To provide a coke oven cover capable of being easily opened or closed without the need of moving it, accelerating coking coal near the oven cover and sufficiently gas-sealing for a long period.

This oven cover is provided with a seal plate 10 whose periphery is fixed to a knife edge 11 pressure contacted to an oven frame 13 of a coke oven 1 between a slide plate 6 and refractory 4 so as to cover the whole face of an oven cover body 3, and a freely lockable bolt 15 at a locking part 1a of the oven body 1 energized to the oven outside. The oven cover is supported by an end of a link mechanism having another end connected to a hinge with its fulcrum placed on the oven body 1. A temperature sensor controlling the combustion of a heating burner may be placed inside the refractory 4.