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:
Dec. 13, 1994
Filed:
Mar. 23, 1993
Andrzej Niklewski, Sao Paulo, BR;
Fabrica de Aco Paulista Ltda., Sorocaba, BR;
Abstract
A belt conveyor roller includes a main shaft (2a); a pair of rolling bearings (3) mounted next to the ends of the main shaft (2a); a cylindrical tubular body (4), surrounding the main shaft (2a) and incorporating, inside each opposite end, a cylindrical tubular sleeve (5), having a smaller diameter and being seated on the external path of the respective rolling bearing (3); and a sealing element (50) concentrically disposed in relation to the main shaft (2a), at each end of the latter that is external to a respective rolling bearing (3), wherein an external edge (51a) is attached to the cylindrical sleeve (5), and wherein an internal free edge (52b) is in permanent contact with the surface of a shaft end portion with reduced diameter.