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. 14, 1986
Filed:
Nov. 21, 1984
Koji Fujiwara, Osaka, JP;
Kabushiki Kaisha Takuma, Osaka, JP;
Abstract
The present invention relates to a step type stoker with an oscillation mechanism having: a plurality of stoker frames (2 and 2') which are installed at an interval in the upstream to downstream direction, and at least one of which forms an air supply path (5); reciprocating fire grates (3) each of which is formed with a plurality of fire grate members (8) installed in a step-like manner on a groove-shaped frame (7) equipped with an air path (6) which is in communication with the aforementioned air supply path (5) at all times; and fixed fire grates (4) each of which is formed with a plurality of fire grate members 8 installed in a step-like manner on a groove-shaped frame (7) equipped with an air path (6) which is in communication with the aforementioned air supply path (5) at all times. The fixed fire grates are arranged to be adjacent to and parallel with the aforementioned movable fire grates (3), but are fixed on the aforementioned stoker frames (2 and 2').