US148207A - Improvement in machines for planing shingles - Google Patents

Description

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Machines for Planing Shingles. N0.|48,2O7, PatentedMarch 3,1874.

* v @WM A'IENT OFFICE;

WILLIAM J. GORDON, OF PHILADELPHIA, PENNSYLVANIA.

IMPROVEMENT IN MACHINES FOR PLANING SHINGLES.

Specification forming part of Letters Patent No. 148,209, dated March 3, 1874; application filed January 6, 1874.

To all whom it may concern:

Be it known that I, WILLIAM J. GORDON, of the city and county of Philadelphia and the State of Pennsylvania, have invented a new and useful Improvement in Machines for Plan ing Shingles; and I do hereby declare the following to be a clear and exact description of I the nature thereof, sufficient to enable others skilled in the art to which my invention appertains to fully understand, make, and use the same, reference being had to the accompanyin g drawings making part of this specification, in which- Figure 1 is a side view of the device embodying my invention. Fig. 2 is an end view thereof. Fig. 3 is a central longitudinal section. Fig 4: is a top view. I

Similar letters of reference indicate corresponding parts in the several figures.

This invention relates to mechanism for planin g taper surfaces; and consists in a table having an oscillating motion for properly presenting the upper surface to the action of theplaner, a series of rollers and a planer journaled to the table, and a series of rollers and a planer journaled to the frame of the machine, whereby, while the surface is being planed, the taper will be preserved, the operation being performed regardless of the thickness of the material. It also consists in a feed applied to the swinging table. It also consists in means for elevating the table and permitting the lowering thereof. It also consists in a bar, removably connected to the feed, for permittin g the planing of long as well as short taper surfaces.

Referring to the drawings, A represents a frame for supporting the various working parts of the device. B represents a table, which extends longitudinally between the side pieces A of the frame A, and is jointed at one end, as at B, to said side pieces or a proper portion of the frame A, so that said table has a swinging motion. A series of transversely arranged rollers, C0, are journaled to the flanged sides of the table B, and to the same table is also journaled a rotary planer, D, the rollers and planer appearing or projecting just above the surface of the table. Above the table there are located a series of transversely-arranged rollers, G, whose axes are mounted on slotted bearings formed in uprights or extensions of the side pieces of the frame A, so that the up per rollers are permitted to rise and fall. H represents a longitudinally-arranged rotary planer, which is jonrnaled to a proper portion of the frame A, and located between two of the upper rollers. Each pair of rollers-that is, one upper and one lower roller-are geared to each other, and, by means of intermediate gearing, all of the rollers receive motion from the main wheel J. The planers D H receive rotarymotion in any suitable manner; but, in the present case, they are operated from the wheel J by pulleys a b, shaft 0, and bands cf, properly located. To the end of the table B, opposite to its axis, there are pivoted two vertically extending arms or levers, K, whose up-v per ends project above the face of the table, and their lower ends are joined by a bar, g. A tappet, L, projects inwardly from the bar g, and is adapted to come in contact with a cam,

M, which is secured to the shaft 0, and serves to move the levers in one direction, a spring, h, being connected to the levers K and a suitable portion of the frame A for moving the levers in the other direction, so that a swinging or oscillating motion is imparted to said I levers. N represents alever, which is arranged beneath the table B, and has its bearing shaft or axis hinged to the frame A. One end of this lever is adapted to be pressed against the.

table B by a weight or spring, P, applied to the other end, and the latter end is so located as to be struck by the cam M. A transverse bar, It, is removably connected to the upper ends of the levers K, and follows the motions of said upper ends longitudinally over the table.

The operation is as follows: Power being applied to the main wheel, the various rollers and planers receive suitable motion. At the same time oscillating motion is imparted to the arms or levers .K by the cam M in one direotion, and the spring h in the opposite direction. The rotation of the cam M elevates the inner end of the lever N, and thus lowers the outer end thereof. The weight or spring P has a reverse action on the lever N, so that the operation of the lever imparts a rising motion to, and permits a falling motion of, the table, the width of the table and upper rollers causing, and the portion of the cam M permitting, the lowering motion, both motions of the table being caused at the end opposite to its axis. The shingle or taper piece or board is placed butt to rear on the table, and when the latter is at its highest point, which is in a horizontal line, the upper ends of the lever K move inwardly, and the bar R pushes the timber toward the rollers; then the planing begins. The outer ends of the arm or lever N are now depressed by the action of the cam M, so that the table gradually lowers or drops, and the timber being pressed by the first upper roller, and held flat on the table, the same is gradually presented to the upper planer in a truly horizontal line, and caused to be planed throughout on its upper face without destroying the taper. The piece is then carried for ward to the underneath planer, and, being held by the upper rollers on or against the table, the under side of the timber is planed, the taper being preserved. Meanwhile the table is in position for the application of a fresh shingle or piece, the operation being the same as has been stated.

In order that the pressure on the timber may be uniform as its under side is being planed by the lower planer, the last two upper rollers are connected by a plate, (3, whose ends are jointed freely to the axes of the rollers, so that the plate rises and falls with said rollers, and takes up their pressure as the timber clears the middle pair of rollers, and is moving toward the last pair of rollers.

It will be seen that the rising and falling movements of the upper rollers in their slotted bearings permit planing of taper surfaces of varying thicknesses, and do not cause disengagement with the lower rollers, as compensation is made in the gearing to prevent the same.

By unshipping the bands 0 f, or throwing out of gear the parts which cause rotation of the shaft 0 on which the cam M is mounted, the movements of the levers K N are stopped. The bar P may then be removed, so that the free end of the table is clear, whereby longtaper boards may be planed, the proper depression of the table for causing the upper face of the board to be presented in a line at rightangles to the vertical line or axis of the cutter being imparted by the operator placing his feet on the lower connection, 9, of the levers K, and removing the same when the table is to be raised.

Having thus described my invention, What I claim as new, and desire to secure by Letters Patent, is-

1. The axial table B, with the lower rollers O and lower planer D, journaled thereto, in combination with the upper rollers G and fixed planer H journaled to the frame A, substantially as and for the purpose set forth.

2. The teedlevers K, hinged to the axial table B, in the manner and for the purpose set forth.

3. The lever N, in combination with the axial table B, applied and operating as set forth.

4. The bar R, removably connected to the feedinglevers K, in combination with the axial table B, substantially as and for the purpose set forth.

WILLIAM J. GORDON.

\Vitnesses:

GEORGE D. H001), JOHN A. Winnnasnnnr.

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