Invention Application
US20120148356A1 Extrication Tool 审中-公开
加工工具

Extrication Tool
Abstract:
An extrication tool for enlarging openings or separating, spreading, or breaking apart materials, fastened to different structural geometry. The extrication tool generally includes a threaded conical shape with a wide aggressive thread with separate portions of the conical surface having different thread pitches, increasing from its tip end to its large distal end. In one form, an optional radial flange at the drive end restricts the device from penetrating into the materials acted upon.
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