Triple-wrap traction arrangement

Details Triple-wrap traction arrangement Triple-wrap traction arrangement

1986-06-03

1988-06-28

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

254390, B66B 1104

Patent

active

047533226

ABSTRACT:
A traction elevator rope (4) is helically wrapped about at least 360.degree. of the periphery of a drive sheave (2) to provide sufficient traction for low-speed elevator operations without excessive wear or seizing and to provide sufficient traction in high-speed elevator operations without excessive wear or high drive sheave loading.

REFERENCES:
patent: Re4269 (1871-02-01), Otis
patent: 31128 (1861-01-01), Otis
patent: 418051 (1889-12-01), Newton
patent: 482054 (1892-09-01), Zoschnick
patent: 1279253 (1918-09-01), Carey
patent: 3332665 (1967-07-01), Bruns

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