US290422A

US290422A - Tamping-bar

Info

Publication number: US290422A
Authority: US
Publication date: 1883-12-18
Anticipated expiration: 1900-12-18

Description

G. D. HAYDEN.

TAMPING BAR.

(No Model.)

3 8 8 1 00 1 0 Au D d Du t H nu t a P J F Fig,2.

a m m h UNITED STATES GEORGE D. HAYDEN, OF ALTON, ILLINOIS.

TAMPlNG-BAR.

SPECIFICATION forming part of Letters Patent No.

290,422, dated December 18, 1883,

Application filed September 26, 1883. (No model.)

To all whom it may concern/.-

Be it known that I, GEORGE D. HAYDEN, of Alton, in the county of Madison and State of Illinois, have invented acertain new and useful Improvement in Copper-Tipped Tamping-Bars, of which the following is a full, clear, and exact description, reference being had to the accompanying drawings, forming part of this specification, and in which Figure 1 is a side view of a taniping-bar, showing part of the handle. Fig. 3 is an end view of same; and Fig. 2 is a detail view, part in section, illustrating my improved manner of securing the tip to the bar.

Under the laws of the State of Illinois, and possibly other States, it is necessary to tip miners tamping-bars with five inches of copper to avoid danger of igniting the blast accidentally while tainping. To attach these tips in a cheap and durable manner is the object of my invention, a great amount of trouble and loss of time having been experienced by their breaking off, they having heretofore been attached by screwing the tip into the handle, or viceversa, and, moreover, the copper being soft, the threads upon it or in it would soon become worn, and the tip would be continually getting loose on the handle.

My invention consists in casting the tip around one end of a pin of Norway iron or other suitable metal, the other end of which is screw-threaded and fits into a socket in the end of the bar; or this end of the pin may be plain and merely slipped into the socket,

where it would be secured by atransverse key passing through a hole in the pin and bar. prefer to take a rod of Norway iron and thread it from end to end, and then cut it up into proper lengths, around one end of which the copper is cast and the other end screwed into the bar. \Vhcn the copper is cast around the pin, it shrinks and the pin is held perfectly rigid therein, and by having this end of the pin screw-threaded any and all possibility of the pin ever getting loose is avoided. Tips thus attached have given perfect satisfaction and are coming largely into use.

Referring to the drawings, A represents the bar, B the tip, and O the coupling-pin.

I claim as my invention- 1. In a tamping-bar, the tip removably secured thereto by a pin or rod, around which the tip is cast, substantially as set forth.

2. The combination of tainping-bar, tip, and connecting pin or rod, the tip being cast around the pin, and the pin being screw-threaded to enter 'a screw-threaded socket inthe bar, substantially as set forth.

The combination of the tamping-bar, having a screw-threaded socket in one end, copper tip, and pin, the pin being screw-threaded throughout its entire length, and the tip being cast on one end thereof, substantially as set forth.

GEO. D. HAYDEN.

In presence of GEo.'I-I. KNIGHT, EDW. E. ISRAEL.