Elevator safety structure

Details Elevator safety structure Elevator safety structure

1995-06-28

1997-08-12

Noland, Kenneth

Elevator, industrial lift truck, or stationary lift for vehicle

Miscellaneous

182 84, B66B 700

Patent

active

056556284

ABSTRACT:
Disclosed is a safety structure provided on an elevator car for the passengers to escape from the elevator car in case of an emergency that causes the elevator car to stop halfway between two floors. Besides, the safety structure can prevent maintenance technicians or objects from falling down through open entrance door to the base ground of the elevator tunnel when the elevator car is lifted halfway between two floors. The safety structure comprises a plurality of sidepieces secured to the bottom of the car and a series of rungs set between the sidepieces. In another embodiment, each of the plurality of sidepieces comprises a first segment and a second segment retractable into the first segment. In still another embodiment, each of the plurality of sidepieces comprises a chain of segments each linked to with a pivot such that the safety structure is collapsible. Besides, the bottom of each of the sidepieces of the aforementioned last two embodiments is provided with an elastic pad for cushioning against impact.

REFERENCES:
patent: 1977706 (1934-10-01), Watts
patent: 5220979 (1993-06-01), Matsuda

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