Patent ID: 8826837
Filing Date: 2014-09-09
Classification: D05B,D05C

Abstract:
1. A sewing frame actuator for a sewing machine which actuates a sewing frame which is a square frame for stretching processed fabric to be sewn with a sewing machine and that comprises a pair of long sides and a pair of short sides, the actuator comprising: a sewing frame actuation block for actuating the sewing frame in a front-back direction and a right-left direction which includes: wherein each of the first front-back direction actuation blocks includes each of the second front-back direction actuation blocks is laid along the pair of short sides of the sewing frame, and includes each of the right-left direction actuation blocks is provided in correspondence with each of the pair of short sides of the sewing frame, and includes wherein the first actuation block and the second actuation block are controlled synchronously by a control circuit in such a way wherein the third actuation block on one short side of the sewing frame and the third actuation block on the other short side of the sewing frame are controlled synchronously by the control circuit in such a way that the fifth movable member on the one short side and the fifth movable member on the other short side move in an identical direction.