Patent ID: 7249452

Claim:
A cable protection and guide device including: a plurality of link bodies; said link bodies are flexibly connected to each other; each of said link bodies comprises one link plate and another link plate, a connecting arm, an opening/closing arm and a hinge connecting mechanism; each of said link plates includes a lower edge, an upper edge, an upper end portion, an interior and an exterior; said interiors of said connected link bodies form a hollow space; a cable inserted in said hollow space; said connecting arm connects said lower edges of said link plates to each other; said opening/closing arm connects said upper edges of said link plates to each other; said opening/closing arm has a first and a second end; said hinge connecting mechanism is located at said upper end portion of said one link plate and said hinge connecting mechanism is pivotably interconnected to said first end of said opening/closing arm, said opening/closing arm includes a pivot portion; characterized in that a main locking mechanism disengagably secures said link plates together; said main locking mechanism comprises an engagement pin and an engagement piece; said engagement pin is integrally molded in said upper end portion of said another link plate and extends in the longitudinal direction of said chain; said engagement piece is inserted into said second end of said opening/closing arm; said engagement piece is movable from said outside of said another link plate toward said inside of said another link plate along said opening/closing arm; said engagement piece includes an engagement pin insertion groove, engageable with said engagement pin; an auxiliary locking mechanism disengageably locks said opening/closing arm and said other link plate; said auxiliary locking mechanism comprises a protrusion piece insertion groove in said another link plate; said opening/closing arm includes an auxiliary protrusion piece; said protrusion piece insertion groove is integrally molded in said another link plate and opens toward said one link plate; said auxiliary protrusion piece is integrally molded on said second end of said opening/closing arm and said auxiliary protrusion piece is engageably inserted in said protrusion piece insertion groove.