Lift and pivot device for a cover of a furnace and furnace system and method for charging and servicing such a furnace system

A lift and pivot device comprising

• a guide housing having a base plate, a rotatably mounted slide roller and a vertical opening,
• a lift pin which can be lifted and lowered inside the vertical opening in the guide housing,
• a lift cylinder to lift and lower the lift pin, the lift cylinder being connected at one end in articulated fashion to the lift pin and at another end in articulated fashion and rotatably to the base plate, and
• a guide frame to carry a cover of a furnace, the guide frame including a support arm having a first end and a second end, the first end being an upper end of the support arm and being equipped for connection to the cover, the first end including a lift nose having a lift eye which can be engaged with an end of the lift pin facing away from the lift cylinder;
• and
• a slide plate at the second end of the support arm,
• wherein a lateral face of the slide roller rolls on the slide plate during the lifting and lowering of the lift cylinder,
• wherein the slide roller connects the guide housing to the guide frame such that movement of the guide frame with respect to the guide housing is via the slide roller.