Sound preventive device for use in elevator

Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support

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Details

B66B 1102

Patent

active

039454681

ABSTRACT:
A sound preventive device for use in an elevator including: a skirt extending from the lower edge of the sill of a cage of an elevator and having a length greater than the difference between the height of the floor and the height of the cage and a width substantially the same as that of the cage; and guide plates which extend upwards and downwards respectively from the rear plate of the cage, the aforesaid guide plates having widths substantially the same as that of the rear plate, whereby abrupt changes in air developing above and below the cage may be minimized by means of the skirt and guide plates.

REFERENCES:
patent: 1406951 (1922-02-01), Fehr
patent: 2300630 (1942-11-01), Norton
patent: 2463215 (1949-03-01), Strachan
patent: 3051269 (1962-08-01), Guilbert
patent: 3707205 (1972-12-01), Gibson
patent: 3822767 (1974-07-01), Lowry

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