Patent ID: 6450109
Filing Date: 2002-09-17
Classification: D05B

Abstract:
A feeding device for a hemstitching machine comprising:a base including a feeding end having a protrusion extending from the feeding end and being inclined relative to a plane of the base, and a slot longitudinally defined in one end of the base opposite to the feeding end; a sliding shuttle slidably mounted on the base and having a groove defined to correspond to the protrusion of the base, the sliding shuttle having two opposite edges each having a positioning plate perpendicularly attached to the sliding shuttle near the end containing the groove and opposite to the base, the positioning plate adapted to hold a thread during feeding; and a rotating shuttle rotatably mounted on the base to drive the sliding shuttle moved back and forth, the rotating shuttle including: a U-shaped pivot seat pivotally attached to the base by a pivot pin extending through the U-shaped pivot seat and the base; a torsion spring received in the U-shaped pivot seat and penetrated by the pivot pin, the torsion spring has a first end secured on the base and a second end abutting a bottom of the U-shaped pivot seat; a drive arm extending from one side of the U-shaped pivot seat to drive the sliding shuttle; and a handle extending from the bottom of the U-shaped pivot seat for a user to rotate the rotating shuttle.