US2165812A

US2165812A - Paint striper

Info

Publication number: US2165812A
Application number: US75586A
Authority: US
Inventors: Robert A Pfleger
Original assignee: Individual
Current assignee: Individual
Priority date: 1936-04-21
Filing date: 1936-04-21
Publication date: 1939-07-11
Anticipated expiration: 1956-07-11

Description

July 1 1939- R. A. PFLEGER PAINT STRIPER Filed April 21, 1936 FIG.5

INVENTOR Fa MAP/7e; BY 54 ATTORNEY Patented July 11, 1939 ram'r s'mrraa Robert A. Pflmr', nos anmesonu.

Application April 21, 1936, Serial No. 75,586.

Thisinv tion elateeitaapaintstriper. Such urled .on its periphery, and arranged th paint byextending into a paint thestripcr wheel is rolled. on a surinte it leaves a paint stripe thereon.

tween ears; attachedlto; aparrei-I or reservoir for the paint or laoduerorthelik Th-e excess paint .on the wheel is w pes-q stripers of the prior art, at the topsuri ce heears, where the wheel reenters it asdt. is rolled on the work.

Fig. 4 is a view, partly in longitudinal section,

general are known, "and include a strip ually. rotatably mounted bei This causes an accumulation 'ofpaint at the top portion of the wheel; and'ltmayg down a zcause a blot. i

'It is one of the objects of this invention to prevent the undesired accumulation of paint, and especially by providing a wiping. action that is not restricted to the topportion ol'the wheel.

It is another object of this invention toprovide a simple and inexpensive devioelof thecharacter referred to. V

It is still another object of this invention vto provide a paint striperthat canutilize a eoliapsible tube reservoir instead or the conventional plunger type. I

' It is still another provide a 'striper wheelthat isiarrangedyzto-de= po it a 'l ne or, rin'ejhavins a thicker layer at 80 the center'of the stripe.

It is still a othervebict ar this; invention to provide a striperkhaving a gravity teedyin' which the position-of the reservoir can be adjusted to make it possible-to the striper on a. surface obi t '16: shaman 85 that is not necessarily horizontal, and yet utilize f the gravityieedprinciples; This invention possesses many other advantages; and has other objects'which may be made more easily 'apparent'irom aconsideration of several embodiments of the invention; Forthispurpose there are shown-a lew forms in the drawing accompanying and torming'part of the present specification. These forms will now be described.

in detail, illustrating the general principles'ot the invention; but. it is to be understood that this detailed description is not to be taken in a limiting sense, since the scope of this invention is best defined by the appended claims.

Referring to the drawing:

Figure 1 is a side elevation 01' a paint striper embodying the invention;

Fig. 2 is a front elevation thereof;

of another form of the invention; and

Fig. 5 is an elevation of the striper head used in connection with the form of the invention illustrated in Fig. 4. 1 5

In Figs. 1, 2 and 3, the striper wheel ['15 i11ustrated as being adapted to paint a stripe on a surface 2. Asia well understood the periphery of this wheel can be knurled or roughened in order to provide a series of shallow recesses for 10 the paint or lacquer. The paint or lacquer is adapted to be accommodated in a gravity feed reservoir 3. This gravity reservoir is shownas of general tubular configuration, closed as by a cap 4. V

The striper wheel I is shown as carried by a head 5. This head 5 has a cylindrical recess 6 (Fig. 3) adapted to telescope over the open end of the reservoir 3. In this way a frictional con tact can'be provided between the head 5 and por- 20 tion I of the reservoir 3, making it possible to adjust the head 5' angularly with respect to the reservoir. since the other portion of the reserivoir 13 diverges at an angle, it ,is thus possible to maintain thegravity feed reservoir in proper 25 1 feeding position, irrespective of the slant or posiperiphery of the wheel I and the lower edge oi tion-jot the surface 2 upon which the stripe is to -be placed. Various positions of this adjustinentare illustrated by the dot-and-dash lines in Figs. 1 and 2. l 80 "The head 5 rotatably supports the wheel I. For this purpose the head is provided with an ear 8, havinga slot 9. The slot 9 closely encompasses the side of the wheel i; and the wheel is mounted for rotation on a transverse pin Ill extending across the slot 9 and fixed in the ear 8. The slot 8 communicates with 'the recess 6 and extends so as to intersectthe lower portion of the head i, and to provide a narrow space H between the 40 the slot. This space enables the paint to flow from the reservoir 8 and from the recess 6 to the periphery of the wheel I, as the wheel is drawn along the surface 2 toward the right. 7

' The wheel i loaded with the paint thus rotates in a clockwise direction about its own axis. In the usual form of paint striper, the paint also covers at least some of the exposed areas of the sides of the wheel I. This paint is wiped off when the wheel reenters the slot 9 at the top of the upper side of the wheel. This causes an accumulation of the paint at that spot, and there is a likelihood that the accumulated paint will drpp onto Fig. 3 is an enlarged longitudinal section of the the work, causing a blot or spot. device shown in Fig. 1;

In order to obviate this, the arrangement is 55 such that the paint is wiped oil! by a wiping action that is not restricted to the top portion of the wheel; instead it is wiped ofl gradually from the bottom to the top of the wheel I. This is secured by mounting the wheel I on an axis which is eccentric to the circular configuration of the ear I. lIn this way, that area of the wheel sides which s exposed, narrows as the top of the slot 9 is approached. This results in a gradual wiping of the excess paint from the sides of the wheel, and in ensuring that at least some of the paint will be wiped off the sides before the top of the ear 8 is reached.

The manner'in which this gradual wiping is obtained can be explained by referenceto Fig. 3. That portion of the wheel I which emerges from the bottom of the slot 0, at the area marked il, reenters the slot 9 gradually, as the wheel rotates. This gradual reentry is due to the eccentric action; and complete reentry is finally accomplished at the topof the slot at the region marked I2, where the line defining the periphery of the wheel intersects the contour of the ear 8. In other words, the exposed area of the wheel sides narrows as the entrance region I! of the slot is approached.

In order to ensure against corrosion, clogging or wear, the wheel I is preferably hard chromium plated. In this way, the wheel can be kept easily free of foreign matter, and can be more readily cleaned.

T6 provide a guide for the implement, a bent guide bar l3 can be provided. This guide bar includes a portion. ll (Figs. 2 and 3) which extends transverseLv through a boss I! formed on the head 5. A thumb screw I6 can hold the bar II in any adjusted position. Its guiding leg I can be formed by a forwardly directed extension It. By adjusting the lateral spacing between the wheel I and the portion IS, the running of a stripe at a definite spaced distance from a reference line can be readily accomplished.

It is sometimes advantageous to provide a wide wheel for depositing a wide stripe. In the form shown in Figs. 4 and 5, such a wide wheel I1 is indicated. This wheel, however, instead of having a fiat periphery, has a concave periphery l8. By the aid of this configuration, more paint is deposited adjacent the center of the stripe than at the edges. This is desirable at times to provide an embossed eflect.

In this form also, the striper head i9 is adapted to be used in connection with a collapsible tube reservoir 2|. For this purpose, it is provided with a threaded recess 2| adapted to be threaded on to the nipple 12 of the tube 20. The manner of use ih obvious. As shown most clearly in Fig. 5, the gradual wiping action is secured by eccentric mounting of the wheel il in the head l9.

What is claimed is:

1. In a paint striper, a rotatable striper wheel, a paint reservoir, and an ear providing a slot in which the wheel turns, said slot having sides close to the contiguous sides of the wheel, and having a direct communication with the reservoir, said ear providing an axis for the wheel so located that the area of the wheel sides which are exposed, na'rrows as that part of the slot is approached where the wheel periphery enters, as the wheel rotates in use.

2. In a paint striper, a rotatable striper wheel, a paint reservoir, and an ear providing a slot in which the wheel turns, said slot having sides close tothe contiguous sides of the wheel, and having a direct communication with the reservoir, said ear having a general circular configuration, eccentric to the wheel axis, so that the exposed area of the wheel sides narrows as the entrance to the slot is approached, and as the wheel rotates in use.

3. In a paint striper, a rotatable striper wheel,

a paint reservoir, a head attached to the reservoir, said head having a hollow portion in communication with the reservoir, said head having an ear providing a slot in which the wheel turns, said slot intersecting the hollow portion of the head, said ear also having a general circular configuration, eccentric to the wheel axis, and of a size approaching that of the wheel, so that the exposed area of the wheel sides narrows as the wheel rotates in use to enter the slot.

ROBERT A. PFLEGER.