Mechanical security device for elevators used between two levels

Details Mechanical security device for elevators used between two levels Mechanical security device for elevators used between two levels

1996-04-16

1999-01-05

Noland, Kenneth

Elevator, industrial lift truck, or stationary lift for vehicle

With barrier for regulating access to load support

Including barrier mounted at landing

187313, B66B 1312

Patent

active

058552537

ABSTRACT:
This invention relates to a security device for an elevator which operates between two levels, comprised of a cabin (1) closed by a swinging door (2) which opens to the exterior, the cabin (1) moving by translational vertical motion from a lower level up to a booth (3), situated at the upper level and comprising a guard rail (4) closed by a swinging landing door (5) which is normally locked, opening toward the exterior of the cabin (1) by means of an articulation situated on the same side as the door (2) of the cabin (1), the elevator being characterized in that it is provided with means, although all of passive and entirely mechanical type, conditioning the translational vertical movement of the cabin (1) between the two levels, and the locking and unlocking of doors (2) and (5) at these levels.

REFERENCES:
patent: 5584365 (1996-12-01), Tonna

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