Upper feed device

An upper feed device comprising:

• a main body portion configured to be mounted to a presser bar of a sewing machine, the main body portion having an upper feed dog, a first mounting portion, and a second mounting portion, the upper feed dog being configured to convey an object to be sewn in conjunction with up and down movement of a needle bar of the sewing machine, the first mounting portion having a first groove opening downward, and the second mounting portion having a second groove opening downward, and
• a presser foot configured to be detachably mounted to the main body portion, the presser foot having a presser plate, a first opposing portion, a second opposing portion, a first pin, a first protruding portion, a second pin, and a second protruding portion, an opening through which the upper feed dog is inserted being formed in the presser plate, the first opposing portion extending upward from the presser plate on one side of the opening in the lateral direction of the opening, the first pin protruding on a side with the opening from the first opposing portion, and being configured to rotatably fit into the first groove of the first mounting portion, the first protruding portion protruding on the opposite side to the side with the opening from the first opposing portion, the second opposing portion extending upward from the presser plate on other side of the opening, in the lateral direction of the opening, and facing the first opposing portion, the second pin protruding on a side with the opening from the second opposing portion, and being configured to rotatably fit into the second groove of the second mounting portion, the second protruding portion protruding on an opposite side to the side with the opening from the second opposing portion.