Title:
LEAD HOLDER
Document Type and Number:
Japanese Patent JP2017013359
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To solve the problem of causing risk of damaging a core when the axis is dislocated between a slide member and a chuck ring at a result of it, when a clearance in the radial direction is generated between the sliding slide member, the chuck ring, a base and a barrel, when writing pressure larger than elastic force of a writing pressure spring is applied to the core, in a lead holder for cushioning when the writing pressure larger than the elastic force of a cushion spring is applied to the writing core.SOLUTION: A center guide member longitudinally movable to a barrel, a chuck ring longitudinally movable to the barrel and surrounding a chuck body and a first energization member for energizing its chuck ring forward in the axial direction, are arranged on the inside of the barrel, and the chuck ring is included in the center guide member, and when writing pressure larger than elastic force of the first energization member is applied to a writing core, the chuck ring and the center guide member retreat by interlocking against energization of the first energization member.SELECTED DRAWING: Figure 4
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Inventors:
ITO YOSHIKAZU
ABIKO HIROYOSHI
ABIKO HIROYOSHI
Application Number:
JP2015132244A
Publication Date:
January 19, 2017
Filing Date:
June 30, 2015
Export Citation:
Assignee:
PENTEL KK
International Classes:
B43K21/16; B43K21/027
Domestic Patent References:
| JPS6450990U | 1989-03-29 | |||
| JPH0387289U | 1991-09-04 | |||
| JPH0379991U | 1991-08-15 | |||
| JPS53136243U | 1978-10-27 |
Foreign References:
| US5462376A | 1995-10-31 |