STITCHER DRIVE

摘要

A stitcher (I00) is provided including a carriage (11 1 ) having a center of gravity (124), the carriage (11 1 ) movable between an extended position and a retracted position, at least one bearing (112a, 112b) for supporting the carriage (1 11 ), and an operating link (115) for driving the carriage (111 ), a driving force (F1 15) of the link (1 15) being applied through the center of gravity (124) or between the center of gravity (124) and the bearing (112a, 112b). Another stitcher (200) also is provided including a movable carriage (21 1 ) having a center of gravity (224), the carnage (224) movable between an extended position and a retracted position; and an operating link (215) for driving the carriage (211 ), a driving force (F215) of the link (215) being applied through the center of gravity (224) when the carriage (211 ) is in the extended or retracted position. A saddle stitcher is also provided.