Overhead door roller

E - Fixed Constructions – 05 – D

Patent

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E05D 15/26 (2006.01)

Patent

CA 2197019

A door roller comprised of a molded plastic wheel and a stainless steel shaft is more resilient to chemical attack. This is an importantconsideration as the door roller may be used, for example, in overhead doors in harsh environments. Furthermore, the molded plastic wheel is self-lubricating, meaning that no lubricating grease need be added. This in turn will improve the free-rolling of the door rollers in the tracks of the overhead doors.

Galet de porte composé d'une roue en plastique moulé et d'une tige en acier inoxydable. Ce galet est plus résistant à l'attaque chimique, ce qui est une considération importante lorsqu'il s'agit de l'installer, par exemple, sur des portes basculantes soumises à des conditions difficiles. En outre, la roue en plastique moulé est autolubrifiante, c'est-à-dire qu'il n'est pas nécessaire d'utiliser de graisse pour la lubrifier. Ce type de galet peut ainsi rouler facilement dans les rails d'une porte basculante.

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