Patent ID: 7975464

Claim:
A guide rail for a cable protection and guide device, comprising: a pair of aluminum rails, said pair of rails suppresses lateral run out of said cable protection and guide device; said cable protection and guide device extends between a fixed end and a movable end in a longitudinal direction; said cable protection and guide device includes a plurality of link frames, each said link frame comprises a pair of right and left spaced link plates; said plurality of link frames are articulately connected to each other in a longitudinal direction enabling said pairs of said right and left side plates to form a flexional circumferential bend having a flexional inner circumferential side and flexional outer circumferential side; each of said pairs of said right and left side plates includes a flexional inner circumferential side residing during bending on said flexional inner circumferential side of said bend; each of said pairs of said side plates includes an outer circumferential side residing during bending on said outer flexional circumferential side of said bend; connecting rods, said connecting rods are respectively bridged over said flexional outer circumferential side and said flexional inner circumferential side of said link plates; said aluminum rails include dovetail grooves; said dovetail grooves are formed in opposite surfaces of said pair of aluminum rails and extend longitudinally; a plurality of resin rollers, each of said resin rollers being supported by a shaft and a shaft supporting member, said shaft supporting member engaged with said dovetail rail, and, said shaft supporting member movable in said longitudinal direction.