(57) Abstract Objective When retracting ink thread 2, the danger due to thorn needle penetration 30You evade Characteristic, in ink striking target ones the thorn stick easily with one handTo be possible, furthermore the not yet arrived part of Indian ink is raw in the vicinity of marking originWithout ji ru thing, exchange of thorn needle penetration 30 is made easy. Constitution The computer case 10 where the storage chamber 12 was formed and,To be stored up inside storage chamber 12, in axial direction part locked member 22 formaThe frame material it was provided in the Tip of 20 which is formed and frame material 20Thorn needle penetration 30 and frame material 20 regular energization doing to the rear, the thorn needle penetrationThe energization component 40 which is immersed 30 from needle projection opening 11 and transferring/changingWhen being dynamic toe of switch position, locked member 22 of frame material 20 and engagementThe pushing pressure component 50 which possesses possible person in charge lock part 53 and pushing pressure component 50 to engagement release direction regular energization the second energization component 60 which is doneIt has, in frame material 20 is stuck the ink thread 2 which needle projection opening 11The empty it is guided.
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