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:
Nov. 22, 1983
Filed:
Apr. 13, 1982
Ferenc Szebenyi, Budapest, HU;
Janos Nemeth, Budapest, HU;
Jozsef Bohnert, Budapest, HU;
Andras Solymos, Tatabanya, HU;
Miklos Petrassy, Tatabanya, HU;
Tamas Kovacs, Tatabanya, HU;
Jozsef Krupanszky, Tatabanya, HU;
Istvan Noll, Tatabanya, HU;
Tatabanyai Szenbanyak, Tatabanya, HU;
Abstract
A self-advancing support apparatus for protecting mine gate crossings, and optionally for engaging the reversing/driving head of a longwall and/or gate conveyor. The support apparatus has at least two side by side desired construction but expediently of a construction identical with that of the support unit at the longwall face to which said unit is connected via a coupling element. Each unit includes a base, a canopy, and connected between them, expediently by articulation, bracing elements as well as advancing elements and holding devices mounted on the base, and if so desired, for advancing the reversing/driving head of the longwall conveyor, a guide track extending in the direction of the gate conveyor, and an actuating/controlling unit. A holding mechanism is provided for engaging the reversing/driving head of the longwall conveyor and has at least two degrees of freedom of movement. An extendible cantilever is connected to the canopy, and at least one device for directional guidance connects the units together and expediently is in the form of a jack.