US 2527089 A
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Oct. 24, 1950 A. T. ADAMS HOLDER FOR SANDPAFER Filed June l5, 1949 Patented Oct. 24, 1950 UNITED. STATES PATENT 4OFFICE HOLDER FOR SANDPAPER Arthur T. Adamaoak Bark, 1:11.l Application June 15, 1949, Serial No. 99,199
AThe present invention. relates to a common type of holder for sand paper and has for its purpose to improve the same. Holders of the aforesaid type comprise a flanged shoe and a handle member that is inserted between the shoe flanges to secure the two members together and, at the same time, clamp to the flanges sand paper stretched across the under sides of the shoe and brought up over the flanges. These devices have usually been made of resilient sheet metal, but the stresses set up, while vigorously sand papering, are so great that various kinds of fas'tenings have been used to hold the parts together.
The object cf the present invention is so to con'- struct holders of the aforesaid type that they may be made of two pieces of resilient metal, as before, and operate with complete success without the use of any eXtra parts as special fastenings.
I have discovered that by corrugating the flanges of the shoe at right angles to the sole of the shoe, and providing the handle member with corrugations that mesh with those in the shoe flanges, the sand paper may be gripped so firmly between the handle member and the flanges on the shoe that neither the sand paper nor the handle member can shift its relative position in the device during the most forceful sanding operation.
The various features of novelty whereby the present invention is characterized will hereinafter be pointed out with particularity in the claims, but, for a full understanding of the invention and of its objects and advantages, reference may be had to the following detailed description taken in connection with the accompanying drawing, wherein:
Figure 1 is a perspective View of a sanding device embodying the present invention; Fig. 2 is a side view of the device with parts broken away to allow four different layers to be seen; Fig. 3 is an end view of the device; Figs. 4, 5 and 6 are end views of the handle member, the shoe, and the folded sheet of sand paper, respectively, separated from each other; and Fig. 7 is a section on line 1 1 of Fig. 3, but on a larger scale.
Referring to the drawing, I is a flat, elongated shoe of sheet metal having at its long edges flanges 2, 2 that converge slightly as they extend upwardly. 3 is a handle member, also made of sheet metal bent to produce a rounded, ridgelike handle or grip 4 from which wings 5, 5 extend laterally and, to some extent, downwardly. The wings terminate at their long edges in flanges 6, 6 that are nearly vertical but diverge a little from top to bottom.
vi claims. (ol. 51-1-87) 'I In accordance with my invention, the flanges 2, 2 and B, 6 are provided with wide, fiat or shallow corrugations 1 and 8, respectively, that are preferably similar to each other. In any event, when the handle member is sprung into the space between the flanges on the shoe, the corrugations in each flange on one member should mesh with the corrugations in the adjacent flange of the other member. The handle member is so proportioned that its flanges tend to spread apart a little farther than the distance between the flanges on the shoe. Therefore, when the handle is sprung into the shoe, the flanges on the former press forcibly against the anges on the shoe and keep the corrugations in interlocked relation to each other.
Sand paper to be used with the holder is out into pieces a little longer than the Shoe and having a width substantially greater than the combined widths of the shoe and its two flanges. After such a piece 9 is placed beneath the sole of the shoe, the portions I0, projecting beyond the sides of the shoe, are bent up in contact with the outer faces of the shoe flanges and then over the upper edges of and downwardly beside the inner faces of these flanges in the form of flaps Il, that are to be gripped between the shoe and handle members. Then when, the handle member is sprung into place, its flanges crimp the flaps into the valleys in the inner sides of the flanges on the shoe. The sand paper is thus gripped so tightly that it is effectively anchored to the holder, and cannot loosen while a sanding operation is being performed.
While I have illustrated and described with particularity only a single preferred form of my invention, I do not desire to be limited to the exact details thus illustrated and described, but
intend to cover all forms and arrangements that come within the definitions of my invention constituting the appended claims.
l. A holder for sand paper composed of a shoe member having at opposite edges a pair of flanges over which the ends of a sheet of sand paper forming a facing for the sole of the shoe may be bent and form flaps lying on the inner side thereof, and a handle member having flanges that are sprung into the space between the flanges on the shoe and clamp the sandpaper against the latter flanges, the meeeting flanges being corrugated transversely of the plane of the shoe and in mesh with each other to crimp the sand paper.
2. A holder for sand paper composed of a shoe member in the form of a resilient plate in the form of an inverted trough having upstanding flanges at opposite edges, and a handle member composed of resilient plate material provided with diverging Wings terminating in anges spaced far enough apart to require springing thereof to insert them in the space between the flanges of the shoe member, the flanges on the shoe being corrugated on lines transverse to the plane of the shoe. and the flanges on the handle member being corrugated to mesh with the corrugations in the other flanges.
3. A holder for sand paper composed of a shoe member having upwardly extending anges along two opposed edges, and a handle member having flanges adapted to lie between and engage with the flanges on the shoe member, at least one of said members being resilient to permit its anges to yield under lateral pressure, the iianges on said members being so disposed that one of themmust be sprung in uniting said members, and the meeting nanges being corrugated so as to mesh with each other and crimp along lines transverse to the plane of the shoe, sand paper ends interposed between the anges on one member and the corresponding flanges on the other member.
4. A holder as set forth in claim 3, wherein the corrugations are wide and shallow.
ARTHUR T. ADAMS.
REFERENCES CITED The following references are of record in the le of this patent:
UNITED STATES PATENTS Number Name Date 809,615 Hopkins Jan. 9, 1906 840,982 Williams Jan. 8, 1907 1,744,820 Wilding Jan. 28, 1930 2,033,134 Faneher Mar. 10, 1936 2,428,618 Dispensiere Oct. 7I 1947