Escapement assembly for workpieces

Claim 1

IN COMBINATION, A GRAVITY CHUTE HAVING A PAIR OF SIDE WALLS AND A BEARING STRIP SPACED BETWEEN THE SIDE WALLS AND HAVING ITS UPPER EDGE SPACED BELOW THE UPPER EDGES OF THE SIDE WALLS FOR SUPPORTING WORK PIECES GRAVITATING DOWN THE CHUTE, AN ESCAPEMENT FOR SAID WORK PIECES AND A PLATE HAVING MEANS THEREON FOR SECURING IT IN VERTICAL POSITION AGAINST THE OUTER FACE OF ONE OF THE SIDE WALLS OF THE CHUTE, SAID ESCAPEMENT INCLUDING A LIFTER ARM PIVOTALLY SUPPORTED ON SAID PLATE IN SPACED RELATION TO THE INNER SIDE OF SAID PLATE SUCH THAT THE ARM IS ADAPTED TO PIVOT ABOUT A HORIZONTAL AXIS UPWARDLY BETWEEN THE BEARING STRIP AND ONE OF SAID SIDE WALLS, THE PIVOTAL SUPPORT FOR SAID ARM BEING LAOCATED ON THE PLATE BELOW THE SIDE WALLS OF THE CHUTE, A STOP, MEANS MOUNTING SAID STOP ON THE INNER FACE OF SAID PLATE IN SPACED PARALLEL RELATION THERETO SO AS TO PROJECT UP BETWEEN THE BEARING STRIP AND ONE SIDE WALL OF THE CHUTE AND THEREBY HALT WORK PIECES TRAVELLING DOWN THE CHUTE, SAID ARM AT ITS FREE END EXTENDING PAST THE STOP WHEREBY WORK PIECES TRAVELLING DOWN THE CHUTE ARE ARRESTED WHEN THEY ABUT THE STOP AND IN THE ARRESTED POSITION OVERLIE THE FREE END OF THE LIFTER ARM AND MOTOR MEANS MOUNTED ON SAID PLATE FOR OSCILLATING THE ARM FROM A POSITION WHEREIN ITS FREE END IS BELOW THE UPPER EDGE OF THE BEARING STRIP TO A POSITION WHEREIN ITS FREE END IS ABOVE THE UPPER END OF SAID STOP.