Closure member for an elevator shaft

Details Closure member for an elevator shaft Closure member for an elevator shaft

1993-09-07

1994-12-20

Olszewski, Robert P.

Elevator, industrial lift truck, or stationary lift for vehicle

With closure means for shaft opening through landing

160 841E, 187900, B66B 1324

Patent

active

053739167

ABSTRACT:
The invention relates to a safety apparatus mounted in the doorway of an elevator shaft to prevent people, animals and objects from falling down into the shaft. The safety apparatus comprises a collapsible safety wall composed of laminae (1) and supported by telescopic bars (2). The bars (2) are inserted through holes provided in the laminae and attached by their ends to separate supporting structures (3) either with or without hinges (4).

REFERENCES:
patent: 584380 (1897-06-01), Loveless
patent: 821201 (1906-05-01), Taylor
patent: 1299556 (1919-04-01), Crecelius
patent: 1321219 (1919-11-01), Laureyns
patent: 1643207 (1927-09-01), Ernst
patent: 1959137 (1934-05-01), Miller
patent: 2780373 (1957-02-01), Westmark
patent: 2911037 (1959-11-01), Wilson
patent: 3425165 (1969-02-01), Cleveland
patent: 4775056 (1988-10-01), Inglis
patent: 4824302 (1989-04-01), Schultheis et al.
patent: 5104269 (1992-04-01), Hardison

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