US 12,168,889 B2
Mechanical lock and method of operation thereof
Felix Zolotinsky, Auburndale, MA (US)
Filed by Felix Zolotinsky, Auburndale, MA (US)
Filed on Mar. 3, 2021, as Appl. No. 17/191,693.
Application 17/191,693 is a continuation of application No. 15/629,734, filed on Jun. 21, 2017, abandoned.
Claims priority of provisional application 62/493,164, filed on Jun. 23, 2016.
Prior Publication US 2022/0056732 A1, Feb. 24, 2022
Int. Cl. E05B 17/18 (2006.01); E05B 27/00 (2006.01); E05B 29/00 (2006.01); E05B 33/00 (2006.01); E05B 35/00 (2006.01)
CPC E05B 17/186 (2013.01) [E05B 27/0028 (2013.01); E05B 27/0057 (2013.01); E05B 27/0082 (2013.01); E05B 29/0006 (2013.01); E05B 29/0013 (2013.01); E05B 29/0053 (2013.01); E05B 29/0066 (2013.01); E05B 33/00 (2013.01); E05B 35/00 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A lock openable with a key, comprising:
a keyhole;
movable tumblers with notches movable by the key to be aligned with each other and capable of maintaining their positions without the key being in the keyhole;
a fence movable into the notches aligned with each other; and
a flap capable of blocking the keyhole without the fence being within the notches,
wherein the fence is movable into the notches only when the flap blocks the keyhole.