Coating implements with material supply – Solid material for rubbing contact or support therefor – Combined
Patent
1997-03-21
1999-04-06
Bratlie, Steven A.
Coating implements with material supply
Solid material for rubbing contact or support therefor
Combined
401 29, 401 32, B43K 2902, B43K 2700
Patent
active
058908250
ABSTRACT:
A composite writing instrument comprising a writing instrument mechanism having a plurality of refills and a rod-like delivery mechanism, the composite writing instrument comprising middle shaft provided between a front shaft and a rear shaft, return springs having one end terminated at the middle shaft to urge the refills, respectively, backward; sliding cams mounted at rear portions of the refills and terminated at the other ends of the return springs to be urged backward, a cam body having at a front portion a cam operating portion which presses the rear end of either of the sliding cams to selectively advance the refills; a guide tube rotatably engaging the cam body and having a guide groove in the axial direction; a slider formed in the guide tube holding a rod-like article and being slidable in the axial direction along the guide groove of the guide tube, the cam body being provided with an engaging portion which engages the middle shaft so as to be slidable in the direction of the front shaft and be rotatable, the cam body further being formed with a helical groove in an inner periphery at the rear portion thereof, and the slider being provided with an engaging projection in engagement with the helical groove of the cam body, whereby the rotation of the cam body is controlled about the middle shaft by engagement of an engaging piece formed at the rear end of the middle shaft and a projection of the cam body.
REFERENCES:
patent: 4227822 (1980-10-01), Kokubu
patent: 5306085 (1994-04-01), Kobayashi
patent: 5306107 (1994-04-01), Kageyama et al.
patent: 5662425 (1997-09-01), Mitsuya
Kageyama Hidehei
Kobayashi Seiichi
Noguchi Yoshio
Sekuguchi Naoki
Bratlie Steven A.
Kotobuki & Co. Ltd.
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