US 11,988,017 B2
Key blank and key for actuating a disk cylinder and method of manufacturing such a key blank and key
Frank Wunderlich, Netphen (DE)
Assigned to ABUS August Bremicker Söhne KG, Wetter-Volmarstein (DE)
Filed by ABUS August Bremicker Söhne KG, Wetter-Volmarstein (DE)
Filed on Jun. 1, 2021, as Appl. No. 17/335,171.
Claims priority of application No. 102020115134.9 (DE), filed on Jun. 8, 2020.
Prior Publication US 2021/0381275 A1, Dec. 9, 2021
Int. Cl. E05B 19/00 (2006.01); E05B 29/00 (2006.01)
CPC E05B 19/0052 (2013.01) [E05B 29/0013 (2013.01)] 19 Claims
OG exemplary drawing
 
11. A key for actuating a disk cylinder having a plurality of rotatable disk tumblers, said key comprising a key shaft that extends along a longitudinal axis and that has a vertical axis oriented perpendicular to the longitudinal axis, wherein the key shaft has a plurality of drive slopes arranged next to one another along the longitudinal axis for driving the plurality of disk tumblers, wherein the plurality of drive slopes are aligned in parallel with the longitudinal axis of the key shaft and are oriented at different angles obliquely to the vertical axis of the key shaft, wherein the plurality of drive slopes form recesses with respect to a back of the key shaft, and wherein the back of the key shaft has chamfers that adjoin at least some of the plurality of drive slopes;
wherein the chamfers are oriented at an acute angle to the longitudinal axis of the key shaft in a sectional plane that extends in parallel with the longitudinal axis of the key shaft.