Machinery slot cover

A slot covering mechanism for an apparatus having a moving carriage and a member connected to said carriage which travels in a slot, said slot being defined by a top member, a bottom member and a pair of side members, each said side members having a connection means extending therefrom and a single slot cover joining said connection means, said connection means for securing said slot cover to said side members, said carriage having a cover guide connected thereto which moves with said carriage, said cover guide causing the connection means to become separated from said slot cover as said cover guide travels along said slot, the portion of the slot cover separated from the connection means being pressed into engagement with the connection means as said cover guide continues to travel along the slot and wherein said carriage has a mast, said mast having a pair of sidewalls that join a rear wall to a front wall, said front wall of the mast having a first member that extends from one sidewall and a second side member that extends from the second sidewall, and wherein the cover guide is generally a plate like member being rectangular in configuration and the cover guide has a support wing on either side of the cover guide separated by a recessed portion in which the cover passes during movement of the carriage.