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US Patent 10239274 Intersecting die lifting system

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Is a
Patent
Patent

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
10239274
Date of Patent
March 26, 2019
Patent Application Number
15535165
Date Filed
August 4, 2015
Patent Citations Received
‌
US Patent 11787643 Diverting equipment
‌
US Patent 11685613 Diverting equipment
3
Patent Primary Examiner
‌
Gene O Crawford
Patent abstract

A pneumatic die transfer system for a press machine comprises at least two primary roller rails and at least two secondary roller rails set in respective T-slots in a bolster. The primary roller rails are perpendicular to the secondary roller rails. Airbags below each roller rail are selectively inflated to elevate either the primary or the secondary roller rails above the bolster face. The secondary roller rails each have a plurality of discontinuities configured to receive the primary roller rails and their associated airbags in an intersecting fashion. As a result, the bolster can be easily fabricated with intersecting T-slots and relatively few roller rails are needed to achieve fully orthogonal conveyance of a heavy die over the face of a bolster.

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