Fishing – trapping – and vermin destroying – Miscellaneous
Patent
1987-08-17
1988-04-19
Crosby, Gene P.
Fishing, trapping, and vermin destroying
Miscellaneous
A01M 3102
Patent
active
047380454
ABSTRACT:
The invention comprises a pair of vertically-opening door or panel members that are each hinged to a bracket member, and are attachable to the upper edge or rim of standard duck blind units, one on each side of the blind. Each panel includes a spring member extending generally perpendicularly across the hinge to the bracket, so that as the panels are closed horizontally over the blind, the spring is first stretched to a position of full extension, and is then slightly retracted, to enable the panel to stay in its down position. When the panels are contacted from below, as by a hunter standing erect within the blind, the panels are urged slightly upward, and the spring is thus stretched back into a position of full extension, and then past such full extension, causing the spring to then fully retract and move the panels about their hinges up and away from each other and the blind. After the hunter has fired, the panels can be manually returned to their down position, and the cycle repeated. The brackets are attached to the blind by an adjustable height support system comprising a universal clamp mechanism for secure attachment to the rim or lip of standard duck blinds, and a height-adjustable vertical support portion to enable selection of the height of the panels above the blind. This vertical support portion slidably engages the base of the brackets along a horizontal track, thereby enabling horizontal adjustment of the panels from the blind rim.
REFERENCES:
patent: 3848352 (1974-11-01), Sayles
patent: 3886678 (1975-06-01), Caccamo
patent: 4164089 (1979-08-01), George
patent: 4483090 (1984-11-01), Carper
Crosby Gene P.
Johnson Larry D.
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