US 11,920,379 B2
Modular cylindrical lockset
Kenton H. Barker, Colorado Springs, CO (US); Subbiah Gopalakrishnan, Trivandrum (IN); David J. Hurlbert, Manitou Springs, CO (US); Kasey Wachtendorf, Colorado Springs, CO (US); Snehil Solanki, Colorado Springs, CO (US); Dilip Bangaru, Bangalore (IN); Austin M. Roup, Woodland Park, CO (US); and Rakesh Murali, Auckland (NZ)
Assigned to Schlage Lock Company LLC, Carmel, IN (US)
Filed by Schlage Lock Company LLC, Carmel, IN (US)
Filed on Aug. 3, 2021, as Appl. No. 17/392,961.
Application 17/392,961 is a continuation of application No. 16/178,961, filed on Nov. 2, 2018, granted, now 11,078,686.
Claims priority of provisional application 62/581,266, filed on Nov. 3, 2017.
Prior Publication US 2022/0127880 A1, Apr. 28, 2022
Int. Cl. E05B 63/00 (2006.01); E05B 1/00 (2006.01); E05B 13/00 (2006.01); E05B 13/10 (2006.01); E05B 15/00 (2006.01); E05B 17/04 (2006.01); E05B 47/00 (2006.01); E05B 47/06 (2006.01); E05B 55/00 (2006.01); E05B 55/06 (2006.01)
CPC E05B 63/0056 (2013.01) [E05B 1/0015 (2013.01); E05B 13/004 (2013.01); E05B 13/106 (2013.01); E05B 15/0033 (2013.01); E05B 17/048 (2013.01); E05B 47/0004 (2013.01); E05B 47/0665 (2013.01); E05B 55/005 (2013.01); E05B 55/06 (2013.01); E05B 13/101 (2013.01); E05B 15/004 (2013.01); E05B 2047/0024 (2013.01); E05B 63/006 (2013.01); E05B 63/0065 (2013.01); E05Y 2900/132 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A lock cylinder, comprising:
a shell;
a plug rotatably mounted in the shell for rotation about a rotational axis;
a tumbler system operable to selectively prevent rotation of the plug relative to the shell; and
a tailpiece operable to be rotated by the plug, the tailpiece comprising:
a proximal base portion;
a distal end portion having a wide section transverse to the rotational axis; and
an intermediate portion positioned between the proximal base portion and the distal end portion, the intermediate portion having a narrowed section transverse to the rotational axis; and
wherein the narrowed section is less narrower than the wide section.