Package conveyors with package timer escapement mechanism

Claim 1

PACKAGE CONVEYING APPARATUS COMPRISING AN IMPUT CONVEYOR ON WHICH PACKAGES ARRIVE IN RANDOM ORDER AND AN OUTPUT CONVEYOR BY WHICH PACKAGES ARE DISCHARGED AT SPACED INTERVALS, CHARACTERIZED BY PACKAGE TRANSFER ESCAPEMENT MEANS INTERMEDIATE SAID INPUT AND OUTPUT CONVEYORS FOR TRANSFERRING PACKAGES FROM THE INPUT TO THE OUTPUT CONVEYOR IN TIMED RELATION TO THE OUTPUT CONVEYOR, SAID ESCAPEMENT MEANS COMPRISING: (A) A CONTINUOUSLY RUNNING TRANSFER CONVEYOR INTERMEDIATE SAID INPUT AND OUTPUT CONVEYORS, (B) A PACKAGE ELEVATOR FOR LIFTING PACKAGES OFF SAID TRANSFER CONVEYOR. (C) SAID ELEVATOR HAVING A STOP PROXIMATE SAID INPUT CONVEYOR PROVIDING AN ABUTMENT AGAINST WHICH ONCOMING PACKAGES ARE HELD AGAINST MOVEMENT ONTO SAID TRANSFER CONVEYOR WHILE SAID ELEVATOR IS ELEVATED AND WHICH RELEASES SAID PACKAGES WHEN THE ELEVATOR IS RETRACTED, AND (D) A FIXED STOP PROXIMATE SAID OUTPUT CONVEYOR TO WHICH THE TRANSFER CONVEYOR ADVANCES PACKAGES FOR ABUTMENT THEREAGAINST AND ABOVE WHICH THE ELEVATOR LIFTS SAID PACKAGES WHEN IT IS FULLY ELEVATED.