US812040A - Rail-bond for steam and electric railways. - Google Patents

Rail-bond for steam and electric railways. Download PDF

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Publication number
US812040A
US812040A US23253904A US1904232539A US812040A US 812040 A US812040 A US 812040A US 23253904 A US23253904 A US 23253904A US 1904232539 A US1904232539 A US 1904232539A US 812040 A US812040 A US 812040A
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Prior art keywords
rail
bond
steam
electric railways
sleeves
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US23253904A
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Frank C Hoffman
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
    • B60M5/00—Arrangements along running rails or at joints thereof for current conduction or insulation, e.g. safety devices for reducing earth currents
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/70—Interfitted members
    • Y10T403/7047—Radially interposed shim or bushing

Definitions

  • This invention relates to rail bonds for steam and electric railways.
  • the objects of the invention are to improve and simplify the construction of such devices; furthermore, to increase their efficiency in operation.
  • Figure 1 is a per spective view of a rail-bond constructed in accordance with the present invention.
  • Fig. 2 is a perspective view of a split sleeve having curved overlap ing edges.
  • Fig. 3 is a similar view of a sp it sleeve having straight overlapping edges.
  • Fig. 4 is a transverse section through the rail-joint.
  • the reference-numerals 1 and 2 indicate rail ends, which are connected, by means of the fish-plates 3, in the usual manner.
  • the bond-wire 4 has its ends fitted into tapered openings 4: of the Web portions of the two rails, as shown, and a split sleeve, such as 5, having cut-away overlapping edges 6 and preferably being tapered in form, is fitted around the bond-wire and is driven into the rail-webs to conform to the configuration of the tapered openings therein.
  • a split sleeve such as 5, having cut-away overlapping edges 6 and preferably being tapered in form
  • the overlapping edges 6 thereof may be either curved, as shown in Fig. 2, or straight, as shown in Fig. 3.
  • a rail-bond comprising rail-sections having the webs of their meeting ends provided with tapered openings therein, split sleeves having cut-away overlapping edges mounted in said openings, a wire havin angular bent ends, said ends passing throug said sleeves, and said sleeves serving to be forced or driven into said openings to tightly embrace the in closed ends of the wire which action also permits of said sleeves being capable of conforming to the configuration of said tapered openings in said webs, substantially as specified.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Garments (AREA)

Description

No. 812,040. PATENTED FEB. 6, 1906.
F. 0. HOFFMAN. RAIL BOND FOR STEAM AND ELECTRIC RAILWAYS.
APPLICATION FILED NOV. 12,1904.
arbor/mu UNITED srArns PATENT ()FFIUE.
FRANK O. HOFFMAN, OF SOMERVILLE, NEW JERSEY.
RAIL-BUND FOR STEAM AND ELECTRIC RAILWAYS.
Specification of Letters Patent.
Patented Feb. 6, 1906.
Application filed November 12, 1904. Serial No. 232,539.
To a/ZZ whom it may concern:
Be it known that I, FRANK C. HOFFMAN, a citizen of the United States, residing at Somerville, in the county of Somerset and State of New Jersey, have invented new and useful Improvements in Rail-Bonds for Steam and Electric Railways, of which the following is a specification.
This invention relates to rail bonds for steam and electric railways.
The objects of the invention are to improve and simplify the construction of such devices; furthermore, to increase their efficiency in operation.
With the foregoing and other objects in view, which will appear as the description proceeds, the invention resides in the precise combination and arrangement of parts and in the exact details of construction hereinafter described and claimed as a practical embodiment thereof.
In the accompanying drawings, forming part of this specification, Figure 1 is a per spective view of a rail-bond constructed in accordance with the present invention. Fig. 2 is a perspective view of a split sleeve having curved overlap ing edges. Fig. 3 is a similar view of a sp it sleeve having straight overlapping edges. Fig. 4 is a transverse section through the rail-joint.
Like reference numerals indicate corresponding parts in the different views.
The reference-numerals 1 and 2 indicate rail ends, which are connected, by means of the fish-plates 3, in the usual manner. The bond-wire 4 has its ends fitted into tapered openings 4: of the Web portions of the two rails, as shown, and a split sleeve, such as 5, having cut-away overlapping edges 6 and preferably being tapered in form, is fitted around the bond-wire and is driven into the rail-webs to conform to the configuration of the tapered openings therein. As each of the split sleeves 5 is driven into the rail it rolls tightly around the bond-wire, this rolling action being facilitated by the inclined or cut-away edges of the sleeves, which slide freely upon each other. In this manner a firm, uniform, and waterproof joint between the bond-wire and the rail is produced.
In manufacturing the improved split sleeves the overlapping edges 6 thereof may be either curved, as shown in Fig. 2, or straight, as shown in Fig. 3.
I am aware that s lit sleeves or bushings have been employed eretofore in connection with rail-bonds, and I do not claim the use of a split sleeve broadly. I am not aware, however, that a split sleeve having overlapping edges for the purpose specified has been employed, and my invention resides in this particular construction.
Having thus described the invention, what is claimed is A rail-bond comprising rail-sections having the webs of their meeting ends provided with tapered openings therein, split sleeves having cut-away overlapping edges mounted in said openings, a wire havin angular bent ends, said ends passing throug said sleeves, and said sleeves serving to be forced or driven into said openings to tightly embrace the in closed ends of the wire which action also permits of said sleeves being capable of conforming to the configuration of said tapered openings in said webs, substantially as specified.
In testimony whereof I afiix my signature in presence of two witnesses.
FRANK G. HOFFMAN.
Witnesses:
Ansrm Moons, WILLIAM D. BAUER
US23253904A 1904-11-12 1904-11-12 Rail-bond for steam and electric railways. Expired - Lifetime US812040A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US23253904A US812040A (en) 1904-11-12 1904-11-12 Rail-bond for steam and electric railways.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23253904A US812040A (en) 1904-11-12 1904-11-12 Rail-bond for steam and electric railways.

Publications (1)

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US812040A true US812040A (en) 1906-02-06

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