Continuous transportation apparatus

B - Operations – Transporting – 66 – B

Patent

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Details

B66B 21/08 (2006.01)

Patent

CA 2147843

Three continuous steps (1, 2, 3) of a transportation apparatus, adjoining in front and in rear, are connected to one another by parallel links, thereby forming one step group (123), so that the tread of each step is horizontal at all times. The step group (123), having reached the terminal end of a first stroke track (01), is delivered from the stroke track (01) onto a carriage (7) in engagement with a guide groove (03) as friction wheels (91, 92) rotate. The step group (123) on the carriage (7) is transversely transferred together with the carriage (7) along a circuit which is formed of the guide groove. Then, as friction wheels (93, 94) rotate, the step group (123) on the carriage (7) is delivered to the starting end of a second stroke track (02), and travels in the opposite direction on the stroke track (02). While this is done, the direction of the one step group itself is not changed.

La présente invention concerne un appareil de transfert continu dans lequel trois marches (1, 2, 3) alignées l'une derrière l'autre sont solidarisées entre elles par des bielles parallèles pour ne former qu'un seul trio de marches (123), les surfaces de ces marches restant horizontales en permanence. Lorsque le trio de marches arrive à l'extrémité terminale des premiers rails à secousses (01), il en sort et arrive sur la table de support (7). Celle-ci est maintenue par la rotation de roues à friction (91, 92) dans une rainure de guidage (03). Le trio de marches (123) disposé sur la table de support (7) est transféré avec la table de support (7) dans le sens latéral, empruntant un couloir de circulation défini par les rainures de guidage (03). Le trio de marches (123) qui se trouve sur la table de support (7) est alors envoyé vers les extrémités de début des deuxièmes rails à secousses (02) grâce à la rotation des roues à frictions (93, 94) et il progresse sur les rails à secousses (02) dans la direction opposée à la direction signalée précédemment. Pendant ce temps, le sens de circulation du trio de marches proprement dit ne change pas.

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