Outside up-down elevator

Details Outside up-down elevator Outside up-down elevator

1998-04-16

2000-01-04

Noland, Kenneth W.

Elevator, industrial lift truck, or stationary lift for vehicle

Mounted on exterior of building

182142, B66B 900

Patent

active

060099798

ABSTRACT:
An outside up-down elevator, designed to be smoothly and safely raised without an initial downward movement when the outside up-down elevator is restarted in an ascending direction after it is temporarily stopped during an operation, is disclosed. In the outside up-down elevator, a seat frame is moved upward or downward under the guide of two ropes, thereby allowing a worker to work safely and stably without having any intervention between the ropes and the worker. The outside up-down elevator also has a constant speed control means, thus stably and safely descending at a constant speed. Two side walls, respectively enclosing first and second control units, are hinged to both side edges of the seat frame and so the outside up-down elevator can be fully folded suitable for being transported by a user. It is also possible to manually adjust horizontality of the seat frame using two adjusting gears without disassembling the outside up-down elevator.

REFERENCES:
patent: 3586125 (1971-06-01), Durand
patent: 4225012 (1980-09-01), Hindle
patent: 5203265 (1993-04-01), Nii et al.

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