close

Вход

Забыли?

вход по аккаунту

?

Патент USA US2404134

код для вставки
July 16, 1.946.
E. L. JOHNSON
2,404,134
RETOUGHING APPARATUS
Filed April 15, v1944
l
[1,WWW5m{vJ?1%yincf“mi.
n.“
.E
J
m
M
Patented July 16, 1946
2,404,134
UNITED STATES PATENT OFFICE
2,404,134
RETOUCHING APPARATUS
Everard L. Johnson, Patchogue, N. Y.
Application April 15, 1944, Serial No. 531,279
1
4 Claims.
This invention relates to apparatus for use in
retouching photograph negatives or positives.
More particularly, the invention relates to an ap
paratus of this kind wherein a single unit is em
ployed having means placing not only the vi
brator mechanism of the apparatus, but also the
(01. 95-103)
2
In this ?gure, It represents a suitable frame hav~
ing a glass or other transparent panel I | therein,
masked out to receive a ?lm or plate, as indicated
at IE, to render the ?lm or plate transparent or
translucent by arranging an electric lamp l3 at
the rear of the frame, with the re?ector M of the
lamp directly behind the ?lm or plate 5 2. A suit
able means will be provided, but is not 5 own,
ing ?exible medium for placing the retoucl'iing 10 fOr supporting the frame ill in an inclined posi
tion, as indicated, so that the hand hi of an op
implement in operative engagement with the vi~
erator may rest upon the frame in guiding the
bratory arm of an impulse relay, whereby vibra
negative lighting means in communication ‘with
a single source of electric supply. Further, the
invention comprises the use of a shoe»: absorb
sharply pointed pencil or other retouching tool
tions in the neighborhood of thirty-?ve hundred
or implement it over the surface of the plate or
per minute may be transmitted to the retouching
tool or implement for transmission to the work 15 ?lm in doing retouching work.
The tool or implement I6 is detachably sup
sheet in a very delicate manner, and still further
ported in a tubular holder H, which may be in the
in the provision of means for adjustably control
form of a split tube, and secured to this tube is
ling the vibratory impulses of the relay or vi
one end |8 of a coiled and preferably cotton
bratory arm. The novel features of the inven
wrapped spring IS.
tion will be best understood from the following 20
The other end 253 of the spring 59 is adapted.
description when taken together with the ac
to be clamped in a vertical post 2|, ‘by a clamp
companying drawing in which certain embodi
screw 22. The post 2| is attached to the upper
ments of the invention are disclosed, and in
wide and flanged end 23 of the vertical arm 24':
which the separate parts are designated by suit
of a vibrator to which the horizontal arm 25 of
able reference characters in each of the views;
the vibrator is also attached. The lower end of
and in which:
the arm 25 terminates in a wide and horizontally
Fig. l is a perspective View diagrammatically
arranged base plate 26 upon which the coil 27 of
illustrating a use of the apparatus.
the electrical magnet is arranged.
Fig. 2 is a view looking in the direction of the
Supported on the outer face of the arm 24 is
arrow 2 of Fig. 1, showing only the vibrator device 30
an insulating bearing strip 28 against ‘which an
including its base, with part of the case of the
adjustment screw 29 is adapted to bear in con
apparatus in section.
trolling
the vibrations of said arm. The screw 29
Fig. 3 is a view looking in the direction of the
is in threaded engagement with a bearing portion
arrow 3 of Fig. 2, also showing the case in sec
30 on the cover or case 3! of the vibratory unit,
tion; and
and a lock nut 32 is provided to retain the screw
Fig. 4 is a diagram of the wiring in the plug
29 in different positions of adjustment. The case
socket.
is secured to an insulated base 33, which is ar
In the art of photography, retouching has, for
ranged upon and forms part of a Wider base 34,
the most part, been performed by highly skills:
the latter also forming the support for an electric
retcuchers. Primarily in professional photog
socket 35 in which wires 35 extend to a source
raphy and in portrait work this has been a highly
of electric supply. The socket 35 is of the type
skilled art, particularly in that good retouching
adapted to receive two outlet plugs 31 and 33, the
has required more or less the skill of the masters
plug 38 having wires 39 extending to the lamp i3,
in this art, and has usually been performed by
marks or lines carefully drawn and arrange 45 and the plug 31 having wires iii! extending
through an insulator 4| in the casing 3| into said
upon the ?lm or negative. In some instances,
casing, and connected with the electrical mag
this type of Work has been applied directly to
net 21.
the ?nished prints.
The pole end 42 of the electrical magnet 2? is
The purpose of my invention is to provide a
simple and inexpensive apparatus by means of 50 arranged upwardly and beneath the vibratory
arm 25 and on the free end of this arm is an ad
which the average amateur photographer can,
justable balance weight 43 movable along the
after a little training and experience, perform
arm to control and minimize the vibrations of
retouching work on negatives or plates equally
the arm.
.
as good, if not better than the skill of the best
The post 2| extends upwardly through an elon~
professional retoucher, thus giving to the ama 55
gated aperture 44 in the top of the case 3| to pro
teur a medium by which portrait type of photog~
raphy can be improved in the same manner as
practised by professionals in this art.
In Fig. 1 of the drawing I have diagrammati
cally shown the use of my improved apparatus.
vide for free vibration or oscillation of the post in
the high speed vibration of the arm 25.
In the construction shown, a ?exible connec
tion is established between the post 2| and im
plement l6 by way of the coil spring previously
2,404,134
4
electrical magnet, a post on the arm at the inter"
described, but any suitable ?exible transmitter
section of said parts, a ?exible member having
one end secured to said post, means for support
of this type and kind can be used, provided suf
?cient rigidity is employed in this ?exible ele
ment to transmit the vibrations to the implement,
ing an implement in connection with the other
end of said member whereby high frequency ini
while at the same time softening or minimizing
the shock of the impulse so as to produce at the
pulse vibrations of said arm are transmitted to
an implement through said ?exible member, and
end of the implement what might be termed deli
cate vibratory impulses which would produce on
manually adjustable means cooperating with the
?rst named part of said arm for controlling the
the resulting ?lm or plate a series of ?ne dots in 10 vibration properties of said arm.
movement of the implement over a section or
2. An apparatus for delivering high frequency
impulses to an implement manually guided over
area to be retouched.
The base 34 is arranged upon a cushioning pad
a worksheet, said apparatus comprising a base,
45 of rubber or similar material in order to cush
an electrical magnet on said base, an L~shaped
ion the vibratory action of the device as a whole.
vibrator arm comprising an upstanding part on
In Fig. 4 of the drawing is shown diagrammati~ 15 the base, a horizontal part arranged angularly
cally the wiring of the socket 35. In this diagram
to the ?rst named part, and over one end of said
5:6 and ill represent one pair of spring contacts
electrical magnet, a post on the arm at the inter
which receive the plug
which extends to the
section of said parts, a flexible member having
lamp diagrammatically at £8, and which is ar
one end secured to said post, means for support
ranged in the reflector it. At Gil and 5d are
ing an implement in connection with the other
shown the other pair of contacts with which the
plug 31 couples to extend to the Wires iii]. The
end of said member whereby high frequency im
pulse vibrations of said arm are transmitted to
an implement through said ?exible member,
wires 36 from a source of electric supply are cou
pled with the contact 6'5 and the contact 50,
whereas the contacts 156 and 49 are bridged by
' manually adjustable means cooperating with the
the connector 59. It will thus be seen that the
circuit passes through the bulb 48. The wattage
vibrator properties of said arm, and adjustable
?rst named part of said arm for controlling the
counter-balance means on the second named part
of this bulb would produce the required resistance
for proper operation of the vibrator unit, a hun
dred to a hundred and ?fty watt light lamp bulb
of said arm.
3. An apparatus for delivering high frequency
30 impulses to an implement manually guided over
a worksheet, said apparatus comprising a base,
an electrical magnet on said base, an L-shaped
vibrator arm comprising an upstanding part on
light grasping or support of the implement in the
the base, a horizontal part arranged angularly
hand, and in rendering the hand free for trans 35 to the ?rst named part, and over one end of said
mission of the impulses through the implement
electrical magnet, a post on the arm at the inter
by simply using the hand as a means to guide
section of said parts, a ?exible member having
the implement over the surface to be retouched
one end secured to said post, means for support
and in gauging or controlling movement of the
ing an implement in connection with the other
implement toward and from the ?lm or plate. 40 end of said member whereby high frequency im
The only further skill required, is to be able to
pulse vibrations of said arm are transmitted to an
properly guide the implement over the area re
implement through said ?exible member, manu
quiring retouching and to gauge the amount of
ally adjustable means cooperating with the ?rst
retouching at the section or area by repeated
named part of said arm for controlling the vi
passes of the implement thereover in increasing
brator properties of said arm, adjustable counter
the shade applied to the area. The operator will
balance means on the second named part of said
also have to judge adjustment of the screw 29 to
arm, and means on the base cushioning the sup
govern and regulate the vibratory action or the
port of the base on a surface.
can be used.
In the use of the apparatus or device, the pri
mary skill to be obtained by the user, is in the
arm 25, and accordingly the impulses transmitted
4. An apparatus for delivering high frequency
at the operating end of the implement. In the 50 impulses to an implement manually guided over
operation of the retoucher, the cushioning pad 45
a worksheet, said apparatus comprising a base,
also cushions the action of the vibrator so that
the impulses are transmitted only through the
vibratory arm and to the transmitting element H).
In addition to using the apparatus or device
an electrical magnet on said base, an I..-shaped
vibrator arm comprising an upstanding part on
the base, a horizontal part arranged angularly
t0 the ?rst named‘part, and over one end of said
electrical magnet, a post on the arm at the inter
ating implements of various kinds and classes
section of said parts, a ?exible member having
where it is desirable to transmit a multiplicity
one end secured to said ‘post, means for support
of impulses onto a surface of any kind or class
ing an implement in connection with the other
to mark or characterize the surface in any man 60 end of said member whereby high frequency im
ner. It may be used to apply perforations by
pulse vibrations of said arm are transmitted to
using a sharply pointed implement. It may fur
an implement through said ?exible member,
ther be used to shade drawings or to apply stip
manually adjustable means cooperating with the
?rst named part of said arm for controlling the
pling thereto.
as a retoucher, the same may be used for oper
Having fully described my invention, what I
claim as new and desire to secure by Letters Pat
vibrator properties of said arm, adjustable coun
ter-balance means on the second named part of
ent is:
said arm, means on the base cushioning the sup
port of the base on a surface, and means com~
1. An apparatus for delivering high frequency
impulses to an implement manually guided over
a worksheet, said apparatus comprising a base,
an electrical magnet on said base, an L-shaped
vibrator arm comprising an upstanding part on
the base, a horizontal part arranged angularly
to the ?rst named part, and over one end of said
prising a two-way electric socket for placing said
magnet in circuit with a source of electric sup—
ply and for introducing resistance in said circuit
EVERiARD L. JOHNSON.
Документ
Категория
Без категории
Просмотров
0
Размер файла
400 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа