Importance

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Abstract

A setting key for attaching a plane iron to a tapering plane at a specific desired tapering angle, the setting key comprising: a first edge shaped to fit into a setting key function slot with an opening along a circumference of a mortise of the tapering plane; and a second edge positioned opposite to the first edge, wherein when the setting key is inserted into the setting key function slot: the first edge is nested in the setting key function slot, and the second edge protrudes into and radially bisects the mortise of the tapering plane, such that the second edge provides a surface spaced from the mortise edge and positioned at an orientation that differs from a mortise longitudinal axis by the specific desired tapering angle to hold the plane iron so that it is configured to be attached to the tapering plane at the specific desired tapering angle.

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First Claim