US283589A - Mathias flammang - Google Patents

Description

(No Model.) I

, M. PLAMMANG.

PHOTOGRAPHIO CAMERA.

Patented Aug 21 1883.

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-UNITED STATES Parent @rricn.

- MATHIAS FLAMMANG, OF NEWARK, NEW JERSEY.

PHOTOGRAPHIC CAMERA.

SPECIFICATION forming part of Letters Patent No. 283,589, dated August 21, 1883.

' Application filed February 26, 1883. (No model.)

L all whom it may concern Be it known that I, llla'rnriis .FLAMMANG, of Newark, in the county of Essex and State of New Jersey, have invented a certain new and useful Improvement in Photographic Gameras, of which the following is a specification.

The object of my improvement is to facilitate shifting a focusing-plate or a photographic plate into different positions relatively to a photographic camera.

To this end my improvement consists in the combination, with a photographic camera, of a frame constructed with a slideway having parallel sides, which adapt it to receive an ordinary oblong photographic-plate holder, and capable of being turned round into different positions to bring the length of the photographic plate in a vertical or horizontal plane, as more fully hereinafter described.

The improvement also consists in a peculiar construction of a focusing-plateholder.

In the accompanyingdrawings, Figure 1 is a view of the rear of a back of a'camera enibodying my improvement. Fig. 2 is a vertical section of the same. Fig. 3 is a horizontal section thereof; and Figs. 4 and 5 are detail views, hereinafter described, Fig. 5 being upon a larger scale.

Similar letters of reference designate corresponding parts in all the figures.

A designates the camera-back. It may be made of wood and of rectangular form, as usual, and it is provided on the rear side with a recess, a, which has a circular outline, and extends to the opening I), with which the camera-back is provided.

B designates a frame, which serves as a support for the ground-glass plate and for the photographic-plate holder. This frame may be made of wood, and is shown as of rectangular form. Extending from the back of this frame is a disk, 0, which is of circular outline, and fits in the recess a of the camera-back. Of course this disk' does not extend across the opening of the frame. The disk may be made of wood, and can, perhaps, be made most conveniently of segmental pieces of wood secured to the camera-back by screws or otherwise.

D designates an annular plate, which, pref,

erably, will be made of metal, and is secured by screws or other suitablemeans to the rear side of the camera-back, with its edges overlapping the disk (3, so as to secure it in the recess to. The disk fits so loosely between the recess and this plate that it may be turned around to adjust the frame into different positions.

The frame B is provided with a bolt, E, which is adapted to engagewith one. of a number of holes, 0, in the plate D, so as to secure it in different positions. Preferably I will employ an ordinary spring-bolt which will automatically engage with the holes 0. At opposite sides the frame B is provided with parallel flanged rails cl, between which a photographic-plate holder of ordinary oblong form may be sustained, and at the end of these rails it is provided with a stop-rail, c. The plateholder will be fitted between the rails cl with its end against the stop-rail 6. At the ends of the rails d at which the plate-holder is inserted there is an arm, F, which is pivoted in place and may be swung into the position shown in dotted outline in Fig. 2, and in full outline in Fig. 4, so that it will extend across the end of the plate-holder, and may be en gaged with a pin, f. This arm forms no part of this invention, and any other well-known device may be used for the purpose.

G is the ground-glass plate. It is mounted in a holder, H, which is provided with a rim, 9-, adapted to enter and fit snugly within the opening of the frame B, and a flange, h, which is adapted to lap over the rear side of the frame adjacent to the opening. The opening in which the holder H fits is independent of the slideway formed by the flanged rails cl, and the holder is capable of being inserted into and removed from said opening by a movement directly transverse to the length of said slideway. The holder H at one end or side is provided with pins 2', which, when the holder is in place, enter recesses in the frame B, and at the opposite end or side the holder is provided with a spring, j, which, when the holder is in place, will exert such a friction upon the frame B as to retain the holder against accidental displacement. This spring is best shown in Fig. 5. It consists simply of a piece of metal secured to the inner side of the glass-holder H, and bowed out or curved so as to impinge against the frame B when the holder H is placed therein. When the holder is to be withdrawn, it is only necessary to take hold of the end or side which is provided with the friction-spring and pull it out. To insert the holder, it is only necessary to first engage the pins i with their recesses, and then to push the holder into the opening of the frame.

By making the ground-glass holder and fitting it to the frame in the manner shown and described, I am enabled to make the holder smaller, lighter, and neater than those in common use. The flanged rails d of the frame 13 form a slideway adapted to receive 'an ordinary photographic plate holder of oblong shape, and the connection of the frame with the camera-back in the manner described enables the frame to be readily shifted without detachment, so as to provide for focusing with the ground-glass plate in any desirable position, and for photographing upon a photo graphic plate lengthwise or crosswise.

What I claim as my invention, and desire to secure by Letters Patent, is

1. The combination, with a photographic camera, of a frame constructed with a slideway having parallel sides, so as to adapt it to receive an ordinary oblong} photographic-plate holder, and to be turned around into different positions to bring the length of the photographic plate in a vertical or horizontal plane, substantially as specified.

2. The combination, with a photographic camera, of a frame constructed with an opening or slideway having parallel sides, which adapt it to receive the ordinary rectangular focusing-plate and photographic-plate holder, and to be turned around into different positions, so as to bring the length of the photographic plate in a vertical or horizontal plane, and means for securing the frame in different positions, substantially as specified.

3. The combination, with a photographic camera, of a frame at the rear of the camera, provided with a slideway for the reception of a photographic-plate holder, and also provided with an opening independent of the slideway, and a focusing-plate having aholder provided with a rim for fitting in the opening in said frame, and adapted to be inserted into and removed from said opening by amovem ent transverse to the length of the slideway, and also provided with a flange adapted to lap over the outer face of the frame adjacent to said opening, substantially as specified.

4. The combination, with a photographic camera and a focusing-plate arranged in a holder provided with a rim for fitting in an opening and a flange for overlapping the opening, of the pins 7? and spring j, substantially as specified.

M. FLAllIMANGl lVitnesses:

T. J. :KEANE, ED. L. MORAN.

Images