A mold latch for mounting on a mold having a first plate , a second plate , and a third plate, the second plate positioned between the first plate and third plate , the mold latch comprising: a latch bar , for attaching to the first plate ; a housing , for attaching to the third plate , including a frame having two sidewalls and an opening through which the latch bar can pass, a traveler , for attaching to the second plate , including two sidewalls received between the two sidewalls of the frame and spaced apart to receive the latch bar between the two sidewalls of the traveler ; and two linear followers , each of the two linear followers coupled to a respective one of the two sidewalls of the traveler , each of the two linear followers translatable, laterally relative to a respective one of the two sidewalls of the traveler , between an active position and an inactive position, in the active position, the latch bar can co-act with the two linear followers to allow the latch bar to translate with the traveler in a first direction, from the second plate towards the first plate , and in the inactive position, the latch bar cannot co-act with the two linear followers to allow the latch bar to translate with the traveler in the first direction, wherein the latch bar includes two driving wedge surfaces , each of the two linear followers includes a driven wedge surface , and the latch bar co-acts with the two linear followers by contacting each of the two driving wedge surfaces with the driven wedge surface of a respective one of the two linear followers , and wherein the latch bar includes two opposite lateral surfaces , on a respective one of which a respective one of the two driving wedge surfaces is located, characterized in that the mold latch further comprising a rotary follower rotatably mounted to the frame , the rotary follower including two lateral side surfaces , each of the two lateral side surfaces for confining a respective one of the two linear followers in the inactive position. a latch bar , for attaching to the first plate ; a housing , for attaching to the third plate , including a frame having two sidewalls and an opening through which the latch bar can pass, a traveler , for attaching to the second plate , including two sidewalls received between the two sidewalls of the frame and spaced apart to receive the latch bar between the two sidewalls of the traveler ; and two linear followers , each of the two linear followers coupled to a respective one of the two sidewalls of the traveler , each of the two linear followers translatable, laterally relative to a respective one of the two sidewalls of the traveler , between an active position and an inactive position, in the active position, the latch bar can co-act with the two linear followers to allow the latch bar to translate with the traveler in a first direction, from the second plate towards the first plate , and in the inactive position, the latch bar cannot co-act with the two linear followers to allow the latch bar to translate with the traveler in the first direction, wherein the latch bar includes two driving wedge surfaces , each of the two linear followers includes a driven wedge surface , and the latch bar co-acts with the two linear followers by contacting each of the two driving wedge surfaces with the driven wedge surface of a respective one of the two linear followers , and wherein the latch bar includes two opposite lateral surfaces , on a respective one of which a respective one of the two driving wedge surfaces is located, characterized in that the mold latch further comprising a rotary follower rotatably mounted to the frame , the rotary follower including two lateral side surfaces , each of the two lateral side surfaces for confining a respective one of the two linear followers in the inactive position. <EOS>