Patent ID: 8286947

Claim:
A pulley apparatus comprising: a drum having a central axis mounted between two side plates for receiving a rope passing around the drum, the drum defining a cylindrical surface for receiving a line; a rope guide disposed on an underside of the pulley apparatus adjacent the drum and passing over the cylindrical surface for inhibiting overrun of the line as the line is guided to wrap around the cylindrical surface of the drum, the rope guide including, a pair of curved blades, each curved blade extending from an associated one of the two side plates, the pair of curved blades bowing out towards a center of the drum to define a convergent wasp-waisted passage for the line to pass through; and a second sheave is mounted to the pulley apparatus by at least one arm the at least one arm coupled to an associated one of the two side plates, the at least one arm spacing the second sheave from the rope guide and drum.