Elevator – industrial lift truck – or stationary lift for vehicle – With barrier for regulating access to load support – Operation variable for emergency – maintenance – or abnormal...
Patent
1997-03-18
1998-03-31
Noland, Kenneth
Elevator, industrial lift truck, or stationary lift for vehicle
With barrier for regulating access to load support
Operation variable for emergency, maintenance, or abnormal...
187335, B66B 1314
Patent
active
057327971
ABSTRACT:
The invention relates to a safety device for gates of lifts and elevators comprising a release device (4) which, when a door of the lift gate is closing and meets an obstruction, causing an excessive resistance to the movement thereof according to a prefixed resistance threshold value, releases the coasters (6) bearing the door from means for moving thereof such as to cause said coasters (6), and in consequence said door, to stop, while said means for moving said door remains activated. The release device (4) is a completely mechanical safety device.
REFERENCES:
patent: 5213182 (1993-05-01), Guckert et al.
Noland Kenneth
Selcom S.p.A.
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