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:
Jan. 04, 1983
Filed:
Feb. 05, 1981
Ernst Braun, Essen-Heisingen, DE;
Gert Braun, Essen-Heisingen, DE;
Halbach & Braun, , DE;
Abstract
A device for guiding a coal planer having a planer body on a conveyor trough for planing a coal face, comprising, a shaped planer guide secured to a side of the trough facing the coal face having an upper and lower chain channel for receiving a moving chain for moving the planer body. The upper channel is open toward the coal face. The planer guide includes an upper guide rail embraced by a guide claw connected to the planer body. The guide claw has a portion extending into the upper chain channel. The upper guide rail has a vertical track surface and the planer guide has a horizontal track surface spaced from the vertical track surface on an opposite side of the open upper chain channel. Horizontally and vertically mounted rollers are provided in the guide claw for riding against the vertically and horizontally extending track surfaces.