Patent ID: 6123039
Filing Date: 2000-09-26
Classification: D05B

Abstract:
In an endless belt-type walking presser foot including a frame member having a pair of first endless belt guide grooves formed in a bottom surface thereof at locations near lateral side edges of the bottom surface and extending in a longitudinal direction of the presser foot, a pair of roller supports provided in front and rear portions of the frame member, a plurality of rollers each being journaled to a corresponding one of the roller supports and each having a second endless-belt guide groove in a form of an annulus formed therein, and a pair of endless belts each having a train of guide projections formed on an inner peripheral surface thereof and fitted in a corresponding one of said first endless belt guide grooves and a corresponding one of said second endless belt guide grooves, and a train of cloth slippage preventing projections formed on an outer peripheral surface thereof,the improvement wherein said inner peripheral surface of each of said endless belts has a train of small projections formed thereon which are configured so as to be in point or line contact with said bottom surface of said frame member and said roller.