Spring Hinge. Page: 2 of 2
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UNITED STATES PATENT OFFICE.
JESSE W. PIERCE, OF BELTON, TEXAS.
SPRING-HINGE.
SPECIFICATION forming part of Letters Patent No. 409,371, dated August 20, 1889.
Application filed May 31, 1889, Serial No, 312,739. (No model.)To all whoZ it m ay concern:
Be it known that I, JESSE W. PIERCE, a citi-
zen of the United States, residing at Belton,
in the county of Bell and State of Texas, have
invented a new and useful Spring-Hinge, of
which the following is a specification.
The invention relates to improvements in
spring-hinges.
The object of the present invention is to
provide a spring-hinge of simple and inex-
pensive construction, in which the tension of
the spring may be regulated, and in which the
spring may be entirely removed from the
hinge when desired.
The invention consists in the construction
and novel combination and arrangement of
parts, hereinafter fully described, illustrated
in the accompanying drawings, and pointed
out in the claims hereto appended.
In the drawings, Figure 1 is a perspective
view of a hinge embodying the invention.
Fig. 2 is a side elevation, and Fig. 3 is a lon-
gitudinal sectional view.
Referring to the accompanying drawings, A
designates a hinge composed of a long leaf a
and a short one a', which are connected to-
gether by a pintle a2. Theleaf a is provided
with a cylindrical casing B, which is prefera-
bly formed integral with the leaf and in-
closes a spiral spring C. The spring C has
its bearing against the rear side of said cas-
ing, which is provided with an opening b,
through which passes the end of a rod D,
which has an adjustable collar E. The ad-
justable collar may be moved along the rod
D to diminish or increase the tension of the
spring C, and it is provided with a set-screw
e to engage the rod and prevent the collar
slipping.
The front of the rod D has a curved por-tion d, the end of which is provided with trun-
nions d', that engage projections ac formed
integral with the leaf a'. The projections a,
are curved toward the leaf a and form re-
cesses a' in their sides, which serve as bear- 45
ings for the trunnions d' of the rod D. By
this construction the rod may be withdrawn
from the bearings a4 and turned upon its
side and removed from the casing. The spring
may then be taken out of the casing, and the 50
hinge is adapted for ordinary use.
From the foregoing description and the ac-
companying drawings the construction, op-
eration, and advantages of the invention will
readily be understood. 55
What I claim is-
1. The combination of a hinge having one
of its leaves provided with a casing and the
other with projections a', a spring arranged
within the casing, and the rod passing through 6o
the casing and engaging the spring and hav-
ing trunnions at its ends removably engaging
the said projections, substantially as de-
scribed.
2. The combination of a hinge having one 65
of its leaves provided with a casing and the
other provided with curved projections, the
spring arranged in the casing, and the rod
engaging said spring and having the curved
portion provided with trunnions engaging 70
the said projections, substantially as de-
scribed.
In testimony that I claim the foregoing as
my own I have hereto affixed my signature in
presence of two witnesses.
JESSE W. PIERCE.
Witnesses:
JOHN I. SIGGERS,
E. G. SIGGERS.
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Pierce, Jesse W. Spring Hinge., patent, August 20, 1889; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth172128/m1/2/: accessed June 27, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.