Patent ID: 8684061

Claim:
A cover for restricting access to a manway to a confined space area comprising: a one-piece base cover having a exterior surface and an interior surface, said cover including an innermost portion having a first diameter and a peripheral outermost portion having a second diameter, said peripheral outermost portion having formed therein a peripherally extending channel, said peripherally extending channel having a channel opening; a strap received in said channel, said strap having a first end and a second end, said first and second ends extending out of said channel opening, whereby when said first end of said strap and said second end of said strap are pulled out of said channel opening of said channel, the second diameter of said peripheral outermost portion of said cover becomes smaller than the first diameter of the innermost portion of said cover; at least one eyelet in said first end of said strap and a plurality of spaced eyelets in said second end of said strap.