US544859A

US544859A - Vignetter

Info

Publication number: US544859A
Authority: US
Publication date: 1895-08-20
Anticipated expiration: 1912-08-20

Description

P. MAOHETTE. VIGNETTER (No Model.)

No. 544,859. Patented Aug. 20,1895.

A w, mm

\ MOWIMM A UNITED STATES PATENT OFFICE.

FRANK MAGHETTE, OF PHILADELPHIA, PENNSYLVANIA.

VIGNETTER.

SPECIFICATION forming part of Letters Patent No. 544,859, dated August 20, 1895. Application filed $eptember 6, 1894- Serial No. 522,247. (No model.)

To all whom it may concern.-

Be it known that I, FRANK MACHETTE, a citizen of the United States, residing in the city and county of Philadelphia, State of Pennsylvania, have invented a new and useful Improvement in Vignetting Apparatus,

I which improvement is fully set forth in the following specification and accompanying drawings.

Heretofore it has largely been the practice among photographers to nail upon their printing-frames strips or blocks of wood of varying thickness, which became permanent fixtures, and unless a block of a particular thickness was suited to a negative that printingframe was for the time being thrown out of use. In addition to this it has been customary to cut from pasteboard a plate large enough to cover the frame after adj usting'the same thereon, then tack it to raised blocks on said frame, and next cut a hole in the center for pasting the vignetting-slip, which is usually made of non-actinic paper. This involved the loss of time and labor, which the printer could ill afford to lose and which my invention is designed to obviate.

To this end the invention consists of an open frame sufficiently large to cover a photographic-printin g frame, so that it may move freely up and down, and adapted to be securely fixed to the printing-frame at any height.

It also consists of a cover of novel construction and other novel features, as will behereinafter set forth, and pointed outin the claims.

Figure 1 represents a perspective view of a portion of a vignetting apparatus embodying my invention. Fig. 2 represents a section of a portion of the same on line so x. Figs. 3 and l represent top or plan views of portions of the apparatus. Fig. 5 represents a top or plan view showing other features of the invention. Fig. 6 represents a plan view of a portion, showing some of the different positions of the cover-plate of the apparatus which it may assume. Fig. 7 represents a plan view of a detached portion of the cover with its attaching and adjusting screw and collar. Fig. 8 represents a perspective view of one of the connecting-elbows of the apparatus. Fig.

9 represents a section of a portion on line y y, Fig. 5.

Similar letters of reference indicate corresponding parts in the several figures.

Referring to-the drawings, A designates an open frame, which is formed of any suitable material and of dimension to cover a photographic-printing frame B, which is shown in dotted lines, Fig. 4, and which is connected by the elbows 0, one limb of each of which is screwed or otherwise secured to the said frame B, the other limb being fitted freely in grooves D in the sides of the. frame A after the manner of a dovetailed joint, so that said frame may be readily moved up and down on said elbows and adjusted to the printingframe, said frame A having a screw E fitted to it, so as to be forced against the printingframe, whereby the latter may be readily held in adjusted position.

F designates a cover formed of a piece of pasteboard or other suitable material, having an opening G at or about the center thereof, and openings H, which latter are preferably of circular form and located at opposite corners of the cover F.

Passing through the openings H are screws J, which enter the threaded plates K, secured to the upper face of the frame A, the shanks of said screws being passed through disks or collars L, which rest on the cover F over the openings H, so as to cover vthe latter, said shanks having on the same below the heads of the screws the shoulders M, which are adapted to bear against said collars L and tighten the same against the-cover F, it being seen that when the screws J are loosened the cover F may be moved universally in lateral direction, limited by the diameters of the openings H, (see dotted lines or circles, Fig. 6,) so as to attain the required adjustment, after which the screws are properly rotated, whereby the collars L will be firmly pressed against the cover F, so as to retain the latter in adjusted position.

Pasted, gummed, or otherwise secured to the cover F is aVignetting-slip Nof any nonactinic or opaque material, with an opening N, which may be variable in shape and size and smaller than the opening G, (see Fig. 3,)

and pasted, gummed, or otherwise secured to said vignettingslip N and covering the opening 1 in the same is a piece P of tissue-paper or other translucent material adapted for the purpose of viguetting photographs.

Referring to Fig. 9, and the dotted lines, Fig. 5, Q designates ways which are connected with the cover F and have fitted to them the sliding plate R, which maybe formed of metal or other suitable material, and is adapted to cover the vignetting-plate S, which is seated in the opening G of the covering-piece or cover F, and has an opening S of variable shape, said plate R having an opening Q therein, so as not to obstruct the opening S of the vignetting-plate.

In Fig. 9 S designates the vignetting-plate, which has been removed in Fig. 5; but the opening S in the same is indicated in dotted lines to show its relation to the opening Q in the sliding plate B.

To the under side of the cover F, around the opening G, is secured in any suitable mannera piece T of glazed muslin or other translucent material.

The walls of the openings Gand II and the sides of the cover F have linings R of metal or other suitable material, the same reinforcing said walls and sides when so required.

It will be seen that by my invention the photographer or other person may dispense altogether with the building-up process upon his frames with blocks of wood, 850., and may adjust at once the distance between the vignette and the negative as desired, that all printing-frames may be in use continuously and that in less time and with greater satisfaction than in any other known way,

and that in the part known as the cover the greatest simplicity has been reached.

Themovement to adjust the position of the opening G to the negative below, whether in an up or down direction (lengthwise) or right or left direction (sidewise) or in the direction of any angle, is secured by one movement of the cover, which is one piece of mechanism; but this can be accomplished in several other ways. The present one is chosen as being the simplest and least expensive.

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is

1. In a vignetting apparatus, the open frame A with the adjustable cover F having the central opening G therein, the vignetting slip N of opaque material and with the openings N therein, smaller than said opening G, and the translucent piece P secured to said slip and covering said opening N, said parts being combined substantially as described.

2. In a vignetting apparatus, the open frame A having the cover F with the opening G therein, the vignetting slip N with the open ing N therein, the translucent piece P secured to said slip and covering the opening therein, the sliding plate R movable in ways on said piece F andhaving an opening Q, and the vignetting plate S having the opening S therein, said parts being combined substantially as described.

3. In a vignetting apparatus, the open frame A with the cover F, the sliding plate It movable in ways Q on said piece and provided with the openings Q therein, and the vignetting plate S having the opening S therein, said parts being combined substantially as described.

4. The frame A having grooves on the inner sides of its walls, in combination with the printing frame B having one limb of each of the elbows G connected therewith, the other limbs being movable in said grooves, and the screw E adjustable in said frame A and bcaring against said frame A, substantially as do scribed.

5. A vignetting apparatus consisting of the open frame A having the adjustable cover F with the central opening G therein, the sliding plate R with the opening 0 therein, the vignetting plate S with an opening therein, and the translucent piece Ton the under side of said cover around the opening therein, said parts being combined substantially as described.

6. The open frame A, the covering piece Ii with the central opening G therein, the translucent piece P, secured to said covering piece around said opening G, the vignetting plate S having the openings S therein and being seated in the opening G of the piece F, and means for retaining said plate S in said opening G, substantially as described.

7. In a vignetting apparatus the covering F having the openings II therein, the collars L resting on said cover over the said openings, the frame A with the threaded plates K secured thereto and the screws J entering said plates and having their shanks passed through said collars and provided with shoulders bearing against said collars, said parts being combined substantially as described.

FRANK BIAOIIE'HE. Witnesses:

JOHN A. WInnnRsI-nnn, A. P. J ENNINGS.

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