Elevator shaft door

Details Elevator shaft door Elevator shaft door

2007-06-19

2007-06-19

Crawford, Gene (Department: 3654)

Elevator, industrial lift truck, or stationary lift for vehicle

With barrier for regulating access to load support

Including barrier mounted at landing

C187S333000, C049S025000, C049S366000, C049S501000, C049S116000, C049S120000, C052S030000, C052S784110

Reexamination Certificate

active

10748402

ABSTRACT:
An elevator shaft door having a door panel composed of a front wall and rear wall, which walls are connected together by a thermally releasable material, wherein at least a part of the closing edge of the respective door panels consists of a profile member that is formed by the back wall or thermally non-detachably fastened to the back wall. In the case of a fire, the back wall separates from the front wall through release of the thermally releasable material, wherein the front wall curves by heat effect while the back wall with the closing edge retains the original shape.

REFERENCES:
patent: 0 479 239 (1992-04-01), None
patent: 1 083 290 (2001-03-01), None

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