| 摘要 |
A key case operable by one hand is configured such that the user can, by using only one hand which holds a triple-folding key case body and without causing a key suspending member to drop from the key case body together with a base element, easily and smoothly open and close the key case body, take out and return a key bundle to the key case body, and use a key. A structure which can be easily mountain-folded along the vertical direction is formed at the center on the inner side of a center section of a key case body. Key suspending members, particularly rotary key holders, are secured arranged side by side in the left-right direction on the inner side of the center section. Because of the configuration above, the user can easily and smoothly open and close left and right folding sections of a key case and take out and return a key bundle to the key case by using only one hand which holds the key case body.
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