A bed-tent provides an enclosure over a mattress. The tent forms a canopy having panels each with a resilient, strip frame member and a sheet of flexible fabric. Retainers secure the canopy on the mattress. In some forms, a frame member disposed externally of the canopy helps to hold the panels and canopy...http://www.google.com/patents/US7392555?utm_source=gb-gplus-sharePatent US7392555 - Bed-tent
