US 2139769 A
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Description (OCR text may contain errors)
Dec; 13, 1938; Q E; v OSL'UND I 2,139,769
SCRAPER ATTACHMENT Filed July 28, 193'? I INVENTQR. 055422. 17 UJZZ/I V'D ATTORNEYS.
Patented Dec. 13, 1938 STATES SCRAPER ATTACHMENT Oskar E. V. Oslund,
San Franci'sco calif Application July 28, 1937-. Serial No.' 156124 v 2 Claims. lily invention relates to ifr'iprovement's in a scraper attachment, and it consists of the combinations, constructions and arrangements hereinfafter described and claimed.
scraping ca'lcimine or other material from a ceiling, it necessary for the painter to' support a receptacle in one hand for catching the material scraped from the ceiling. It becomes extremely tiresome for the'painter to support the receptacle for any length of time with one hand, while moving the scraper with the other hand. Frequently some of th'ema-teria-l drops from the receptacle onto the floor.
The principal object of my invention is to provide an attachment for any sized scraper that may be removably secured to the scraper in a position where it will catch the material scraped from the ceiling. The attachment is made extremely light in construction and is secured to the blade of the scraper at a point adjacent to the handle Where it will not interfere with the normal operation of the scraper. With this attachment, the painter need not use one hand for supporting a receptacle while using the other for manipulating the scraper. The scraper itself, will support the attachment and the operator can use the scraper in the ordinary manner while at the same time catching all of the material scraped from the ceiling.
The attachment is made from a single piece of light material and the side Walls of the receptacle have inclined upper edges extending rearwardly from the front of the scraper. These inclined edges will permit the scraper blade to be flexed during the scraping operation without causing the edges of the receptacle to contact with the ceiling. The receptacle is reinforced by means of a rod and this rod also acts as a support for a top plate which in turn carries the means that connects the scraper blade to the receptacle. The attaching means is adjustable for accommodating scraper blades of various widths.
The device is extremely simple in construction and is durable and efficient for the purpose intended.
Other objects and advantages will appear in the following specification, and the novel features of the device will be particularly pointed out in the appended claims.
My invention is illustrated in the accompanying drawing forming a part of this application, in which Figure 1 is a section along the line l! of Figure 2;
Figure 2 is a. top plan view of the device; and
Figure 2 a v 7 a lncarrying out my invention I provide a receptacle indicatedgenerally at I.
t erialand' has a bottom 2 and s'ide walls 3' and 4 bent upwa'rdly'f rom the bottom; Therear-wall 5 of the receptacle is also bent" upwardly from the" bottom and has an overhanging top portion 6 to the'blade I; of astandard-scraper 8, is removably secured in a manner hereinafter described. Tiler-ear wall 5=isreinforced bystrips of metal 9 integral with the rear Wall and bent back along the re'ar' wall from the corners Ill ofthe receptacle, as 'shownifiFigure 2. The'side walls 3 and 4 also have metal portions II that are bent at right-angles thereto and abut the portions 9. The portions 9 and H are in reality,
formed from the same sheet of material that makes the receptacle, and the pieces 9 and II are connected to each other along a line of folding indicated at I2, see Figure 3.
The top portion 6 has its front edge rolled around a reinforcing rod I3, see Figure 1. The rod extends from the side 3 to the side 4 of the receptacle and has its ends up-set at [4 for securing the rod in place. It will be noted from- Figure 1 that the sides 3 and 4 have inclined portions l5 extending upwardly from the front edge [6 of the receptacle. The inclined edges [5 are at a suflicient angle to permit the blade 1 to flex during the scraping of the calcimine or other material from the ceiling. It will be seen from Figure 1 that the leading edge is of the receptacle is slightly in advance of the scraping edge ll of the blade 1. This will cause all of the material scraped from the ceiling to drop into the receptacle.
Any desired means may be employed for securing the blade I of the scraperto the top 6. In Figures 2 and 3 I show adjustable clamps l8 and I9 placed on the top 6 and held in position by bolts 20-20 and 2|--2I. The bolts extend through openings 22 in the top 6, see Figure 3, and also extend through slots 23 in the clamps. The slots 23 are wider than the diameter of the bolts and this permits a slight lateral adjustment of the clamps to position them properly for connecting the blade I to the top 6. Figure 3 shows the clamps I8 and 19 provided with recesses 24 for receiving the blade 1. The clamps l8 and I9 are secured in proper position by nuts 25 mounted on the bolts 20 and 2|.
From the foregoing description of the various The receptacle V is constructedifroni a single sheet of light maparts of the device, the operation thereof may be readily understood.
In securing the scraper to the attachment, the nuts 25 are loosened and the adjustable clamps I 8 and I9 are moved away from each other, in order for the blade I to be received in the recesses 24. After the blade is placed flat upon the top 6, the clamps are moved toward each other until the vertical walls of the recess abut the edges of the blade. If desired the clamps may be moved laterally a slight distance into angular positions for causing the vertical edges of the recesses to contact with the edges of the blade throughout the greater portions of the edges. The nuts 25 are then tightened and the scraper may now be used in the ordinary manner.
During the actual scraping operation, the blade 1 is inclined at an angle to the surface of the ceiling and generally enough pressure is applied to flex the blade slightly. The inclined edges l5 permit the blade to flex without the sides of the receptacle contacting with the ceiling. The receptacle will catch all of the material scraped from the ceiling. The attachment permits the operator to use only one hand for both scraping and catching the material, and when the receptacle is filled, the material may be dropped from the receptacle into a box provided for that purpose. It will be seen that the scraper handle also acts as a handle for the receptacle.
Four holes 22 are provided for each adjustable clamp, and the bolts 20 and 2| may be inserted through the desired holes in accordance with the width of the scraper blade which is to be secured to the attachment. The clamps are preferably made thick enough to grip the scraper knife and if desired the underside of the recesses 24 may be slightly inclined for frictionally engaging with the scraper blade. The attachment may be quickly removed from the scraper blade when it is desired to use the scraper for any other purpose.
While I have shown only the preferred form of my invention, it should be understood that various changes or modifications may be made within the scope of the appended claims without departing from the spirit of the invention.
1. An attachment for a scraper comprising a receptacle, and clamps adjustably carried by the receptacle and being movable toward and away from each other to accommodate blades of different widths, said clamps being swingable into angular positions for paralleling and engaging the inclined sides of the blade.
2. An attachment for a scraper comprising a receptacle having a bottom, two side walls, a rear wall, and a short top wall extending forwardly from the rear Wall, a reinforcing rod cooperating with the front edge of the top wall, the edges of the side walls being inclined upwardly from the front edge of the bottom, and clamps adjustably carried by the top and being movable toward and away from each other for clamping a scraper blade to the top, the inclined side wall edges permitting the blade to freely flex during use and the reinforcing rod constituting a fulcrum against which the blade is flexed.
OSKAR E. V. OSLUND.