US1535795A - Film-adjusting mechanism for cinematographs or the like - Google Patents

Description

April 28, 1925. 1,535,795

H. SEUFERT v FILM ADJUSTING MECHANISM FOR CINEMATOGRAPHS OR THE LIKE Filed Nov. 13, 1922 HUD [1 DUI"! IN VEN TOR.

y fiERMA/VISEUFMZ' 7 ffiom v UNITED STATES; PATENT OFFICE.

HERMANN SEUFERT, F BROOKLYN, NEW YORK.

FILM-ADJUSTING MECHANISM FOR CINEMATOGR-APHS OR THE LIKE.

Application filed November 13, 1922. Serial No. 600,574.

To all whom it may concern. its manipulation and its opposite end carries Be it known that I, IIERMANN Snornirr, a pinion 76 which is adapted to mesh with 45 a citizen of the United States of America, the toothed segment 75 of the wheel 75.

residing at Brooklyn, in the county of Kings The wheel 75 also has a pin or projection 79 and State of New York, have invented cerextending across the fixed disk 88 between tain new and useful Improvements in F ilmtwo stops 80 projecting from the latter and Adjusting Mechanism for Cinematographs spaced apart a distance equal to the total 50 or the like, of which the following is a specilength of a film picture. fication. When the film is found to be out of focal The bject of this invention is to greatly center, the spindle 81 is I'OtiltBCl illilli the simplify the film adjusting device in cinemedium of the liillltl wlleel 87 whereby the inatographs or the like, so that the adjust- Wheel 75 thru the pinion 7 6 is given a partial 55 ment of the film picture into the focal centre Of the atter being limited, as aforecan be readily and easily effected with great 1Cl, y the stops 80. In consequence of such accuracy. rotation the roller 78 15 moved from its full M j ti will be more fully iinderlliie to the dotted line position shown in t a b reference t th accompanying- Fig 2, whereby the film 1S folded or curved 60 drawing in which similar reference charas'lhdlcated y dotted hhes and thereby acters denote corresponding parts and in l dwhich Fig. l is an elevation of the film ad- 711% I (3131111 and desi e to secure by Letjusting device seen in the feeding direction hers -9 of the film drum; Fig. 2 is a vertical'section h e g p the the on li Q f Fi 1 d Fi 3 i a bination with a driven shaft and the film tional plan view seen on line 88 of Fig. l. h g m h h of a fihh adlushlhg '25 Mounted on and fixed to the driven shaft delllce} 00111131151112 3 Wheel Q Cl S6 f th fil d 77 i a Sleeve 34 on said shaft and formed on its periphery fi h bhr t d on th l tt b t a with a toothed sector and diametrically opcollar 85 fixed thereon and a disk 88 fixed to POSlte 531d $610,501 l an extehdml' th ti l l t 1 f th frame i a h l parallel to said shaft across said drum, a 75 f d ith a t th d segment 75" Th roller rotatable on said drum and adapted to wheel 75 is i d i h 1' laterally bear against the outer face of said film, a jectingr arm 75 arranged diametrically op- Sp ll P a el to said shaft it it t th d Segment 75 d f i'oinied one end with a hand wheel and at with an elongated extension or pin 75'" on hl Q end lh Stud P1111011 hi h i tgiti d t d a h 7 being adapted to mesh with said sector and This roller 78 is adapted to extend across hhfahs m the f 'y e t f the outer circumference of the film drum 77 nd whehl to the length of fihh pl 80 and to bear againstthe outer face of the film In hestlmohy whelhof I alhX y slglmthl'e band F which, as usual, with its lateral 1h Presence of two Wlhhesses- 40 notches engages the teeth 77 of the film HERMANN SEUFERT.

drum. Rotatively mounted in the vertical \Vitnesses:

plate 1 of the frame is a spindle 81 which at MAX D. ORDMANN,

one end carries a knob or hand wheel 87 for Josiirii T. MoMAi-ioN.

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