US703672A - Printing-frame. - Google Patents

Description

` J. M. SMITH.

PRINTING FRAME.

, (Application filed Mar. 8, 1902.)

(Ilo Model.)

Patented July I, |902.

MMM/M Y @51j v Hom/w13 UNITED STATESl PATENT OFFICE.

JAMES MICHAEL SMITH, OF MONTREAL, CANADA, ASSIGNOR OF ONE-HALF TO ALFRED IVILLIAM BELFRY, OF MONTREAL, CANADA.

PRlNTlNGEFEM E..

SPECIFICATION forming part of Letters Patent No. 703,672, dated July l, 1902. Application filed March 8,1902. Serial No. 97,375. (No model) To @ZZ whom it may concern.- of the leaves, I mount a sucker on the in- Beit known that I, JAMES MICHAEL SMITH, side face of one or both. The sucker I prefer of the city of Montreal, in the district of Monto use consists of a soft-rubber saucer fr'. In treal and Province of Quebec, Canada, have practice I have found that it is only neces- 55 5 invented certain new and useful Improvesary to mount the sucker upon the larger ments in Printing-Frames; and I do hereby leaf, as that one is almost invariably used.

declare that thefollowing is afull, clear, and I cause the portion of the print bent out in exact description of the'same. this manner to be automatically held in that My invention relates particularly to photoposition forinspection by an angular trip de- 6o Io graphic-printing frames; and it has for its vice 7c, pivoted at its angle, as at Z, to the side object to provide a frame of this type which of the frame adjacent to the leaf c, a light will facilitate theinspection of a print thereretractile helical spring m normally yieldin and obviate the soiling thereof by fingeringly retaining` said angular device with one ing same While in the frame. arm across the edge of said leaf, the end of 65 I5 The invention may be said, briefly, to consaid arm being offset, as atj. Upon the leaf sistin providing means 'for automatically liftspringing out and drawing the print with it ing from the negative the portion of the print it will trip upon the said projecting arm of held thereupon by one of the hinged halves of the angular device and turn same upon its the back when the device for retaining said pivotrto a position with its other arm project- 7o zo half is displaced; also, providing means for ing across the inner sido of the print, thereby supporting the print away from the negative retaining it in a position to be inspected while the frame is open. without the necessity of touching it with the For full comprehension,however, of my infingers7 while the offset end j of the firstvention reference must be had to the aceommentioned arm prevents it slipping beneath 75 z5 panying drawings, forming a part of this the turned-up leaf of the back. At the leaf specification, in which like symbols indicate is pressed back to its position to retain the the same parts, and whereinprint again upon the negative the light spring Figure l is a plan View of the back of a m will cause the trip device to follow said leaf photographic-printing frame constructed acand return to its normal position. 8o

3o cording to my invention closed and Fig. 2 is It is obvious that while using printingaperspective View thereof with one end open; frames constructed according to the foregoandy Fig. Sis a detail sectional view taken on ing the print can be viewed Without touchline 3 3, Fig. l. ing it with the fingers and that owing to the The frame b and hinged leaves c and o', conautomatic turning out of the print caused by 85 35 stituting the removable back, together with the flying back of the leaf a greater amount the bow-springs d and d for retaining the of work in progress can be viewed ina given leaves tightly in contact with the negative, time than has been possible heretofore, thus,

may be as usual. besides obviating any chance of soiling the In order to cause the print f, retained bework, facilitating its completion. 9o

4o tween the removable back and negative, to I have found that under certain circumbe automatically-lifted from the negative, I stances, as, for instance, when light-weight secure the ends of a spring, preferably a bowsensitized paper is being used, the sucker may spring g, to the respective leaves of the back. be dispensed with and other changes made Upon displacing either of the retainingin the precise construction of my improved 95 45 springs d and d' the leaf held thereby will fly frame Without departing from the spirit of back, as shown in Fig. 2, and draw the pormy invention. tion of the print between it and the negative That I claim is as follows: with it, thus obviating the necessity of liftl. In a photographic-printing frame comingthe printwith the ngers andavoidinga'ny prising a negative-holder and a removable roo 5o chance of its being soiled by finger-marks or back for retaining the sensitized paper upon crumpled. To facilitate this drawing action the negative in said holder, the combination with said removable back of means for automatically lifting the sensitized paper from said negative upon the removal of the back, for the purpose set forth.

2. In a photographic-printing frame comprising` a negative-holder and a removable back for retaining the sensitized paper upon the negative in said holder, the combination with said removable back of means for automatically lifting the sensitized paper from said negative upon the removal of the back; and means for retaining said paper in said position, for the purpose set forth.

3. ln a photographic-printing frame comprising a negative-holder, a removable back consisting of a pair of leaves, and means for retaining said leaves in contact with said negative, of a retractile spring connected at its opposite ends to said leaves, substantially as described and for the purpose set forth.

4. In a photographic-printing frame comprising a negative-holder, a removable back consisting of a pair of leaves, and means Afor retaining said leaves in contact with said negative, of a retractile spring connected at its opposite ends to said leaves; an angular trip device pivotally connected to one side of said negative-holder, and a spring retaining` one arm of said trip device across one of the leaves of said back and in the path thereof as it is lifted from the negative, substantially as described and for the purpose set forth.

5. In a photographie-printing frame comprising a negative-holder, a removable back consisting of a pair of leaves, and means for retaining said leaves in contact with said negative, of a retractile spring connected at l its opposite ends to said leaves, and a sucker mounted upon the inner face of one of said leaves, substantially as described and for the purpose set forth.

6. In a photographie-printing frame, comprising a negative-holder, a removable back consisting of a pair of leaves, and means for retaining said leaves in contact with said negative, of a retractile spring connected at its opposite ends to said leaves; a sucker in the form of a soft-rubber saucer on the inner side of one of said leaves; an angular trip device pivotally connected to one side of said negative-holder, and a spring retaining one arm of said angular device across the said leaf and in the path thereof` as it is lifted from the negative, substantially as described and for the purpose set forth.

7. In a photOgraphic-printing frame comprising a negative-holder, a removable back consisting of a pair of leaves, and means for retaining said leaves in contact with said negative, of a retractile spring connected at its opposite ends to said lever; an angular trip device pivotally connected to one side of said negative-holder and having the end of one arm offset; and a spring retaining said olfset arm across one of the leaves of said back and in the path thereof as it is lifted from the negative, substantially as described and for the purpose set forth.

ln testimony whereof l have affixed my signature in presence of two witnesses.

.lAliES MICHAEL SMITH. lVitnesseS:

FRED T. Salins, FRANK Il. DENMAN.

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