US 7,460,925 B2 · Embroidery sewing machine

Abstract

An embroidery sewing machine includes an embroidery frame, a carriage transferring the embroidery frame, a drive unit moving the carriage, a sewing machine motor, a control unit controlling the drive unit and the motor so that an embroidery sewing mode is executed in which an embroidery pattern is sewn or a manual-feed sewing mode is executed in which a sewing operation is carried out with manual cloth feed while the carriage is moved to and held at a predetermined evacuative position, a foot controller, a connecting part connecting the foot controller to the control unit, and a mode switching unit which selectively switches between the embroidery sewing mode and the manual feed sewing mode. The mode switching unit switches to the embroidery sewing mode when the foot controller is non-connected to the connecting part, and to the manual-feed sewing mode when the foot controller is connected to the connecting part.

Claims11

Dependent claims

An embroidery sewing machine comprising:

an embroidery frame holding workpiece cloth to be sewn;
a carriage transferring the embroidery frame detachably attached to the carriage;
a drive unit which moves the carriage;
a sewing machine motor;
a control unit which controls the drive unit and the sewing machine motor so that an embroidery sewing mode is executed in which an embroidery pattern is sewn or a manual-feed sewing mode is executed in which a sewing operation is carried out with manual cloth feed while the carriage is moved to and held at a predetermined evacuative position;
a foot controller;
a connecting part connecting the foot controller to the control unit so that the foot controller is detachable from the connecting part;
and
a mode switching unit which selectively switches between the embroidery sewing mode and the manual-feed sewing mode, wherein
the mode switching unit switches to the embroidery sewing mode when the foot controller is non-connected to the connecting part and to the manual-feed sewing mode when the foot controller is connected to the connecting part.

7 more elements

An embroidery sewing machine comprising:

a sewing pillar;
an embroidery frame holding workpiece cloth to be sewn;
a carriage transferring the embroidery frame detachably attached to the carriage;
a drive unit which moves the carriage;
a sewing machine motor;
a pattern data storing unit which stores data of a plurality of embroidery patterns, the data of a plurality of embroidery patterns including evacuating drive data for moving the carriage to a predetermined evacuation position where the carriage is brought to a work space perimeter that is closer to the pillar than to a needle bar of the embroidery sewing machine and holding drive data for holding the carriage at the evacuation position or a position near the evacuation position;
a switching unit to switch the embroidery sewing machine from an embroidery sewing mode to a free motion sewing mode, wherein the carriage is brought to the predetermined evacuation position during the free motion sewing mode;
and
a control unit which controls the drive unit and the sewing machine motor.

6 more elements

Dependencies are inferred from the claim text.

Embroidery sewing machine

Life of this patent

Embroidery sewing machine

Life of this patent

Abstract

Claims11