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Патент USA US2408872

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8, 1946.
2,408,872
P. L. NEWBOLD
HOG TRAP
Filed Sept. 18, 1943
22 i7 43 47
F163
gnvenfor
2,408,872
Patented Oct. 8, 1945
UNITED STATES PATENT OFFICE
2,408,872 _
HOG TRAP
Park L. Newbold, Cedar Rapids, Iowa
Application September 18, 1943, Serial No. 502,995
3 Claims. (01. 119—-98)
1
This invention relates to a trap for catching
and holding hogs for ringing, castrating or other
purposes to which it may be adapted.
It is the object of my invention to provide a de
vice of simple and inexpensive construction that
2
at 33 by a twin turnbuckle arrangement 34 that
permits adjustments of the master holding mem
bers H—l2. The pedal 15 is held in any posi
tion desired by a ratchet member 35 held against
bolt 36 by spring 31 and. released by handle 38.
The‘master holding members ll-IZ are re
will catch and hold a hog without injury and with
turned to open position by withdrawing springs
minimum effort of the operator.
30 attached at 39 and 40. As a precaution against
Another object of my invention is to provide a
damage
to rope 14 by the hog’s hoofs as it proceeds
device that will permit the hog to pass freely
10 through the trap after being released a protect
through the trap after being released.
ing bar it! is engaged to the right master holding
Other and further features and objects of the
member l2 at 42 and passes freely through left
invention will be more apparent to those skilled
holding bar II at opening 43.
_
in the art upon a consideration of the accompany
Referring now again to Figure 3, the operating
ing drawing and following speci?cation, wherein
is disclosed a single exemplary embodiment of the 15 rope I3 is placed through the turnbuckle 34 and
knotted at the correct distance from each end.
invention, with the understanding, however, that
One end is placed over pulley 29, through large
such changes may be made therein as fall within
opening in right member I2 at 44 and engaged
the scope of the appended claims, without de
to left member H at 45. The other end of rope I3
parting from the spirit of the invention.
is placed over pulley 28 thence downward over
Figure l is a front view of my device in open 20
pulley 2? then through member l2 at 46 and en
position and showing the foot operating pedal in
gaged to left member I I at 41.
Rope I4’ is placed through the other turn
buckle at 34 and likewise knotted at the proper
distance from each end. One end is placed over
25 pulley 29, then through member l2 at M ‘thence
eral.
Figure 3 is a cutaway View, showing the operat
around pulley 26 and engaged to member I2 at
ing mechanism and illustrating in particular; the
4B. The other end of rope H5 is placed over pulley
location of the pulleys.
28 thence downward over pulley 21, through mem
Figure 4 is a side View of the right holding
ber
l2 at 46, around pulley 25 and engaged to
30
member showing the upper and lower positions of
member l2 at 49.
the openings through which the operating ropes
I have referred to l3 and 14 as operating ropes
pass.
and
preferably use this type of connection, how
Referring now to the drawing a preferred em
ever, it is understood that cables, chains, or other
bodiment of my invention includes a frame indi
place for downward movement.
,
Figure 2 is a front view showing the device in
closed position and the frame members in gen
may be used.
cated generally at H], trapping members |I--l2, 35 means
In use, as the hog’s head enters the space be
cooperating ropes I3—lli, and pedal E5.
tween the holding members, the operator pushes
The frame If! is composed of two horizontal
down on the pedal 15 which causes members
parallel lower members ll, two horizontal parallel
i l—l 2 to move toward and against the hog’s neck
upper members 18, diagonal upright converging
at equal speed and pressure. As the desired tight
side members 19, perpendicular upright members 40 ness is obtained, the ratchet arm member 35 holds
2!! and horizontal braces 2!. Members l'l-IS
the position securely and the operator proceeds
and I9 are secured together by bolts at 22.
with the. ringing or work being done.
The trapping element consists generally of two
To release the hog, the operator again pushes.
master members I l-l2 movable horizontally be
tween parallel upper and lower frame members 45 down on pedal l5 and grasps handle 38. This re
leases ratchet arm 35 from holding bolt 36 caus
I'l--l8, suspending blocks 23 and ascension stops
ing springs 39 to return members H-—l2 to open
24. The holding members H——i2 are shaped to
properly fit the hog’s neck and are operated by
the action of ropes |3—l4 placed over pulleys 25,
26, 21, 28, 29, withdrawing springs 30 and coop
erating pedal l5. The pedal 15 is engaged to the
lower frame member I‘! by a hinge 3| and ex
tends through a guide formed by an auxiliary
position, permitting the hog to pass through with
out injury.
The trap may be attached to a chute and be
come an integral part of it or it may be placed in
a door or runway, whichever is desired.
60 H
I claim as my invention:
1. In a hog trap, the combination of a pair of
diagonal frame member 32.
The ropes |3--l4 are engaged to the pedal I5 55 lower parallel horizontal frame members, a pair
2,408,872
of upper parallel horizontal frame members, a
left inwardly converging side member, a right in
wardly converging side member, a left perpen
dicular stationary attaching member with hori
zontal brace, a right perpendicular stationary at
taching member with horizontal brace, these ele
members, a safety protective rod attached to the
right master holding member adjacent to the
lower parallel frame members and extending hori
zontally through an opening in the left master
holding member; single pulleys supported be
tween the upper and lower horizontal frame
ments secured together by suitable means to form
members at the upper and lower frame center,
a frame unit, a pair of movablev master holding
twin pulleys at the right lower frame corner, two
members shaped to the contour of a hog’s neck
sets of twin pulleys adjacent to the upper right
and supported between the upper and lower hori 10 frame corner, a pedal attached to a lower hori
zontal frame members, a pedal secured to a lower
zontal frame member, a ratchet arm attached to
the pedal, ?exible connecting means attached to
horizontal frame member, a ratchet arm attached
the pedal and extending upward and over the
to the pedal, an auxiliary pedal guide member
twin sets of pulleys to a ?nal anchorage at the up
placed parallel to the right diagonal side member,
a bolt placed through the auxiliary and side mem 15 per and lower ends of the master holding mem
bers, and a withdrawing spring attached central
ber to engage the ratchet arm, ?exible connecting
ly to each master holding member and diagonal
means secured to the pedal, placed over and
side member, to effect movement of the master
around twin sets of pulleys adjacent to the upper
holding members toward and away from each
right frame corner, twin pulleys at the lower right
frame corner and single pulleys supported be 20 other in relation to the position of the pedal.
3. In a hog trap, a combination of a frame
tween the upper and lower horizontal frame
composed of upper and lower horizontal members
members at their centers and attached to the
and diagonal side members, two master perpen
movable master holding members so that a down
dicular holding members movable equally hori
ward movement of the pedal causes the 'master
zontally between the upper and lower horizontal
members to move toward the center at equal
frame members, a pedal attached to a lower hori
speed and pressure, a withdrawing spring en
zontal frame member, a ratchet arm engaged to
gaged to the left diagonal frame side member and
left master holding member midway between
the pedal, single pulleys supported between the
upper and lower horizontal frame members at
their upper and lower ends, and a withdrawing 30
the upper and lower frame center, twin pulleys
at the right lower frame corner, two sets of twin
pulleys adjacent to the upper right frame corner,
spring engaged to the right diagonal frame side
member and to the right master holding mem
ber midway between their upper and lower ends
for the purpose of returning the master holding
members to open position as controlled by the
?exible connecting means engaged to the pedal
and extending upward, thence over this arrange
ment of pulleys to a ?nal anchorage at the upper
pedal and ratchet arm.
and lower ends of the master holding members, a
2. In a hog trap, the combination of two lower
withdrawing spring attached centrally to each of
parallel members, two upper parallel members,
the right and left master holding members and
converging upright side members, an auxiliary
right guide member, perpendicular upright sta 40 its adjacent diagonal s'ide member, and a protect
ing bar engaged to one of the master holding
tionary attaching members with horizontal braces
secured together to form a frame, two master
members above and adjacent to the lower center
movable holding members supported between the
pulley and extending through the opposite master
upper and lower horizontal frame members, sus
member.
pending blocks attached to the top of the master
PARK L. NEWBOLD.
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