US267958A

US267958A - Crosscut-saw

Info

Publication number: US267958A
Authority: US
Publication date: 1882-11-21
Anticipated expiration: 1899-11-21

Description

(NoModel.) G.- W. WILLS.

GROSS-GUT SAW. j

No. 267,958. 'Patented Nov. 21, 1882.

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YUNITED y STATES PATENT OFFICE,

GEORGE W. WILLS, O F EAST PORTLAND, OREGON.`

. CROSSCUT-SAW.

SPECIFICATION forming` part of Letters Patent No. 267,958, dated November 21, 1882.

Application filed March 13, 1882. (No model.)

To all whom it may concern:

Be it known that I, GEORGE W. WILLS, of East Portland, in the county of Multnomah and State of Oregon, have invented certain new and useful Improvements in Orosscut- Saws 5 and I do hereby declare that the following is a full, clear, and exact description of the invention, which will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, which form a part of this specification, and in which- Figure 1 isa side view ofthe blade cfa crosscut-saw of my improved construction, and Fig. 2 is a perspective top view of the same.

Similar letters of reference indicate correspending parts in both the ligures.

My invention has irelation to crosscut7 or buck 7 saws for sawing timber; and it consists in an improved construction and arrangement of the teeth and drags, as hereinafter more fully set forth, and particularly pointed ont in the claim.

In the annexed drawings, A represents the sawblade, which may be of any desired length and width. At the point C', which letter indicates one of the drags or clearers, is the middle ofthe saw-blade, the teeth B of which are grouped in pairs and connected, the two teeth comprising a pair, by a web, c, uniting their bases. lt will be seen that the teeth have perpeudicular cutting-edges a a in front or facing the ends of the saw, but sloping cutting-edges e c' facing or pointing toward the middle C of the saw. In other words, the vertical cutting-edges a on one side of the middle and a^ on the other side thereof are all parallel to one anfother and at right angles to the body of the saw-blade, while the sloping cutting-edges c on one side of the middle are parallel to one another, and those, c', of the teeth on the other side ot' the middle are also parallelv to one another. B B is a drag-tooth, C, having a reversed bevel in each alternate point d and d', as shown. This construction of thesaw, with the arrangement of the teeih,`as described, prevents it from sliding or running7 when being used, produces a smooth and even cut, and causes it to run easily and with a minimum of waste friction.

` Having thus described myiuvention, I claim and desire to secure by Letters Patent of the United Statesi As an improvement in crosscut-saws, the blade A, having teeth B B grouped in pairs, with the teeth of each group united at their bases by a web or raised part ofthe saw-blade c, the groups of teeth B B alternating with drags C, and having cutting-edges a a at right angles tothe body of the saw, and cutting-edges c c sloping from point tobase, with the slope or incline in the direction of the middle of the saw-blade, substantially as and for the purpose herein shown and specified. y

In testimony that I claim the foregoing as my own I have hereunto affixed my signature in presence of two Witnesses.

GEORGE WASHINGTON WILLS. Witnesses:

EUGENE L. THORP, VAL. BROWN.

Between each pair of teeth. or cutters