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UNITED STATES PATENT OFFICE.
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FORDYCE BEALS, OF PITTSFIELD, MASSACHUSETTS.
DOUBLE-PLANE IRON.
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Specification of Letters Patent No. 8,796, dated March 16, 1852.
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To all whom it may concern:
Be it known that I, FORDYCE BEALS, of Pittsfield, in the county of Berkshire, in the State of Massachusetts, have invented new and useful Improvements in Double-Plane Irons; and I do hereby declare that the following is a full, clear, and exact description of the construction and operation thereof, reference being had to the accompanying drawings, and to the letters of reference thereon, it being a part of this specification, in which —
A is the iron, C a section of the cap, and B a dovetail slide or projection of cap.
The nature of my invention consists in an improved arrangement for connecting and adjusting the cap to the iron.
To enable others skilled in the art to make and use my invention I will proceed to describe its construction and operation.
I construct my plane irons of any desired width, thickness, or form, with the following exceptions: In the place of a screw bolt as now used I substitute a dovetail slide formed by an oblong projection with beveled edges, either forged, screwed, or riveted or fastened in some feasible way to inside of cap, as shown at B in accompanying drawings, this projection being placed in the slot made in iron, as shown at B, of corresponding width, and edges of corresponding angle or bevel brings the cap with ease and accuracy to a parallel position with iron and obviates the necessity of a bolthead or projection of any kind on the back side of iron.
Also my improvement consists in an elongation of a portion of the cap to the length or to nearly the length of the iron, the elongation being wholly upon one edge and nearly half the entire width, as shown at C in drawing. To make this arrangement convenient I remove a portion of the iron from the slot upward (the iron being in a working position) the entire thickness and one half or near one half its width, thus giving place for the elongated part of cap as shown at C.
I disclaim all contrivances, arrangements, or forms of cap or iron which together compose a double iron now in general use.
What I claim as my invention and desire to secure by Letters Patent is —
The new and improved mode of fastening and adjusting the cap to the iron by means of a projection and slot forming a dovetail slide giving new facilities for the operation; and also a level surface to the back of the iron; also the elongation of part of the width of the cap and its occupying the place of a removed part of iron, giving the operator new facilities in nicely adjusting cap to edge of iron without removing it from the stack, the same as herein described using for the purpose the aforesaid arrangements of parts or any other substantially the same and which will produce the same effects in like manner.
FORDYCE BEALS.
Witnesses:
JULIUS ROCKWELL,
JAMES D. COLTER.
