US 10,890,330 B2
Knob assembly with display device and cooking apparatus having knob assembly
Yeonsik Ha, Seoul (KR); and Seong Sik Cho, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Filed by LG ELECTRONICS INC., Seoul (KR)
Filed on Feb. 20, 2018, as Appl. No. 15/899,583.
Claims priority of application No. 10-2017-0023774 (KR), filed on Feb. 22, 2017.
Prior Publication US 2018/0238550 A1, Aug. 23, 2018
Int. Cl. F24C 3/12 (2006.01); H01H 19/14 (2006.01); G05G 1/12 (2006.01); H01H 19/02 (2006.01); H01H 3/10 (2006.01); H01H 3/02 (2006.01); H01H 9/18 (2006.01)
CPC F24C 3/124 (2013.01) [F24C 3/126 (2013.01); G05G 1/12 (2013.01); H01H 3/0206 (2013.01); H01H 3/10 (2013.01); H01H 9/181 (2013.01); H01H 19/025 (2013.01); H01H 19/14 (2013.01); H01H 2003/105 (2013.01); H01H 2019/143 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A knob assembly, comprising:
a front panel forming a front surface of a cooking appliance;
a knob provided in front of the front panel and coupled to an adjustment shaft configured to adjust a power level of a power source; and
a knob ring provided between the front panel and the knob and configured to surround a periphery of the knob, the knob ring configured to be rotatable independent of the knob;
a knob ring encoder disposed behind the front panel configured to sense a rotation angle of the knob ring; and
a display assembly provided at an outer circumferential surface of the knob ring to rotate with the knob ring and configured to display a timer time set through rotation of the knob ring,
wherein the display assembly includes
a display housing provided in the knob ring,
a display provided in the display housing, and
a finishing cap coupled with a front surface of the display housing to cover the display.