Rain trough
专利汇可以提供Rain trough专利检索，专利查询，专利分析的服务。并且PURPOSE: To make it possible to use a rain trough as an eaves gutter or a vertical conduit by constructing a trough of two circular-arc-shaped component members in such a manner that one is made into a double structure to which the other is inserted.
CONSTITUTION: No.1 trough 1 is made into a double structure. Flexible part 6 of No.2 trough 4 is inserted into its hollow part 3. When the trough is used as an eaves trough, the amount of insertion of flexible part 6 is reduced, and depression 2 and projection 5 of troughs 1 and 4 are supported by supporter 13 fixed under the eaves. When it is used as a vertical conduit, No.2 trough 4 is pulled out to the full, flexible part 6 of No. 2 through bent inward, and projection 5 is inserted into depression 2 and thereby a cylinder is formed. When the upper ends of No.1 and No.2 troughs are made of hart material and the lower end part of No.2 trough is made of flexible material, it is easy to form a vertical conduit, even if there is some deviation in the joint.
COPYRIGHT: (C)1979,JPO&Japio，下面是Rain trough专利的具体信息内容。
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