Patent ID: 7334440
Filing Date: 2008-02-26
Classification: E05B,Y10T

Abstract:
1. A reversible lock core structure for an interchangeable lock core of a door lock mechanism, comprising: a rotatable spindle including a front end, a rear end and an axial hole communicated between the front end and the rear end, the rear end being connected with a door lock body of the door lock mechanism, the front end provided with a first longitudinal assembling slot and a second longitudinal assembling slot and defining a first lateral wall and a second lateral wall at the front end; a first retaining notch formed on the first lateral wall of the rotatable spindle at the front end of the spindle, with the first retaining notch comprising an opening in the front end, a neck portion having a width and a head portion being substantially a circle and having a diameter, with the neck portion intermediate the opening and the head portion, wherein the width of the neck portion is smaller than the diameter, with the neck portion extending longitudinally in a direction away from the opening; and an invertable tubular adapter having a first end and a second end and being provided with a positioning protrusion on an outer circumference at a distance from the first end of the invertable tubular adapter, wherein the positioning protrusion is engageable with the first retaining notch of the rotatable spindle preventing the invertable tubular adapter from being separated from the rotatable spindle, wherein the invertable tubular adapter provides a third longitudinal assembling slot having an open end and a closed end, with the closed end located at a distance from the second end of the invertable tubular adapter, with the invertable tubular adapter exchangeably and releasably receivable in the axial hole of the rotatable spindle in a first direction and a second direction, with the first direction opposite the second direction, with the third longitudinal assembling slot aligned with the first longitudinal assembling slot to mutually receive the interchangeable lock core in the combination of the rotatable spindle and the invertable tubular adapter in the first direction when the door lock mechanism is assembled, and with the third longitudinal assembling slot aligned with the second longitudinal assembling slot to mutually receive the interchangeable lock core in the combination of the rotatable spindle and the invertable tubular adapter in the second direction when the door lock mechanism is assembled.