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Патент USA US2115695

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may 39 MEM..
c. W. ANKLAM
VEHICLE LAMP
Filed April 13, 1956
2 sheets-sheet 1
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ATTORNEYS
1W @y 39 ,WE-
c. W. ANKLAM
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Y 211,65
VEHICLE LAMP
Filed April 13, 1956
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INVENTOR
ATTORNEYS
Patented May 3, 1938
2,115,695
UNITED STATES PATENT OFFICE
2,115,695
VEHICLE LAMP
Charles W. Anklam, Detroit, Mich., assigner to
C. M. Hall Lamp Company, Detroit, Mich., a
corporation of Michigan
Application April 13, 1936, Seria-l No. 74,213
7 Claims.
(Cl. 240--7.1)
The invention relates to vehicle lamps and has
more particular reference to constructions de
signed for use on auto> rail busesV and similar
vehicles. It is the primary object of the inven
5 tion to obtain a construction in which the color
of light displayed may be varied in accordance
with requirements. It is a further object to ob
tain a simple construction of color changing
means which is applicable to lamp casings of
different constructions. With these and other
lC
objects in view, the invention consists in the
construction as hereinafter set forth.
Figure 1 is a vertical central longitudinal sec
15 tion through a lamp to which my improvements
are applied;
'
Figure 2 is a cross-section thereof;
Figure 3 is a plan View' partly in horizontal
section;
'
Figure 5 is a horizontal section on line 5`---5
of Figure 1;
v
Y
-
' ’Figure 6 is a front elevation of the rotatable
25 frame;
‘
'
Figure 7 is a sectional bottom plan View of the
keeper;`
`
‘
‘
Figure 8 is a View similar to Figure 5 showing
a modified construction.
30
C@ Ul'
` For use on buses and in particular auto rail
light passing through other windows. As shown
in Figure 2, this opaque screen is a cylinder I
concentric with the axis of the socket and bulb 10`
and having an open segment I’ for the passage
of the light. Concentric with this screen and
able frame J having a top head J', longitudinally
extending spaced bars J2 and a bottom ring J3. 15
Within this frame and between the spaced bars
are glass segments K of different colors. _These
segments are secured in position by a snap split
end of each segment in the inner face thereof.
The frames J are rotatively adjusted by a shaft L
which extends axially of the cylinder I and out
Ward, the casing I’ being provided at its outer
end with a knurled head L' by which it may be
revolved. The inner end of the shaft L has a
square or polygonal portion L2 for engaging a
correspondingly shaped aperture in the -head J ’.
There is also a keeper M which is slotted to form
oppositely inwardly extending tongues M’ having
a snap engagement with the groove L3 in the shaft , 30
buses, it has been customary to provide four
lamps mounted respectively7 at the for corners
and» bearing against the inner face of the head
J'. A spring N, preferably of conical form, is
of the vehicle.
arranged between the head J ' and the upper end
These lamps have also been con
structed Ato display lights of different colors
through a plurality of different window openings
or lenses, together with provision for rotating
the casing to different positions of adjust
ment. Thus, in one position a light of a given
color, such as red, may be directed rear
'410 Wardly and in other positions forwardly or
to the‘side. With my improved construction, I
dispense with the necessity of adjusting the lamp
casing, but provide for change in the color of
the light displayed through each window.
45
surrounded byan opaque screen which limits the
angle of the light beam to pass through one lens
or window and prevents interference with thel
ring K' which engages a groove near the lower
`
Figure 4 is a top plan View of `the rotatable
frame;
Within the casing A are arranged lamp sockets
H, H', H2 for receiving bulbs H3 that are located
respectively centrally of each of the lenses C, D,
and E. Each lamp socket and bulb is partially
, preferably arranged within the saine is a rotat
In the drawings.:
20
.
As shown A is the lamp casing, preferably
formed in half sections A', A2, which have a
break joint meeting A3 substantially in a hori
zontal plane. At the front and rear of this cas
ing are Window openings in which are located
50 conical or streamlined lens members C and D,
While at one side of the casing is a window closed
by the lens E. These lenses may be secured by
flanges thereon which engage channel-shaped
annular gaskets F located in grooves G in the
55 sections A', A2.
of the cylinder I serving to force the frame down
ward, and notches on the lower face of the head 3
L' engageable with a V-lug L4 on the casing
forms an index or latch mechanism for holding
the different colored segments K in registration
with the cut away portion I' of the shield. Thus,
the construction is such that by turning the knob 40
L' .any one of the different colored segments K
may be registered With the opening in the shield
I so as to correspondingly color the light which
is projected through the lens.
The two portions of the casing A', A2 are se- 45
cured to each other by screws O which are oper
able from the outside of the casing member A’
and engage threaded apertures in partitions P
formed integral with the casing member A2.V
These partitions also form additional shields for 50
preventing any dispersion of light from one of
the bulbs to interfere with the light from an
other. However, these partitions are not ab
solutely necessary and if desired, the shields I
alone may be relied upon to prevent light inter- 55
2
2,115,695
ference. Also, in place of forming the shields I
of separate cylinders arranged within the casing,
justment for the registration of the respective
colored segments with the opening in said shield.
they may, if desired, be die cast integral with one
of the sections, as shown at I2, Figure 8. The
lamp sockets H, H', H2 are of any suitable con
5. In a vehicle lamp, the combination with an
elongated casing formed in upper and lower sec
tions and provided with window openings at oppo
site ends and in one of the sides, lenses secured
between said sections in the respective window
openings, a series of lamp bulbs mounted in the
lower section one for each window, shields sur
struction and are provided with electrical con
ductors P’ which pass out through an opening Q
in the rear of the casing.
The casing may also
be mounted in fixed position upon the vehicle by
any suitable means (not shown).
What I claim as my invention is:
1. In a vehicle lamp, the combination with a
casing having a plurality of diiîerently facing
window openings therein, of a plurality of light
bulbs respectively operatively associated with the
different windows, means interposed between said
bulbs for limiting the angle of light beam there
from to a single window, a screen associated with
each lamp bulb having segments of different
colors, and means operable from outside said cas
ing for adjusting each of said screens to selec
tively interpose said colored segments between
the bulbs and the corresponding windows.
2. In a vehicle lamp, the combination with a
sectional casing having a plurality of diiïerently
facing window openings therein, of lenses for the
respective openings clamped between the sections
of said casing, a lamp bulb operatively associated
with each window and lens, a cylindrical opaque
screen surrounding each bulb and having a cut
away segment for permitting the projection of
light through the corresponding window and lens
and a translucent screen having segments of
different colors, said screen being adjustable to
selectively register the colors with the correspond
ing window opening.
3. In a vehicle lamp, the combination with a
casing having windows at its opposite ends and
in one side, conical lenses mounted in the end
40 windows, a lens mounted in the side window,
a series of lamp bulbs Within said casing one for
each window, shields surrounding said lamp bulbs
with openings therein to limit the angle of beam
from each bulb to its corresponding window, a
45 screen associated with each lamp bulb and hav
ing a plurality of segments of diiTerent colors, and
means operable from` outside said casing for ad
justing said screens to selectively display the
colors thereof through the corresponding win
50 dows.
4. In a vehicle lamp, the combination with a
casing having windows therein at each end and
one side, lenses for said windows, a series of
lamp bulbs within said casing one for each win
55 dow, cylindrical shields surrounding the respec
tive lamp bulbs and having open segments limit
ing the angle of the light beam passing there
through to the corresponding window, a rotary
screen surrounding each lamp bulb and having a
60 plurality of segments of different colors, a shank
for rotating said screen passing out through said
casing, and means for rotating said shank and
for holding the same in different positions of ad
rounding said lamp bulbs and depending from the 10
upper section, each shield having an opening seg
ment for limiting the angle of light passing there
through to the corresponding window, rotary
screens surrounding the respective lamp bulbs
each formed of a plurality of segments of differ 15
ent colors, a shank for each rotary screen pass
ing upward through said casing, and means out
side said casing for rotating said shank and for
holding the same in different positions for the
registration of the respective segments with the 20
opening in the shield.
6. In a vehicle lamp, the combination with a
casing formed in upper and lower sections and
provided with window openings therein, lenses
secured between said sections in the respective 25
window openings, lamp bulbs mounted on the
lower section one for each window, means for
shielding the respectivey lamp bulbs to limit the
angle of light therefrom to the corresponding
window, a screen surrounding each lamp ‘bulb 30
comprising a rotary skeleton frame and a series
of segments of different colors secured therein,
a shank attached to said frame and extending
upward out through said casing, and means out
side said casing for rotating said shank and for 35
holding the same in different positions of adjust
ment for registering the respective colored seg
ments with the corresponding window.
7. In a vehicle lamp, the combination with a
casing formed of upper and lower sections and 40
having a plurality of window openings, lenses
secured between said casing sections in the re
spective window openings, a series of lamp bulbs
mounted on the lower section of said casing and
corresponding to the respective windows, means 45
for shielding each lamp bulb` to limit the light
therefrom to the corresponding window, and a
rotary screen for each lamp bulb, `each screen
comprising a skeleton frame having a head at its
upper end, colored segments secured within said
skeleton frame, a snap ring engaging grooves in
the inner faces of said segments to hold the same
within said frame, a shank concentric with said
frame engaging the head thereof and passing out
ward through the upper section of said casing, a
head for said shank outside said casing and hav
ing a notched shouldered engagement therewith,
and a spring surrounding said shank with its
opposite ends abutting against the head of said
frame and the top of said casing to yieldably hold 60
said notched head in different positions of adjust
ment.
CHARLES W. ANKLAM.
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