专利内容由知识产权出版社提供
专利名称：Nest boxes
发明人：Gerard C. Burns,Francis J. Burns申请号：US06/921127申请日：19861021公开号：US04768466A公开日：19880906
摘要：The invention relates to nest boxes for birds or animals and proposes that thenest boxes comprise a sleeve with a body rotatable therein. The sleeve and body are inplastics material, and the sleeve has a cut-away portion while the body has bird or animalaccess apertures therein. The body can be rotated inside the sleeve to bring any one ofseveral apertures into register with the cut-away portion so that the box can be adaptedfor the accommodation of different sized birds or animals. The invention also provides aC-shaped plastics material clip which is to be used for mounting the nest boxes, the clipbeing of resilient material such as plastics so that it can be sprung over a tree branch or atree trunk or for example a fall pipe on a building. This clip may be of thicker material atthe portion opposite the slot for reinforcing purposes and may be attached to aconventional nest box or to a nest box according to the invention.
申请人：BURNS; GERARD C.,BURNS; FRANCIS J.
代理人：Fred Philpitt
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