Patent ID: 6408789
Filing Date: 2002-06-25
Classification: A01K

Abstract:
A repelling device for a bird feeder having a food container, the repelling device comprising:a retainer having a bottom retainer adapted to detachably connect to the food container, a top retainer adapted to allow the bird feeder to be hung on an object and a central shaft adjoining the top and bottom retainers; a repelling disk rotatably and movably mounted around the central shaft and having an annular extension mounted around the central shaft of the retainer and an annular flange integrally formed on an inner face of the repelling disk and extending downward; a housing securely engaged with the central shaft to receive therein a driving device to selectively drive the repelling disk to rotate; and multiple sensors each securely mounted in the housing and partially extending out of the housing to be detachably engaged with the annular flange, whereby the repelling disk is selectively driven by the driving device to rotate when the repelling disk is moving toward the housing to allow the annular flange to engage with a corresponding one of the sensors.