Metal deforming – Tool and/or tool holder – Including flexible or yieldable tool or support
Patent
1999-02-22
1999-09-21
Jones, David
Metal deforming
Tool and/or tool holder
Including flexible or yieldable tool or support
72480, 2924353, B21J 1540
Patent
active
059539526
ABSTRACT:
Disclosed is a hand held micro-adjustable bucking bar anvil having an adjustable threaded spindle for positioning the anvil face to the correct height above the surface of the sheet metal, for shaping new rivet heads to the proper diameter, height, and shape meeting the manufacturer's specifications for riveting sheets of metal together as the riveting process is completed. A further disclosure of this present invention is incorporating a threaded spindle having positioning feet. The positioning feet will maintain the rivet head tolerances as the self-leveling feet reaches the working surface; the feet will align the micro-adjustable bucking bar's horizontal and vertical axis to meet the height, diameter, and shape of the rivet heads. The feet align the bucking bar anvil equally on flat surfaces as well as curved surfaces, while shaping rivet heads. The hand held micro-adjustable bucking bar anvil incorporates a spring-loaded spindle lock for locking the threaded spindle in a desired position on the micro-adjustable bucking bar. This creates a micro-adjustable spindle for easy setting by an inexperienced or experienced bucking bar operator while maintaining the rivet head tolerances to the manufacturing specification.
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