US1156025A

US1156025A - Film-rewinding mechanism.

Info

Publication number: US1156025A
Application number: US4109015A
Authority: US
Inventors: Willis H Akin
Original assignee: ADOLPHUS J BATEMAN; CHARLES F MOYER
Current assignee: ADOLPHUS J BATEMAN; CHARLES F MOYER
Priority date: 1915-07-21
Filing date: 1915-07-21
Publication date: 1915-10-05
Anticipated expiration: 1932-10-05

Description

W. H. AKIN.

' FILM REWINDING MECHANISM.

APPLlCATION FILED JULY 21 1915- I I 1,156,025, Patented Oct. 5, 1915,

2 SHEETSSHEET l.

W. H. AKIN.

FILM REWINDING MECHANISM.

APPLICATION FILED JULY 21. 1915.

1,156,025. Patented O0t. 5, 1915.

2 SHEET$-SHEET 2.

"UNITED STATES PATENT OFFICE.

WILLIS H. AKIN, OF FALGONER, NEW YORK, ASSIGNOR OF ONE-FOURTH TO CHARLES E. MOYER AND ONE-FOURTH TO ADOLPHUS J'. BATEMAN, BOTH OF FALCONER, NEW

YORK.

. object of the improvement is to provide a simple mechanism for reversing one film by 15" rewinding-while another film is being unreeled, the reels being so arranged that a single operator can control both the unreel-.

ing and rereeling without moving from his position in' front of the machine, provision being made for the'care of the films by the operator in case of breakage so that the rewinding film may be cared for without endangering the same-while the unreeling film is joined, both films being protected from danger of ignition by fire since they are highly combustible; and the invention consists in the novel features and combinations hereinafter set forth and claimed.

In the drawings, Figure 1 is a. front ele-= vation of the moving picture machine with the improved rewinding cabinet on the un derside of the table, the doors ofsaid cabinet being open and showing the arrangement of the rewinding mechanism therein with the film reels in position. Fig. 2 is a sectional view at line X- X in Fig. 1 showing the construction and arrangement of the double length spindle or shaft which is revolubly mounted in the rewinding cabinet and is shown with the two reels in position thereon, spindle having a' pulley thereon enema connected by belt to the crank shaft of the moving picture machine so that the operator turns said pulley and spindle when turning the cranlr of the moving picture machine. Fig. 3 is a perspective viewof the separator sleeve forholding the film reels a spaced distance apart on .the long spindle.

F ig. i is a perspective view of the locking spring. {or the rewinding reel on the long spindle. Fig. 5 is'a: perspective view of the rewinding cabinet with the doors open showing the spindles in position. Fig. 6 is an elevation of the rear side of the moving picture Specification of Letters Patent.

application filedl'uly 21, 1915. Serial N 0. 41,090.

Patented 0017.5,1915.

machine with the rewind cabinet attached to the supporting table, showing the pulley and belt connection between the rewinding spindle and the operating shaft of the movmg picture machine. Fig. 7 is an elevation of the long spindle.

Like numerals of reference refer to corresponding parts'in the several views.

The moving picture machine comprises the bench or table 10 which supports the mov ng picture projecting machine case 11 at one end and the lamp house at the other. The case 11 has the reel cabinet 12 thereon into which the film reel 13 is placed when it 1s desired to project the same through the moving picture machine 11.

The door 1a of the cabinet 12 is provided on its inner side with a cap 15 which engages over the end of the spindle 16 for the reel 13, the cap 15 being supported on the end of a spring 17 thereby holding the reel 13 as a resilient tension brake to prevent too -rapid unreeling.

The film 18 extends from the reel 13 over aroller 19 on the machine 11 and down through a slot 20 in the top of the film cabinet 21. A guide roller 22 is placed over the slot 20 to hold the film 18 firmly in line as it passes down through the slot 20 to the lower reel 23.

The reel 23 is mounted on and revolves with the spindle 24 in line with .the moving picture machine 11 and reel 13. Said spindle24 is revolubly mounted in the rear wall 25 of a cabinet 21, extending to the rear of the cabinet to receive thereon the split pul-- ley 26, a spring 27 being provided on the rear end of the'spindle 24 to resiliently hold the split pulley 26 in place. The pulley 26 reels 23 and 29 and held in place on the spindle 24 by means of a set screw.

The outer reel 29 is held in place on the spindle 24 by means of a spring lockingclip 31 which has the open ended tapered slot 32 means for the'insertion and withdrawal of causing it to normally cap said clip. It is apparent that this gives a firm yet resilient holding. for the reel- 29 turn with the spindle 24 within the cabinet 21, and toturn on the spindle 24 under abnormal strain The cabinet 21 is preferably constructed with two

compartments

34 and 35 which are connected to one another and has doors 36 for

thecompartment

34 and 37 for the compartment 35, having glass sitting in front of the cabinet canalways direct the process the winding of the film 18 on inner reel 23. The compartment 34 is made about double the depth ofvthe compartment 35 in order to receive the two

reels

23 and 29 therein on the long revolving spindle 24. A fined spindle 39 is provided about central of wall 35 to receive thereon the reel 40 from which it is desired to rewind the film47 onto the reel 29. A spring tension cap 41 is provided for the end of the spindle 39, which is supported on a spring 42 attached to the'frafne of the door 36 so that the cap bears against the reel 40 with the desired tension pressure.

A spindle 43 is provided'midway betweenthe

reels

29 and 40 and extending out from the rear wall and havin thereon an idler roller 44 over which the film rolls in rewinding thereby omitting manual. guidance and contact and keeping said film flat and always in line as it passes from one reel tothe other. In' order to provide means-:for

holding the reel 29 when the film 18 breaks as it runsfrom the reel 1&t0 the reel 23, as

sometimes happens, a spindle 45 is hinged on the'bottom of the cabinet 21 to fold with: in the same alongside of the semi-partition 46, 'so that said spindle 45 can be turned outward and the rest 29 may be placed thereon. without removing the film from over the idler roller 44 thereby permitting access tothe inn'er'reel 23 forthe repair of the film 18, after which the reel 29 may be re-' placed upon the spindle 24 and the process of projecting the pictures through the moving picture machine 11 in combination with the rewinding of;the film 47 can proceed.

It is of course understood that all reels after projection have to ,bejreversed by rewinding. By my arrangement the projection of the film 18 'canbe attained by the operator simultaneously with the rewinding of the film 47 without extra exertion or soiling manual'contact, both operations being each of the doors preferably panels 38 so that the operator of rewindingas well as the rear the'reel 23. The separator sleeve 30 is then placed on the spindle 24, and the reel 40 with the film 47 to be rewound is placed on the spindle '39 and the film 47 is connected to the empty reel 29. The operator then turns the crank 48, or it is turned mechanically, thereby turning the shaft49-and causing the belt 5.0'to turn the pulleys '51 and 25 and spindle 24, thereby rotating the

reels

23 and 29 and simultaneously unwinding-the film 18 and rewinding the fil-m 47, both operations being within the vision and reach of the single operator, the operation of rewinding or arrangement of the

reels

29 and 40 being easy of attainment by the unoccupied .hand'of the operator even when'he is turn-- ing the'crank 48.

The doors 36 cabinet 21 are preferably made dust proof by means of a strip 52 of felt or other suitable packing'around'the inner edges of said doors to thereby 'shut out all dust and grit from said cabinet and particularly during the rewinding operation to thereby prevent the scratching or otherwise marring of the

films

18 and 47, thereby greatly prolonging the life and increasing the value ,of said it is also obvious that no handling of the films 18 and '47 is necessary in rewinding or unreeling of the same. Consequently, all danger of marring or deterioration through said handling is overcome by my rewinding cabinet. The operation is fully under the eye of the operator while rewinding and unreeling while thedoors are closed thereby preventing all accumulations of dust and shut out anything thatwould mar or otherwiseinjure said filins during the rapid revolution of said reels in rewinding the same.

I claim as new:

1. In combination with a moving picture machine, film rewindi'ng mechanism comprising. a (10K removably receive one of the film reels of said moving picture machine thereon and to removably receive a second rewinding film reel thereon in front of said film reel of said moving picture machine, a pulley on the rear end of said double length spindle behind both of said film reels for rotating said spindle and filmreels, a fixed spindle a spaced distance from said double length spindle to rotatably support a third film reel in line with the front film reel on said double lengtlr spindle, said third film reel on said fixed spindle containing the film to be .rewound, andbelt connection between and 37 of the rewinding ble length rotatable spindle to taneously rotate said double length spindle machine, a film rewinding cabinet, a double I and operate said moving picture machine and rewind said film to be rewound upon said fr'ont film reel.

2. In combination with a moving picture length rotatable spindle in said cabinet to removably receive one of the film reels of said moving picture machine thereon and to removably receive a second rewinding film reel thereon, means for turnin said double length rotatable spindle by t e operation of said moving picture machine, a fiXed spindle a spaced distance from said double length s )indle to support a third rewinding film reelthereon in line with said second rewinding film reel, and a third spindle hingingly attached in said rewindingcabi net to fold within said cabinet when the doors are closed and to receive said second rewinding film reel thereon'when either of the films are in trouble.

3. In combination with a moving picture machine, a cabinet supported beneath said moving picture machine and opening toward the operating side of said moving picture machine, a double length spindle rotatably mounted in said cabinet to receive one of the film reels of said moving picture machine on the inner end thereof and" a second film reel on the outer end thereof, a pulley on the rear end of said double length spindle, a belt connecting said pulley to the operating shaft of said moving picture machine to simultaneously turnsaid spindle and the reels thereon with said operating shaft of said moving picture machine, a fixed spindle in said cabinet a spaced distance from said double length spindle to rotatably support a third film reel thereon in-l ine with said second film reel, a spring cap for saidfixed spindle to bear against said third film reel and give tension thereto,

Copies of this patent may be obtained tor and a roller midway between said second and third film reels to pass the film to be rewound thereover from said third reel to said second reel.

.and a second rewinding film reel on the outer end thereof, said double length spindle extending through the rear wall of said cabinet and rotatively mounted therein, a split pulley on the outer rear endv of said spindle and a spring on said spindle to resiliently hold said split pulley, said split pulley belted to the operating shaft of said moving picture machine to be simultaneously turned with said operating shaft, a sleeve keyed between said inner and outer film reels on said double length spindle to hold said reels a spaced distance apart, a spring holding clip to hold said second film reel on the outer end of said double length spindle, a fixed spindle in the other compartment of said rewinding cabinet a spaced distance from said double length spindle to rotatably receive thereon a third film reel in line with said rewinding film reel on said double length spindle, a spring having a cap on one end and attached at the other end to the door of the compartment to engage over said fixed spindle when the door' is closed and press against said third ,film reel and give tension thereto.

Intestimony whereof I have afiixed my signature in the presence of two witnesses.

WILLIS AKIN.

Witnesses:

H. A. SANDBERG, HAROLD Honsnnne.

five cents each, by addressing the Commissioner of Patents, Washington, D. C.