close

Вход

Забыли?

вход по аккаунту

?

Патент USA US3100425

код для вставки
.Aug- 13, 1963
J. o. KUHN
3,100,420
TOY SLIDE PROJECTOR
Filed April 3, 1961
2 Sheets-Sheet 1
IN VEN TOR.
4*
BY
WWW
Aug. 13, 1963
J. o. KUHN
3,100,420
TOY SLIDE PROJECTOR
Filed April 3, 1961
2 Sheets-SheetZ
INVENTOR.
a
BY
_M%MOWW
United States Patent 0
3,100,420‘
1
1
Patented Aug. 13, 1963
2
other connectors or fasteners. This greatly facilitates the
production and assembly of the projector.
3,100,420
T0‘! SLmE PROJEQTGR
Another advantage ,of the present construction is that
when the end member is withdrawn, it automatically una
covers both the battery chamber and bulb so that these
James O. Kuhn, Cincinnati, Ohio, assignor, by mesue as
signments, to Kenner l‘rodncts Company, a corporation
of Delaware
electrical elements can be withdrawn and checked to de
Filed Apr. 3, 1961, Ser. No. 1%,424
4 Claims. (CI. 88—26)
termine the cause of any malfunction.
,
A still futrher advantage of this construction is that
the bulb is withdrawn from the rear of the projection
The present invention relates to battery operated toys
and is particularly directed to a toy slide projector by
chamber. Thus, not only is the withdrawal,v of the bulb
facilitated, but also it is unnecessary to reach into the
means of which a child can project a colored slide, or
the like, onto a blank wall or screen.
main portion of the projection chamber, thereby elirninat~
ing the possibility that the re?ector would become dirty
The principal object of the present invention is to pro
vide a ‘simple battery operated slide projector which can
or broken.
be used by young children to project a series of colored 15
'
‘
‘
A still further advantage of the present projector is that
cartoons, or other slides, onto a wall or other convenient
it is extremely compact. _ The battery chamber and pro
surface.
jection chamber are aligned parallel with one another
The present invention is predicated upon the concept
of providing a toy slide projector having three principal
and are disposed directly on top of one another. Also
both the switch and electrical connector are incorporated
components, i.e., a main body member, a lens unit and 20 in the small end membervso that the entire projector unit
.an end member which can readily be assembled without
the use of any tools. Moreover, the end unit carries a
is exceedingly compact. Moreover, the location of 'the
‘ batteries directly beneath the projection chamber is e);
ceedingly advantageous for another reason‘since it sub
stantially increases the stability of the projector when it
switch and electrical connector for joining a bulb‘ in a
projection compartment and the batteries in a battery
compartment. When this and member is removed, both
the bulb and batteries are readily accessible for checking
and replacing.
is placed upon a table or the like.
'
More speci?cally, the main body or housing member
includes two horizontally directed superposed chambers,
the lower one constituting a battery receiving chamber
_
‘
These and other objects and advantages of the present
invention will be more readily apparent from the follow
ing detailed description of the drawings illustrating a pre
ferred embodiment of the invention.
30
and the upper one a projection chamber. The projection
chamber houses an electric bulb and re?ector which pro
'
’
In the drawings:
FIGURE 1 is an elevational view of a toy slide pro
jector constructed in accordance with the principles of
the present invention.
jects light forwardly through a rectangular slot formed in
a transverse wall adapted to receive and support an elon
FIGURE 2 is an end view of the switch end of the
gated strip of slides. Disposed forwardly of the slide re
projector.
ceiving aperture and slidably supported by the housing is
FIGURE 3 is a cross sectional view of the projector
taken along line 3—3 of FIGURE 2.
FIGURE 4 is a bottom view showing the manner of
attachment of the end member of the unit to the main
the second component, a lens assembly comprising a
tubular member which supports two spaced magnifying
lenses.
.
-
The third major component of the projector is an end 40 body member.
FIGURE 5 is an exploded view showing the manner of
member which is effective to close the ends of both the
assembly of the bulb ‘and end unit.
'
battery chamber and projection chamber. ‘The rear mem
ber carries an electrical conductor for establishing a cir
FIGURE 6 is a partial end view of the lens end of the
- projector showing the manner in which a strip of ?lm is
cuit from the batteries mounted in the battery chamber
inserted in the projector.
to the bulb mounted in the projection chamber. This end
member also carries means for effecting a switching ac
The overall construction of a‘ preferred form of toy
tion by means of which the bulb can be selectively ener- '
slide projector 10 is best shown in FIGURES l, 2 and 3.
gized and deenergized.
As there shown, the slide projector comprises a main body
One of the principal advantages of the present projec
portion 11 con?gurated to form a projection chamber 12,
tor is that it is simple in construction and operation.
a battery chamber 13 and'a handle 14. A tubular lens
More particularly, the body member, handle and lens
member 15 is mounted at the forward end of the projec
members comprise relatively simple plastic moldings.
tion chamber ahead of a transverse slide receiving slot 16.
One connection from the battery chamber of the body
In addition to these components, the toy slide projector
molding to the bulb in the projection chamber of this
includes an end member :17 which is effective to cover one
molding is eifected by a Z-shaped conductive strip which 55 end of the battery chamber and also one end of the
engages the forward battery terminal, passes upwardly
projection chamber. As is explained in detail below, this
through suitable recesses in the body‘member, extends
end member is further effective to provide an electrical
along the bottom Wall of the projection chamber and ex
connection through a suitable switch 18 from the battery
tends upwardly along the rear wall of that chamber to
chamber to a light bulb 20 mounted within the projection
form both an electrical terminal and a mechanical sup
port for the forward end of the electric bulb.
The second electrical connection to the bulb is made
through a conductive strip carried in the handle member.
This strip cooperates with a pivotally mounted switch
lever so that when the switch lever is in one position, the
conductive strip is spaced from the bulb terminal. When
the switch lever is in a second position, the conductive
strip is forced into engagement with the bulb to complete
60
chamber.
_
More paricularly, main housing, or body member, 11
is fabricated from two molded rigid plastic halves which
are cemented together using any suitable adhesive along
the vertical center line of the projector body. The body
member is con?gurated to form an elongated cylindrical
battery chamber->13 adapted to hold’ a plurality of dry
cells. Disposed directly above battery chamber 13 is'a
projection chamber 12. The projection chamber is also
an electrical circuit; and the lever is in an overcenter posi—
tubular and the ‘axis of this chamber is parallel to the
tion so that the switch tends to remain closed‘ until the 70 ‘axis of the battery chamber.
lever is manually shifted. Thus, the present projector
requires no special electrical terminals,’ screws, bolts or
A base portion 21 is formed on the body member
beneath battery chamber 13. It is to be noted that the
3,100,420
6
5
openings in cars 87 and 88 formed on end member 17
and pass through suitable bores provided in the rear por
tion of handle member 14 and in a rearwardly extending
?ange 9t}. Pins 85 and 86 are preferably formed of plas
tic and are frictionally held in place.
_
In addition to these components, the present projector
comprises a lens unit including a ‘tubular member 91 which
‘ supports spaced lenses 92 and 93, the lenses being ad
from said ?rst Z-shaped member, and an upstanding arm
disposed for engagement with the end of said bulb.
,
2. A toy projector comprising ‘a molded plastic body
member con?gurated to form a tubular projection cham
ber including a slide receiving slot and a tubular battery
chamber, said projection chamber being superposed upon
said battery chamber, a ?rst Z-shaped conductive strip
including an arm depending into said battery ‘chamber .
at one end thereof and another arm extending upwardly
hesively mounted within the tubular member in any suit
able way. The forward end of the tubular memberus 10 into said projection chamber, an electric lamp bulb, means
mounting said electric lamp bulb within said projection
chamber in contact with the upwardly extending arm of
said ?rst Z-shaped conductor, a lens unit, means tele
scopically mounting said lens unit ‘at the forward end of
extension 28.
In operation, the present toy projector is adapted to 15 said projection chamber, an end member engaging the
surrounded by a knurled gripping portion 94 for'facili
tating inward and outward adjustment of the lens mem?
ber. This lens sleeve is slidably mounted within forward
be used with a strip of transparencies best shown in
FIGURE 6. This strip of transparencies comprises an
elongated cardboard carrier 27 provided with 1a plurality
opposite end of said projection chamber from said lens ,
unit and the adjacent end of said battery chamber, a vsec
ond Z-shaped conductor carried by said end member, said
of spaced rectangular openings. Preferably the card
second Z-shaped conductor having a depending arm ex
board carrier 27 is of double ply. A plurality of trans
parent pictures are mounted beween the two plies of the
tending across the opposite end of said battery chamber
from said ?rst Z-shaped member, and an upstanding arm
disposed for engagement with the end of said bulb, and a
switch lever, means pivotally mounting said switch lever
carrier strip in registry with the various rectangular open
ings. These transparent pictures may be actual photo
upon said end member, said switch member having a cam
graphs or may be drawings, such as cartoons, made in a
manner well known in the art. When the strip 27 is 25 arm disposed to force said upstanding arm of said second
Z-shaped conductor into engagement with said bulb.
inserted in opening 16 between transverse walls 24 and a
transparency is aligned with the rectangular openings in
walls 24, the light from bulb 2% as re?ected by re?ector
45 passes through the transparency and through lenses
3. A toy projector comprising a molded plastic body
member con?gurated to form a tubular projection cham
ber including a slide receiving slot and a tubular battery
92 and 93 and is thus projected onto a wall, a screen, or 30 chamber, said projection chamber being superposed upon
the like. Preferably, the various transparencies, or
said battery chamber, a ?rst Z-shaped conductive strip
frames, are arranged so that as the strip 27 is advanced
including an arm depending into said battery chamber
at one end thereof and another arm extending upwardly
into said projection chamber, an electric lamp bulb, means
across the rectangular opening in walls '24 to illuminate
the various frames in sequence, a cartoon story, or the
like, is projected on the wall.
35 mounting said electric lamp bulb within said projection
chamber in contact with the upwardly extending arm of
In use, the projector can readily be turned “on” or
“off” by merely shifting actuating lever 75 from its lower
said ?rst Z-shaped conductor, a lens unit, means tele~
or f‘on” position to its upper or “off” position, or vice
' scopically mounting said lens unit at the forward end of
versa. If it should become necessary to replace either
said projection chamber, :an end member engaging the
bulb 20 or batteries 37, this can readily be done by with 40 opposite end of said projection chamber from said lens
drawing pins 85 and 86 and pulling end member 17 rear
unit and the adjacent end of said battery chamber, a sec
ond Z~shapedconductor carried by said end member, said
wardly. With the end member removed, the batteries are
second Z-shaped conductor having a depending arm ex
free to be withdrawn from battery chamber 13 and bulb‘
29 can be replaced by merely removing cap member 55.
tending across the opposite end of said battery chamber
After the batteries and bulb have been replaced, end 45 from said ?rst Z~shaped member, and an upstanding arm
member 17 is reassembled with the body portion by tele
‘disposed for engagement with the end of said bulb, and a
scopically engaging caps 64 and '68 with the ‘end wall
switch lever, means pivotally mounting said switch lever
portions of battery chamber 13 and projection chamber
upon said end member, said switch member having a cam
12. Thereafter, pins 35 and 86 are reinserted and the
arm disposed to force said upstanding arm of said second
unit is again ready for use.
Z-shaped conductor into engagement with said bulb, the
From the foregoing disclosure of the general principles
switch lever being disposed over-center when said second
Z-shaped conductor is in engagement with said bulb.
4. A toy projector comprising a molded plastic body
member con?gurated to form a horizontally disposed
tion is susceptible. Therefore, I desire to be limited only 55 tubular projection chamber including a foiwardend and
by the scope of the following claims. a rearward end, a slide receiving slot disposed adjacent
Having described my invention, I claim:
to the forward end of said projection chamber, a horizon
1. A toy projector comprising a molded plastic body
tally disposed tubular battery chamber, said projection
member con?gurated to form a tubular projection cham
chamber being superposed upon said battery chamber,
ber including a slide receiving slot and a tubular battery
60 the axis of said tubular battery chamber and said projec
chamber, said projection chamber being superposed upon
tion chamber being parallel, a lens unit, means telescopi
said battery chamber, a ?rst Z-shaped conductive strip
cally mounting said lens. unit at the forward end of said
including an arm depending into said battery chamber
projection chamber, an- electric lamp bulb‘ having an
at one end thereof and ‘another arm extending upwardly
annular ?ange therein, means mounting said electric lamp
into said projection chamber, an electric lamp bulb, means 65 bulb within said projection chamber adjacent to» the rear
mounting said electric lamp bulb within said projection
ward end thereof, said means comprising a transverse wall
chamber in contact with the upwardly extending arm of
disposed within said projection chamber, said wall having
said ?rst Z-shaped conductor, a lens unit, means tele
a circular opening therein of larger diameter than said
scopically mounting said lens unit at the forward end of
bulb ?ange, a conductive strip disposed adjacent the inner
said projection chamber, an end member engaging the 70 side of said transverse wall, said conductive strip having
opposite end of said projection chamber from said lens
a circular opening of lesser diameter than said bulb ?ange,
' unit and the adjacent end of said battery chamber, a
said bulb being inserted through the opening in said trans
second Z-shaped conductor carried by said end member,
verse wall and said conductive strip with the bulb ?ange
said second Z-shaped conductor having a depending arm
in abutment with said conductive strip, a re?ector member
extending across the opposite end of said battery chamber 75 disposed forwardly of said conductive strip in abutment
of the present invention and the above description of a
preferred embodiment, those skilled in the art will readily
comprehend various modi?cations to which this inven
szlomeae j
wit'hfsziid conductive strip ‘surrounding said leul-b, abnt
ffment‘means disposed within ‘said projection chamber’for
" _'§vyiardly of said re?ector and in engagement therewith for
.‘holding saidre?ectorimem-ber in Contact with ‘said strip,
g
vsecend electijieal eonneetiqn-between a battery ‘and said
' battery chamber and said bulb. '
2,146,237
V UNITED STATES PATENTS
’ Stephens ‘_-____‘ ______ _‘_'_>_~_ Feb. 7, 1939
‘2,249,858
2,694,338
' Moult-ryet all _;_Y_'_ ____ “Nov. 16, 1954
fee'id conductive istrip?‘also being effective to provide an ‘
and
electrical
an end‘
eontaet
member
at ithe
telescopically
end‘ of'vsaid
engagingihe
battery chamber,
end of
" saidjfb'jéxttionchamber adjacent said bulb and the adja- .
‘i tee'nti'end of said ‘batteryv chamber, conductor means includ- V
'
I ’ Refei'enc'es Cited in the ?le of this‘patent ‘
Schwinn ..___'__-'v________ __ July 22, 1941
2,764,058 v i‘ :Ellls' _______ __‘____‘_'_'___ Sept. 25', 1956
' dying a ‘switch carried b’ ‘said end member ‘for‘eifecting a 197 2,344,710
Документ
Категория
Без категории
Просмотров
0
Размер файла
767 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа