Patent ID: 8651035
Filing Date: 2014-02-18
Classification: D05C

Abstract:
1. A multi-needle sewing machine comprising: a plurality of needle bars having lower ends to which needles are configured to be attached, respectively; a needle bar case which is configured to support the needles so that the needles are movable upward and downward; a needle bar case moving mechanism which moves the needle bar case so that a predetermined one of the needle bars is moved to a needle position that is a sewing position; a machine frame side thread guide member which is fixed to a machine frame and has a plurality of machine frame side thread guide portions which are arranged at predetermined intervals and are configured to guide threads drawn from a plurality of thread spools provided on the machine frame respectively; a plurality of thread entrances which are defined in the needle bar case to introduce the threads guided by the machine frame side thread guide portions to the needle sides of the needle bars, respectively; a plurality of intermediate thread guide portions which are provided between the machine frame side thread guide portions and the thread entrances so as to be movable respectively, the intermediate thread guide portions configured to guide intermediate portions of the threads extending from the machine frame side thread guide portions toward the thread entrances respectively; and an intermediate thread guide portion moving mechanism which moves the intermediate thread guide portions in accordance with movements of the thread entrances during a movement of the needle bar case such that the intermediate thread guide portions are moved by maintain that the intermediate thread guide portions are spaced from each other.