US88109A - Improvement in plane-guide - Google Patents

Description

t @dritti tant @taient- @fir JOHN WOODVILLE, OF CINCINNATI, OHIO.

Letters Patent No. 88,109, [lated Ma/rch 23, 1869.

IMPROVEMENT IN PLANE-GUIDI?` The Schedule referred to in these Letters Patent and making part of the same.

To all whom it may concern:

Beit known that I, JOHN WooDvrLLn, of Cincinnati, in the county of Hamilton, and State of Ohio,

. have invented a newfand useful Improvement in Plane- 4Gruide and Holder; and I do hereby declare that the following is a full, clear,`and exact description thereof, which will enable others skilled in the art to make and use the same, reference being had to the accompanying drawings, forming part of this speciicatiomin which- Figure l represents a back-side elevation of my irnproved apparatus; t

Figure 2 represents afront-side elevation, with a part broken away; and

Figure 3 represents ,a transverse section taken on the line a: :l: of iig. l. Y

Similar letters of reference indicate like parts.

The object of this invention is to provide an adjustable holder, or clamp, for holding strips, for dressing them, and which will also serve as a guide for straightening or tapering them. It is designed more particularly to be used with the improved joiners plane, patented to me,.November 6, 1866.

It consists of a holding-strip, or board, which is designed to be secured to a bench, with one edge upward, and which is provided with an adjustable gauge upon one side, against which the strips to beplaned are clamped, by buttons and wedges on the other side of the iirst-mentioned holding-strip.

A represents the holding-strip, which may be secured to abench, or in a vise, in anysuitable manner, with the edge B upward.

C represents a guide and clamping-strip,which is provided with the T-headed inclined grooves D, whereby it is clamped to the strip A, by the bolts E and thumb -nuts E'; the heads F of the said bolts being arranged loosely thereon, and sliding in thc wide part of the grooves D.

The holes through the strips A are elongated, and provided with the hollow bolts I, having enlarged heads arranged in the recesses H. The bolts E pass through these hollow bolts, and the oice ofthe latter is to serve as rigid supports for the former when adjusted tothe Aright position, and screwed up tightly by the nuts I.

K represents clampingbuttons adjustably connected to the front face of the strip A, by the long bolts L; and

M represents wedges pivoted to the face of the strip A, in a position to be conveniently adjusted under the inclined ends of the buttons, for clamping them against the'stuff to be operated upon.

The operation is as follows:

When it is designed to dress a strip with parallel and square edges, the guiding-strip C, which is provided with one edge a,-and one bevelled edge b, is ad justed to the strip A, with the square edge a as high above the strip A as the designed width of thefstrip to be dressed the edge a being in a horizontal plane parallel with the edge of the strip A when it is clamped tight thereto by the bolts E and thumbmuts E.

The strip to be dressed is lhen placed upon the up per'edge of the strip A, and clamped between the guide C and the buttons K.

The plane, which, according to tbe improvements patented to me as above described, is provided with an adjustable guide, d,'is then placed upon the strips to be dressed, and held by the said guide, so that the edge e of the stock will project over the guide C suiilciently to arrest tbe cutting-action of the plane when the strip has been Worked down to the point coincident with the edge of the guide O.

Any number of strips may thus be dressed to the same gauge with great uniformity, while at the same time the edges will be exactly square, if the plane-guide .be'adjusted to that angle.

If it is desired to dress the strips with.bevelled edges, the bevelled edge b, of the guide C, is placed upward, as represented in blue lines, at b; and if it be desired to produce tapered strips, the guide O may be adjusted to produce any taper, by loosening the bolts E and I, so as t'o allow the plates I to move in the recesses H, to eorrespondwith the varying distances caused bef tween the points of contact with the grooves D, ofthe heads of the bolts E, by changing the horizontal plane of the guide C. l

In dressing thin strips, two or any other number,4 not wider in the aggregate than the plane-bit, may be clamped together, and dressed at once.

In dressing strips in this manner, in my improved guide and holder', with my improved planes, I have found it very desirable to provide the jack, or roughing-plane with an adjustable gauging-strip, f, as shown in red in iig. 3, for the purpose -of arresting the cutting-action of the plane-bit, the amount of a few shavings, before the strips are brought down to a level with the upper edge of the guide 0,' so that the roughing-plane may be removed in time to finish the work by the jointer, which I provide with a similar guide, d, but not with the guide f.

The latter may he adj ustably connected to the stock, so that, as the latter wears away, it may be adj usted thereon.

I am aware that clamps have already beenv arranged uponl carpenters7 benches in such arnanner as to be adjustable for cutting different widths of boards with square or bevelled edges.

Having thus described my invention,

I vclaim as new, and desire to secure by Letters Patent- 1. The combination of the clamping-bolts E and the sliding bolts I, with lthe supporting-strip A and grooved strip O, whereby said strips are held together, for dressing a board with either parallel or; tapering sides, substantially as herein shown anddescribed.

2. The combination, with the strips A and G, of the adjustable buttons K and pivoted wedges M, substantially as and for the purpose set forth.

JOHN WOODVILLE.

Witnesses:

FRANK BLOCKLEY, ALEX. F. ROBERTS.

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