US89908A - Improved car-wheel - Google Patents

Improved car-wheel Download PDF

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US89908A
US89908A US89908DA US89908A US 89908 A US89908 A US 89908A US 89908D A US89908D A US 89908DA US 89908 A US89908 A US 89908A
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wheel
paper
wheels
improved car
metal
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B17/00Wheels characterised by rail-engaging elements
    • B60B17/0003Wheel bodies characterised by use of non-metallic material

Description

11. 11. 111111311315 L. w. KIMBALL'.

GAR WHEEL;

'N0.89,908. Patented May 11, 1869.

-Inventor flaunt (attire.

R. s. ALLEN AND L.-'W. KIMBALL, or PITTSEORD, VERMONT, Ass'reuons'ro THEM- SELVES, WILLIAM H. MALLORY, am)- EDWIN L. BUTTERFIELD, on NEW YORK CITY.'

Letters Pwte'ntNo. 89,908, dated May 11, 1 869.

IMPROVED specification.

This invention relates to improvements in carwheels, designed to provide more durable and elastic wheels than any now in use. V It consists in the production of wheels composed of metal and paper, as hereinafter more fully specified.

The drawing represents a transverse sectional elevation of a car-wheel, constructed aocordin g to our improvement. I

Cast-metal wheels, made of both iron and steel, are found to be too rigid and unyielding to stand the shocks and jars to which they are subject, and last as long as required for economy, or to preserve the necessary ease and steadiness for the cars which they support.

To meet these difficulties, wheels have been made partly of wood and metal, also with Indiarubber packing between the body and the tire.

The wood filling is found to be very objectionable, in consequence of its variation in size by atmospheric changes.

We have found that wheels constructed partly of metal and partly of paper giveyery much better results, both as to elasticity and durability, the paper being solidifled by pressure and united in a mass by adhesive substances, as now commonly prepared for other uses.

be equally effective.

To this end, we construct car-wheels with shells A, of any preferred metal, and in any preferred form,with interior parts B of paper.

In this instance we have represented two metallic disks, or side-pieces G, a central tubular core, D, and

a tire, E, between which the paper part B is securely clamped by the bolts F, and to facilitate the tightenin g of the tire upon the paper part, we have made the face of the paper part conical, and shaped the interior of the tire correspondingly, so that the parts will wedge tightly together when the side-plates are clamped up to the tire and the paper part B.

We do not desire,..l1owever, to limit ourselves to any particular arrangement for the construction of these wheels, as various plans may be adopted which will It is not necessary, in carrying out our invention, to first make the paper into thin sheets, and 'then uniting the sheets to make the required thickness. It will answer a good purpose to form the pulp into a single mass of the required thickness, bypressing it altogether in moulds at once, and we contemplate this application.

Having thus described our invention, We claim as new, and desire to secure by Letters Patent Oar-wheels constructed of metal and paper, substantially as herein described.

The above specification of our invention, signed by us, this 8th day of March, 1869. I

' -R. N. ALLEN.

L. W. KIMBALL. Witnesses:

D. P. PEABODY, E. L. Bumps.

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