Patent ID: 6698264
Filing Date: 2004-03-02
Classification: E05B,Y10T

Abstract:
A core assembly for a lock comprising:a core (10) having a keyhole (11) longitudinally defined therein, an elongated slot (111) defined beside and communicated with the keyhole (11), multiple first arcuate channels (12) radially defined at an outer periphery of the core (10) and communicated with the elongated slot (111), multiple first apertures (13) respectively at distal ends of the first arcuate channels (12), and multiple lower lock tumblers (14) respectively received in the first apertures (13); a sleeve (20) securely provided outside the core (10), the sleeve (20) having multiple second apertures (21) radially defined through an outer periphery thereof and aligned with the first apertures (13) respectively, the first lower lock tumblers (14) partially received in the second apertures (21); and a housing (30) provided outside the sleeve (20), the housing (30) having multiple third apertures (31) radially defined through an outer periphery thereof and aligned with the first apertures (13) and the second apertures (21), multiple upper lock tumblers (32) respectively received in the third apertures (31), each upper lock tumbler (32) provided with a second resilient member (321) and a plug (322) positioned thereon, the upper lock tumblers (32) abutting the respective lower lock tumblers (14) and partially extending in the second apertures (21) in a locked status.