Democratic Sentinel, Volume 19, Number 29, Rensselaer, Jasper County, 26 July 1895 — AN ELASTIC NUT. [ARTICLE+ILLUSTRATION]
AN ELASTIC NUT.
It Takes the Place of the So-Called Jam-Nut, or Lock-Nut. This Ingenious device is designed to do away with the necessity of putting two nuts on a bolt that Is to be kept tightly in place. The old plan was to put on one nut, and then another to keep the first one from unscrewing, the second nut being called the jamnut, or lock-nut. The elastic nut, however, locks itself. It is made from spring steel, being cut
from a bar and then bent Into a ring, the ends joining in a dovetail split. The ring Is then pressed into hexagon shape and tapped a trifle smaller than Its bolt, so that, when it is wrenched on, the split opens slightly, making a Qrm-and constant-hold on the bolt.
LOCKS ITSELF.
