发明名称 Feeding house for small birds - has sprung perch allowing only small and light birds to feed
摘要 The bird feeding box, with a food container enclosed by side walls, fllor and roof, has the food opening (8) on the side-wall arrangement (3). A perch (9) is installed beneath the food opening, able to tilt about a horizontal axis (10) running transversely to its longitudinal axis. A stop is arranged limiting the tilting movement upwards in the direction of the food opening (8), and a return device is provided by which the perch (9) is pre-tensioned against the stop (12), so that only small birds can feed. USE/ADVANTAGE - The feeding house feeds tits and other birds of the same size or smaller.
申请公布号 DE4102879(A1) 申请公布日期 1992.08.06
申请号 DE19914102879 申请日期 1991.01.31
申请人 VOLLMER, HANS, 7336 UHINGEN, DE 发明人 VERZICHT DES ERFINDERS AUF NENNUNG
分类号 A01K39/012 主分类号 A01K39/012
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