Patent ID: 6227344
Filing Date: 2001-05-08
Classification: B65G,B66B

Abstract:
A connecting device for transport chains for the support and entrainment of plates for moving walkways or of steps for escalators, wherein the transport chains consist of two chain runs which are arranged to be parallel and are joined together at a transverse spacing by connecting tubes, the transport chains comprising chain links, support rollers, and chain pins which are constructed as support roller axles with axle stubs, and wherein the connecting device firmly retains the axle stubs which are pushed into the connecting tubes, the connecting device comprising: a spring clip, at least one slot in the connecting tube, and a circular recess in the axle stub, said at least one slot and said circular recess being aligned when the axle stub is fully pushed into the connecting tube, the spring clip having means to engage the circular recess through the slot in a snap fit when the axle stub is pushed in.