Screwjack Lift Problem #7

STAIR TREAD DAMAGE

A ScrewJack lift manual warns...

 "Exert downward preasure to avoid scraping stair tread"

The ominous recomendation above is from a ScrewJack lift owners manual.

The ScrewJack lift manual warns to "avoid scraping the stair tread". In the REAL WORLD, especially in the toeplate down mode, it is very difficult if not impossible to prevent the rail from scraping the step. Stair damage is a common problem with the ScrewJack type lifts. Everything that touches the steps with the Escalera is soft rubber. We have rubber wheels, dual rubber V-belt glide belts, and dual soft polyurethane lifting feet. The glide-belts maintain contact with the step, although they do no lifting they prevent the Escalera from scratching the steps.

     

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