IMPROVEMENTS IN . NUT-Locks.
Year: 1882

page_text: LETTERS PATENT to Chester Ammen Snow of Washington in the District of
Columbia United States of America, for an Invention of IMPROVEMENTS IN
. NUT-Locks. A communication from Leonidas Triplett, Junior, of Mt Jackson
in the County of Shenandoah and State of Virginia United States of America
COMPLETE SPECIFICATION filed by the said Chester Ammen Snow at the
Office of the Commissioners of Patents on the 19th September 1882.
CHESTER AMMEN SNOW, of Washington, D.C., U.S.A., IMPROVEMENTS IN
NUT LOCKS a communication from Leonidas Triplett, Jr., of Mount Jackson in
the County of Shenandoah and State of Virginia, United States of America,
Figure 1 is a perspective view of my improved nut-lock; Fig. 2 is a horizontal
sectional view; and Fig. 3 is a perspective view of the lock-plate or washer
detached. Corresponding parts in the several figures are denoted by like letters of
reference.
This invention relates to nut-locks; and it consists in certain improvements in
the construction of the same, which will be hereinafter fully described and
particularly pointed out in the claim.
In the drawings hereto annexed, A represents the face-plate through which
projects the bolt, B, to which my improved nut-locking device is to be attached.
Said face-plate may be the fish-plate of a rail-road joint, or it may be a part of any
machinery or mechanism to which my invention is capable of being applied. C is
a plate or washer which may be square or of any other suitable shape; said plate
has a central perforation or bolt-hole D, around which it is provided, on its under
side, with a re-inforce, E, which may be integral with said plate or washer, or it
may consist of a separate plate secured thereto by solder or otherwise. The plate
or washer C is provided on its under side with a pair of studs or spurs, F, projecting
downwardly from the re-inforced section E, and located on diametrically opposite
sides of the bolt-hole. The face-plate A is to be provided with grooves or
recesses, G, to receive the studs F; these grooves may however be omitted when

page_text: the said face-plate is of wood, as the screwing down of the nut will tend to force
said studs into the wood.
The operation of my invention will be readily understood from the foregoing
description taken in connection with the drawings hereto annexed. After placing
the lock-plate or washer in position, the nut, which is denoted by letter H, is
screwed down tightly, after which one or more of the corners of the lock-plate are
turned up against the sides of the nut, which is thus held firmly and securely in
position. The studs F are strengthened by the re-inforce E, which enables this
part of the device to resist such strain and wear as it may be exposed to; the
re-inforce on the other hand does not prevent the corners of the lock-plate from
being bent, with ease, in order to hold the nut.
I claim and desire to secure by Letters Patent
1. The berein-described lock-plate or washer C, having bolt-hole D, re-inforce E,
and studs or spurs F F; as and for the purpose set forth.
2nd. As an improvement in nut-locks, the combination with the plate A, having
grooves G and the bolt B of the lock-plate C, having bolt-hole D, re-inforce E and
studs F, and the nut H; as and for the purpose set forth.
In witness whereof, I, the said Chester-Ammen Snow, have hereunto set my
hand and seal this seventh day of September in the year of our Lord,
one thousand, eight hundred, and eighty-two.