The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 07, 1987
Filed:
Sep. 26, 1985
Manfred Friedrichs, Essen, DE;
Michael Bohm, Bochum, DE;
Dr. C. Otto & Comp. G.m.b.H., Bochm, DE;
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.