Side knock-type mechanical pencil

Details Side knock-type mechanical pencil Side knock-type mechanical pencil

1998-04-24

2000-08-08

Walczak, David J.

Coating implements with material supply

Solid material for rubbing contact or support therefor

Including means to advance material

401 65, B43K 2500

Patent

active

060991828

ABSTRACT:
A side knock type mechanical pencil including a cylindrical shell having a ferrule; a slide member disposed axially movably within the cylindrical shell; a chuck disposed in front of the slide member, with a chuck ring being loosely fitted on the chuck; a chuck spring for urging the chuck backward; and a side knock mechanism provided in the cylindrical shell, the side knock mechanism comprising a side knock member provided in the cylindrical shell and the slide member, the slide member being movable axially against the backward bias of the chuck spring and having a slant portion for abutment with the side knock member when the side knock member is depressed radially.

REFERENCES:
patent: 1518822 (1924-12-01), Saadi
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patent: 3813176 (1974-05-01), Kamo
patent: 3836264 (1974-09-01), Saito et al.
patent: 3883253 (1975-05-01), Naruse et al.
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patent: 4381158 (1983-04-01), Garganese
patent: 4865479 (1989-09-01), Doll
patent: 4955739 (1990-09-01), Kageyama et al.
patent: 5062727 (1991-11-01), Kageyama et al.
patent: 5236271 (1993-08-01), Sakaoka
patent: 5354141 (1994-10-01), Watanabe

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