Chain replacement apparatus

A chain replacement apparatus, comprising:

• a body seat having an inner lateral face, with a first protrusion portion and a second protrusion portion disposed on two sides of the inner lateral face, respectively, a combination bore passing through the first protrusion portion, the combination bore defining an operation axis, the inner lateral face comprising a housing portion, the housing portion defining an action axis, the operation axis and the action axis being arranged in perpendicular;
• an operation assembly rotatably passing through the combination bore along the operation axis;
• and
• a repair block rotatably disposed on the body seat and slidable with respect to the action axis, the repair block selectively positionable into a removing status, a combining status, and a riveting status, so as to alternatively break a chain, press inner and outer chain plates of the chain, and rivet the chain through the operation assembly, the repair block comprising a connection portion connected with the housing portion, the repair block switchable between a first position and a second position;
• when the repair block is at the first position, the repair block is positioned on the body seat;
• when the repair block slides from the first position to the second position along the action axis, the repair block rotates about the action axis to be switched among the removing status, combining status, and the riveting status.