CONNECTING DEVICE BETWEEN CRAWL GUTTER AND UPSTREAM ELBOW

摘要

PROBLEM TO BE SOLVED: To provide a connecting device between a crawl gutter and an upstream elbow which can easily connect the crawl gutter to the upstream elbow without using a plurality of upstream elbows when the slope of the underlying roof changes. SOLUTION: This device comprises a crawl gutter 3 forming almost to U-shaped linking portions 2 and 2 in a longitudinal section which are protruded to the inner sides at the upper end of a side end surface of the gutter main body 1 and an upstream elbow 6 which has a longitudinal gutter insertion portion 5 elected above an outflow portion 4 in a hollow state sloped downward below an almost square-shaped loose fit through the crawl gutter. The outflow portion 4 of the upstream elbow 6 inside the crawl gutter 3 is inserted in a freely sliding manner through the linking portions 2 and 2 of the upstream elbow 6.