发明名称 Removable sign support system
摘要 A removable sign support system for supporting a sign on the ground includes a substantially upright support post, configured to removably receive a sign post. The support post has a substantially horizontal base affixed to its bottom end, with a plurality of spikes downwardly extending from the base into the ground, and a lifting connection fixedly attached to the support post. A removal device is provided for removing the support post from the ground, and includes a moveable column having a bottom end configured to bear upon the top of the ground near the base of the support post, and a lever arm pivotally attached to the moveable column. The removal device is configured to pull the spikes upwardly out of the ground by engaging the lever arm with the lifting connection and applying a substantially upward force thereon.
申请公布号 US2004206860(A1) 申请公布日期 2004.10.21
申请号 US20030419363 申请日期 2003.04.18
申请人 BOLINDER BRUCE 发明人 BOLINDER BRUCE
分类号 E04H12/22;E04H17/26;G09F7/18;G09F7/20;G09F15/00;(IPC1-7):A45F3/44 主分类号 E04H12/22
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