Cutlery produced by ergonomically studied

摘要

[Problem] In addition an ergonomic study, the provision of a large number of people is easy to use spoons and forks and knives. [SOLUTION] The internal structure of the bulge-shaped 12 hollow portion 13 is formed in the interior of the spoon grip portion 11. SW1 is a plan bulge width spoon grip portion 11, SL1 is the length of the spoon grip portion 11, SW1: SL1 ratio of about 1: 5 to about 1: 6, SW3 of the scoop section 15 a plane width, SL2 is a plane length of the scoop section 15, SW3: SL2 ratio of about 1: 2.0 to about 1: 2.1, SL3 is the total length of the spoon 10a, 10b, SW1: SL3 ratio of about 1: 9 to about 1:10, SW3: SL3 ratio of about 1: 4 to about 1: 5, SW2 is a side bulging width of the spoon grip portion 11, SW2: SL1 ratio of about 1: 7 to about 1: 8, SW2: SL3 ratio of is from about 1:13 to about 1:14, SW2: SW1 ratio of about 1: to about 1.1 and is preferably 1: 1.9. .BACKGROUND