Side knock type mechanical pencil

Details Side knock type mechanical pencil Side knock type mechanical pencil

1996-12-31

1997-12-30

Stoll, William E.

Coating implements with material supply

Solid material for rubbing contact or support therefor

Including means to advance material

B43K 2100

Patent

active

057021937

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 said 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: 1866072 (1932-07-01), Woelm
patent: 3813176 (1974-05-01), Kamo
patent: 3883253 (1975-05-01), Naruse et al.
patent: 3892495 (1975-07-01), Naruse et al.
patent: 3945733 (1976-03-01), Edel
patent: 4270870 (1981-06-01), Hashimoto et al.
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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