Patent ID: 8348081

Claim:
A retractable cover comprising: a leading cover member; and a plurality of following cover members, a first of said plurality of following cover members hingedly coupled to said leading cover member and each of the other of said plurality of cover members hingedly coupled to one adjacent following cover member; and a locking mechanism coupled to said leading cover member, said locking mechanism further comprising: at least one locking rod slidably coupled to said leading cover member; at least one anchor member coupled to said at least one locking rod, said at least one anchor member slidably coupled to said leading cover member; and a coupler coupled to said leading cover member, wherein said coupler comprises: a cylindrical center spacer extending substantially away from said coupler, said center spacer positioned substantially adjacent said at least one anchor member; at least one cylindrical projection extending substantially away from said coupler, said at least one projection slidably coupled to said at least one anchor member; and a string coupled to said center spacer.