вход по аккаунту


Патент USA US2411704

код для вставки
Nov. 26, 1946.
2,41 1,704
rnowoamrnzc CAMERA
Filed March 12, 1943
3 Sheets-Sheet 1
Nov. 26, 1946.
2,41 1,704
Filed March 12, 1945
3 Sheets-Sheet 2
Nov. 26, 1946.
Filed March 12, 1943
3 Sheets-Sheet 3
f '
5/5 132’
7/6 '
Patented Nov. 26,}946
-,_ _ omen 'srATs-s PATENT OFFICE j
Roland r. more," Kenneth .w. Beattie, Ken
neth B. Beattie, and Roland 'P.,Boattie, 11,
Summit, N. J.
" '
Application March 12. 194:, Serial N... 478,858
10mm; (case-24> ‘
along the line IX-IX '01 Fig. 8, looking in the
This invention relates to a photographic cam- “t "'1
era. and particularly a process camera adapted '
direction orthe arrows;
for copying and makinglina screen and continu
ous tone negatives; enlargements or reductions
Fig. 10 represents. a horizontal section. taken
along the line JI-Xoi Fig. 8, looking in the di
from copy suitable for such reproduction.
, .
'- 6. rection of ‘the arrows, and .
An object of the invention is to provide in con
venient, unitary, portable form a complete copy
ing camera which may be set up and prepared iorv
use in a minimum of time and in any location, as. '
Fig. 11 representsa detail perspective view of
a reducing and enlarging cone, in enlarging po
sition on the top or the camera.
Referring to the drawings, a main camera.
for instance, at an army ?eld headquarters or' 10‘ housing I is provided, having three closed sides
other post.
and a front opening door 2 in its fourth side.
The top of the housing comprises a rectangular
All iurther object is to provide the camera with
a housing such that it maybe closed and packed
frame 3 .iitting closely around the four sides or
for transportation without danger of damage to‘
an inner telescopic unit 4 which is adapted to
the working parts and without the need tor dis? 1'51. move vertically in and out of the housing, ‘being
guided in such movement by the strips 6 sliding
mantling the camera so as to require re-a'ssen‘ie
in guide-ways 6.
big for iurther use.
‘Ihe unit 4 is mechanically raised and towered
Another object is to provide an inside telescopic
by a rack and gear drive including the racks ‘l,
unit comprising the camera proper, which unit
is movable with respect to the housing for regu~ 20 which may be disposed adjacent each of the four
corners of the unit, the small gears 3, shown as
lating the degree of enlargement or reduction (ii
being formed directly in the shafts 9, the bevel
eny) of copy mounted in said housing; said unit
gears ill, and the crank iilccated at a convenient
also being removable from the housing for use as‘
point on the outside of the housing. The shafts
a view camera or 101' reproducing large copy.
further nbject is to provide such 9“ Qamm
era of simple construction but having allthe re
?nements of detail necessary to secure optimum
9 are journal'ed in suitable Supp'OI'tS on the ‘hulls
ing and the arrangement is such that power
is transmitted to a plurality of points‘ around the
inner unit, to avoid binding of the unit against
parts of the housing; although in some cases it
Another object is to provide certain improve
ments in the form, construction and arrangement 30 may be found that driving at a single point or
lessthan four points gives satisfactory results.
of the several parts whereby the above and other.
In addition to the hand crank it it is also de
objects may eiiectively be attained.
sirable to provide a vernier adjustment of the
A practical embodiment of the invention is.
camera back unit (for microiocuslng), shown in
shown in the accompanying drawings, in which.
Fig. 1 represents a perspective view of the cam- 35 detail in Figs. 8, 9 and iii, comprising a shaft it,
journaled for rotation and rocking. motion in‘)
era and its housing in closed position; '
Fig. 2 represents a perspective view of the cam- _
a ‘bearing i3, and having a worm i4 keyed to the
Fig. 6 represents a detail horizontal section
a compression spring is having one end secured
to the bracket and the other end secured to a col
shaft and a handle is at the upper end of the
era and its housing partly opened;
shaft. The worm it engages with a worm wheel
Fig. 3 represents a perspective view'oi the cam
era and its housing opened and ready for use,, 40 is on the shaft 9 adjacent to the crank it when
the shaft I2 is in its vertical position, but may be
parts being broken away;
disengaged by rocking said shaft H to the posi
Fig. 4 represents a vertical longitudinal sec- .
tion shown in broken lines in Fig. 8, when opera
tion through the main camera and housing units;
tion by means of the crank H is desired. The
Fig. 5 represents a horizontal section taken 45 shaft
l2 .passes through a slot H in a bracket l8
along the line V—-V of Fig. 4 looking in the direc
secured to the side of the housing and is urged
tion oi’ the arrows;
toward worm-engaging position by the action of
taken along the line VI--VI of Fig. 4;
Fig. 7 represents an end elevation of the main 50 lar 2o ?tted loosely aboutthe shaft.‘ A “?nger;
camera and housing units, parts being broken
away to show certain interior construction;
operated spring lock 21 is also associated with
the shaft l2 and is arranged to snap over one
Fig. 8 represents a detail elevation of .the cam
end of the bracket for holding the shaft positive
era elevating and lowering mechanism;
ly in worm-engaging position when the vernier
Fig. 9 represents a horizontal section taken 55 drive is to be used, or when it is desired to lock
the raising and lowering mechanism, the worm
an'd-wheel drive being" irreversible. when it is
and means are provided for securely locking the
' door to the main housing and the cover-table to
desired to operate the crank ii for fast driving,
the door (Fig. 1).
the lock 2| is released and the shaft i2 rocked to
For certain purposes it may be desirable to
provide an image area larger or farther from
compressthe spring l9 and to disengage the worm
I4 from the wheel It.
The inner telescopic unit 4 includes a suitable
rectangular framework, four side walls 22 and
the'lens-than the opening 24 in the top board
23 of the camera unit; means fOFsE?CC?DE this
result is shown in Fig. 11 as comprising a four;
sided funnel 50, having a base 6| adapted to fit
a top board 23 provided with a rectangular open
ing 24. The guide strips 5 are secured to the 10 on the top board 23, and an enlarged open top
42 adapted to receive a plate- or ?lm holder or
outside of two opposite side walls, and vertical
grooved guide-ways 25 are secured to the inside
of opposite side walls for guiding, by engagement
a ground glass focusing plate indicated gener
ally at 83.
The operation of the camera just described
with the short tongues 25', the ends 23 of a
horizontally disposed lens elevator 21. The cam 15 will be obvious, for the most part. Brie?y, the
device may be set up for operation by opening
era lens 23 is mounted in the‘lens board 23 (re
the cover-table 42 and end door 43 and plugging
movably secured in the elevator) and a bellows
an electric connection into the input socket.
30 extends from the lens board to the top board
Copy to be reproduced may then be placed on
23, as clearly shown in Figs. 4 and 7. The top
board is adapted to receive and support a plate 20 the copy board 40, suitably illuminated by the
lamps 38, and necessary adjustments made of
or ?lm holder with or without a ground glass
the inner telescopic unit 4 (by means of the
focusing plate, all indicated generally at 3!.
crank II and vernier mechanism) and lens
Raising and lowering of the lens elevator 21
.board 28 (by means of the handle v3'!) to ensure
in the unit 4 (for lens focusing) is e?ected by
means of the chains 32, fastened to the elevator 28 the proper focus and desired degree of enlarge
ment or reduction, if any; the exposure being
ends 23 by brackets 33, and running over idle
made by opening a shutter associated with the
sprockets 34 and driving sprockets 33; the latter
lens 23, or in any other customary or suitable
being mounted on a shaft 38 which projects out
Special lenses for various ,require
of one side of the unit and is provided with a
_ manner.
handle or knob 31. The sprockets 34 and 35 are 80 ments may be inserted, so that copy (if a wide
range of sizes, from micro?lm up, can be handled.
all mounted on suitable supports attached to the
As will be apparent from Figs. 3 to '7, the
side walls or frame of the unit 4.
inner telescopic unit 4 is retained in the housing
The housing I is provided with lamps 33, pref
only by the engagement of the racks ‘I with the
erably of ?uorescent type, shielded by the curved
re?ecting shields 39, for illuminating copy which 85 gears 8; it is thus possible to remove the inner
may be placed on the removable copy board 40
unit from the housing so that it may be used
in any position or location as a view camera, or
adjacent the bottom of the housing. An elec
may be set up to photograph copy which is too
tric control panel 4| is mounted in one side of
‘ large to ?t on the copy board 40 in the housing.
the housing at a convenient point, the control
panel including an input socket, a switch for 40 It will be understood that various changes may
be made in the construction, form and arrange
the lamps 38, and sockets and switches for the
ment of the several parts without departing from
connection and control of such auxiliary elec
trical appliances as may be required.
the scope of our invention and hence we do not
intend to be limited to theyparticular embodi
Means for completing the closure of the hous
sng include the combination top cover and work
ment herein shown and described, but what we
table 42 and the combination end door and car
claim is:
rying compartment 43; the cover-table 42 being
hinged to the top frame 3 by hinges-44 (which
.A photographic camera of the character de
scribed comprising, a housing, an inner tele-_
may be of the loose pin type, for complete re
scopic unit ?tted in the top of said housing and
moval of the cover-table) and being provided 50 projecting therefrom, means for adjusting said
with a foldable leg 45, hinged at 48. The door
unit inwardly and outwardly through the top of
43 has one of its end walls divided vertically into
the housing, said inner unit containing the pho
a ?xed portion 4'! and a hinged portion 48, the
tographic elements of the camera proper, and
latter portion being in turn hinged at 49 to a
means associated with the housing for enclosing
corner of the housing I; this arrangement being 55 and protecting the projecting part of said in
such that the door may be closed against the
ner unit, said last named means including a re
housing to cover and protect the vernier mecha
cessed door hinged vertically to the housing, and
nism and control panel, or may be opened
a recessed element hinged horizontally to the
(270°) to lie with its back ?at against the back
housing, said door being adapted to constitute
of the housing. The cover-table 42 is of a depth 60 a storage compartment and to close over exposed
su?lcient to enclose the top of the inner unit it
parts of the means for adjusting the inner unit,
when the latter is in its lowest position as shown
and said element being adapted, in its closed
in Fig. 2, and is of a length such that it will ex
position, to cover both the top of said housing
tend over the top of the door 43, as shown in - and the top of said door and, in its open posi- ,
Fig. 1. The door 43 is made deep enough not 05 tion, to constitute a recessed work table.
only to accommodate the projecting parts of the
vernier and control panel but also to provide
storage and carrying space for such other equip
ment as plates, ?lms, plate or film holders, etc-i
Без категории
Размер файла
494 Кб
Пожаловаться на содержимое документа