Patent ID: 6666157
Filing Date: 2003-12-23
Classification: D05B

Abstract:
The method of converting a sewing machine having a flat bed sewing surface, a sewing station with given stroke, a needle, a lower disposed bobbin and sewing hook, a compound feed having a given extent of reciprocal travel including a reciprocal feed dog, cover plate, upper feed and presser foot for sewing the rim of a molded sole of given rim to bottom thickness to an upper, comprising the steps of:providing a conversion cover plate assembly having a lower plate portion with a dog receiving slot, an edge guide having a guide surface extending upwardly and generally normally to said lower plate portion to an elevated sewing platform surface, generally parallel to said lower plate portion, and having a needle receiving slot; providing a conversion feed dog assembly having a workpiece advancing component configured for reciprocal movement within said dog receiving slot and a thread sequestering channel component adjacent to and extending upwardly from said advancing component to a needle receiving opening located for reciprocal movement adjacent said needle receiving slot; removing said cover plate; removing said feed dog; installing said conversion feed dog assembly in place of said feed dog; and installing said conversion cover plate assembly in place of said cover plate, said edge guide surface being located in spaced adjacency with said thread sequestering channel component and said needle receiving opening being located adjacent said needle receiving slot.