US 12,011,841 B2
Electric beard trimmer
Alois Koeppl, Weilrod (DE); Reinhold Eichhorn, Idstein (DE); Jana Schmitt, Wiesbaden (DE); and Martin Fuellgrabe, Bad Camberg (DE)
Assigned to Braun GmbH, Kronberg (DE)
Filed by Braun GmbH, Kronberg (DE)
Filed on Jan. 25, 2021, as Appl. No. 17/157,889.
Claims priority of application No. 20153387 (EP), filed on Jan. 23, 2020.
Prior Publication US 2021/0260782 A1, Aug. 26, 2021
Int. Cl. B26B 19/38 (2006.01); B26B 19/20 (2006.01); B26B 19/06 (2006.01)
CPC B26B 19/3846 (2013.01) [B26B 19/20 (2013.01); B26B 19/06 (2013.01)] 22 Claims
OG exemplary drawing
 
22. A cutter system for an electric shaver and/or a trimmer, comprising a pair of cooperating cutting elements comprising a first cutting element and a second cutting element, a motor driving said second cutting element in a movement direction, and a support structure,
wherein a stacked sandwich arrangement is provided by the second cutting element being sandwiched between the first cutting element and said support structure, said second cutting element is movably received therebetween in said stacked sandwich arrangement,
wherein an additional part is provided for defining a specific cutting air gap size in a direction perpendicular to the movement direction between the first cutting element and said support structure by said second cutting element, wherein said additional part includes at least one spacer defining said cutting air gap size, said at least one spacer being arranged adjacent to the second cutting element and sandwiched together with the second cutting element between the first cutting element and the support structure, wherein said at least one spacer is provided in abutting contact with the first cutting element on one side thereof and with the support structure on the other side thereof, and wherein said at least one spacer forms a sliding guide for guiding the sandwiched second cutting element reciprocating or rotating along said at least one spacer, and wherein the second cutting element has a guiding recess in which the at least one spacer is received,
wherein said support structure, said at least one spacer, and said first cutting element are rigidly connected to each other and form a rigid sandwiching frame having a gap in which the sandwiched second cutting element is slidably received, and
wherein said second cutting element is provided on each of its longitudinal sides which extend parallel to the movement direction with a row of cutting teeth extending beyond an outer perimeter of said support structure.