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A motorized lock assembly includes a lock bolt mounted in a door and having a rotary core containing a first slot, an inside assembly having a casing attached to the inside of the door, and a transmission mechanism having a rectangular block rotated by a drive device, and an extension post containin

A motorized lock assembly includes a lock bolt mounted in a door and having a rotary core containing a first slot, an inside assembly having a casing attached to the inside of the door, and a transmission mechanism having a rectangular block rotated by a drive device, and an extension post containing a second slot aligning with the first slot, and an outside assembly attached to the outside of the door and having an elongate rotor in turn extending through the first slot and the second slot such that the rotary core rotates in conjunction with the extension post, whereby the rectangular block can be rotated so as to rotate the extension post and the rotary core, thereby extending a dead bolt outward from the lock bolt.

대표청구항 ▼

[ What is claimed is:] [1.] A motorized lock assembly for a door which includes a door (50) having an inside and an outside, said motorized lock assembly comprising:a lock bolt (20) fixedly mounted in said door (50) and including a rotary core (22) rotatably mounted therein, said rotary core (22) co

[ What is claimed is:] [1.] A motorized lock assembly for a door which includes a door (50) having an inside and an outside, said motorized lock assembly comprising:a lock bolt (20) fixedly mounted in said door (50) and including a rotary core (22) rotatably mounted therein, said rotary core (22) containing a first slot (220) therein;an inside assembly (30) comprising:a casing (31) attached to the inside of said door (50);a transmission mechanism (34) including a rectangular block (341) rotatably mounted in said casing (31), a retaining cylinder (342) integrally extending from said rectangular block (341), and an extension post (343) integrally extending from said retaining cylinder (342) and containing a second slot (344) aligning with said first slot (220); anddrive means for rotating said rectangular block (341), said drive means comprises a driven gear (37) mounted on said rectangular block (341) for rotating it, a gear (38) rotatably mounted in said casing (31), a drive gear (381) fixedly mounted on said gear (38) and meshing with said driven gear (37), a worm gear (41) rotatably mounted in said casing (31) and meshing with said gear (38), and a motor (40) mounted in said casing (31) for rotating said worm gear (41); andan outside assembly (10) attached to the outside of said door (50) and including an elongate rotor (12) rotatably mounted thereon and in turn extending through said first slot (220) and said second slot (344) such that said rotary core (22) rotates in conjunction with said extension post (343).