| 主权项 |
1. An electric push bar assembly, comprising:
an electric push bar comprising a shell member, a gear set mounted in said shell member, a power drive adapted for rotating said gear set, a transmission mechanism, said transmission mechanism comprising a transmission screw coupled to and rotatable by said gear set, a retractable tube coupled to said transmission screw and movable linearly upon rotation of said transmission screw, and a connector connected to one end of said retractable tube opposite to said transmission screw through a release mechanism; and a release mechanism coupled between said retractable tube and said connector of said electric push bar, said release mechanism comprising a connection socket connected to said retractable tube, a fixed socket connected to said connector, said fixed socket comprising a plurality of engagement teeth equiangularly spaced around the periphery thereof, a clutch socket axially slidably coupled to said connection socket, said clutch socket comprising a plurality of engagement tooth blocks equiangularly disposed at a front side thereof and respectively engaged with said engagement teeth of said fixed socket and at least one pushing block located on an outer perimeter thereof, and a rotary operating member mounted around said fixed socket, said rotary operating member comprising a ring shell, said ring shell comprising at least one push block located on an inner perimeter thereof and stopped against said at least one pushing block of said clutch socket for enabling said clutch socket to be moved by said rotary operating member to disengage said engagement tooth blocks from said engagement teeth upon rotation of said ring shell by an external force. |
