Fishing – trapping – and vermin destroying – Traps – Impaling or smiting
Patent
1987-10-22
1989-08-01
Rowan, Kurt
Fishing, trapping, and vermin destroying
Traps
Impaling or smiting
43 815, 43 82, A01M 2330
Patent
active
048522945
DESCRIPTION:
BRIEF SUMMARY
The invention consists of a strike trap for rodents, particularly mice and rats. Many proposed mouse and rat traps exist which attempt to kill the animals with a spring-loaded element which swings downward.
A common construction has a spring-loaded swivelling striker which is held in a loaded position by a swiveling strut whose free end can be loosely connected to a mobile bait holder. Such traps are difficult to load and can be sprung without the animal being in a central position in the impact zone. Further, the trap uses a complicated bait holder with only space for small bait. Another important disadvantage is that after such traps have been in use for a while, they exude repellent odors which makes them badly suited for their purpose.
The main object of this invention has therefor been to design a strike trap with improved use characteristics, particularly a trap which provides greater enticement and the certain extermination of the animal. A specific aim has been to construct a trap which can be used with animals of differing size and which can employ larger a bait than is usual. Another object was to design a trap which is easy to load and prepare prior to setting it out.
These objects have been met by this new invention which provides a trap with satisfactory use characteristics which can be maintained on a long-term basis. It can be manufactured from indestructible, odorless materials which cannot be attacked by external forces or exude unwanted, repellent odors which hamper its enticement effect.
The invention will be described in further detail with reference to the drawings, where:
FIG. 1 shows a vertical cross-section along a longitudinal plan of one embodiment of the invention, while
FIGS. 2, 3 and 4 show the front view, the back view and the top view of the trap, respectively.
The trap in the example has four main parts: A stand or support 11, a striker 12, a spring 13 and a release lever 14. Each of these parts and the linkage between them will be described below.
The support or frame 11 has two parallel plate-shaped side walls 15 which tapers upwardly and rearwardly towards the top edge 16. These side walls are connected by a transverse wall 17 towards the back and a transverse support 19 with an upwards-facing strike face 20 at the bottom at the front edge 21. The transverse support 19 extends into the base plate of the support 11 by a transverse plate 22. The purpose of this is to reduce the possibility of mispositioning the bait. At the top edge 16 along the front 21 there is a slot or groove 23 on each side wall 15 which runs obliquely downwardly towards the back from the top edge. The bottom of this groove can be rounded. It serves as a support for pivot pins 24 for the striker 12. This part of the design will now be described in more detail.
The transverse wall 17 at the back edge 18 has a notch 25 just in from the edge to hold the back end of the spring 13.
The striker 12 is mainly a U-shaped hoop with a strike pin 26 supported between two arms 27, each arm 27 having a pivot pin 24 on its free end. These are located in the groove 23 so that the strike pin 26 can swivel from an upper, loaded position to a lower position making firm contact with the animal's neck.
The arm 27 is shaped so that the strike pin 26 reaches just clears the strike face 20 on the transverse support 19, whilst it can pass through to the inside. The strike pin 26 and the strike face 20 will combine to kill an animal that enters the trap and releases the striker. The means of operation is as follows.
The striker 12 also has a transverse lug 28 which is supported by a short arm 29 on each side in such a way that the inner ends of the arms 29 are connected to their respective arms 27 by their respective pivot pins 24. The longitudinal axis for each arm 29 generally forms a right angle with the longitudinal axis of the adjoining arm 27. The transverse lug 28 forms a point of attachment or abutement for the spring 13 as outlined below.
On one side of the striker 12 opposite the arm 29 is positioned a protruding arm
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Pittenger James E.
Rowan Kurt
LandOfFree
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