Retractable roller mechanism

专利名称：Retractable roller mechanism发明人：Hema Cherukuri申请号：US09681684申请日：20010521公开号：US073935B1公开日：20021105

专利附图：

摘要：An improved retractable roller mechanism and method for statically supportingan item upon a support surface in an inoperative state and supporting the item to rollalong the support surface in an operative state. The retractable roller mechanismincludes a housing a roller frame that is slideably engaged with the housing a spring and

a roller The roller frame has reciprocative movement relative to the housing such thatthe frame has an inoperative position state where the frame is retracted allowing thehousing to rest on and statically contact the support surface and an operative positionstate where the frame is extended such that the housing is not in contact with thesupport surface allowing the item to roll along the support surface

申请人：CHERUKURI HEMA

代理人：Roger A. Jackson

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