Apparatus for repelling birds or beasts

Ammunition and explosives – Miscellaneous

Patent

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Details

42106, 116 22A, 116 23, F41F 2700, G08B 314

Patent

active

047458593

ABSTRACT:
An apparatus for repelling birds or beasts by exploding gunpowder automatically and repeatedly to make explosive sounds. The apparatus comprises a housing, a body plate on which most of other parts of the apparatus are mounted, an electric motor, a disk-like gear mechanically connected to the electric motor via reduction gears, a gunpowder striking hammer and a driving link, respectively, rotatably secured to the body plate and being actuated by the rotation of the disk-like gear, a gunpowder supply plate driven by the driving link, a gunpowder band winding spool, a bottom plate for placing the gunpowder band, and a switch assembly operated by the rotation of disk-like gear and electrically connected with a timer, a dry cell battery, and the electric motor.

REFERENCES:
patent: 952018 (1910-03-01), Roeder
patent: 2836919 (1958-06-01), Du Bois
patent: 2920600 (1960-01-01), Hori et al.
patent: 2958150 (1960-11-01), Du Bois

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