Patent 7207139 was granted and assigned to Weyerhaeuser on April, 2007 by the United States Patent and Trademark Office.
A vacuum pick-up device 20 includes a device body 22 having a pick-up tip opening 78 to which vacuum pressure is supplied. The vacuum pick-up device 20 further includes a mechanical release assisting device 36 that assists in the release of a grasped object contemporaneously with or slightly subsequent to the cessation of vacuum pressure. A manifold 38 may be included to efficiently and effectively supply vacuum pressure to the device body 22 from a vacuum pressure source.