Patent ID: 8720070

Claim:
A device for peeling a pipe, comprising: (A) a body; (B) a blade attached to said body; (C) a chain; (D) a first fastener, wherein said first fastener is operable to attach a first point on said chain to said body; (E) a chain tightener, wherein (1) said chain tightener includes a second fastener, and wherein said second fastener is operable to attach a second point on said chain to said body, and (2) wherein said chain tightener is operable to reduce any a distance between said second point and said body when said second point is attached to said second fastener, wherein said chain between said first and second points defines a helix when said first and second points are attached to said first and second fasteners respectively and when every point on said chain between said first and second points is extended a maximum average distance from all other points on said chain that are between said first and second points.