Revolving Door Locking Mechanism

Overhead doors are counter balanced with springs or weights.

Revolving door locking mechanism.

Note the construction of the door and the locking mechanism. Us4970825a collapsing mechanism for revolving doors google patents. Infiltration through a revolving door except for a small amount passing though the door seals is virtually not affected by building height indoor outdoor pressure difference and fan operation. Using revolving doors people can enter and exit high traffic buildings with ease without needing to pull a lever or twist a knob.

Revolving doors have four panels that may collapse upon themselves to open an egress point older doors may not. International revolving door offers replacement parts for all of our revolving doors in service today. The door leaves then pivot around a vertical axis within a partial cylindrical drum. Either can fail under high heat conditions and trap firefighters.

Saturn locks 4 brushed chrome 8 polished chrome 4 brushed bronze 8 polished bronze. A revolving door including a plurality of door leaves extending radially outwardly from a center shaft in angularly spaced. A revolving door mitigates stack effect by allowing traffic while sealing air flow. Replacement parts wings mechanisms.

1 2 3 4. Revolving doors may be manually or automatically operated.