Active slide for the doors of lifts' cabins

Details Active slide for the doors of lifts' cabins Active slide for the doors of lifts' cabins

2005-11-03

2008-08-19

Mackey, Patrick (Department: 3653)

Elevator, industrial lift truck, or stationary lift for vehicle

With barrier for regulating access to load support

Includes motor or motor driven linkage for shifting barrier

C187S324000, C187S331000, C187S333000

Reexamination Certificate

active

07413058

ABSTRACT:
An active slide (10) for doors of lifts' cabins, comprising a linearly developing blade, vertically oriented, featuring respective ends folded according to the same angle, connected in an articulated manner with a carriage (12) connected to a driving engine by means of a cogged belt (14) and a lever (16) through elastic means (20), said slide cooperating with a balancing hook (18) and an unlock lever (22); the unlock lever (22) is operatively connected to electrically activating means (24) provided with a cam (26) or the like for striking the free end of the lever itself.

REFERENCES:
patent: 1842806 (1932-01-01), Shonnard et al.
patent: 3405782 (1968-10-01), Berkovitz et al.
patent: 3556257 (1971-01-01), Caputo et al.
patent: 3783977 (1974-01-01), Voser
patent: 5174417 (1992-12-01), Pilsbury
patent: 5246089 (1993-09-01), Husmann et al.
patent: 6164417 (2000-12-01), Oberleitner
patent: 6173815 (2001-01-01), Mittermayr
patent: 6340073 (2002-01-01), Lee et al.
patent: 7100745 (2006-09-01), Bisang et al.

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