US367242A - Painting-machine - Google Patents

Description

3 Sheets-*Sheet 1 (No Model.)

W. SCHWARTZ.

PAINTING MACHINE.

INVENTOR;

WITNESSES Homey N. PETERS. Pmwmhugmpher, wnhingmn, D. c.

(No Model.) 3 sneecs-sheen 2.

W. SCHWARTZ.

PAINTING MACHINE.

No. 367,242. Patented July 26, 1887.

ma@ By g4 5" .ltforney Y N. PETERS, Phalmnognpber. wnhnglon. D4 i;

(Nonodel.) y s sheets-sheet 3.

. W. SCHWARTZ.

PAINTING MACHINE. No. 367,242. Patented July 26, 17887.

INVENTOR:

WITNESSES; @Y l 6' i vlttorney.

N. PETERS, Phum-Limagmpher, wnshingnm. D.Cx

, UNITED KSTATES PATENT OFFICE.

`VILLIAM SCHWARTZ, OF ELIZABETH, NEW JERSEY.

vPAINTING.-

MACHINE.

SPECIFICATION forming part of LettersPatent No. 367,242, dated July 26, 1887.

Application filed March 211887. Serial No. 23l,666. (No'model.) Y

To all whom, it 77mg/ concern:

Be it known that I, WILLIAM SCHWARTZ, a citizen of the United States, and a resident of Elizabeth, Union county, New Jersey, have invented certain Improvements in Machines for Use in Painting Shingles and the like, of which the following is a specification.

My invention relates to that class of machines employed in mechanically coating shingles, laths, Sie., with paint. My machine is not designed to apply the paint mechanically to the shingle, but after the shingle has been dipped in a paint bath and insertedin the machine thelatter removes the surplus paint from the faces and edges of the shingle and smooths the coat.

The object of my invention is to produce a simple and effective machine that will operate equally well on shingles of different widths and thicknesses, and one that will be durable and easily cleaned.

My invention will be hereinafter fully described, and its novel features carefully defined in the claims.

In the drawings, which serve to illustrate my' invention, Figurel is a vertical longitudinal mid-section of my improved machine. Fig. 2 is a front end view, and Fig. 3 is a plan, of my improved machine.

Before proceeding to describe my invention in detail, I will say that in using the machine the shingles are first dipped in a paint bath and entirely covered with the paint. The workman then takes the shingle from the bath and passes it, thin end first, between facewipers, which form apart of the machine, pushing it through the wipers far enough for its end to enter between a pair of revolving rubber-faced rollers.y These serve to smoot-hand lay the coat of paint on the faces of the shingles and to feed the latter on into the machine. The shingle nowencounters two self-adj usting edge-wipers, which wipe the paint from the edges. It is then nipped and forwarded by a second pair of revolving rubber-faced rollers, which further smooth its faces, and iinally deliver it at the back of the machine. Suitable Scrapers and receptacles for the surplus paint are provided, as will be described.

A represents a stout frame, .preferabl y of cast-iron. This `franne is designed to support the operative parts of the machine.

ers of each pair with intermeshing toothed gear-wheels C C, and arrange between the gearwheels, on the upper rollers of the pairs, a toothed driving-wheel, CX, on a cross-shaft,

D, the teeth of said wheel GX meshing at its opposite sides with those of the two upper gear-wheels, C. On the other end of shaft D is a crank, DX, whereby said shaft may be rotated by hand. A belt-pulley may, however, be substituted for ythe crank, so that the rollers can be driven by power. The upper rollers of each pair are held down by springpressure, their `journals finding bearings in boxes a a, mounted in slots or slideways b in the machine-frame. Extending across the machine, and its ends resting on said boXesa, is a spring-bar,A E. There are two of these bars, one for each upper roller of each pair.

F is a leaf-spring, the ends of which rest in the bars E in recesses formed in the same. In order to keep the spring F in place its ends are provided with slots bx, and screws c are driven through these slots into the bars E.

At the middle of the machine-frame is a cross-bar or bridge, G, and through a central boss on this bridge is driven' a screw, H, the

`end of which bears on the crown of spring F.

By means of the screw the tension of the spring ...may be regulated.

I IX are the two wipers, between which the dipped shingle is primarily inserted. These are of vulcanized rubber, by preference, and about as long as the rollers. The lower wiper, I, is fixed, being attached'to a cross-bar, J, secured to the machine-frame. The upper beveled edge of this lower'wiper stands normally about on the same level as the top of the lower roller. The bar JX, to which the upper wiper is secured, is mounted to play up` and down in guide-slots d in the machineframe. rely upon gravity to keep it pressed down; but it might be pressed down by a spring or springs.

In Figs. 1 and 3 I have represented a shingle, X, as having been placed in the machine and as being carried forward by the rollers B B. It will be seen that the wipers I IX are slightly bent over at their edges by the moving shingle. These wipers might, however, be made so thick as not to so iiex or bend. .Inst in advance of the lower wiper, I, I have shown a small roller, K. This is merely de signed as a guide for the insertion of the shingle and to keep the rear end of the shingle from dropping after it has passed entirely through the wipers.

After the advancing end of the shingle X has fairly entered the space between the pairs of rollers it encounters the edge-wipers L L. These are alike, and a minute description of one will suffice for both. These wipers project out from opposite sides of the machine, preferably obliqucly, as shown. They need not meet, as it is only necessary they should encounter the narrowest as well as the widest shingle, and the narrowest shingle will not be less than three inches wide. The ed ge-wiper comprises an arm, e, fixed to a hinge-axis, ev, rotatively mounted in a vertical bearing in the machine-frame. On the free end of arm e is a wiper-plate, e, of vulcanized rubber or some suitable yielding material, that will remove the surplus paint from the edge of the shingle. On the hinge-axis cX is a coil-spring, c2, one end of which is secured to the machineframe and the other to said axis. This spring holds the arm e up to a suitable stop, e, normally, but the advancing shingle is free to swing it around 011 its hingeaxis and force a passage between said wipers.

llI is a bed extending across the machine, its upper surface being alittle below the level of the upper surface of the lower rollers. The wiper-arms c rest on and play over this surface; but in order that the rubber wiper-plate e may project a little below the lower surface of the shingle, and thus assure the thorough wiping of the edge of the latter, I form a recess, g, in the bed M, for the free ends of the edge-wipers L to play in. This recess also serves to receive and collect the paint removed, which flows down to the lower part of said recess and out through a hole or holes, f, whence it drips into a suitable receiver, N, below.

The shingles will vary in width from about four to fifteen inches ordinarily. The operator in feeding the machine will take care that the axis of the shingle, whatever may be its width, will coincide approximately with the axis of the machine. Then the edge-wipers L will yield equally for the passage of the shingle. However, it is not essential to the operation of the machine that great care be exercised in this respect. If the shingle be not entered as above described the first pair of feed- I usually make said bar of iron andl rollers will carry' it through straight, or nearly so.

After the shingle has advanced far enough its leading end will be seized by the last pair of rolls, BX BX, and it will be carried through and delivered at the back of the machine. The shingles eventually slide down a chute or inclined way, m, of any kind.

As the rollers will collect more or less paint on their surfaces, I provide them with scrapers and troughs for carrying off the surplus paint. The serapers for the upper or self-adjusting rollers are alike, and those for the lower-.fixed rollers are alike. The troughs are substantially alike in all four. I will describe one of each.

In front of the Lipper roller, Bf, is hung a scraper bar, h, preferably of wood. This scraper is secured to one lip of a sheet-metal trough, hx, the other lip of said trough being attached to swinging arms hm, one at each end of the trough, suspended from the machine-frame at w. A spring or springs, IL', connecting said arms to studs h2 on the frame, hold the scraper 7i up elastically to the upper roller, BX, and allow said roller to play up and down. The sheet-metal trough slopes from one end to the other, and the paint collected therein Hows to the lower end and drips thence down into the recess g in bed M.

The scraper for upper roller,B,is constrn cted in the same way, and the same letters of reference are employed to designate its parts. However, in the ease of this scraper, the inclined or sloping trough discharges down by a pipe, h3, directly into the receiver N.

The scraper for the lower roller, BX, con1- prises the scraper-bar i, of wood, the sloping sheet-metal trough fix, and hinging-lugs i', hinged to brackets i on the machine-frame. As theselower rollers do not play up and down, an elastic pressure is not necessary, and screws i3, screwing through the brackets and bearing on the trough or the lugs i', serve to set the scraper-bar up against the roller. These scrapers for the lower rollers discharge the paint collected directly into the receiver N. From the receiver N the paint may flow out at an outlet, j, and into a paint bath arranged below. I have not deemed it necessary to show this bath or receptacle for the paint. It may be of any kind and be arranged in any convenient way. For example, the machine may bescrewed to a bed, Y, of wood, in the nature of a platform, and this platform be secured on the top of a large paint holder or tank near its side, so that the shingles can be taken from said tank by the left hand ofthe workman while his right hand grasps crank IVeights might be substituted for the springs F and c2 with good results; but I prefer the construction shown. I consider weights as the mechanical equivalents of springs in this construction.

I am well aware that in machines for this and analogous purposes it is customary to em- IlO ploy feeding-rolls to feed the strip or thing to be painted and revolving brushes to spread and smooth the paint; and I am also aware that it is common in these machines to employ p scrapers or doctors lto remove the surplus paint from said revolving parts. I do not apply the paint with my machine; nor do I employ any revolving brushes or rollers to spread the paint. My object in arranging the rubber Wipers I IX in advance of the first pair of feeding-rollers is this: The shingle when taken from the paint bath is dripping with paint. If it were passed in this condition directly between the feedrollers, these latter would soon become so coated `and fouled with paint as to render the machine useless; but the wipers I I remove this surplus paint, and only a very little reaches the feed-rollers. My object is not especially to spread the paint, but to wipe off the surplus. The rubber-faced feed-rollers serve to smooth the coat. I do not think the removal of the surplus paint can be accomplished, practically, by means of revolving brushes.

Having thus described my invention, I claim- 1. In amachine for use in painting shingles and the like, the combination, with a pair of feed-rollers, B B, of the fixed bar J, the .rubber face-wiper I, secured thereto, the bar JX, mounted in guides, so that it may play up and down, and the rubber face-wiper IX, secured thereto, the said rollers and wipers being arranged with respect to each other substantially as shown and described.

2. In a machine for use in painting shingles and the like, the combination, with a pair of feed-rollers, B B, of the edge-wipers L L, each. comprising an arm, e, a hinge-axis, ex, having a bearing inthe frame of the machine, the wiper-plate e', and the spring e2, all arrange substantially as set forth. v

3. The combination, with the `feed-rollers, of the bed M, having a recess, g, and the hinged edge-wipers L L, having wipenplates e de'- pending into said recess g in the bed, substantially as and for the purpose set forth.

4. 'lfhe combination,with the feed-rollers, of the recessed bed M, the yielding edgewipers LL, having their free ends depending into said recess,whereby the surplus paint is allowed t0 fall into said recess in the bed, and the receiving-pan N, said recess in the bed having an outlet, f, over the pan, substantially as set forth.

In Witness-whereof I have hereunto signed my name in the presence of two subscribing Witnesses.

NVILLIAM SCHWARTZ.

Witnesses:

HENRY GoNNET'r, T. C. OAPLINGER.

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