Mechanical door opener for various applications contains electromagnet with moving core pressing on L-shaped lever with lever working lock mechanism

摘要

A bolt (10) operating lever (11) may be freed or locked in position by an electromagnet (12). The electromagnet has a coil (16) surrounding a core (17) with an adjustable bolt (26) which engages a tapered arm (15) of the L-shaped lever (13). The lever is pivoted (24) at the corner of the L-shape and has an arm (14) with a pivot engaging the bolt operating lever.