Machines designed for sewing typically feature a harp, the area between the needle and the machine’s body. When this harp space is extended, providing significantly more room to maneuver fabric, it’s referred to as a large throat space. This expanded area is measured from the needle to the machine’s body. A typical domestic machine might offer 6-7 inches, while a machine built for quilting or other projects requiring bulky material could provide 10-18 inches or more. This characteristic is often visualized by imagining the space available to fit a rolled-up quilt or large project under the needle.
The increased working area offered by this design is invaluable for managing large projects. It facilitates easier manipulation of quilts, bulky garments, or extensive draperies. The additional space reduces fabric bunching and wrinkling, leading to more accurate stitching and smoother, more professional results. While historically, managing large projects on standard machines posed significant challenges, this specific design innovation represents a substantial improvement for both professional sewists and serious hobbyists.