Adjustable guide rail apparatus for independently adjusting positions of first and second guide rails disposed respectively on opposite sides of the path of a conveyor

Adjustable guide rail apparatus for independently adjusting positions of first and second guide rails disposed respectively on opposite sides of a path of a conveyor, for guiding articles along said path, comprising:

• first and second elongated members to be disposed respectively in parallel and along outward surfaces of said first and second guide rails, each of said members being provided with threaded sections along its length, said members being provided respectively with first and second handles at one of their extremities so that said members can be rotated by a user;
• first and second support means for supporting respectively said members in parallel to and along said outward surfaces, each of said support means including several bodies, each of said bodies having a first channel providing a passage to and supporting the corresponding elongated member along its length in such a way that said member can be rotated, and fixing means for fixing each of said bodies onto said conveyor so that said members can be fixed with respect to said conveyor, each of said support means having certain of their bodies provided with a second channel that is transversal and adjacent to the corresponding first channel, said certain bodies being located at threaded sections of said members;
• first and second locking means operatively associated with said first and second members respectively for preventing rotation thereof, each of said locking means being provided with a handle so that said members can be locked in desired positions by said user;
• and
• rods respectively associated with said certain bodies, each of said rods having an end that can be fixed onto the corresponding guide rail, and a threaded portion along its length, said rods being inserted into the corresponding second channel so that each of said rods can slide along the corresponding second channel and so that its threaded portion can be engaged with the threaded section of the corresponding elongated member;
• whereby said user can independently adjust said first and second guide rails by rotating said handles of said first and second elongated members, and lock said guide rails in desired positions by means of said handles of said first and second locking means.