Patent Number: 6,305,304

Title: Two-needle sewing machine

Abstract: The sewing machine comprises two hooks 27a and 27b which are respectivelydisposed in such a manner as to correspond to two needles 7 and 7 providedin the present sewing machine, hook gap adjusting device 33-35respectively for changing the gap between the two hooks 27a and 27b, drivedevice 36 for driving the hook gap adjusting device 33-35, transmissiondevice 37-41 respectively for transmitting the driving of the drive device36 to the hook gap adjusting device 33-35, and control device 50 forcontrolling the driving of the drive device 36 to thereby control theabove gap between the two hooks, whereby the sewing machine is able tomove the hooks 27a and 27b easily only by driving the drive device.

Inventors: Tanaka; Makoto (Tokyo, JP), Hirose; Noriyuki (Tokyo, JP), Maeda; Akira (Tokyo, JP), Tanaka; Masahiko (Tokyo, JP), Kitada; Kenji (Tokyo, JP), Kazehare; Hiroyuki (Tokyo, JP)


International Classification:

Expiration Date: 10/23/2013