E - Fixed Constructions – 05 – D
Patent
E - Fixed Constructions
05
D
E05D 15/06 (2006.01) B66B 13/30 (2006.01) E05F 5/00 (2006.01) E05D 15/56 (2006.01)
Patent
CA 2052573
12 9348 ABSTRACT OF THE DISCLOSURE A runner guide for an elevator door includes a ramp member at an end of travel position along a guide rail for engaging a roller attached to the door and running on the guide rail. The roller has a rim disc which engages a surface on the ramp member to move an insert in the roller out of engagement with the rail thereby relieving the load on and preventing flattening of the running surface on the insert when the door is at rest. The insert is formed of a non-metallic and hard elastic material to reduce running noise. The door is supported by a pair of such rollers, each having a pair of rim discs, and one roller is asymmetric with one of the rim discs being of a smaller diameter to move past the ramp member associated with the other roller without contact during opening and closing of the door.
Ag Inventio
Riches Mckenzie & Herbert Llp
LandOfFree
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