Revolving Door Locking Mechanism

Those doors use a braking mechanism to prevent opposite flow then the door automatically revolves backwards to allow the offender to exit from the entry side.

Revolving door locking mechanism.

A version of revolving doors is used in factory and subway environments where the leaves of the door are made from horizontal pipes that interleaf with a barrier to allow entry in only. Built with a center point design the clearflow is ideal for accentuating the inner beauty of a building and is a good alternative to an automatic all glass system. They can be calculated to allow up to 50 people to evacuate per door. Revolving doors were designed to relieve stack effect pressure in buildings.

For protection against unintended bookfolding the patented crane bookfold lock mechanism. A concealed mechanism to collapse revolving door wings for emergency egress. The beauty of crane manual and automatic revolving doors can be found in buildings worldwide. Permitted doors are manual revolving doors that don t use any type of door wing locking mechanism during operation automatic and security revolving doors are excluded from this category.

Crane revolving doors are available in hundreds of configurations for virtually any entrance. Us1963881a independent wing locking device for revolving doors google patents independent wing locking device for revolving doors download pdf info publication number. The door also includes upper and lower collapsing mechanisms which are adapted to normally maintain the door leaves in their radial positions. Lock cases revolving door rehab kit.

A revolving door typically consists of three or four doors that hang on a central shaft and rotate around a vertical axis within a cylindrical enclosure. A revolving door including a plurality of door leaves extending radially outwardly from a center shaft in angularly spaced positions. The door leaves are mounted in a door opening for rotation about said center shaft by upper and lower bearing means. On every crane door is our bookfold mechanism that meets ansi 156 27 nfpa 101 life safety and international building codes.

Various security options including detection and prevention of unauthorized access in automatic revolving doors card reader access and sliding dead bolt locks ideal for high security areas such as banks and office buildings. Buildings with heavy traffic require entrances that are safe secure and user friendly. Latch and lock mechanism for lockers etc.