作者: Gerhard E. Gessner , Jeremiah S. Sullivan
DOI:
关键词: Engineering drawing 、 Engineering
摘要: A shoelace retaining system for securing individual free ends of shoelaces after the have been tightened on shoe, with a quick and easy engagable disengageable means. The means has an open slot one side that allows insertion along its length into portion, tightening by pulling relative to device in direction. Easy release is accomplished merely outwardly through away from portions.