US Patent 7216564 Machinery slot cover

A slot cover for an apparatus, the apparatus having a moving carriage and a member connected to the carriage which travels in a slot. The elongated hollow member is defined by a top member, a bottom member and a pair of side members. Each side member has a connection member extending therefrom and a slot cover joining the connection member. The carriage has a cover guide connected thereto which moves with the carriage. The cover guide causes the connecting member to become separated from the slot cover as the cover guide travels along the slot. The separated portion of the slot cover is pressed into engagement with the connection member as the cover guide continues to travel along the slot.