Patent ID: 6055919
Filing Date: 2000-05-02
Classification: D05B

Abstract:
A spool capsule arrangement for a sewing machine, comprising:a spool carrier pin of a catcher system;a lower thread spool having a concentrically disposed bore;a spool capsule having a spool receiving space for receiving said lower thread spool on said spool carrier pin, said spool carrier pin passing through the concentrically disposed bore of said lower thread spool, said spool capsule further comprising a dish having a circular bore provided in a center of rotation of said dish; and,a locking device for axially retaining said spool capsule on said spool carrier pin, said locking device being a spring that is inserted in said spool receiving space of said spool capsule, said spring having a first section being retained by said dish of said spool capsule, a second section being formed between said first section and a third section of said spring, said second section having means for increasing the elasticity of said spring, and said third section of said spring being constructed so that it is elastically displaceable radially relative to the circular bore of said dish of said spool capsule, said third section penetrating the circular bore.