US71722A - Edward a - Google Patents

Description

71112-2 Washer.'

' PATENTE@ if [nfl-ciales?l @Statics gratis getest ft'iret1 now-Ann A. nLLs'WonTH, on WASHINGTON, DISTRICT or COLUMBIA.

Letters'- Patem No. 71,722, dated December 8, 1867.

NUT-LOCK AND WASHER. l

TQ ALL WHOM IT MAY CONCERN:

Be it known that I, EDWARD A. ELLSWORTH, of the city and county of Washington, and District of Columbia, have invented a new and useful Improved Combined Nut-Loek and Washer; and I do hereby declare that the following is a full, clear, and exact description thereof', which will enable others skilled in the art to which Iny'invention appertains to make and use the same, reference being had to the accompanying drawing, forming a part'of this specification, in whichv Figure 1- is a perspective view of my improved nut-lock and washer,.showing it applied to a section of a bar of metalor wooden block, Y

f Figure 2 is a transverse vertical section of the same, taken in the line :v fc, iig. ll.

Figure 3 is a perspective View, showing the nut and washer applied to Aa holt, and having vits end turned down, for the purpose of securing it to the block or bar. 'd

Figures 4 and 5 are top plan vjews`of\the nut-lock and. washer removed from the bolt, showing means for 4raising the springend above the nut, whereby the latter is permitted to turn on thc bolt. i

Figures 6, 7, and 8,-are Amodifications of my invention, showing a slight change in theco'nstruction and application.

This inventionrelates to a combined nut-lock and washer, having for its object the more perfect securing of nuts upon bolts; and it consists in forming from a single piece of metal, a at plate, with one o r more of its ends or sides turned up, to form a spring-filling upon one or more edges of the nut; and in the combination of downward projections, one or more, with the nut-lock and washer, for the purpose of securing it in position upon the object to which-'it is applied, as will be hereinafter-*more fully shown and described. l 'el In the drawings, A represents the body or washer, and B the lock or spring, formed in one piece, by first cuttinfgl oir-.stamping the same from a bar or sheet of iron or steel or other proper metal, and then turning the end back upon itself, to form the spring. The latter is possessed of a certain amount of elasticity, so .that when lifted up or' raised by any proper means, to admit of the nut being tu'rned lin either direction, it will, when released, assume its fcrnfer position. 'aare ilangeso/r downward projections formed upon the body ofthe washer, upon one or more of its sides, and may be single points or flanges extending'thc entire length of the body, or provided with serrated edges. C is the holein the bodyY of the washer for the passage of the bolt, and may be made round"or square, or of 4any other proper form. When the square hole is used, or vany hole of unequal diameter, the Ishape of the bolt near the' screw-thread must be made to conform to such shape. In this case the downward projections upon the washer need not be iised, as the unequal diameters of the bolt and hole prevent the washer from turning upon the bolt. In practice, however, I preferto make the hole round, and to use the downward projections upon the washer. I

When it is desired tto lock the nut securely in position, the washer is placed over the end of the bolt, with its downwardprojections Ientering slight cavities, one or more, previously made in the article to which it is to` 1 be secured, or the flanges may be placed over one or more of its sides or edges, as in cases where the washer is'.

applied to a wagon-axle, spring, or other narrow strip of metal or wood. 4 The nut beingl ,placed over the bolt, and screwed down until ittcuches the free end or spring B of the lock,the latter is raised, by any suitable means, to admit'of the nut being set' securely down upon the washer, when the spring B is released, and its end rests against the edge of the nut below its upper surface, as shown at rZ-in figs. 1 and 3 of the drawings. The

power applied to the nut to turn it, must new press against the lock B in alongitudinalI direction, or nearly so, and therefore cannot operate to compress or force the spring to yield in either direction. It will thus be seen that a complete andunyielding nut-lock is obtained. Forconvenience in raising the end B, to allow of the nut being turned, I provide a slot, c, as shown .in iig. 4, through which a small rod of iron may be introduced, or a small piece is cut out from each side of the spring B, as shown .in iig. v5, for the purpose of grasping it more securely with a pair of tongs or other instrument. l3nt do not confine myself` to any particular configuration of the spring or washer. v

Fig. 6 shows a modification o my inventionyinwhich the spring or lock, B, is extended over the washer A, and provided also with a hole for/the passage of the bolt. The upper surface of the spring or lockis cut away' 1:0 form a shoulder, as seen at c, which fits against the lower edge ofthe nut, to prevent its turning. The body A and leek B are compressed when it is desired to turn thenut, so that the latter shall 'clear the shoulder e.

Figs. 'i' and: 8 are modifications of fig. l, showing, in the-former case, both ends, B and B', turned up, and in the latter ease, s'uch ends are connected by a thin pieee, f, upon which the nut rests when iuposition.

It will be seen that by the application of a spring, 'or by lmaking/the turned-up end of the washer elastic, the same may be applied to the ends of belts occupying a downward positionnas in ease of bridges, where the nut is secured upon the bolts from vthe under side of the timbers, and in all'maehinery where the nut is applied tothe bolt from the under side.

Having,r thus described my invention, what I claim as new, and desire te secure by Letters Paten t, is-

1. The springmut lock B, and washer A, constructed in one piece, substantially as described-for the purpose specified. o

2. One or more points or downward projections or flanges, a, in combination with the spring-nut lock and washer, substantially as described, for the purpose specified.

E.- A. ELLSWORTH.

Witnesses:

NATHAN K. ELLswonTn, L. HILL.

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