Double-chuck mechanical pencil

Details Double-chuck mechanical pencil Double-chuck mechanical pencil

1998-05-11

2000-03-21

Recla, Henry J.

Coating implements with material supply

Solid material for rubbing contact or support therefor

Including means to advance material

401 65, 401 87, 401 94, B43K 2116

Patent

active

060394854

ABSTRACT:
A double-chuck mechanical pencil has an outer tube, a tip fitting provided in the front of the outer tube, a tip chuck located at the tip of the tip fitting for holding a writing substance (e.g., a lead) and urged rearward in the axial directed, and a delivery chuck for delivering the lead. At least one of the tip chuck and the delivery chuck is formed of a synthetic resin material including polyoxymethylene.

REFERENCES:
patent: 2473149 (1949-06-01), Juelss
patent: 2845898 (1958-08-01), Stanek
patent: 3765781 (1973-10-01), Hashimoto et al.
patent: 3945733 (1976-03-01), Edel
patent: 4140408 (1979-02-01), Mizutani
patent: 4571105 (1986-02-01), Sekiguchi
patent: 4729684 (1988-03-01), Sakaoka
patent: 4872776 (1989-10-01), Kageyama et al.
patent: 4976560 (1990-12-01), Ohshita
patent: 5052838 (1991-10-01), Tucker
patent: 5629363 (1997-05-01), Abber et al.

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