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专利名称：Printed springs and method of manufacture发明人：Alexander Rankin, VI申请号：US08/795869申请日：19970206公开号：US05743428A公开日：19980428
摘要：A spring to operate a merchandise dispenser used for storing and dispensing aplurality of like items of merchandise. The dispenser utilizes a metal spring having indiciaimprinted or engraved thereon to provide both a biasing force to the merchandise andinventory information. A method is provided for producing a metal spring having indiciaprinted in ink or paint.
申请人：VULCAN SPRING & MFG. CO.
代理机构：Howson and Howson
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