Coating implements with material supply – Solid material for rubbing contact or support therefor – Combined
Patent
1990-12-11
1992-02-25
DeMille, Danton D.
Coating implements with material supply
Solid material for rubbing contact or support therefor
Combined
401 29, 401 75, 401 86, 15429, 15433, B43K 2902
Patent
active
050908316
ABSTRACT:
A writing instrument wherein a rear cap is rotatably connected through a connector to a rear end of an outer tube into which a core pipe is axially slidably inserted, a guide member for an eraser is axially slidably inserted into the rear cap for axial engagement, a spiral member is spirally connected to an eraser receiving member which supports an eraser axially slidably inserted into a spiral member for axial engagement, the spiral member having a front end axially slidably connected to the connector for axial engagement, and the eraser guide member is urged in a withdrawing direction by means of an elastic body so that the guide member is held at a fixed projected position during non-knocking.
REFERENCES:
patent: 2613643 (1952-10-01), Merryman
patent: 3216563 (1965-11-01), Finkenzeller
Kageyama Hidehei
Mitsuya Yoshihide
Nakazato Youichi
DeMille Danton D.
Kotobuki & Co. Ltd.
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