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This monograph presents issues of developing and justifying the parameters of the needle mechanism with an elastic element of universal sewing machines. The results of the theoretical and experimental studies of the needle mechanism with elastic energy storage devices were set forth and substantiated, the dynamics of the machine unit with a needle mechanism with a elastic element and experimental studies of the needle mechanism with an elastic connection are considered. In addition, recommendations have been developed based on the results of the calculation of economic efficiency from the use of an elastic energy drive in the sewing machine.