Staircase lift

Details Staircase lift Staircase lift

1987-01-30

1988-07-12

Rolla, Joseph J.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

182 37, B66B 1712

Patent

active

047563877

ABSTRACT:
A staircase lift includes upper and lower support girders fixedly disposed along stairs, vertical rods disposed between the support girders, inclined support rods fixed on the vertical rods, a load receiver in the form of a platform or a seat with a back panel, the load receiver being movably supporting on the upper and lower support girders, a flat drive housing disposed on the back panel of the load receiver, and a motor-driven drive disposed in the drive housing, the drive including bolts having ends supported in endless grooves formed in the drive housing, a closed endless circle of guide sleeves supported on the bolts, a pair of gear wheels driving the bolts, and a plurality of support rollers equidistantly disposed in the circle of guide sleeves, extending from the drive housing and cooperating with the bolts.

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