US88802A - Improvement in wheelwright-machines - Google Patents

Description

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Letters Patent No. 88,802, dated April 13, 1869.

IMPROVEMENT IN wHnELwRIGHT-MACHINES.

The Schedule referred to in thesev Letters Patent and making part oi the same.

To all whom it may concern: I

Be it known that I, JAMES OCONNOR, of J aekson, in the county of Cape Girardeau, andState of Missouri, have invented certain new and useful Improvements in Wheelwright-Machines; and I do hereby declare the following to:-be a full, clear, and exact description thereof, sueient to enable those skilled'in the art to which my invention appertains, to fully understand and use the same, reference being had to the accompanying drawings, forming part of this specicaf tion, and in which- Figure l is an inverted plan of my machine;

Eigure 2, a top view of the same; and

Figure 3, a side elevation.

My improvements relate to that class of wheelwm'ghtmachines which is used for boring the felloes and tenoning the spokes. y

The object of this invention is to do away with the common brace in the manufacture of carriage and wagon-wheels, whereby double the amount of work is accomplished, and more accurately than can be done with the ordinary braceand bit, while the labor of the workman is made lighter.

My invention consists in the construction and arrangement of parts, as hereinafter fully described.

Similar letters indicate corresponding parts in the several figures of the accompanying drawings.

In the drawings- A A represent the parallel side pieces of the main frame; and

B B', the cross-piecesof the same, situated at the opposite ends of the frame.

C is a central cross-beam.

This frame, composed of the longitudinal and transverse beams, is supported upon suitable supports D.

E represents a carriage, or bed, fitted to slide a limited distance back and forth between the side pieces of the main frame.

The ways on which this carriage moves, are clearly shown in iig. 1, at F F.

These are simply rods, or bars extending between vthe cross-pieces B G, and fixed in the same.

G are brackets, affixed to the under side of the carriage E, and perforated so as to iit ou to the ways F F.

This carriage Ais moved forward by means of a treadle, H, situated below, and connected with the carriage by a cord, I, which passes overa pulley, J, journalled in the cross-beam C.

The fnlcrum of the lever H is at a, the lower end of a piece, K, extending downward from one side of the frame.

' L represent springs interposed between some part of the sliding carriage and the cross-piece C.

When the carriage is moved forward by the depression of the treadle, these springs -L are compressed,

and when the said treadle is released from pressure,

the expansion of the springs L immediately causes the return of the carriage to its former position.

Upon the carriage E are mounted two shafts M N, which have their bearings in projections, or brackets bb.

M is the driving-shaft, to which power may be applied in any suitablemanner, and which is connected by gearing with shaft N.

This latter is provided with a socket, O, adapted to receive and hold a detachable bit.

For boring, an ordinary bit may be employed, but when tenoning spokes, a hollow, or tenoning-auger is substituted for the boring-tool.

The felloe is placed on a removable platform, P, and clamped between fixed blocks c, and adjustable clamps d. l

Thislplatform P is intended to rest upon screws adjustable in the side pieces A A of the frame, so as to provide for felloes of differentthicknesses.

The platform is fitted between the cross-piece O and screws e e.

Q represents aA rectangular frame, fitted between the side pieces A A and cross-pieces B O of the main frame.

On the upper side'of this frame Q, two pieces R S are hired, which project at the sides, and resting upon the beams A, support said frame Q.

The piece R has a deep V-shaped notch f.

The frame Q is provided with a removable bottom, T, adjustable vertically on the screw-rods U and supported at the desired point by screw-nuts V V.

The carriage Q is moved back and forth by means of a screw, W, which'is swivelled to the carriage, and works through the cross-piece B.

This screw is provided with a handle/w.`

X represents a guide applied to one of the supports or" the frame A, and enclosing the free end of the treadle. Operation.

The felloe is adjusted and clamped in lplace, and then by depressing the treadle, the bit is brought into contact with said felloe.

Now by continuing the pressure upon the treadle, and at the same time rotating the shaft carrying the bit, a hole is rapidly formed in or through the felloe.

The latter may now be adjusted and the'operation of boring repeated.

The boring-bit is now removed, and-a hollow auger substituted in its place.

The hub having the spokes xed in it, is placed on the carriage Q, and there clamped in any suitable manner. l

The outer ends of `the spokes are then tenoned by the hollow auger, which is operated as'before.

, The `carriage Q is provided with a movable'bottom, and it is made adjustable longitudinally, to provide for hubs and spokes of dierent sizes.

Constructed as above described, asimple, durable, and eective machine is produced, the advantages of which will be readily appreciated by those accustomed to the ordinary Inode of making wheels'.

Having thus described my invention,

What I claim as new, and desire'to secure by ters Patent, is-

1. The frame Q, having the top Rf, and the adjustable bottom, and moved by means of the screw W, all constructed, arranged, and operating as herein set forth, for holding the hub.

2. The described arrangement upon the frame A B B' O of the carriage E, with the boring and tenoniug- Letmachinery, the -Ways F, springs L, treadle-lever H, connecting-cord I, and pulley J, the removable adjustable platform, With the holdingdevices c al,- and the frame Q, with its topR f, adjustable obottom T and swivelled screw W, all operating substantially as herein set forth for the purpose speciiied.

To the above specification of my invention, I have signed my name, this 2d day of J anuary, 1869.

' JAMES OOONNOR. Witnesses:

NATHAN O. HARRISON, H. L. CALDWELL.

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