Abstract: Methods and apparatus are disclosed for forming and securing by stitching articles with mitered corners such as bed sheets or the like in which the mitered corner is contorted into a substantially flat configuration capable of being secured by a straight line of stitching.

Abstract: Methods and apparatus are disclosed for forming and securing by stitching articles with mitered corners such as bed sheets or the like in which the mitered corner is contorted into a substantially flat configuration capable of being secured by a straight line of stitching.

Abstract: A skeletal frame sewing machine construction in which stitch forming instrumentalities supported on the skeletal frame are brought into cooperative relation by a combination of positioned adjustments of the instrumentalities on the skeletal frame and the influence of selective compensating forces developed between the skeletal frame and exterior casing parts.

Abstract: A fabric repairing tool is provided with a cutter which is operable in a one-shot shearing operation to remove a portion of fabric from a folded piece of material held in the tool with a foldable clamp, and is further provided with heating means which is energizable to a controlled temperature effective in a desirable period of time to bond a thermoplastic pad and patch to a damaged fabric.

Abstract: A damaged area of a fabric is repaired by removing the damaged area from the fabric while folded across the damaged site, and thereafter bonding a patch and underlying thermoplastic impregnated pad to each other and to the fabric with the application of heat.

Abstract: A low inertia drive mechanism for imparting movement to a fabric clamp with respect to the needle of a sewing machine. The drive mechanism comprises a first table mounted for translation in a first straight path, a second table mounted for translation independent of said first table in a second straight path perpendicular to said first straight path, and a third table to which the fabric clamp is attached is slidably mounted on transverse rods carried in the second table. Drive means comprising separate motors for the first and second tables is provided for imparting movements, whereby the third table may partake of translation movement in any direction.Also disclosed is a fabric clamp for supporting and guiding fabric to be sewn in cooperative disposition with respect to the needle of a sewing machine, for use with a variable translation fabric feeding mechanism. The clamp includes upper and lower supporting structures.

Abstract: A low inertia drive mechanism is disclosed for imparting translational movement to a sewing machine fabric clamp. The drive mechanism comprises a first and second rigid tables mounted on guide rods for independent translational movements in mutually perpendicular straight paths. The second table carries a pair of transverse rods on which a third rigid table is slidably mounted which may move in any direction in a plane parallel to the planes of said first and second tables. The drive mechanism also comprises stationary motors not carried by any of the tables for imparting reciprocatory motion to the first and second rigid tables. The mechanism further includes means for connecting the fabric clamp to the third rigid table.Also disclosed is a fabric clamp for supporting and guiding fabric for use with a variable translation fabric feeding mechanism.