122 are energized at the same
time, thus illuminating the words, “DON’T WALK” in
FIGURE 13. Each of the springs 146 is constructed of
red and tube 123 is energized by itself thus illuminating
?at spring material having a ?rst end portion 148 lying
the word, “WALK” in green.
in generally ?at engagement with the glass member. A
This application is a continuation-in-part of my appli—
toe portion forms an integral part of the spring and over
hangs a side of the glass member to prevent movement 25 cation, Serial No. 663,142, ?led June 3, 1957, for Signal
Construction.
of the spring member in one lateral direction, indicated
Although this invention has been described in its pre
by the arrow 151. The direction of the force tending to
ferred form with a certain degree of particularity, it is
squeeze the sealing member 142 between the glass mem
understood that the present disclosure of the preferred
her and the ?ange 144 has been indicated by the arrow
152. The spring has a second end portion 154 which 30 form has been made only by way of example and that
is secured to and extends from the ?rst end portion 148.
The extreme end of the second end portion 154 engages
an abutment 155 for a purpose which will be described
numerous changes in the details of construction and the
combination and arrangement of parts may be resorted
to without departing from the spirit and the scope of the
invention as hereinafter claimed.
hereinafter. The straight line distance between the abut
What is claimed is:
ment 155 and the point of connection 156 between the 35
1. A pedestrian control signal including a housing hav
?rst and second end portions of the spring is less than the
ing top, bottom, back and ?rst and second side walls, said
length of the second end portion. As a result, in order
housing having an open ‘front face, a ?ange extending
to assemble the spring member into the full line position
around said open front face, an annular frame having a
indicated in FIGURE 13, it is necessary to ?rst place
?ange complementary to said ?ange of said housing, a
the spring in the dotted line position and move it into the
top wall and ?rst and second side walls on said frame, a
full line position by pushing it in a direction opposite
transparent closure carried by said annular frame, said
‘to the arrow 151. It may thus be said that the second
frame and housing ?anges being secured together by bolts
end portion of the spring in the assembled condition is
extending through the same and with a sealing member
bowed in another lateral direction which is opposite to
the lateral direction indicated by arrow 151. It will thus 45 therebetween, ?rst and second ring members extending
be seen that any force exerted on the glass members
through said frame and housing ?anges to permit swing
from outside the enclosure only tends to urge the spring
members more strongly in said another lateral direction.
The back of the enclosure member 127 is closed by
means of the tray or panel member 114 which is secured
in place by means of screws 158. With the tray in place,
as described, the gaseous discharge tube 121 resides in
the ?rst chamber 135 whereas gaseous discharge tubes 122
and 123 reside in the second chamber 136. Handles 159
ing movement of said frame and housing relative to each
other without complete separation of same to expose said
open front face of said housing, brackets secured to the
inside walls of said housing a spaced distance from said
open face, a removable tray mounted in said housing by
said brackets and having ?rst and second side portions,
said ?rst side portion mounting a luminous tube, handles
on said tray extending beyond the extent of said luminous
and 160 are connected to the enclosure member and serve 55 tube for protection of same,‘ said second side portion
as a convenient means for placing the enclosure member
mounting electrical circuit components foreifecting en
with the attached tray into and out of the housing. The
ergization of said luminous tube, switch means for alter
enclosure member is securely held in :position in the hous
natively connecting and disconnecting said electrical cir
ing by means of bolts 161 which extend through U-shaped
cuit components to an electrical power source, said switch
slot 162 in the end of a bar member 163 which is ?xedly 60 means including a ?xed part secured to one of said hous
connected to the enclosure member.
ing walls, a movable part movable into and out of en
In order to supply electrical energy to the electrical
gagement with said ?xed part, a lost motion connection
circuit components and the lamp means, a switch indi
between said movable part and said removable tray for
cated generally by the reference numeral 166 has been
actuation of said switch means as said tray is inserted and
provided. The switch includes a ?rst switch part 168 65 removed from said housing, and an insulated handle
?xedly mounted on the side wall 102 of the housing 100
member operably connected to said movable part and ex,
a distance from the open front face which is greater
tending from said ?rst side portion of said removable tray
than the above-referred to predetermined distance. The
for moving said movable part into and out of engage
switch also includes a second switch part 170 which is
ment with said ?xed part to actuate said switch means
?xedly secured by means of bolts 171 to the second side 70 independently of movement of said tray.
of the tray 114. The second switch part 170, therefore,
2. A pedestrian traf?c sign-a1 comprising, a housing
having a back wall and four side Walls and an open face,
bracket supports carried on said side walls and spaced
from said open face a predetermined distance, a tray
to which the panel member 114 is attached, is removed
from the housing by using the handles 159, and 160, 75 having the same size and shape as said housing and a
moves with the tray or panel member.
It will thus be seen that when the enclosure member
3,085,224
7
8
depth approximately said predetermined distance and
means de?ning a front opening into said housing, a panel
having a ?rst and second side portions, lamp means car
ried ‘by said ?rst side portion of said panel, electrical cir
cuit components for illuminating said lamp means car
ried by said second side portion of said panel, handle
means mounted on said ?rst side portion of said panel
and extending beyond the extent of said lamp means,
means ‘for removably securing said panel within said
adapted to abut said bracket supports, ?rst and second
sides on said tray, gaseous discharge lamp means carried
on said ?rst side of said tray adapted to face the open
face of the housing, electrical circuit components carried
on said second side of said tray for effecting energization
of said lamp means, a disconnect switch comprising ?rst
and second parts, said ?rst part being mounted on a side
wall of said housing at a distance from said open face
housing, said panel being removable from said housing
greater than said predetermined distance, means for sup 10 through said front opening, hood means for closing said
plying energization to said ?rst part, lost motion means
front opening of said housing, an electrical energy source
for mounting said second part on said second side of said
supplying energy to said electrical circuit components,
tray, contact means on said second part movable into en
switch means between said electrical energy source and
gagement with contacts on said ?rst part with said tray in
said electrical circuit components, said switch means com
engagement with said bracket supports, and a plunger 15 prising a ?xed part mounted on said housing and a mov
connected to said movable contact means extending
able part, lost motion means mounting said movable part
through said tray to said ?rst side thereof, and means to
in said second side portion of said panel to be movable
fasten said tray to said bracket supports, whereby upon
relative to said ?xed switch part and said panel, and an
removal of said fastening means, said tray, lamp means
insulated handle operably connected , to said movable
and electrical components may be removed as a unit from 20 switch part and extending outwardly of said ?rst side por
said housing through said open face for servicing with
tion of said panel for moving said movable switch part
consequent separation of said disconnect switch.
into and out of contact with said ?xed switch part.
3. A pedestrian tra?ic signal comprising, a housing
‘7. A pedestrian control signal including a housing, wall
having a bottom wall and four side walls and an open
means de?ning an opening into said housing, a panel hav
face, bracket supports carried on said side walls and 25 ing ?rst and second side portions, lamp means carried by
spaced from said open face a predetermined distance, a
said ?rst side portion of said panel, electrical circuit com
tray having the same size and shape as said housing and
a depth approximately said predetermined distance and
ponents for illuminating said lamp means and carried by
said second side portion of said panel, said panel being
designed to complementarily rest upon said bracket sup‘
removable from said housing through said opening, means
ports, ?rst and second sides on said tray, gaseous dis 30 for securing said panel within said housing, an external
charge lamp means carried on said ?rst side of said tray,
source of electrical energy supplying energy to said elec
electrical circuit components carried on said second side
trical circuit components, switch means between said elec
trical energy source and said electrical circuit components,
a disconnect switch comprising ?rst and second parts,
said switch means comprising a ?rst part ?xedly mount
means for supplying energization to said ?rst part, lost 35 ed by said housing and a second part mounted by said
motion means for mounting said second part on said sec
second side portion of said panel and movable therewith,
ond side of said tray, movable contact means on said
and handle means for alternately removing said panel
second part movable into engagement with contacts on
from and placing said panel in said housing whereby said
said ?rst part with said tray in engagement with said
?rst and second switch parts are alternately disconnected
bracket supports, and a plunger connected to said mov
and connected.
able contact means extending through said tray to said
8. A pedestrian control signal including in combination
?rst side thereof, and means to fasten said tray onto said
a housing having a back wall, four side walls, and an
bracket supports, whereby upon removal of said fasten
open front ‘face, wall means de?ning a_ flange carried on
ing means said tray and lamp means and electrical com
said side walls and spaced from said open front face a
ponents may be removed as a unit from said housing 45 predetermined distance, a tray having substantially the
through said open face.
same shape as said open front face, said tray having ?rst
4. A signal comprising, a housing having a closed
and second side portions, lamp means carried on said
back wall and an open front face, an annular frame
?rst side portion of said tray and adapted to face the open
adapted to complementarily cooperate with said front
face of said housing, electrical circuit components car
face opening, a ?rst ?ange around said front face open 50 ried on said second side portion of said tray for effecting
ing on said housing, a second ?ange on said annular
energization of said lamp means, and enclosure member
frame, cooperating holes in at least two sides of said
for said lamp means comprising ifour side walls having
?rst and second flanges for fastening bolts, and rings
substantially the same shape as said open front face and
loosely connecting two sides of said ?rst and second
a depth approximately said predetermined distance and
?anges for a lost motion hinge movement, whereby said 55 supported by said ?ange said enclosure member having an
of said tray for effecting energization of said lamp means,
rings permit alignment movement of said annular frame
open'front and back, said open front of said enclosure
relative to said housing to align said holes to permit fas
member being closed ‘by a transparent member through
tening bolts to be inserted therethrough.
which said lamp means are visible, said tray closing said
5. A signal including a housing, wall means de?ning
open back of said enclosure member with said lamp
an opening into said housing, a panel having ?rst and 60 means residing within said enclosure member, handle
second side portions, lamp means carried by said ?rst side
means on said enclosure member for removing and
portion of said panel, electrical circuit components for
placing same in said housing, a switch for supplying elec
illuminating said lamp means carried by said second side
trical energy to said electrical circuit components and said
portion of said panel, said panel being removable from
lamp means and comprising ?rst ‘and second parts, said
said housing through said opening, means for securing 65 ?rst switch part being ?xedly mounted on a side wall of
said panel within said housing, an electrical energy source
said housing at a distance from said open face greater
than said predetermined distance, means for supplying
supplying energy to said electrical circuit components,
switch means between said electrical energy source and
electrical energy to said ?rst switch part said second
switch part being ?xedly mounted on said second side
said ‘electrical circuit components, said switch comprising
a ?xed part mounted by said housing and a movable part, 70 portion of said tray and in contact with said ?rst switch
lost motion means mounting said movable part on said
part with said enclosure member supported by said ?ange,
second side portion of said panel, and a handle oper
ably connected to said movable part for moving same
into and out of contact with said ?xed part.
fastening means to fasten said enclosure member to said
housing with same supported by said ?ange whereby
removal of said fastening means said handle means may
6. A signal including in combination a housing, wall 75 be grasped and said enclosure member, tray, lamp means
3,085,224:
1%
9
and electrical components may be removed as a unit ‘from
said housing with the removal causing separation of said
first and second switch parts and thus interrupting the
supply of electrical energy to said electrical circuit com
ponents and lamp means.
electrical energy to said electrical circuit components and
said lamp means and comprising ?rst and second parts,
said ?rst switch part being ?xedly mounted on a side wall
of said housing at a distance from said open face greater
than said predetermined distance, means for supplying
9. A pedestrian control signal including in combination
electrical energy to said ?rst switch part, said second
a housing having a back wall, side Walls, ‘and an open
switch part being ?xedly mounted on said second side
portion of said tray and in contact with said ?rst switch
part with said enclosure member supported by said flange,
front face, a ?ange carried by said housing and spaced
from said open front face a predetermined distance, a
tray having substantially the same shape as said open
fastening means to fasten said enclosure member to said
front face, said tray having ?rst and second side portions,
housing with same supported by said ?ange whereby upon
lamp means carried on said ?rst side portion of said tray
and adapted to face the open ‘face of said housing, elec
trical circuit components carried on said second side por
be grasped and said enclosure member, tray, lamp means
removal of said fastening means said handle means may
‘and electrical components may be removed as a unit from
tion of said tray for effecting energization of said lamp
said housing with the removal causing separation of said
means, an enclosure member vfor said lamp means com
as said open front face and a depth approximately said
?rst and second switch parts and thus interrupting the
supply of electrical energy to said electrical circuit com
ponents and lamp means.
predetermined distance and located at said ?ange, said
enclosure member having an open front and back, said
open front of said enclosure member being closed by a
References Cited in the ?le of this patent
UNITED STATES PATENTS
prising four side walls having substantially the same shape
member through which said lamp means are visible, said
tray closing said open back of said enclosure member with
said lamp means residing ‘within said enclosure member,
2,226,484
2,229,611
Steiber _______________ __ Dec. 24, 1940
Levitan ______________ __ Jan. 21, 1941
handle means on said enclosure member for removing 25
2,747,761
Staples ______________ __ May 29, 1956
‘and placing same in said housing, a switch for supplying
2,776,778
Valvano _______________ .__ Jan. 8, 1957
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