Title:
KNOCK-TYPE WRITING INSTRUMENT
Document Type and Number:
Japanese Patent JP2019166729
Kind Code:
A
Abstract:
To provide a knock-type writing instrument which can be operated more intuitively and easily.SOLUTION: A knock-type writing instrument includes a barrel, a knock button which is provided to be moveable forward and backward with respect to the barrel and further includes a first locking projection part 34 and a second locking projection part 35 which move forward and backward integrally with the knock button and a third locking projection part 50 provided on the inner peripheral surface of the barrel. In the non-writing state, by moving the knock button forward, the first locking projection part 34 and the second locking projection part 35 are locked with the third locking projection 50 to become a writing state, and in the writing state, by moving the knock button backward without moving it forward, the lock is released to become a non-writing state.SELECTED DRAWING: Figure 10
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Inventors:
NAKAMURA YUSUKE
Application Number:
JP2018056555A
Publication Date:
October 03, 2019
Filing Date:
March 23, 2018
Export Citation:
Assignee:
MITSUBISHI PENCIL CO
International Classes:
B43K24/08; B43K24/04
Domestic Patent References:
| JPH01166577U | 1989-11-22 | |||
| JPH0276087U | 1990-06-11 | |||
| JP2006305887A | 2006-11-09 | |||
| JP2016199007A | 2016-12-01 | |||
| JPH0428813U | 1992-03-09 |
Attorney, Agent or Firm:
Atsushi Aoki
Shinji Mitsuhashi
Koichi Ito
Kentaro Ito
Shinji Mitsuhashi
Koichi Ito
Kentaro Ito