Patent ID: 6860378
Filing Date: 2005-03-01
Classification: B65G

Abstract:
1. A conveyor belt scraper tensioning device including: an elongate tubular support member mounted to at least partially rotate about a first axis, the tubular member being defined by an outer wall radially spaced apart from the first axis and having a scraper blade bracket located on the outer wall for securing a scraper blade thereto; a torsion bar located substantially within the tubular member along the first axis for imparting a torsional bias to the support member, the torsion bar having a first portion connected to the support member and a further portion spaced apart from and at least partially rotatable relative to the support member, and a lever member connected to the further portion of the torsion bar at a location spaced apart from the first portion for imparting torsional bias on the torsion bar, wherein the tubular member has first and second ends, the first portion of torsion bar being connected to the tubular member near the second end of the tubular member, the lever member being connected to an end of torsion bar that extends beyond the first end of the tubular member.