Title:
【発明の名称】プロッタにおける自動給芯装置
Document Type and Number:
Japanese Patent JP2857799
Kind Code:
B2
Abstract:
When a pen holder of a drawing head of an automatic lead supply apparatus is raised and lowered, and a knocking pipe of a pencil holder held by the pen holder strikes or is pressed against a knocking plate in order to repeatedly raise and lower the knocking pipe, a lead contained in the pencil holder is fed to a front end of the pencil holder. Before the lead feeding operation, a controller functions to finely oscillate the drawing head in order to prevent the lead from clogging the knocking pipe. As a result, a single lead will be properly and reliably guided to a lead chucking mechanism.
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Inventors:
OGUCHI HIROSHI
Application Number:
JP22558690A
Publication Date:
February 17, 1999
Filing Date:
August 28, 1990
Export Citation:
Assignee:
MUTO KOGYO KK
International Classes:
B43L13/00; B43L13/02; G01D15/16; (IPC1-7): B43L13/00
Domestic Patent References:
| JP229399A | ||||
| JP2196699A |
Attorney, Agent or Firm:
Nishijima Ayao