Sewing machine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 28, 2009
Grant Date -
Jun 12, 2008
app pub date -
Nov 13, 2007
filing date -
Nov 15, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A sewing machine includes a looper formed with a thread hole, a looper shaft holding the looper, and a thread pipe fixed to the looper shaft. The thread pipe includes a thread inserting port at one end and a thread discharging port at the other end. The sewing machine further includes a nozzle from which air is sprayed toward the thread inserting port, a switching mechanism operable to disconnect the looper from the looper shaft when the looper is at a front position, and a moving member which moves the looper to a rear position when the looper is disconnected from the looper shaft by the switching mechanism. When the looper is disconnected from the looper shaft and is moved to the rear position, the thread discharging port matches the thread hole, and the thread inserting port becomes close to the nozzle.
First Claim
Family
International Classification(s)
- 2007 Application Filing Year
- D05B Class
- 113 Applications Filed
- 70 Patents Issued To-Date
- 61.95 % Issued To-Date
