| 摘要 |
PURPOSE: A mechanical pencil is provided to store leads within an inner case and include a cap which does not have to be removed, and thus is secure from loss. CONSTITUTION: A mechanical pencil comprises a housing (100) which has a first opening (101); a rotator (110) which is rotatably installed at the housing and has a second opening (111) communicating with the first opening; an inner case (200) which is provided within the housing and having a penetration unit (201) communicating with the first opening; a front end cap (300) which is screw-installed at the front end of the housing and has a tip (310) to guide an outgoing lead; and a protrusion cap (400) which is inserted at the top end of the inner case and is protruded upwardly. |
