1. Field of the Invention
This invention relates to animal traps and, more particularly, to animal traps with spring-activated jaws that release a trigger mechanism to kill the animal.
2. Description of the Related Art
Many homeowners are troubled by moles that dig holes and tunnels across their yards. Moles are especially hard to eradicate, because they live underground and are nocturnal. Their tunnels run circuitously across the yard approximately 6 to 12 inches in depth and 4 to six inches in diameter. The mole will dig air holes every 6 to 10 feet along a tunnel. The path of the tunnel is determined by the hardness of the soil, the obstacles in the path, and the plant growth in the soil.
One common trap used to kill moles, shown and described in U.S. Pat. No. 5,307,587 (Zeiger et al.), comprises two u-shaped members, pivotally joined together to form two pairs of scissor-like jaws. A coil spring mounted on a shaft extending transversely between the two unshaped members forcibly closes the two pairs of jaws. Located vertically on the trap is a pivoting trigger arm connected at one end of one of the u-shaped members. The opposite end of the trigger arm engages a pivoting trigger plate. When the trigger arm is engaged on the trigger plate, the trigger arm temporarily holds the u-shaped members in an opened or armed position. When a mole moves under or through the trap, the trigger arm is released, causing the jaws to automatically close around the animal.
In order for the trap to work properly, it must be positioned vertically in the mole's tunnel (see
Because these traps must be precisely placed into the tunnel in an armed state, most landowners will not use them. What is needed is an improved mole trap that is easier and safer for homeowners to use.
It is an object of the present invention to provide an improved spring-activated mole trap that is safe to use by homeowners or non-professionals.
It is a further object of the present invention to provide such a mole trap that enables the user to more accurately position the mole trap in the hole.
These and other objects are met by an improved spring-activated mole trap that includes a foot set bar to enable the user to use his or her foot to initially activate the trap, a limiting trigger bar that prevents the trap's jaws from snapping rearward and injuring the trapper's fingers while setting the trap or positioning the trap in the hole, a pair of handles that extend upward from the trap that enable the user to more accurately position the trap inside an existing hole or tunnel without disturbing the tunnel. The improved trap also includes a wider, re-aligned trip plate that is located closer to the soil to prevent a mole from burrowing under the trap, bypassing the clamping jaws, and thus escaping the trap.
In the accompanying
The mole trap 8 includes two u-shaped members 20, 30 pivotally joined together by a transversely aligned shaft 12. The first u-shaped member 20 is disposed inside the larger second u-shaped member 30. The ends of the shaft 12 extend through the members 20, 30 to hold them together.
Each first and second u-shaped members 20, 30 includes an upper arc section, 21, 31, respectively, and two forward extending legs 23, 25 and two rearward extending legs 33, 35, respectively. Each leg 23, 25, 33, 35 includes a serrated inside surface 24, 26 and 34, 36, respectively. The surfaces 24, 34, and 26, 36 face each other, thereby forming two parallel clamping jaws, generally referred to as 9, 10. The upper arc sections 21, 31 and the legs 24, 25 and 34, 35 are slightly offset in alignment so that the opposing clamping jaws 9, 10 open when the upper arc sections 21, 31 are aligned and registered. Aligned transversely between the two legs 23, 25 on the first u-shaped member 20 is a cross member 28 that supports the centrally located trigger 45. Aligned traversely between the two legs 33, 35 on the second u-shaped member 30 and opposite the cross member 28 is a second cross member 38 which acts as a contact surface for the coil spring 40.
Disposed around the shaft 12 is a coil spring 40. One leg 41 of the coil spring 40 extends downward and presses against the cross member 28 while the opposite leg 42 of the coil spring 40 extends downward and presses against a second cross member 38. During use, the coil spring 40 forces the legs 41, 42 inward thereby causing the two pairs of clamping jaws 9, 10 to close.
A safety latch 56 located centrally on the upper arc portion 31 is also provided, which is used to hold the first and second unshaped members 20, 30 in an aligned position, and to open clamping jaws 9 and 10.
Pivotally attached to the upper arc portion 31 of the second u-shaped member 30 is a trigger rod 52. The trigger rod 52 includes an eyelet 53, which surrounds the member 30 and enables the trigger rod 52 to rotate freely therearound. The trigger rod 52 has a sufficient length so that the tip of the trigger rod 52 touches the upper trigger plate 46 located on the improved trigger mechanism 45 discussed further below. Formed on the distal end of the upper trigger plate 46 is an upward extending lip 49 which, when the mole trap 8 is armed, is engaged by the trigger rod 52.
During normal use, the upper arc sections 21, 31 of the first and second unshaped members 20, 30, respectively, are manually forced together into an aligned position, and the clamping jaws 9, 10 are opened. The safety latch 56 is then used to hold the two u-shaped are members 21, 31 in an aligned position to open the two pairs of clamping jaws 9, 10. The trigger rod support plate 44 is then rotated on the cross member 28 so that the tip of the trigger rod 52 engages the extending lip 49. The mole trap 8 may then be positioned vertically in the mole's tunnel 90, shown in FIG. 2.
The first improvement to the mole trap 8 includes the limiting means for the trigger rod 52 that prevents the trigger rod 52 from snapping rearward and injuring the trapper's fingers while arming or setting the mole trap 8. The limiting means for the trigger rod 52 is a u-shaped member 60 attached to the upper arc 31 of the second u-shaped member 30. The u-shaped member 60 extends forward and prevents the trigger rod 52 from rotating upward more than approximately 45 degrees, thus protecting the trapper's hands and fingers placed on the member 30 if the safety latch 56 and the trigger rod 52 are accidentally released.
The second improvement is a pair of handles 70, 80 that extend upward from opposite sides of the mole trap 8. During use, the handles 70, 80 enable the mole trap 8 to be held safely with two hands. The handles 70, 80 are longitudinally aligned with the second u-shaped member 30 so that the mole trap 8 may be held vertically, and forced into the tunnel 90 as shown in FIG. 2. The handles 70, 80 also have sufficient length so that if the mole trap 8 is accidentally activated, the trapper's hands and fingers will not be injured. In the embodiment shown in
The third embodiment of the mole trap 8 includes an improved trigger mechanism 45 designed to prevent the mole from moving under or around the mole trap 8, bypassing activating the mole trap 8 when placed it inside the tunnel 90. The improved trigger mechanism 45 includes a z-shaped plate 46 with an upper trigger plate 46 and a lower trigger plate 47. As shown in
The fourth improvement is shown in
During use, the trapper selects an improved mole trap 8 and places it on a firm surface so that the first u-shaped member 20 extends upward and above the second u-shaped member 30. The foot bar 100 is then selected and used to activate the trap 8. The trigger rod 52 is then positioned to engage the trigger plate 48, and the safety latch 56 is then used to hold the arc portions 21, 31 of the u-shaped members 20, 30, respectively, together. The user may lift his foot 96 and remove the foot bar 100.
Next, the trapper selects an air hole made by the mole. The top layer of dirt around the air hole may be removed to provide access to the tunnel 90. The trapper then grabs the two handles 70, 80 with both hands and positions the trap 8 vertically so that the clamping jaws 9, 10 are facing downward, then forces it firmly downward into the soil. Because the sides of the tunnel 90 must not be disturbed, considerable force must used to force the mole trap 8 into the tunnel 90. The mole trap 8 must be vertically and centrally aligned inside the tunnel 90 so that a mole moving longitudinally inside the tunnel 90 passes between the two clamping jaws 9, 10 transversely aligned in the tunnel 90. Small rocks may be placed in the sides of the tunnel 90 and under the trigger plate 48 to discourage the mole from detecting and digging around or under the mole trap 8. Once properly positioned inside the tunnel 90, the safety latch 56 is removed, and the mole trap 8 is now ready to operate.
In compliance with the statute, the invention, described herein, has been described in language more or less specific as to structural features. It should be understood, however, the invention is not limited to the specific features shown, since the means and construction shown comprise only the preferred embodiments for putting the invention into effect. The invention is, therefore, claimed in any of its forms or modifications within the legitimate and valid scope of the amended claims, appropriately interpreted in accordance with the doctrine of equivalents.
This is a utility patent application based on a provisional patent application (Ser. No. 60/172,054) filed on Dec. 23, 1999.
Number | Name | Date | Kind |
---|---|---|---|
69878 | Westcott | Oct 1867 | A |
81023 | Smith | Aug 1868 | A |
92823 | Harwood | Jul 1869 | A |
109035 | Merriman et al. | Nov 1870 | A |
280811 | Gilleland et al. | Jul 1883 | A |
288225 | Gilleland | Nov 1883 | A |
472038 | Durston | Apr 1892 | A |
615851 | Hooker | Dec 1898 | A |
1256339 | Lindquist | Feb 1918 | A |
1296407 | Layton | Mar 1919 | A |
1382298 | Lonk | Jun 1921 | A |
1385024 | Russell | Jul 1921 | A |
1557043 | Graham | Oct 1925 | A |
1729976 | Wyman | Oct 1929 | A |
1924241 | Hassler | Aug 1933 | A |
2432723 | Carpenter | Dec 1947 | A |
2446078 | Churchill | Jul 1948 | A |
2525383 | Troutman | Oct 1950 | A |
3800463 | Treadwell | Apr 1974 | A |
3896581 | Gabry | Jul 1975 | A |
4245424 | Smith | Jan 1981 | A |
4439946 | Altier | Apr 1984 | A |
4765087 | Holtgrefe, Sr. | Aug 1988 | A |
4776128 | Townsend | Oct 1988 | A |
5307587 | Zeiger et al. | May 1994 | A |
6038809 | Dittrick | Mar 2000 | A |
6101761 | Sprick | Aug 2000 | A |
Number | Date | Country |
---|---|---|
3101182 | Nov 1981 | DE |
2726736 | May 1996 | FR |
Number | Date | Country | |
---|---|---|---|
20040025411 A1 | Feb 2004 | US |
Number | Date | Country | |
---|---|---|---|
60172054 | Dec 1999 | US |