US 12,276,133 B2
Detachable identification key head
Haralambos Sferopoulos, Salonika (GR)
Appl. No. 17/427,691
Filed by Haralambos Sferopoulos, Salonika (GR)
PCT Filed Jan. 16, 2020, PCT No. PCT/GR2020/000008
§ 371(c)(1), (2) Date Mar. 21, 2022,
PCT Pub. No. WO2020/157522, PCT Pub. Date Aug. 6, 2020.
Claims priority of application No. 20190100053 (GR), filed on Jan. 31, 2019.
Prior Publication US 2022/0235577 A1, Jul. 28, 2022
Int. Cl. E05B 19/04 (2006.01)
CPC E05B 19/046 (2013.01) 15 Claims
OG exemplary drawing
 
1. A key head adapted to interface with a key blade, the key blade arranged with a trapezoidal chamfered end, the key head comprising:
a socket formed in the key head, wherein the socket is arranged to matingly engage the trapezoidal and chamfered end of the key blade, the socket including a concave feature having an irregular hollow truncated pyramid shape that includes:
a first base having a rectangular shape and disposed opposite a closed end of the socket,
a second base having a rectangular shape and disposed at the closed end of a bottom of the socket, the second base being smaller than the first base in dimension,
a lower side surface having an isosceles trapezoidal shape, the lower side surface extending between the first and second bases;
a right side surface and a left side surface, each of the right and left side surfaces converging in a direction from the first base towards the second base;
an upper side surface extending between the first and second bases;
wherein the socket further includes a fastener channel disposed parallel to the first and second bases.