Patent ID: 7290492
Filing Date: 2007-11-06
Classification: D05B,D05C

Abstract:
1. An embroidery frame provided on a sewing machine with an embroidering function to hold workpiece cloth for execution of the embroidering function, the embroidery frame comprising: a lower frame receiving a lower side of the workpiece cloth; an upper frame clamping the workpiece cloth in cooperation with the lower frame therebetween; and a clamping mechanism pressing the upper frame against the lower frame, thereby holding the upper frame, the clamping mechanism including: a coupling member coupling the upper frame to the lower frame so that the upper frame is vertically swingable between a holding position where the upper frame presses the workpiece cloth and an opening position where the upper frame is open upward; a locking mechanism locking the upper frame at the holding position; an unlocking mechanism unlocking the upper frame; and a frame-opening biasing member biasing the upper frame so that the upper frame is displaced to the opening position when unlocked by the unlocking mechanism, wherein the locking mechanism includes a lock lever and a lock pin, wherein the lock pin engages an engagement hole of a supporting member when the lock lever is swung upward.