US33696A

US33696A - Improvement in railroad-rails

Info

Publication number: US33696A
Authority: US
Publication date: 1861-11-12
Anticipated expiration: 1878-11-12

Description

UNITED STATES PATENT Ormea.

LLOYD DAY AND MILTON DAY, OF CARROLL COUNTY, AND ANDRE\V MER- CER, OF RICHD., OF HOVARD COUNTY, MARYLAND.

IMPROVEMENT IN RAILROAD-RAILS.

Specification forming part of Letters Patent No. 33,696, dated November l2, 1861.

To all whom t may concern.-

Be it known that we, LLOYD DAY and MIL- TON DAY, of the county of Carroll, in the State of Maryland, and ANDREW MERCER, or RICHD.; of Howard county and State aforesaid, have invented a new and improved form of continuous railroad-rails, and a new method of combining a triangular bar with a chair or base bar for its reception by braces, supports, or fastenings; andk we do hereby declare that the following is a full, clear, and exact description of the construction and operation of the same, reference being had to the annexeddrawings, making a part of this specification, in which- Figure l represents a side elevation with the tread or triangular bar extending over the base; Fig'. 2, a top view of the said elevation; Fig. 3, a cross vertical section at the line X and X; Fig. 4, a cross-section of modification ot' our improved rail.

The nature of our invention consists in a new and improved form of continuous railroad-rail and a new method of combining a triangular bar with a chair or base bar for its reception by braces, supports, or fastenings.

To enable others skilled in the art to make and use our invention, we will proceed to describe its construction and operation.

W'e construct our improved rail with a chair or base bar the full length ot' the triangular bar formed with a base similar to that of the T-rail, with two wings parted from the center of any required thickness and leaning at equal angles from a perpendicular line, and leaving between them a trough or groove and somewhat resembling as they rise from the base the letter V, and a triangular bar with three treads or faces, each of which has a slight curve in such shape as to make a proper bearing for the car-wheels in ordinary use, which three treads or faces each are similar to the tread of the T-rail, and are brought together in equal angles, forming thereby a solid triangular bar with the corners curved shortly and the treads or faces curved slightly, as stated.

lVe make our rail any required length, the triangular bar to be twisted in forging, so that the ber of the iron will run around it once about every twelve inches to prevent flaking off, or forged straight, as may be desired. The rail is perforated with a set of longitudinallyoblong holes pierced from the center of the tread downward, making their appearance at the opposite corner of the triangular bar; and the chair or base bar has a corresponding set of holes, also pierced downward and making their appearance under the bottom thereof. The said holes are elongated more at their entrance in the triangular bar, so as to receive braces, supports, or fastenings with heads to t, which braces, supports, or fastenings are driven through the triangular bar or chair or base bar, making their appearance under the bottom of the chair or base bar between the cross-ties, and the said braces, supports, or fastenings are pierced under the bottom of the chair or base bar in such manner as to receive a key tightly driven in and then so twisted as to prevent it from working out, as represented in Fig. 3, binding the triangular bar and chair or base bar firmly together, thus forming the continuous rail, as represented in Fig. l, the chair or base bar being rst put down upon the cross-ties, the ends thereof being met and secured by any of the known appliances used for similar purposes. We then put the triangular bar down so as to fill the trough or groove, which is shaped to correspond with and elnbrace two sides of the triangular bar and extend it over half of two chairs or base bars, as also represented in Fig. l, and the chairs or base bars likewise each receive the half ot' two triangular bars, and when in this manner bound together with the aforenamed braces, supports, or fastenings forms a continuous, firm, and even rail, as represented in Fig. 2; and to reverse or revolve the triangular bar to give a smoother bearing tothe wheels when desired, it should be pierced with alternate sets of holespierced from each face of the triangular bar, as before described, instead of but one set, the chair or base bar being likewise pierced to correspond with such alternates, and the alternate holes in the triangular bar are filled with plugs made the exact form of the braces, supports, or fastenings, cut off smoothly and evenly wit-h the corner of the triangular bar, the heads of which plugs will always be downward and will consequently be confined by one or the other wing of the chair or base bar, and in case of reversing or revolving the triangular bar the said plugs are to be removed A new and improved `['Orm Of continuons railroad-rail and a new method Of combining; the triangular bar with the ehair Or base bar 'for its reception, with braces, supports, Or fastenings, substantially as described.

September 28, 1861.

LLOYD DAY. MILTON DAY. ANDREWV MERCER, OF RIO/HD.

Attest.:

JOHN S. I-IOLLINGSHEAD, BAKER W. JOHNSON.