| http://www.w3.org/ns/prov#value | - A bed according to claim 6, wherein said tube has therein an arcuate slot which extends circumferentially thereof, wherein said cylindrical locking part has a pin thereon which extends radially outwardly within said slot, and including resilient, means cooperable with said pin for yieldably urging movement of said pin within said slot in a direction corresponding to movement of said locking part t
|
