Patent ID: 11946284
Assignee: OAK SECURITY GROUP, LLC
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 4:
5. The door lock as claimed in claim 4, wherein the connecting shaft includes: an inner shaft portion pivotably received in the inner spindle and including a coupling end, wherein the driving end of the thumb turn interlocks with the inner shaft portion;
an outer shaft portion pivotably received in the locking member and movable in the axial direction of the outer spindle, wherein the outer shaft portion includes a connecting end interlocked with the coupling end of the inner shaft portion, wherein the outer shaft portion interlocks with the locking member, and wherein the locking member further includes a guiding groove in an outer periphery thereof; and
an interlocking member including an end coupled to the outer spindle portion and another end received in the guiding groove of the locking member, wherein when the outer spindle portion pivots, the interlocking member is actuated to move the locking member, wherein a lock core is mounted to the outer handle and interlocked with the outer spindle portion, wherein when the lock core is rotated, the outer spindle portion is pivoted.