Improvement in Animal-Traps. Page: 2 of 2
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UNITED STATES PATENT OFFICE.
JOHN WV. DE VILBISS, JR., OF SAN ANTONIO, TEXAS.
IMPROVEMENT IN ANIMAL-TRAPS.
Specilication forming part of Letters Patent No. 141,427, dated March 10, 1874 i application filed
January 12, 1874,To all whom it may concern:
Be it known that I, JoHN W. DE VILEISS,
Jr., of San Antonio, in the county of Bexar and
State of Texas, have invented certain new and
useful Improvements in Animal-Trap; and I
do hereby declare that the following is a full,
clear, and exact description thereof, reference
being had to the accompanying drawings and
to the letters of reference marked thereou,
which form a part of this specification.
The nature of my invention consists in the
construction and arrangement of an animal-
trap, as will be hereinafter more fully set forth.
In order to enable others skilled in the art
to which my invention appertains to make and
use the same, I will now proceed to describe
its construction and operation, referring to the
annexed drawing, which represents a longi-
tidinal section of my trap.
A represents a box made in rectangular
form, of any suitable dimensions, and open at
both ends. B is a frame erected vertically in
the center of the box A and rising above the
same to a suitable height. In this frame is a
beam, C, placed parallel with nid above the
box A, and movable up and down in the frame.
The beam is, in the center, provided with a ver-
tical rod, a, passing through the cross-bars in
the frame, above and below the beam C. This
rod guides the bean vertically in its move-
meant, and prevents it from being moved end-
wise. At each end of the beam C is rigidly
attached a gate, D, which passes through a
slot in the top of the box, and these gates,
when the beam is down, close the ends of the
box A. The beam C is, at or near each end,
provided with a weight, E, embedded in the
beam, to cause it to fall suddenly of its own
weight. G represents the trigger, pivoted in
a slot in the top of the box A, on one side of
the frame B. The lower end of this trigger is
made in ring form, so as to take tp more room
in the box A, and yet not obstruct the light
through the box. b is a rod or bar hinged or
pivoted on top of the box At and the free end
of which is caught by the trgger G when the
trap is set. d is a cord or rope provided with
a ring, e, at one end. This ring is placed on
the rod b, and the end of the rod in the trig-
ger. The cord is then passed through a slot,f, in the beam C, and through a guide, h, ar-
ranged on the top of the frame B, and then
down on the other side, and attached to a pin,
mn, in a slot, i, near the Qther end of the beam.
By lengthening and shortening the cord c, by
turning the pin m, the height at which the
beam C is to be elevated, and consequently
the distance at which the gates are raised, is
easily regulated.
The trap being set, as above described, and
as shown in the drawing, the animal enters
the box A at one end, and is attracted by the
light from the other end. As soon as the ani-
mal touches the trigger G the rod b is released,
allowing the ring e to slip oftl and the beam C,
with the gates, drops suddenly, shutting the
animal in the box.
Though this trap may be used for catching
various animals, I have especially designed it
for catching the gopher or salamander. For
catching this animal a place is dug in the
ground, so that the end of the box farthest
from the trigger may be set close to the hole
of tihe animal. In coming out, the animal en-
ters this end of the box and goes toward the
light at the other end, and is caught as above
mentioned, thus catching the animal without
bait, simply by the light.
Having thus fully described my invention,
what I claim as new, and desire to secure by
Letters Patent, is-
1. The combination of the beam C, cord 4,
ring e, rod b, and trigger G, constructed and
arranged substantially as and for the purposes
herein set forth.
2. The regulating-pin qm, in combination with
the beam C and cord I, for the purposes here-
in set forth.
3. The open-ended box A, frame B, weighted
beam C, gates D, trigger G, rod b, ring e, and
cord d, all constructed and combined, substan-
tially as and for the purposes herein set forth.
In testimony that I claim the foregoing as
my own I affix my signature in the presence
of two witnesses.
JOHN W. DE VILBISS, JR.
Witnesses :
W1. MACCORbLdE,
Win1. IV. GAAumLE,
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De Vilbiss, John W., Jr. Improvement in Animal-Traps., patent, March 10, 1874; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth166944/m1/2/: accessed June 21, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.