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1. WO1997011600 - BIRD SCARING APPARATUS

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[ EN ]

CLAIMS

1. Bird scaring apparatus comprising a plurality of highly reflective surfaces arranged to form a three-dimensional multi-faceted reflecting object, and power drive means arranged to support the object and to effect rotation of the object about a substantially vertical axis.
2. Bird scaring apparatus as claimed in claim 1, wherein the angle between the horizontal and at least some of the reflecting surfaces externally of the three dimensional object is greater than 90°, so that those reflecting surfaces face upwardly away from the axis of rotation.
3. Bird scaring apparatus as claimed in claim 1 or claim 2, wherein each reflecting surface is substantially planar .
4. Bird scaring apparatus as claimed in any of the preceding claims , wherein the reflecting surfaces are arranged as a pyramid with the apex uppermost .
5 . Bird scaring apparatus as claimed in claim 4 , wherein the pyramid has three similar reflecting surfaces arranged on a triangular base .
6. Bird scaring apparatus as claimed in claim 4 or c l a i m 5 , where i n the apex o f the pyrami d l i es substantially on the axis of rotation of the power drive means.
7. Bird scaring apparatus as claimed in any of the preceding claims, wherein each said reflecting surface comprises a mirror.
8. Bird scaring apparatus as claimed in claim 7, wherein at least some of the mirrors are tinted.
9. Bird scaring apparatus as claimed in any of the preceding claims, wherein the power drive means includes an electric motor drivingly connected to the multi-faceted reflecting object.

10. Bird scaring apparatus as claimed in claim 9, wherein the electric motor is one of battery-operated, powered by solar cells, or by low voltage electricity transformed from the domestic mains supply.
11. Bird scaring apparatus as claimed in claim 9 or claim 10, wherein the object is carried on a shaft arranged for rotation about said axis, and the motor is drivingly coupled to the shaft to cause rotation of the shaft at a rate of from about 25 to about 50 revolutions per minute.
12. Bird scaring apparatus as claimed in claim 11, wherein the shaft is caused to rotate at a rate of from 30 to 35 revolutions per minute.
13. Bird scaring apparatus as claimed in any of the preceding claims, wherein means are provided to cause rotation of the object only during daylight hours.
14. Bird scaring apparatus as claimed in any of the preceding claims, wherein the power drive means is contained in a water-proof housing.