Device for removing coke oven chamber door

Claim 1

A device for removing in a block of ovens chamber doors of the type including a locking mechanism pressing the door against a door frame surrounding an outlet opening of an oven chamber and including removing latches, said device comprising: a supporting structure adapted to be fixedly positioned adjacent a block of oven chambers, said supporting structure having thereon rails extending substantially parallel to the oven block; a traverse member suspended from said rails and movable along said rails in a direction substantially parallel to the oven block; a frame suspended from said traverse member and movable therealong toward and away from each oven chamber in a direction substantially perpendicular to that of the traverse member; a door support pivotally suspended from said frame about a horizontal axis extending substantially parallel to said oven block; door removing jaws displaceably mounted on said door support; first drive means, mounted on said door support, for moving said jaws into engaging contact with removing latches of a chamber door of the chamber oven; second drive means, mounted on said door support, for locking or unlocking a door locking device of said chamber door, said second drive means being operable independently of said first drive means; and third drive means, mounted between said frame and said door support, for pivoting said door support and a removed door supported thereby about said horizontal axis toward and away from the chamber opening, said third drive means being operable independently of said first and second drive means.

Claim 2

A device for removing in a block of ovens chamber doors of the type including a locking mechanism pressing the door against a door frame surrounding an outlet opening of an oven chamber and including removing latches, said device comprising: a supporting structure adapted to be fixedly positioned adjacent a block of oven chambers, said supporting structure having thereon rails extending substantially parallel to the oven block; a traverse member suspended from said rails and movable along said rails in a direction substantially parallel to the oven block; a frame suspended from said traverse member and movable therealong toward and away from each oven chamber in a direction substantially perpendicular to that of the traverse member; a door support pivotally suspended from said frame about a horizontal axis extending substantially parallel to said oven block; door removing jaws displaceably mounted on said door support; first drive means, mounted on said door support, for moving said jaws into engaging contact with removing latches of a chamber door of the chamber oven; second drive means, mounted on said door support, for locking or unlocking a door locking device of said chamber door, said second drive means being operable independently of said first drive means; and third drive means, mounted between said frame and said door support, for pivoting said door support and a removed door supported thereby about said horizontal axis toward and away from the chamber opening, said third drive means being operable independently of said first and second drive means.