US1045218A - Scythe-blade. - Google Patents

Description

J. W. TIMMONS.

SCYTHE BLADE. APPLICATION FILED x0122, 1910.

J. wqT m ww Patented Nov. 26, 1912.

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JOSEPH W. TIMMONS, 0F ORLANDO, FLORIDA.

SCYTHE-BLADE.

To all whom it may concern:

Be it known that I, Josnrn W. TIMMoNs, a citizen of the United States, residing at Orlando, in the county of Orange and State of Florida, have invented certain new and useful Improvements in Scythe-Blades; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

My invention relates to new and useful improvements in scythe blades and my object is to provide a scalloped cutting edge for the blade.

A further object is to provide reinforcing ribs for the under face of the blade.

A further object is to provide ribs or corrugations on the under face of the blade, and, a further object is to provide means for reinforcing the shank of the blade.

Other objects and advantages will be hereinafter set forth and pointed out in the specification.

In the accompanying drawings, which are made a part of this application, Figure 1 is an under-plan View of the blade. Fig. 2 is an enlarged longitudinal sectional view. Fig. 3 is an enlarged transverse sectional View, and Fig. 4 is an elevation of a portion of the blade, showing a reinforcing rib for the shank of the blade.

Referring to the drawings, in which similar reference numerals designate corresponding parts throughout the several views, 1 indicates the blade, the cutting edge of which is provided with a plurality of curvatures or scallops 2, so that when the blade is forced through the grass, or whatever is being mown, a greater cutting surface will be presented. The under face of the blade is provided with a plurality of ribs 3, which are substantially \l-shaped in cross section and tapered lengthwise, while the side faces of the ribs are curved, as best shown in Fig. 3, thereby forming transverse grooves. The blade is slightly curved longitudinally and the ribs are arranged transversely thereof and extend from the cutting edge to the back ridge A; being disposed at an angle to the latter. The ribs extend under the forward edge of the back ridge and encroach upon the under surface thereof; merging with the same and depending therefrom, in the form of a shoulder or Specification of Letters Patent.

Application filed November 22, 1910.

Patented Nov. 26, 1912.

Serial No. 593,698.

heel 3, which is rigidly united with said back ridge. The end of the blade 1 terminates in a shank 4, and in order to reinforce the shank at the point of greatest strain, a rib 5 is formed at the intersection of the shank with the blade, this being the point of greatest strain when the blade is swung to force the same through the grass.

The ribs 3 on the face of the blade not only strengthen the blade, but also provide a bearing surface for the blade, thereby causing the blade to readily move over the ground or the stubbles of the grass, or grain being cut by the scythe. It will likewise be seen that by tapering said ribs from the back of the blade toward the cutting edge thereof, the blade will be so tilted when applied to use as to readily pass through the grass, etc., being out, said blade having a tendency to move downwardly at its forward edge.

What I claim is:

1. In a scythe, a blade having a back ridge and a scalloped edge and having transverse ribs on its under surface extending from the intersections of the scallops across the blade and onto the under surface of the back ridge, said ribs being rigidly united with said back ridge and terminating in a depending shoulder.

2. In a scythe, a blade comprising an edge portion and a back ridge, transverse ribs extending obliquely across said blade on the under side thereof and terminating in a shoulder which unites with the under side of the back ridge and depends therefrom.

3. A scythe blade comprising an edge portion and a back-ridge and ribs extending from the edge portion across the blade and terminating in an approximately vertical shoulder on the surface of said back ridge.

4. A scythe blade comprising an edge and a back ridge and a shank and having transverse ribs on the under side thereof, said ribs extending approximately across the blade in an inclined direction and encroaching upon the under surface of the back ridge.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

JOSEPH W. TIMMONS. Witnesses:

W. F. DnLozIN, JAs. S. HUDDLEs'roN.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. G.

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