Revolving doors

Details Revolving doors Revolving doors

1983-10-28

1985-12-10

Downey, Kenneth

Movable or removable closures

Arcuate closure rotates across arcuate opening

109 8, 49 42, E06B 324

Patent

active

045570736

ABSTRACT:
The present invention concerns a revolving door device having arcuate screens arranged on diametrically opposite sides of the passage space constituting part of the revolving door closely adapted to the fixed outer walls of the device. Said screens being connected with each other through a partition wall divided up in three sections having the central section openable. The respective outer sections is aligned along a chord of the circular space so that when said screens are in a position for access to the respective passage spaces, a free through path may be obtained from entrance opening to the outer through the openable central section in case of emergency.

REFERENCES:
patent: 841696 (1907-01-01), Lang
patent: 4458447 (1984-07-01), Heige et al.

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