MULTI-COLOR WRITING TOOL HAVING AUTOMATIC RETURN FUNCTION

Japanese Patent JP2017149138

A

PROBLEM TO BE SOLVED: To provide a multi-color writing tool having automatic return function.SOLUTION: A multi-color writing tool includes: an upper housing 20; a clip member 30 which is so provided on the upper housing as to rotatable around a hinge shaft 31; a knob 60 which comprises a pen core and two lock release parts in which inks of at least two or more different colors are filled, and of which an end is assembled to the pen core; a return spring located between the pen core and the knob; and a return member 80 which returns each knob and pen core by rotation of a lower end part of the clip member. In the writing tool, an auxiliary member 90, which moves the knob simultaneously when the return member is rotated to an upper inner side of the upper housing, is further provided between the return member the knob. In the auxiliary member, a guide groove is formed between pillars 91 so that the return member can be moved in the state of being sandwiched between the pillars, and a guide groove is formed on the pillar so as to guide vertical perpendicular motion inside the upper housing.SELECTED DRAWING: Figure 13

CHEON KWANG JU

JP2017008575A

August 31, 2017

January 20, 2017

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CHEON KWANG JU

B43K24/12; B43K27/12

JP2005111876A	2005-04-28
JP2000079790A	2000-03-21
JPH11139079A	1999-05-25
JP2005313515A	2005-11-10
JPH11157278A	1999-06-15
JP2002052892A	2002-02-19

▲吉▼川 俊雄
Kana Ichikawa

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