Lead propelling device

Details Lead propelling device Lead propelling device

2005-02-15

2005-02-15

Nguyen, Tuan (Department: 3751)

Coating implements with material supply

Solid material for rubbing contact or support therefor

Including holder

C401S065000, C401S067000, C401S093000, C401S094000

Reexamination Certificate

active

06854909

ABSTRACT:
The lead propelling device of the invention is a lead propelling device having a structure for gripping and releasing the lead by a lead gripping mechanism by knocking operation, not transmitting the knocking force to the lead gripping mechanism in knock forward operation, wherein a stopper not allowing the lead to pass by its own weight interlocks with the knock operation, the lead abuts against the stopper rear end upon release of the lead, the lead is inserted into the stopper after gripping the lead in knock backward operation, thereby propelling the lead, and therefore after the knock operation part advances by a predetermined distance, the lead gripping mechanism clears gripping of the lead, and when the lead gripping mechanism grips the lead in the backward stroke of the knock operation part, the knock operation part is set to be movable backward further by a predetermined distance.

REFERENCES:
patent: 4720203 (1988-01-01), Shimada
patent: 6203227 (2001-03-01), Noguchi
patent: 6705789 (2004-03-01), Maruyama et al.

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