Title:
BUTTONHOLING MACHINE
Document Type and Number:
Japanese Patent JP2010063570
Kind Code:
A
Abstract:
To inform a user of a replacement of a knife before the knife is worn out or chipped, thereby preventing a cloth cutting failure.
The buttonholing machine includes stress detection means 20 for detecting a stress applied to a knife when forming a buttonhole, cumulating means 20 for cumulating, each time the buttonhole is formed, the stress detected by the stress detecting means, storing means 24 for storing a threshold stress that causes a wear-out or a breakage of the knife, and informing means 66 for informing a user of a replacement of the knife. When the cumulated stress reaches the threshold stress, the control means controls the informing means to inform the user of the replacement of the knife.
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Inventors:
MURAI KENJI
SAKAMOTO SHINICHI
SUGIYAMA TAKASHI
OGATA TAKAHIRO
SAKAMOTO SHINICHI
SUGIYAMA TAKASHI
OGATA TAKAHIRO
Application Number:
JP2008231695A
Publication Date:
March 25, 2010
Filing Date:
September 10, 2008
Export Citation:
Assignee:
JUKI KK
International Classes:
D05B3/08; D05B19/12
Domestic Patent References:
| JP2005160934A | 2005-06-23 | |||
| JP2006087813A | 2006-04-06 |
Attorney, Agent or Firm:
Hiroshi Arafune
Yoshio Arafune
Yoshio Arafune