Patent ID: 6502870
Filing Date: 2003-01-07
Classification: E05B,Y10S,Y10T

Abstract:
A locking device for an electrical lock comprising:a micro-motor engaging a worm shaft; a rotatable worm wheel engaging the worm shaft at an end of the worm shaft opposite the micro-motor, said worm wheel fixably attached within the locking device by a central axle, said micro-motor inputting an electrical current to the worm wheel via the worm shaft causing said worm wheel to rotate; a swing pin fixed at a location on said worm wheel proximate to the central axle, said swing pin rotating as said worm wheel rotates; a movable swing buckle having first and second ends and a middle section, said first end adjacent the worm wheel and in a position to engage the swing pin as the worm wheel rotates, said swing buckle movably attached within the locking device by a pin shaft located in the middle section of the swing buckle; a twist spring located adjacent the pin shaft in the middle section of the swing buckle; and a locking latch having a notch capable of receiving the second end of said swing buckle and when said worm wheel rotates causing said swing pin to engage said swing buckle, moving said swing buckle away from said notch, the locking latch is moved by a tensile spring to open the locking device, and when the locking latch is moved into a locking position, the twist spring is capable of moving said second end of said swing buckle causing the swing buckle to engage the notch of the locking latch, wherein said swing buckle is of a slender shape and the second end of the swing buckle further comprises a first notched side and a second planar side, and wherein said locking latch further comprises a magnet located to engage the second planar side of the second end of said swing buckle.