Fishing – trapping – and vermin destroying – Traps – Self-reset
Reexamination Certificate
1999-08-30
2001-05-15
Rowan, Kurt (Department: 3643)
Fishing, trapping, and vermin destroying
Traps
Self-reset
Reexamination Certificate
active
06230434
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a new and useful improvement in an animal trap of the type disclosed in previous letters U.S. Pat. No. 1,758,952 dated May 20, 1930 and U.S. Pat. No. 2,433,913 dated Jan. 6, 1948.
These prior art traps were generally constructed from metal parts. Consequently the intricate mechanisms within these prior art traps were difficult to manufacture and assemble. Also, they required a metal weight for a counterbalance for the trip mechanism.
Therefore, a primary object of the present invention is the provision of an improved mouse or rodent trap and method for assembling same.
A further object of the present invention is the provision of an improved trap made of plastic rather than metal.
A further object of the invention is to provide an anti-backspin mechanism for preventing the trapped animal from exiting through the way the animal entered the trap.
A further object of the present invention is to provide an improved method for snapping together the parts of the trap for assembly.
A further object of the present invention is the provision of an improved trap which has a trigger mechanism constructed completely of plastic and which does not require a special metal weight for the counterbalance to the trip mechanism.
A further object of the present invention is the provision of an improved trap and method of assembling same which is economical, durable in use, and efficient in manufacture.
SUMMARY OF THE INVENTION
The foregoing objects may be achieved by an animal trap having a housing with exterior walls forming an enclosed compartment. The enclosed compartment is divided into an entrance compartment and a trap compartment. The housing includes an animal opening for providing access for an animal to enter into the entrance compartment.
Within the entrance compartment is a trigger member which is movable from a set position to a trigger position in response to being engaged by an animal within the entrance compartment.
A paddle is mounted for rotation within the enclosed compartment and a spring urges the paddle in a first rotational direction for engaging the animal and moving the animal from the entrance compartment to the trap compartment.
A latch mechanism is in a latched position engaging the paddle and preventing the paddle from moving in its first rotational direction. The latch mechanism is movable to a release position in response to the trigger member moving to its triggered position for releasing the paddle to rotate in its first direction to move the animal from the entrance compartment to the trap compartment.
An anti-backspin mechanism is provided for preventing the animal from escaping by rotating the paddle in a second rotational direction opposite from the first rotational direction. The anti-backspin device mechanism permits movement of the paddle in its first rotational direction.
According to one feature of the invention the anti-backspin mechanism comprises a first anti-backspin member which is a ratchet wheel having ratchet teeth and a second anti-backspin member comprising a spring pawl engaging one of the ratchet teeth.
REFERENCES:
patent: 1067909 (1913-07-01), Foisher
patent: 1214060 (1917-01-01), Mutz
patent: 1758952 (1930-05-01), Kness
patent: 2433913 (1948-01-01), Kness
patent: 2594182 (1952-04-01), Kness
patent: 2643480 (1953-06-01), Jones
Kness Mfg. Co., Inc.
Rowan Kurt
Zarley, McKee, Thomte , Vorhees & Sease
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