Title:
FLYING RING
Document Type and Number:
Japanese Patent JP2018023433
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a flying ring that has a shape for guiding an air flow being made to flow by the rotary flight maneuver so as to make the lift uniform, and thereby a flying horizontal posture is kept for a long time.SOLUTION: A flying ring 10 has a cyclic structure reaching an outer edge 20 from an inner edge 21 and is rotationally symmetric. The cyclic structure is provided with a substantially horizontal bottom surface 41, and an inclined wall 50 of a circular arc-shaped lower surface, the wall that is increased in diameter from the inner edge 21 to the lower part and is connected to the bottom surface 41. An outer/inner diameter ratio of the cyclic structure concerning a radial direction reaching the outer edge 20 from the inner edge 21 is less than 1.92. An angle Kc exceeds 0 degree and is 45 degrees or less concerning the inclined wall 50 of the lower surface. Also, the height Sh is the length of the width Kw or less of the inclined wall 50 of the lower surface along the radial direction.SELECTED DRAWING: Figure 1
Inventors:
SHIBASAKI TAKENOBU
Application Number:
JP2016155445A
Publication Date:
February 15, 2018
Filing Date:
August 08, 2016
Export Citation:
Assignee:
SHIBASAKI TAKENOBU
International Classes:
A63H27/00