A spring alignment mechanism utilizes a guide inserted into a display carton below merchandise items. A spring-driven rear pull member travels on the guide so that as items are removed from the carton, remaining items are pulled forward. Merchandise items with rounded edges may rest on the directly on...http://www.google.ca/patents/US20070194037?utm_source=gb-gplus-sharePatent US20070194037 - Spring driven method and apparatus for in-carton display and fronting of merchandise items