Slide type writing tool having device for preventing dryness

摘要

A slide type writing tool includes: a pen housing (10); an ink holder (30); a sealing member (40) having a cover (41); a spring (50) elastically supporting the sealing member (40) and the ink holder (30); and a guide member (60) positioned between the sealing member (40) and the pen housing (10) and having an operation hole (65) for the coming in and out of the pen tip (31) in response to the forward or backward movement of the ink holder (30), wherein the opening and closing operations of the cover (41) of the sealing member (40) are guided when the sealing member (40) moves, the ink holder (30) has cam protrusions (70) for enabling the guide member (60) to move and moving along the operation slits (62), and the sealing member (40) has a sealing portion (42) coming into contact with the ink holder (30) and protrusions (44).

主权项

1. A slide type writing tool, comprising:
a pen housing (10) formed in a cylindrical shape with an empty inside portion and having a pen tip exit hole (11) formed by penetrating a front end portion and a button clip part (20) provided to an upper end at one side; an ink holder (30) received in the pen housing (10) so as to receive ink therein in a way such that a pen tip (31) is coupled at the front end thereof and a knob (32) is coupled to the other side thereof; a sealing member (40) having a cover (41) hinge-connected to the front end thereof so as to be opened or closed according to the forward or backward movement of the ink holder (30) in a way such that the pen tip (31) of the ink holder (30) is covered by the cover (41), such that the pen tip (31) can come in and out; a spring (50) elastically supporting the sealing member (40) and the ink holder (30); and a guide member (60) positioned between the sealing member (40) and the pen housing (10) and having an operation hole (65) penetrated so as to enable the pen tip (31) to come in and out in response to the forward or backward movement of the ink holder (30) in a way such that the sealing member (40) is received in the guide member (60), wherein the cover (41) of the sealing member (40) is guided in a way such that the cover (41) of the sealing member (40) is fitted into a cam groove (67) of the guide member (60) which is formed to extend from a linear portion (67a) to an inclined portion (67b), such that the opening and closing operations of the cover (41) are guided when the sealing member (40) moves, the guide member (60) has holding parts (61) and operation slits (62) provided to the outside surface thereof along the longitudinal direction thereof, the ink holder (30) has cam protrusions (70) for enabling the guide member (60) to move in a way such that the cam protrusions (70) come into contact with the holding parts (61) of the guide member (60), and moving along the operation slits (62), and the sealing member (40) has a sealing portion (42) formed to protrude inwards from an inner diameter portion thereof so as to come into contact with the outer diameter portion of the ink holder (30) and protrusions (44) formed to protrude outwards from an outer diameter portion thereof such that a fixing cap (45) to be held by a stepped portion (18) formed on the inside of the pen housing (10) is coupled to the sealing member (40) in such a manner that the protrusions (44) of the sealing member (40) are received in receiving grooves (46) of the fixing cap (45).