Size adjustable hat with zigzag stitching forming drawstring tube (US Patent 6041439)

Patent number: 6041439 Cited as: US 6,041,439; US6041439 Granted: 2000-03-28 Filed: 1997-08-08 Inventors: Katsushige Yamanaka (Ichikawa-shi, Chiba, JP)

Abstract

A size adjustable hat, wherein a bag shaped portion is formed all around the circumference 2 of an extremity of a crown section 1 positioned inside said crown section, or a central hole peripheral portion 3 of a brim, or a slider base portion or a slider cuffed portion 14a into a bag shaped portion 4,5, or by affixing a tubular portion 7 on