Fishing – trapping – and vermin destroying – Traps – Impaling or smiting
Patent
1976-11-15
1977-09-13
Mancene, Louis G.
Fishing, trapping, and vermin destroying
Traps
Impaling or smiting
A01M 2330
Patent
active
040473210
ABSTRACT:
There is provided an animal trap comprising a spiral spring which has a fixed inner end portion and a movable outer end portion and which is extendible to a stressed condition wherein the movable outer end portion of the spring is in engagement with support faces presented by the outer ends of two pivotally interconnected levers, these support faces being vertically above pivotal connections between the outer ends of the levers and links which are pivotally connected to a frame of the trap. With the spring in this stressed condition thereof a bait holder is disposed within the coils of the spring so that when an animal attempts operatively to gain access to bait on the bait holder the bait holder is tilted to contact either directly or indirectly one or both of the levers with resultant upward movement of the pivotal connection between the levers, the substantially vertically downward forces exerted by the outer end portion of the spring on the support faces causing the levers, when in this position, to pivot with a snap action to a position in which the support faces release the outer end portion of the spring as a result of the inward movement of these support faces. The animal in question is killed as the spring returns to its inert or out-of-use condition by the shearing action of the appropriate adjacent coils of the spring on the neck of the animal. Since with the spring in its stressed condition the spacing between the adjacent coils of the spring increases progressively from the fixed inner end portion to the outer end portion of the spring and since the distance between the coils of the spring and the bait holder likewise increases progressively from the fixed inner end portion to the outer end portion of the spring the trap can be used to kill in the same humane manner a variety of animals within a predetermined range of sizes.
REFERENCES:
patent: 1147822 (1915-07-01), Smith
patent: 2446687 (1948-08-01), Billings
Leach Daniel J.
Mancene Louis G.
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