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Патент USA US2406223

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Aug. 20, 1946.
p, H_ |RM|$¢HER
Filed Aug. 2a, 1944
l 2,406,223
z'sneets-sheet 1
AU@ 20, 1946-
P. H. rRMlscHER
_Filed Aug. 2a, 1944
2 Sheets-Sheet 2
Patented Aug. 20,l 1946
2,406,223 .e
' ‘
Paul Hllrmischcr, Chicago, Ill.
e I vApplication August 28,1944, Serial’No. 551,490
` f
Í j
vclaims." (c1. 20o-'51)
- This invention relates to new and useful im
provements in lighting apparatus and has partic
ular relation to the lighting systems employing>
fluorescent lamps.
terminals IIl and I I’ which’ha‘ve
the usual and standard Way with the filaments of;the lamp,
-` _- `.
A mounting for this -lamp I0 is indicated at I2_
More specifically my invention has to do withl
the lamp conductor means and control switches
therefor. Viewed from this aspect an object of
the invention is the provision of an arrangement
of parts for supporting the lamp and controlling
the Aenergization thereof by mechanism that Vis
„ and this mounting includes a basel 3 from which;
simplerin construction and arrangement, com-l
prising few. parts affording expeditious assembly
resulting in economical manufacturing cost.
rib I9. These channels atvopposite ends thereof
terminate into‘vertically extending openings 20
In the operation of fluorescent lamps now in
general use it is the required practice to have the
current ~heat upvthe filaments of the lamp and
vaporize the mercury therein so that thereafter
the current flow is through the lamp vapor and
the lamp thus lighted. To extinguish the lamp
extend end panels I4. This basepomprisestwo
sections I5 and I6 connected together by ,screws
I'l’ located at suitable Vpoints with respectto'the
The top section - I5 provides two parallel
channels I'I and I8 spaced from each other by a
in turn terminating at their upper ends into slots
2| through which the ends of the electrodes II
and II’ are projected for connection with con
ductor arms hereinafter; described;
- l
Formed in the bottom section I6v are ilongi
tudinally extending grooves 22 which receive~ the
ribs 23 provided by the top ksec/tion I'5 toproperly
a push button is momentarily depressed to open 20" fit the sections I5 and I6 inA conductor enclosing
the lamp circuit with the results that the vapor’
relation with respect to each other.
¿ .
in the lamp condenses and the lamp extinguished.
, This present invention has particular reference
to the relation of these control switches with
respect to means serving the dual purpose of
conducting current to'the lamp and as a mount
ing therefor resulting in' an apparatus ywhich is
simple in construction and design.,
Other objects will appear hereinafter.> '
3I of asource of electrical energy. Engaging this
' The invention consists in the Ynovel combina
A tion and arrangement of parts to be hereinafter`
described and claimed,
, The invention will be best understood by ref
erence to the accompanying drawings showing
the preferred form of construction, and in which:
Fig. 1 is a perspective view of the lighting ap
paratus embodying my invention;
Fig. 2 is a longitudinal sectional detail View of
the same;
vIn the channel I‘I is arranged aconductor'Zlî'v
for the -electrodes II'. This conductor 26’ com
prises a bar '25 having at one end an angled ñnger
21 bifurcated as at 28 to receive the adjacent
electrode ofthe electrodes I I’. 'I‘he opposite end>
29’ of this bar has overlapping contact With-_a n
conductor strip 29connected as at 30 toY one side
end 29’ of the bar 26 is a push button 32, forreal.-y
sons hereinafter set forth. The other side`33 of
the source of electrical energy is connected as at
34 to a conductor strip '35 arranged inthe chan-_
nel I 'I' and having an angled end portion 21’
` similar to the finger 21 and arranged in the adr,
jacent passage of the passages 20 and adapted >to
have contact with one of the electrodes II.
In the channel I8 is arranged a conductorf36 .
comprising two bars 36' and 31 and each having
Fig. 3 is a sectional detail View taken substan
angled end portions 38’ providing fingers 38 sim
tially on line 3-3 of Fig. 1;
ilar to the finger 21 and each arranged in adja- -
ß Fig. 4 is a sectional detail view taken substan
tially on line 4-4 of Fig. 2;
cent passageof the passages 20 for'supporting .
Fig. 5 is a perspective view of one of the con
ductors embodied inthe invention; i
. Fig. 6 is a perspectiveview of` another ofthe
conductors embodied in the invention; » ¿
Fig. '7 is a sectional detail view taken substan
tially on line ‘I-'I of Fig, 3.
connection with the otherv electrodes II and II’
of the lamp I0.
. '
These bars 36’ Yand 31 haver overlapping por?`
_tions 39' normally spaced from each other and Y
adapted to- be brought into vcontact with 'each
'other by "a push button 39.
f' The conductors 26" and 36V are arranged' in
. The several objects and advantages of my in-, to their respective channels' I1’ and I8 in the man
vention will become obviousy from va consideration
n'er hereinbefore set forth and 'as shown in the
of the following detailed description Vtalr'eni‘in
drawings. i When- thus arrangedv it will be seen4
connection- with the Vaccompanying, drawings
that they -are completely enclosed and in condition
wherein -a fluorescent lamp is indicated at I'U.
to receive the lamp _IIL
This lamp comprises at each end electrodes or 55
To energize the lamp, the push button 39 is
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