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Патент USA US2137106

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Nov. 15, 1938.
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" c. E. BALDAUF
LIGHT FIXTURE
Original Filed July 50, 1936
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‘2,137,106
Patented Nov. 175, 1938
1 2,137,106]
Baldauf, Los‘Angeles, .C'alif., assignor to‘
Q. Carl‘ E.Clarice;
Lienhard, Los. Angeles, 'C‘alifgxf}
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Re?ledl for ‘abandoned, application SerialNo.‘
93,441, ‘July 30,’ 1936. ‘This ‘application July” ‘
> 22, 1938; Serial Noizzoaee
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' . h 3‘ Claims. (01. 240-,i-7c) I
drawing, generally comprises an outlet box ’I_ hav
V ‘This invention relates to and has for an‘ ob
ing a threadedrsocket or extension '2, an adapter
ject thereof the‘provision of alight ?xture where
in a bowl, globe or reflector is secured in'pla‘cejin and ?xture clamp'ingplatetlan attaching hub 4_
such manner as to comprise an e?ectivemoisture formed integral with said plate and threadedly
proof ‘and dust proof enclosure "for a light bulb , and removably engaged with‘ said extension, a 5
and its socket.’ This application: is ‘a duplicate ' light bulb socket 5 held in place 'byfand'forminga
seal between‘ said hub‘ and outlet ‘box, a clamping
and sealing ring _ l3 opposed‘ to ‘said plate" and‘
Another objectiof‘the invention is to provide “threaded on'said hub, a‘globe‘for .bowl ‘I, and ‘a
of, and is 're'?led for?abandoned application Serial
Number 93,441, ?led July 30, 1936.
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means 8 for detachably securing said bowl to said 10
a light ?xture which is constructed and arranged
to greatly facilitate the installation thereof in» plate and for forming a seal there-between.
The outlet box is adapted to be setup on one '
a wall‘or ceiling or like support and to permit of
side (the interior)‘ of a wall or ceiling as indicated
a ready and easy changing of the bowl and light
bulb whereby, after installation, bowls and bulbs ' at A in ‘Figure’ 1, and the wires, not shown, vare
connected with thesocket 5 which is cemented'in
of various sizes may be applied as desired.
A further object is to provide a novel and e?i
cient means for sealing the ?xture for preventing
moisture and dust from entering the interior
On oppositesides
of this ?ange are gaskets llirrespectively engaged
with a?ange I? on the outlet boxvand' the upper
or inner end of the hub 4. Thus when the hub is I
An additional object is to provide a light ?xture screwed up, it clamps the socket 5 in place so as
which may be readily and easily assembled and , to form a moisture and dustproof seal between
thereof.
20
a. holder 9 having a ?ange Ill.
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disassembled, which provides a novel socket struc~ ‘ ‘the hub and outlet box.‘ The outer shell l3 of
ture and ‘means for securing same in place; which,
the, socket 5'is screwed up on the threaded body
includes an ef?cient means of detachably se- . of the socket proper and a gasketlll provides a
25
curing together a bowlsupporting and adapter > moistureproof sealand non-chipping joint of the
plate toan outlet-boxer condulet and also in
.cludes an ef?cacious ‘means for, clamping and.
porcelain parts of the socket. , '>
. V
The ring 6 is placed ‘on the inner side of the
holding the ?xture to .a wall or ceiling orother . wall sothatfwhen the hubv is screwed in place it
threads through said ring andthereby causes the
support.
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With the above and otherobjects in view the ~ ring toclamp the gasket i5 against the innerv
' invention subsists in the novel method and come side of the wall. Likewise, as the j hub 4 is
bination of parts hereinafter described, illustrat
ed inthe accompanying’ drawing, and set forth
in the claims hereto appended, it being under
35 stood that various changes in formapr'oportion,
size and minor details of construction within the
screwed into the'outletbox, the‘plate 3 is ‘forced
againstthe wallas shown ‘in Figure 1. With the
‘?xture, thus assembled, 'it’will be seen‘ that the
30 '
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light socket 5 liespartly inthe outlet box and
partly in‘ the hub in'position to receive the ‘light,
scope. of the claims may be ‘resorted to without ' bulb screwed‘ in place therein in the usual man- . V
' departing from the spirit or sacri?cingany of '
ner.
In the drawing:
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Figure 2 is a schematic view of the outlet ‘box
and light socket unit as when disassembled, parts
being. separated and shownvinu section.
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Figure ‘3 is a fragmentary view of the ?xture‘
attaching, sealing and globe supporting means
as when disassembled, the parts being separated
50 and shown in section.
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Figure 4 is a sectional view of the unit of, Figure
2 as when assembled with a larger type'of light
bulb socket.
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or globe Tin place‘ comprises, as here shown, a ' 40
,
Figure 1 is aside elevation of the ?xture-of this
invention as when installed and shown partly in
section.
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The means 8‘for removably‘ securing the‘ bowl
the advantages of the invention.
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a
ring l6 having. an inwardly extending globe sup
porting ?ange H, a gasket l8 between said ?ange
and globe, a split“, resilient ring [9} engaged in a‘
groove '28 and, holding the globe ‘against the
?ange, an outwardly extending ?ange 2| remov
ably secured to the plate 3 by fastenings 22,, and '
a sealing gasket 23,,between the plate 3 and
?ange 2|.
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v _It will now be seen‘ that the ?xture may be 50'
readily assembled and installed and may bedis- .
assembled with equal facility.
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It is important to note thatTthe-entire unit
The present embodiment of the light ?xture ' comprising the globe or bowl'l, means 8, plate 3
‘and hub 4, while assembled may be removed by 55
55 of this invention, as seenin the accompanying
2
2,137,106
bodily turning the globe to unscrew the hub 4
from the threaded extension 2 of the outlet box.
This will facilitate changing the adapter plate
3 whereby to provide for larger or smaller light
bulbs’ and bowls as desired.
However the bowl may in some instances, de
pending on the size of the light bulb, have to be
removed from'the plate 3 before unscrewing the
hub 4 and this can be readily accomplished by
10
removing the fastenings 22.
It will be .noted that all joints of the ?xture
are gasketed and arranged'to provide effective
moisture and dustproofseals.
It should also be noted that with this ?xture
no fastening screws or the like are required to
secure the bowl supporting plate in place. The
V fastening means therefor is not visible when the
?xture is assembled whereby to improve the ap
pearance of the ?xture as a whole and provide
for an easier installation and removal thereof.
I claim:
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' 1. In a light ?xture, an outlet box adapted to
be placed on one side of a wall or ceiling, a
threaded extension on said box, a clamping and
25 adapter plate adapted to engage the other side
of. the wall or ceiling, a hub integral with said
‘plate and threadedly engaged with said extension,
a light socket held in place by and between said
extension and hub and extending into the latter,
a bowl and means for securing said bowl to said
plate and a clamping ring threaded on said hub
and adapted to clamp against the wall or ceiling.
'2. In a light ?xture, an outlet box, a threaded
extension on said box, a ?ange in said extension,
a clamping and adapter plate, means on said
plate for securing a bowl in sealed engagement
therewith, a hub formed integral with said plate
and having threaded engagement with said ex
tension, a light bulb socket in said hub, a holder 10
to which said’ socket is secured and which is
clamped between the upper end of the hub and
said ?ange and a clamping ring threaded on said
hub and being opposed to said plate.
3. In a light ?xture, an outlet box, a threaded 15
extension on said box, a ?ange in said extension,
a clamping and adapter plate, means on said
plate for securing a bowl in sealed engagement
therewith, a hub formed integral with said plate
and having threaded engagement with said ex
tension, a light bulb socket in said hub, a holder
to which said socket is secured and which is
clamped between the upper, end of the hub and
said ?ange and a clamping ring threaded on said
hub and being opposed to said plate, said plate 25
and bowl therein being detachablev as a unit upon
unscrewing said hub from said extension.
CARL E. BALDAUF.
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