Patent ID: 6802328
Filing Date: 2004-10-12
Classification: A47C,Y10T

Abstract:
An adjustment device of an adjustable canopy of a swing set, comprisinga fixed part fixedly joined to a top of a supporting frame of a swing set; the fixed part having a hollow polygonal insertion portion projecting from a first side thereof; the insertion portion having a plurality of locating hooks projecting therefrom; an engaging part having a central polygonal hole tightly mounted on the polygonal insertion portion of the fixed part; the engaging part having a plurality of engaging protrusions formed around an outer side thereof; each of the engaging protrusions having a convexly curved surface; each of the engaging protrusions being provided with plasticity; an adjustable part having a securing portion, to which a support of a covering member is securely connected; the adjustable part having a main body having a first annular wall projecting from one side the main body; the first annular wall having a plurality of concavely curved sections arranged around an inner side thereof; the adjustable part having a hollow connecting portion at a middle of other side of the main body; the hollow connecting portion having a second annular wall shaped to have an inward engaging surface; the adjustable part being joined to the fixed part with the locating hooks of the fixed part being passed through the hollow connecting portion thereof to engage the engaging surface of the hollow connecting portion, and with the concavely curved sections being mounted onto, and engaged with, the convexly curved engaging protrusions; the covering member being fixed in position with engagement of the convexly curved engaging protrusions of the engaging part with the inner side of the first annular wall of the adjustable part; the inner side of the first annular wall of the adjustable part depressing the convexly curved engaging protrusions to allow the adjustable part to be turned relative to the fixed part when the support of the covering member is adjusted manually.