| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a cap opener necessitating only a light force even if a big force for breaking a ring body is necessary for opening a cap in the operation of opening the cap of a pet bottle, and enabling the effective following cap opening operation. <P>SOLUTION: The cap opener includes: a base tubular body 1 whose inner circumferential surface is an internal tooth 14; an actuating tubular body 2 on which a cap attachment part for attaching the pet bottle cap body and a small gear 23 built rotatably on the same shaft in the base tubular body on the cap attachment part coinciding with the center of the cap attachment part are mounted; a planetary gear body 3 engaged with the internal gear 14 and the small gear 23; and an operation body 4 which is inserted in a shaft hole of the small gear to enable rotation movement and to which a shaft of the planetary gear body (planetary shaft 42) is attached. <P>COPYRIGHT: (C)2012,JPO&INPIT |
