Elevator

Details Elevator Elevator

1984-03-23

1987-05-12

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

187 94, 187 95, B66B 100

Patent

active

046642307

ABSTRACT:
A convenience elevator that encompasses dumbwaiter and residential elevator applications wherein the entire elevator assembly is mounted to a wall of the elevator shaft. The elevator carriage is provided with sliding guides of high strength low friction polymer that slide in channels provided in vertical guide rails. A guide line fixes the relative position of the carriage and counter weight and a separate drive line controlably drives the carriage up and down in the shaft. Safety switches and brakes provide for efficient operation and the entire structure is designed for economical installation and operation.

REFERENCES:
patent: 1073700 (1913-09-01), Neenan
patent: 1270716 (1918-06-01), Flannery
patent: 1566491 (1925-12-01), Lindquist
patent: 1702783 (1929-02-01), Kiesling
patent: 1814610 (1931-07-01), Stevelman
patent: 1924320 (1933-08-01), James
patent: 2345650 (1944-04-01), Attwood
patent: 2964272 (1960-12-01), Olson
patent: 3039725 (1962-06-01), Kerley, Jr.
patent: 3249179 (1966-05-01), Borgman
patent: 3845842 (1974-11-01), Johnson
patent: 3880258 (1975-04-01), Rompa
patent: 4488844 (1984-12-01), Baubles

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