US 12,012,775 B2
Electronic lock with movable in-line locking lug
Vijayakumar Mani, Bangalore (IN); Prem Ratan Mohan Ram, Bangalore (IN); and Abdul Khadar Jailani Mannanayak, Bangalore (IN)
Assigned to Schlage Lock Company LLC, Carmel, IN (US)
Filed by Schlage Lock Company LLC, Carmel, IN (US)
Filed on Aug. 27, 2019, as Appl. No. 16/552,784.
Application 16/552,784 is a continuation of application No. 15/799,405, filed on Oct. 31, 2017, granted, now 10,392,836.
Application 15/799,405 is a continuation of application No. 15/156,703, filed on May 17, 2016, granted, now 9,834,959, issued on Dec. 5, 2017.
Application 15/156,703 is a continuation of application No. 14/188,891, filed on Feb. 25, 2014, granted, now 9,340,998, issued on May 17, 2016.
Prior Publication US 2020/0232254 A1, Jul. 23, 2020
This patent is subject to a terminal disclaimer.
Int. Cl. E05B 47/00 (2006.01); E05B 47/06 (2006.01)
CPC E05B 47/0012 (2013.01) [E05B 47/0001 (2013.01); E05B 47/0004 (2013.01); E05B 47/0005 (2013.01); E05B 47/0603 (2013.01); E05B 47/0642 (2013.01); E05B 47/068 (2013.01); E05B 2047/0031 (2013.01); E05B 2047/0036 (2013.01); E05B 2047/0048 (2013.01); E05B 2047/0084 (2013.01); E05B 2047/0094 (2013.01); Y10T 29/49826 (2015.01); Y10T 70/7062 (2015.04); Y10T 70/7068 (2015.04)] 24 Claims
OG exemplary drawing
 
1. A lock apparatus comprising:
a rotatable lever spindle at least partially disposed about a rotatable key cam assembly;
a locking lug having a substantially hollow cylindrical body with a drive tab extending radially inward and a locking tab extending radially outward therefrom, the locking lug moveable between first and second axial positions corresponding to an uncoupled and coupled configuration respectively of the lever spindle and the key cam assembly;
wherein the lever spindle is operable for transmitting rotational torque through the locking lug to the key cam assembly in the coupled configuration;
an electric motor having a rotatable shaft extending therefrom;
a coil spring connected to the rotatable shaft proximate one end and engaged with the locking lug proximate the other end; and
wherein the electric motor is operable for moving the locking lug between the first and second positions with the coil spring.