Driving device of sewing machine

Application Number: 00108232
Application Date: 2000.04.30
Publication Number: 1273294
Publication Date: 2000.11.15
Priority Information: 1999/5/7 JP 127173/99
International: D05B57/38
Applicant(s) Name: Juki Corp.
Inventor(s) Name: Minakawa Chugi
Patent Agency Code: 72001
Patent Agent: zhang tianan
Abstract A sewing machine drive device allowing disposition of parts in a small space. This drive device of a sewing machine which has an upper shaft 2, a hook shaft 6 and a drive motor 34 to rotate one of the shafts is for rotating the hook shaft in the relatively opposite direction to the upper shaft. The upper shaft and the hook shaft are connected with a pair of sprockets 38, 52 and a pair of gears 44, 54. And one of the sprockets 52 and one of the gears 54 are integrally fixed to be rotatable around an eccentric shaft 46.