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Digital door lock assembly

  • US 10,443,264 B1
  • Filed: 08/23/2018
  • Issued: 10/15/2019
  • Est. Priority Date: 05/28/2018
  • Status: Active Grant
First Claim
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1. A digital door lock assembly including an exterior assembly, the exterior assembly comprising:

  • a printed circuit board (PCB) which includes an RF chip for receiving and processing a radio frequency (RF) signal, a controller chip for receiving and processing signals output from number keypads, and a regulator supplying operating voltages to the RF chip and the controller chip,wires which are connected to the RF chip, the controller chip, and the regulator through the PCB;

    a housing which has a storage space into which a key lock cylinder including a spindle and a plurality of first screw holes is inserted, and includes a first hole which the spindle passes through and a plurality of second holes, wherein the first hole and the plurality of second holes are formed at a bottom of the storage space;

    a first screw guide which includes a plurality of third holes; and

    a second screw guide which includes a plurality of fourth holes,wherein each of the plurality of third holes has a circular shape, and each of the plurality of fourth holes has an elliptical shape.

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