Title:
消しゴムくず収集用具
Document Type and Number:
Japanese Patent JP7140394
Kind Code:
B2
Abstract:
To provide a tool for collecting eraser waste that can attract eraser waste that is adsorbed by magnetic force and can easily release it to a trash can and the like by releasing the adsorption state.SOLUTION: The tool for collecting eraser waste includes a tubular main body 10 having an advancing/retreating space inside, a suction portion 70 that covers one surface of the tubular main body 10 in the longitudinal direction, a magnet holder 30 that holds a magnet 33 and moves forward and backward in the advancing/retreating space, an elastic body 60 that urges the magnet holder 30 to the back surface side of the suction portion 70, and an advance/retreat lever 40 arranged outside the tubular main body. An peripheral wall 34 standing around the magnet 33 and the back surface of the suction portion 70 move forward and backward so as to be able to come into contact with and separate from each other.SELECTED DRAWING: Figure 2
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| JPH11268484 | METHOD FOR WRITING AND ERASING AND INK AND ERASER USED THEREFOR |
Inventors:
Kenji Tochio
Application Number:
JP2019219021A
Publication Date:
September 21, 2022
Filing Date:
December 03, 2019
Export Citation:
Assignee:
Kutsuwa Co., Ltd.
International Classes:
B43L19/00; B43K29/02
Domestic Patent References:
| JP9142089A | ||||
| JP4135390U | ||||
| JP2012161926A | ||||
| JP60134697U | ||||
| JP60137595U | ||||
| JP60179497U | ||||
| JP57108988U |
Foreign References:
| US4554703 |
Attorney, Agent or Firm:
Norihiko Fujita
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