A method of forming tapered channels for scissors jack
AssigneeUniversal Tool & Stamping Co., Inc.
InventorDarryl L. Engel
Life of this patent
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Abstract
A method of forming a tapered channel for a jack which uses less material comprising forming curved openings in the center portion of the channel and then stretching the middle portion of the channel so that it is tapered to produce a tapered channel.
Claims4
A method of forming a tapered channel for scissors jacks, comprising the steps of cutting from a rectangular blank a channel form which has first and second sides and a center portion, forming a plurality of adjacent openings in said center portion which are separated by curved strap portions, clamping said first and second sides and pulling said first and second sides apart so as to form said center portion into a tapered form, and bending said first and second sides so that they are at right angles to said center portion.
Dependencies are inferred from the claim text.