US909534A - Adjustable film-roll holder. - Google Patents

Description

w. J. BRESNAN.

ADJUSTABLE FILM ROLL HOLDER. APPLICATION FILED DEO.13, 1907.

909,534. Patented Ja 12, 1909.

2 SHEETS-SHEET 1.

nooul'oz Q/vihwoou I Q JE Q UNITED STATES PATENT OFFICE.

WILLIAM J. BRESNAN, OF WASHINGTON, DISTRICT OF COLUMBIA,

ADJUSTABLE FILM-ROLL HOLDER.

Specification of Letters Patent.

Patented Jan. 12, 1909.

Application filed December 13, 1907.v Serial No. 406,299.

" hoto ra hie rintin frames and machines.

P a: a

l'hotographic films are made in strips or *iribbons of various lengths and of different widths, and the aim or this invention is to *provide a holder for. these film negatives so constructed that a spool carrying a narrow film may be instantly replaced by a spool carrying a wider film, and my invention further embraces a securing strip fastened at each end of the film and of a width equal to the film, and which serves first to provide a means whereby the film may be secured to the spool and later, after the film is removed, the securing strip serves as a shield and jacket in that it snugly surrounds andencompasses the film roll to which it is securely fastened, and upon which suitable data and information may be aflixed.

In the accompanying drawings I have shown in Figure l a front view of a photographic printing frame provided with my adjustable film roll holder. Fig. 2 shows an enlarged detached detail disclosing one of the spring held operating spindles. Fig. 3 shows an enlarged detached detail disclosing the position of the locking spring used in my lnvention. Fig. 4 shows a top View of one of the perforated spindle carriers. Fig. 5 discloses an enlarged detail partly in section showing one of the securing strips fastened to a spool.

i As before stated the object of my invention is to provide photographic printing ,frames,-as well as printing tables and printing machines with an adjustably held device adapted to receive a film holding spool of any desired width.

-In carrying out the aim of my invention I provide an ordinary printing frame 1, as

' shown in Fig. 1, at each end with a' perforated preferably sheet metal carrying rail 2-shown in top view in, Fig. 4 provided with a series of openings at. These carrying rails l of the rail 2.

are dove-tailed in cross section as shown in Fig. 3 and are provided with the perforated securing flanges 3 by means of which .they are" secured to the printing frame.

Each rail has slidably secured thereto a set of spool carriers one of them, as shown in Figs. 2 and 3, having a perforated ear portion 5 and a spring tongue 6 stamped out from the ear portion, and bent at right angles to the ear portion is a base portion 7 having the two similar side flanges 8 which flanges are adapted to closely engage the dove-tailed edges of the rails 2 as shown in Fig. 3. This carrier is adapted to revolubly hold the revolving and operating spindle having the milled head 10 from which extends the shaft l2,'the head being provided with the enlarged disk portion 11 the under face of which is serrated as shown in Fig. 3, the corrugations being of a conforma tion to snugly receive the tongue 6 which is normally held in spring or cushioned engagement Within one of the serrations 13. The stem 12 passes through the perforation 14 within the ear 5 and is securely held with- I in the head. This stem 12 as shown in Fig.

5 is provided with the extending ears 15 which ears are adapted to fit into two sockets of the spool 16 to which one end of the fihn negative is secured as shown in Fig. 5.

Interposed between the serrated disk 11 and the ears 15 is a washer 17 as shown in Fig. 2, this washer working against the supporting ear 5 as shown? Secured to the top of the base portion 7 is a spring 19 provided with a pin'20 which passes through a suitable perforation within the top of this base portion as shown in Fig. 2. This pin 20 as shown is cone-shaped and is adapted to so hold the spring 19 that its, free end will extend a suitable distance be-.

ment with the 'rail 2 as shown ingFig. 1.

This supporting spindle is also provided with a suitable sprlng as is shown at 29 having a pin 30 adapted to find a seating and .lodgment within one of the pin openings a:

Negative films are sold in rolls mounted upon suitable spools, one of the spools 16 being shownih Fig. 5. When a spool of this form is secured to the printing frame, one spindle of each set is properly adjusted when the spool is inserted. A second spool is then secured between the opposite set of spindles, the paper termination thereof is secured to the spool the-.1 the spool is partly wound up to properly connect this v end of the film to the second spool. Under these conditions both ofthe spool holding spindles are adjustably secured to the printing frame while each spindle in tllIl is spring heldwithin its bearings. As shown in Fig. 5, the paper end P secured to the film F has its eudreduced so that the paper termination may be readily secured to the spool 16. From this it will be seen that I provide the film at each end with an extension which may be made of cloth, paper or any other suitable material of a width equal to the width of the film, one'of which is adapted to be rolled up to form a core or spool upon which the film is rolled while the remaining extension is Wrapped about the'rolled up film and so forms a shield and jacket for the same.

As shown in Fig. 5, the spool 16 is provided with a slot a into which the reduced end of the jacket forming end P may be inserted and secured.

' And having thus described my said invention what I claim as new is 1. The combination with a photographic printing frame, of a. supporting rail attached to each end of the frame and each rail formed of a metal strip dove-tailed in transversesection and provided with spaced apertures, spaced spool carriers arranged in pairs and each pair slidably disposed upon said rails and with portions engaging the dove-tailed sides thereof, means for support- I 1 ing a film s 001 for rotation between said carriers, an a resilient arm connected to eachof said carriers and with a spur at its free end adapted to engage one at atime. in the aperture in the rail.

2. The combination with a photographic printing frame. of a supporting rail attached to each end of the frame and each rail formed of a metal strip dove-tailed in transverse section and provided with spaced apertures, said spool carriers arranged in pairs and each pair slidably disposed upon said rails and 'with portions engaging the dove-tailed sides thereof, means for supporting a film spool for rotation between said supporting carriers, a resilient tongue extending from one ofv each pair of said carriers, and a sleeve connected to said-spool and with its inner face serrated and engaging said tongue, whereby the spool is held yieldably in position and the'carriers adjustable to fit'spools of different lengths.

3. The combination with a photographic printing frame, of a guide rail attached to each end ofthe frame and each rail formed with spaced apertures,'-spaced spool carriers arranged in pairs and each pair slidably disposed upon saidrails, means for supporting a film spool for rotation between said sup porting carriers, a resilient tongue extending from one of each pair of said carriers, and a sleeveconnected to 'said spool and with its inner face serrated and engaging said tongue, whereby the-spool is held yieldably in position and the carriers adjustable to fit spools of different lengths.

In testimony whereof, I aflix my signature, in presence oftwo witnesses.

WILLIAM J. BRE SNAN.

Witnesses I M. T. MILLER, GEO. HQCHA DLER. 7

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