Patent ID: 9321608
Filing Date: 2016-04-26
CPC Classification: B29C,B33Y,B65H

Claim Text:
1. A spool assembly comprising: a housing structure having an interior region; a spool rotatably retained in the interior region of the housing structure, the spool configured to receive a supply of filament; a sealed sheath encasing the housing structure to define a barrier for the encased housing structure, the spool, and the supply of filament; and a locking arm disposed outside of the sealed sheath and configured to operably engage the spool through the sealed sheath and through the housing structure in a manner that does not penetrate the sealed sheath, wherein the locking arm prevents the spool from rotating relative to the housing mechanism when operably engaged with the spool wherein the locking arm comprises: a collarbone member that is moveable relative to the housing structure; a pair of opposing appendages each extending at an angle from the collarbone member; and a pair of contact tips extending from the appendages, the pair of contact tips being the portions of the locking arm that operably engage with the spool.