US1031750A - Moving-picture-projecting machine. - Google Patents

Description

0. TJWEISER. MOVING PICTURE PROJECTING MACHINE.

APPLICATION FILED JULY 10,1908. 1,031,750. Patented July 9, 191:;

2 SHEETS-SHEET 1 WITNESSES: MIL 5mg: I

MAAK

O. T. WEISER.

MOVING PIGTURE PROJEGTING MACHINE.

APPLICATION FILED JULY 10,1908v 1 31,759. Patented July 9,1912.

2 SHEETSSHEET 2.

@ 8 By h m UNITED STATES PATENT OFFICE.

SEVILLE '1. WEISER, F PHILADELPHIA. PENNSYLVANIAQA S SIGN'OR 1'0 SIEGMUND LUBIN. OF-PHILADELPHIA, PENNSYLVANIA.

MOVT'NG-PICTUBE-PROJECTING MACHINE.

Specificatton of Letters latent.

Patented J ulyt), 1912.

Application tiled July 10, 1908. Serial No. 442.909.

To 0 10b om if m ny eom'm'n Be it known that l. ()RVILLE 'l. \VEisER, a eitizen of the United States. residing in the eity of Philadelphia, county of Philadelphia. and State of Pennsylvania. have invented eertain lm movements in Movinglietm'e-lrojeeting tlaehines.

This invention. relating to maohines for projeetiug moving piotures, has for its lead ing objeet. to provide improved .means for automatieall v elosing and opening the passage between the lamp and the film, the passage be ng maintained open when the film is moved to exhibit the subjeot and closed when the operation is oheelced or stopped.

in tho aeeompanying drawings, Figure 1 isa se -tio1ntl side elevation of a maohine embmlving m improvements: Fig. 2 is an enlarged view of a detail of etmstruelion; Fig. 5' is a .front elevation of the lower part of the eonstruetien shown in Fig. l, and Fig. -l is a broken top view of the maehine.

'lhe maehine. eomprises the housing 1 having journaled therein the shaft- 2. which is revolved by the handle 3 and revolvesthe spur gears 1 and 5. The gear 1 engages a revoluble pinion (i whieh is tixed to a spur gear Tougagj ng a pinion 8, the latter being fixedon a -j( mrnaled shaft. 9 whieh drives thealsual meolianism 10 for revolving the shaft. ll oarrying the lower film feeding sprooltet wheels 12. The spur gear 5 drives the journaled idler gears 13, 14 and 15 throughavhieh it. is engaged with the revolublo pinion 16 fixed on the jonrnaled shaft;

17, the latter earryiug the upper film feeding sprocket; wheels 18.

d The door 19, earried by the. hinges 20 at the rear of the machine. is provided with the lightiaperture 21, which, when the door is closed. is .in line with the machines light torture-22 wherethrough the pieture is projeeled, from thefilm oarried by the sprockets, The door earries the guides or ,postsfitiluwmg ways 23" for the shutter 24,

the latter being adapted to move vertically inthe ways to open andolosethe passage.

from the lainp 25 through the light apertures of the. maohme. This shutter has thereon a log Ztleontamtng an opening Jt'i' \vherethrough extends a loop 27, whit-h, withanarm forms a lever adapted to rock on the fulorumilf), the loop having such eur\a ture that the door can he opened and the shutter revolved without being disengaged from the lever.

The arm 28 is connected by a .tie member 30. suitably a chain, with the hub 3l' of a drum 31 whieh'is loose upon the journaled shaft 32. Fixed to this shaft is a disk 33, on the face. of whioh and Within the drum 31 are the friction shoes 34 oarried by the ecrentrieally disposed arhors 35. the latter being eai'ried by the disk. Springs 36, disposed between the heels of the shoes 34 and the shaft, 32 with which they revolve. normally 'hold the shoes ut of frictional eons tact with the interior of the (lrums pe riphery. i

pinion 37 is fixed on the shaft 32 and engages a spur wheel 38 fixed to the idler gear 12-5, so that the shaft 32 and the shoes enrried thereby are. revolved in the direction of the arrow on Fig. 2 when the maohine is operated to feed the film.

\Vhen the machine is operated at the speed requisite for exhibiting the suhjeetof the film. the centrifugal action onus-es the shoes 3-1 to friotionally engage the periphery of the'drnm 31 \vhieh is revolved thereby to the extent. required for depressing the arm and elevating the arm 27. whereby the slide is raised and light permitted to pass from the lantern through the machine. "hen the operation is stopped or eheeked so that the film is not. moved at the rate requisite for exhibition, the shoes do not engage the drum so as to'move or hold it and the shutter drops.

llaving deserihed my invention, I elaim:

1. 1a apparatus of. the eluss described, a shutter having a straight line movement of reeiprm-ation. means wherehy said shutter revolves, and an arm adapted to oscillate, said arm and shutter being eonneotod so that said shutter can revolve without being diS- oonneeted from said arm. I

' Q. In apparatus of the class dosorihed. a

shutter. ways in whieh said shutter is adaptshaft, and means for eonnecting said shaft and lever, said means comprising a rentrifm gal friction device and a drum engaged by said device whereby the revolution of said shaft efiects the movement of said lever.

4. In apparatus of the class described, a

revoluble shaft, a friction shoe, means on said shaft. \\'l'i( reby said shoe istulmgumed so that it is caused to move outwardly-when revolved, a device loose on said shuftand adapted to be engaged by said shoe when revolving, a movable shutter, and means for connecting'said device and shutter.

5.. In apparatus of the'class described a revoluble shaft, a handle for revolving said shaft, :1 second revolnhle shaft, means eon;

neeting said shafts so that they revolve togethe'r, 1:1 julc'ruined "ffiietional shoe, means whereby said shoe is connected with said secondshaft, a device loose on said second shaft and ndu ited is he friiitionall y; engaged in the presence of' the subsvribing witnesses.

OR-VILL 1 T. WEISER.

-Witnesses:

'Ronen'r JAMES EAKLEYL Jos. G. DENNY, Jr.= i

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