US Patent 7533843 Reciprocating mechanism for a reel assembly

A reel assembly comprises a drum configured to rotate about a drum axis. The drum is configured to receive a linear material wrapped around a spool surface thereof as the drum rotates about the drum axis. A housing substantially encloses the drum, wherein a portion of the housing defines an aperture configured to receive the linear material therethrough. A reciprocating mechanism connects to the drum and reciprocatingly rotates the drum relative to the shell about a generally vertical axis as the drum rotates about the drum axis.