Patent ID: 6253684
Filing Date: 2001-07-03
Classification: B61B

Abstract:
A stop mechanism for a conveyor system having a trolley riding on a track and including a trolley dog normally engaged by a drive dog of a drive member to propel the trolley along the track, said stop mechanism comprising:a frame;a ramp member mounted on said frame for movement between a first position wherein an inclined ramp surface of said ramp member is positioned in the path of said trolley dog to engage the trolley dog and disengage it from said drive dog, and a second position wherein said trolley dog can pass said ramp member;a cam plate mounted on said frame for pivotal movement, said cam plate having a cam slot therein;a cam element received in said cam slot for movement therein when said cam plate is pivoted;a power actuator connected to pivot said cam plate to effect movement of said cam element in said cam slot;a connection between said cam element and ramp member effective to move said ramp member between the first and second positions thereof in response to movement of said cam element in said cam slot,a guide slot in the frame; anda guide member received in said guide slot for movement therein, said guide member being connected with said cam element for movement in the guide slot in response to movement of said cam element in the cam slot,said guide member being connected with said ramp member to effect movement thereof between said first and second positions in response to movement of said guide member in said guide slot.