Locking/release device for pivoting latch of door opener has pivotable locking lever that locks or releases latch and emergency locking arrangement with locking bar, temperature activated arrangement for actuating locking bar

摘要

The locking/release device (10) has a pivotable locking lever (12) that locks or releases the latch and an emergency locking arrangement (20) with a locking bar (22) and a temperature activated arrangement (24,26,28) for actuating the locking bar.