Universal Joint

Abstract

The present disclosure relates to a universal joint capable of maintaining an angular difference and a firm connection between a driving shaft and a driven shaft for complete power transmission by using only coupling members provided on an end of the driving shaft and a corresponding end of the driven shaft without the need for additional connection members. The universal joint includes a driven shaft including a first shaft portion and a joint key portion provided on an end of the first shaft portion, the joint key portion including a joint body and a joint arm protruding from the joint body; and a driving shaft including a second shaft portion and a joint holder portion provided on an end of the second shaft portion to correspond to the joint key portion, the joint holder portion including a body accommodation portion into which the joint body of the driven shaft is insertable, an arm slot into which the joint arm of the driven shaft is insertable, and a shaft slot into which the first shaft portion of the driven shaft is insertable.

Dependencies are inferred from the claim text.