Fishing – trapping – and vermin destroying – Traps – Electrocuting
Patent
1987-10-14
1990-08-21
Godici, Nicholas P.
Fishing, trapping, and vermin destroying
Traps
Electrocuting
43112, A01M 1900
Patent
active
049495003
DESCRIPTION:
BRIEF SUMMARY
The invention relates to an insect or vermin trap. In particular, the invention relates to a trap which lures and exterminates cockroaches.
The invention will be described by way of example with reference to its use as a cockroach trap but it should be appreciated that this is by way of example only and that the trap of the invention may be for the vermin and insects.
Research has shown that cockroaches have an affinity for warm, dark places and are attracted by the smell of organic material such as foodstuffs. In addition cockroaches sometimes seek out humid areas although their affinity for humidity is perhaps not as great as it is for dark warm areas.
Cockroaches are currently either trapped and/or exterminated in a variety of ways. Poisons have been used. Research has shown that cockroaches, like some other insects, may develop an immunity or tolerance to certain poisons. In addition cockroaches appear to have a survival mechanism which, if the inset suspects it is dying, causes the insect to lay eggs before its demise. Thus, whilst the mature cockroach may ultimately be killed it is usually able to produce hundreds of offspring before it is exterminated. Thus the cockroach population may in fact be increased where poisons are employed. In addition to this potentially dangerous chemicals need to be stored.
Cockroach traps are known. Some of these traps enable the cockroach to enter but not leave the environment of the trap. The trap needs to be periodically emptied and does not quickly and efficiently kill the cockroaches. In addition such traps sometimes include poisons to kill the insect once it enters the trap. Thus the trap may be passive and contain no poison or be an active trap with poison and have all the disadvantages associated with the use of poisons mentioned above.
Traps utilising high voltage grids or electrodes to kill insects are also known. Such traps are intended primarlily for flying insects and have open grid like electrodes surrounded by a safety grid or screen. These traps are unsuitable for cockroaches because by the very nature of their construction are substantially unenclosed and hence do not provide any darkened area. These traps usually have a lamp to attract the insects. The method of operation is such that insects are attracted to the light and whether or not they bridge the electrified grids is left to chance. Such traps, because they are not enclosed are dangerous because the grids are accessible.
It is an object of the invention to provide an improved vermin trap which alleviates or minimises the disadvantages mentioned above.
Accordingly, the invention provides a trap for exterminating insects, including a main housing, high voltage generating means within the housing for generating a voltage or sufficient magnitude for exterminating insects, entering the trap, two spaced electrodes within the main housing and in use being supplied with the high voltage generated by the generating means for exterminating insects, one or more entries into the housing within which the electrodes are located, insects which bridge the space between the electrodes and control means for providing controlled alternation between an on period for which the electrodes are supplied with the high voltage and an off period for which the electrodes are not supplied with the voltage.
The housing may be any convenient or suitable size and shape. The housing may have a prismatic shape such as square or rectangular. The housing may have a body portion and a lid or cover. The lid may be removable from the body portion and may be secured thereto in any suitable fashion. With the lid in place the space between the housing is relatively dark. Screw fasteners may be used to removably secure the lid to the body portion. The housing includes one or more entries through which cockroaches may enter the housing. The entries may comprise apertures in the body portion. The housing may be made of non-conducting material.
The generating means generates a voltage of sufficient magnitude to kill and/or disintegrate any
REFERENCES:
patent: 2191229 (1940-02-01), Ford
patent: 2229300 (1941-01-01), Montroy
patent: 2441499 (1948-05-01), Medlin
patent: 3468054 (1969-09-01), Levine
patent: 3815278 (1974-06-01), Beaton
patent: 3827176 (1974-08-01), Stirewalt
patent: 4165577 (1977-08-01), Shanahan et al.
patent: 4205480 (1980-06-01), Gartner
patent: 4497130 (1985-02-01), Fitzgerald
Godici Nicholas P.
Starkweather Michael William
Stone Lawrence V. M.
Van Mourik Robert C. J.
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