Importance

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Abstract

A latch assembly is disclosed for latching a leveling door used to close a leveling rod opening which is surrounded by a seal in a leveling box at the upper portion of a coke-oven door. The latching assembly includes spaced apart side flanges connected together at one of their ends by a cross web. The opposite ends of the flanges carry a rod which, in one embodiment, engage claws on arms extending from the leveling box and in a second embodiment the is pivotally connected with arms extending from the leveling box. In the first embodiment, an arm extends from a leveling door and forms a pivotal connection with retaining members that are in turn, secured to a spring plate. In the second embodiment, the arm extending from the leveling door has a claw which can releasably engage the pin supported by the retaining member in all embodiments between the spring palate and the cross web there is a compression spring and a pin which extends through the spring plate where the extended end portion is provided with a nut forming a stop member.

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First Claim