An electrically operated door opener has a pivoting latch and a blocking lever and holding link member by which the spring loaded latch is held until the release actuator is operated

摘要

The door opener has a housing (2) and a rotating catch (3) with a nose (4) which is locked into the catch plate and rotation is blocked by a lever (5) with a holding link (6) which is released by an electromagnet (7) to allow the catch to rotate under the influence of a torsion spring.