US98305A - Improvement in plane for shaving whalebone - Google Patents

Description

- illaited yStates @gaat aan.

Lewis Patent No. 98,305, dated member 2s, 1869.

IMPROVEMENT IN. PLANE POR'SHAV'ING WEALEBONE.

The Schedule referred to in these Letters Patent and making part of the same.

To ail persons to whom these presents may come:

Be it knownv that I, JAMES A. SnvEY, of Boston, in the county ofSudolk, and State of Massachusetts, have invented a new and useful or Improved Machine or Implement for Strippingor Shaving Whalebonc; 'and I do hereby declare the same to be fully-described in the following specification, and represented in the accompanying drawings, of which;

Figure l denotes a perspective view of it:

Figure 2, a vertical and longitudinal section; andv Figure 3, a transverse section of it.

vIn such drawingsy E denotes va plane-stock, made of wood, or other proper material, and provided \vith-'a handle, a, which extends fromit in manner as exhibited in figs. l and At or near its heel, the said 'stock is rebateden'- tirely across it, as shown at b c d, in fig. 2, and also in fig. 1. v

Within the recess or rebate, I arrange, at suitable ldistances apart, and parallel to each other, two metallic blocks or plane-iron supporters A, they being rebate'd on their inner edges, as shown at e e, in fig.

. 3, in order to receiveand support a'plane-iron or cut- The plane-iron C is held to these supporters A' A by means of clamp-screws g` g, screwed iu'to the su'pporters, and arranged, with reference to the plane-iron,- in manner as' represented.

Each supporter, is held in place by three screws, yS S P, two of which go through the supporter and screw into the planestock. The third screw, P, is arranged between the screws'S S, and is screwed through the plane-stock, and against the supporter, the whole being as shown in iig. 2.

By means ot' these adjusting-screws .S S P, the inclination or bevel of the knife or plane-iron can be so adjusted as to bring the cutting-edge thereof down tor a plane, L` L, which extends from the lower edge of the front end of a plate-spring, M, to the lower edges ofthe four screws q g. Y In advance of the plane-iron C there is a springplate or throat-piece M, which is secured to the .planestock E by means oftwo screws, B B, which go through slots It Ji,- (made in the plate M,) and screw into thev stock.

',Fuithermore, certain adjusting-screws, D D D, screw down through the stock E, and against the upper surface of the plate M. These screws, wit-h `the screws vB B, and the slots h h, are to adjust the elastic throat-piece M, or enable it to be perfectly adjusted with reference to the cutting-edge ofl the plane-iron C.

The implement is to be used in the manner of a common calpenters plane, the spring-plate M being;

flrst properly adjusted, with reference to the cutting-v edge of the plane-iron, so as to cause suole-edge, when forced against the, end of a slab of whaleb'one, to strike A.junction with the knife-edge and the plane j, will not only yield, so as toallow the plane-iron to hit the end ofthe. slab at the proper depth, but will afterward piess upon the upper surface of the portion to be removed, andl hold the whole down to the bench.

1 'flhe implement, on being moved forward, will separate a strip of even thickness from the slab, however irregular' the slab may be on its upper surface.

v Iam aware of the plane described in the United States patent, No. 50,947, dated November 14, 1865,

and granted' to Harrisolrogborn, and I ina-ke no clailn thereto. My plane differs from it, in having its cut,

ter C sustained by `two adjustable supporters A A,

which answer not'only as means of holding the cutter, but as guides for the shaving, to direct it properly through and out the plane.

My planealso has the elastic throat-piece M, provided 'with adjustments, by which it canbe adjusted both laterally and longitudinally, with respect to thev edge ofthe plane-iron C; whereas, the throat-piece of Oghorns plane is inelastic, and adjustable on'lyvlat-V erally, or up and down.

The elastic or spring throat-.piece M does not project over the plane-iron, but is arranged in front of it, and with its working end in the. same plane vwith the cutting-edge of the knife O.

In'vorder for the -knifc G to cut, the throat-piece M must first spring upward, and, while the shaving is being cut, the throat-piece is borne down on it by the 'inherente-elastic force of the throat-piece, the same enabling very thin, and smooth, and even shavings to be 'removed from lthe whalebonc. Consequently,

What I claim as my invention is as follows:

The combination and arrangement ofthe spring or elastic throat-piece M, (providedwit-hadjusting-de-v Witnesses:

R. H. EDDY, F. P. HALn,-Jr.

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