Nut Lock. Page: 3 of 3
This patent is part of the collection entitled: Texas Patents and was provided to The Portal to Texas History by the UNT Libraries Government Documents Department.
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310,985
grooves e, a special tool may be needed to hold
the roller between the nuts until caught by
the said grooves; but byproviding the grooves
e' (shown in Fig. 8) the nut J' may be screwed
5 nearly to place, and the roller then inserted
through the groove c'.
This nut-lock is simple and sure in its op-
eration, and is adapted for application upon
bolts in any place where bolts are required, and
ro can bevaried in form as circumstances may re-
quire.
I do not limit myself to the particular forms
of -washers,rollers, or grooves shown, as the
same may be varied within the scope of my in-
15 vention.
IHaving thus described my invention, what
I claim as new, and desire to secure by Letters
Patent, is-
1. A nut-lock consisting of a friction-roller
20 for canting the nut, held between annt crewedI upon a bolt and another nut on the surface of
the object to be secured by the bolt, substan-
tially as shown and described.
2. A nut-lock consisting of a friction-roller
for canting the nut,held between a nut and an- 25
other nut or the object to be secured by a bolt,
and in an aperture in a washer between the said
nuts, or between the nut and the object to be se-
cured by the bolt,substantially as shown and
described. 30
3. The combination,with a bolt and its nut or
nuts, of a washer having an aperture, and of a
friction-roller for canting the nut, having a
slightly greater diameter than the thickness of
the washer, substantially as shown and de- 35
scribed, and for the purposes set forth.
JAMES A. CAMPBELL.
Witnesses:
TIIos. B. BOTTs,
WmAL AXER.
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Campbell, James A. Nut Lock., patent, January 20, 1885; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth170890/m1/3/?q=%22~1%22~1: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.