An Apparatus for use in Exposing the Positive Films used in Chrono- Photographic Apparatus.
Year: 1896

page_text: Date of Application, 26th Sept., 1896
Complete Specification Left, 26th July, 1897-Accepted, 4th Sept., 1397
PROVISIONAL SPECIFICATION.
An Apparatus for use in Exposing the Positive Films used in Chrono-
Photographic Apparatus.
I, MARIE JOSEPH HENRI JOLY, of 95 Boulevard Beaumarchais, Paris, in the
Republic of France, Engineer, do hereby declare the nature of this invention
to be as follows:-
My invention relates to a new apparatus designed to expose the positive films
used for reproduction by the projection of scenes registered by chrono-photograhic
apparatus.
The apparatus is substantially composed of a plate held vertical upon a support
by the aid of brackets which plate carries the shafts of the several parts constituting
the apparatus. At the upper part are the two rollers one of which, carries the
negative film, and the other carries the positive film to be exposed.
Below are two small cylinders adapted to turn upon their shafts. A guide,
constituted by a central plate upon which are two vanes is arranged at such an
inclination that the films, after passing into this guide, will be wound upon a
toothed cylinder.
Small rollers keep the films applied to this cylinder; a blade is provided to
detach the films from the toothed cylinder or roller when once the operation is
terminated.
The toothed cylinder is set in motion by a shaft carrying a crank or by any
other appropriate means. The said shaft carries a vane designed to regulate the
movement.
The upright plate carries moreover a box hermetically closed on all its faces,
except upon that which is turned to the side of the spiked cylinder; in this face,
whose two sides are inclined to each other in the form of a //, is formed a small
groove of about 1 millimetre in depth, arranged in the direction of the generatrices
of the said cylinder. In the interior of the box is an electric lamp or a lamp of
any suitable kind.
The apparatus acts in the following manner:-that is to say, The positive and
negative films being wound upon the rollers I cause the negative film to pass below
the upper one of the two small cylinders; thence between the inclined plate and
the vane, and then to engage with the teeth of the cylinder. The positive film
passes below the second of the two rollers, between the inclined plate and the vane
and is also wound upon the spiked cylinder. The teeth of the latter enter at the
same time the apertures formed in the edges of the two films. By turning the
handle and thereby imparting to. the cylinder a rotary movement the cylinder
moves the two films in its displacement." When these films pass in front of the
aperture formed in the side of the bex the positive film will be exposed. The
two films then pass into a receptacle placed below the apparatus.
Of course all the parts which I have described are enclosed in a box which does
not permit any light to penetrate into the interior; the shaft of the crank alone
passes from the sides of this box.

page_text: The operation may be effected in a dark-chamber in which case the box herein-
before alluded to is not required.
Dated this 26th day of September 1896.
HASELTINE, LAKE & Co.,
45 Southampton Buildings, London, W.C., Agents for the Applicant.
An Apparatus for use in Exposing the Positive Films used in Chrono-
Photographic Apparatus.
I, MARIE JOSEPH HENRI JOLY, of 95 Boulevard Beaumarchais, Paris, in the
Republic of France, Engineer, do hereby declare the nature of this invention
and in what manner the same is to be performed, to be particularly described and
ascertained in and by the following statement:-
My invention relates to a new apparatus designed to expose the positive films
used for reproduction by the projection of scenes registered by chrono-photograhic
apparatus.
I have represented this apparatus by way of example in the accompanying
drawings, in which
Figure 1 is a front view of the apparatus, and
Figure 2 is a side view of the same.
The apparatus is substantially composed of a plate A held vertical upon a
support B by aid of brackets C which plate carries the shafts of the several parts
constituting the apparatus. At its upper part are the two rollers D and D¹, one of
which, D, carries the negative film, and the other, D¹, carries the positive films to
bo exposed.
Below are two small cylinders E E' adapted to turn upon their shafts. A guide,
constituted by a central plate F upon which are two vanes f f¹, is arranged at such
an inclination that the films, after passing into this guide will be wound upon a
toothed cylinder G.
Small rollers H H keep the films applied to this cylinder; a blade I being
provided to detach the films from the toothed cylinder or roller when once the
operation is terminated.
The cylinder G is set in motion by a shaft g carrying a crank 91, or by any other
appropriate means. The said shaft g carries a vane q designed to regulate the
movement.
The plate A carries moreover a box K hermetically closed on all its faces, except
upon that which is turned to the side of the cylinder G; in the face, whose two
sides are inclined to each other in the form of a V, is formed a small groove of
about 1 millimetre in depth, arranged in the direction of the generatrices of the
said cylinder G. In the interior of the box K is an electric lamp or a lamp of any
suitable kind.
The apparatus operates in the following manner: that is to say, the positive
and negative films being wound upon the rollers D D¹ I cause the negative film
to pass below the upper one of the two small cylinders E as shown in the accom-
panying drawing; thence between the inclined plate F and the vane f, and then
to engage with the teeth of the cylinder G. The positive film passes below the
second of the two rollers E', between the inclined plate F and the vane f¹ and is
also wound upon the spiked cylinder G. The teeth of the latter enter at the same.
time the apertures formed in the edges of the two films. By turning the handle g¹
and thereby imparting to the cylinder G a rotary movement the cylinder moves

page_text: the two films in its displacement. When these films pass in front of the aperture
formed in the side of the box K the positive film will be exposed. The two films
then pass into a receptacle placed below the apparatus.
Of course all the parts which I have described are enclosed in a box which does
not permit any light to penetrate into the interior; the shaft of the crank g' alone
passes from the sides of this box.
The operation may be effected in a dark-chamber in which case the box herein-
before alluded to is not required.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed, I declare that what I
claim is :-
The apparatus hereinbefore described, enabling exposures to be made in a con-
tinuous manner and with great facility, upon positive films designed to give the
impression of motion by the projection of images with the aid of chrono-photo-
graphic apparatus.
HASELTINE, LAKE & Co.,
45 Southampton Buildings, London, W.C., Agents for the Applicant.