US 11,672,714 B2
Electric wheelchair
Haemin Choi, Seoul (KR); Wondong Do, Seoul (KR); Jaebeom Im, Seoul (KR); and Eulpyo Hong, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Filed by LG ELECTRONICS INC., Seoul (KR)
Filed on Oct. 30, 2019, as Appl. No. 16/668,704.
Claims priority of application No. 10-2019-0011267 (KR), filed on Jan. 29, 2019.
Prior Publication US 2020/0237590 A1, Jul. 30, 2020
Int. Cl. A61G 5/04 (2013.01); A61G 5/12 (2006.01); A61G 5/10 (2006.01)
CPC A61G 5/125 (2016.11) [A61G 5/04 (2013.01); A61G 5/1051 (2016.11); A61G 2203/14 (2013.01); A61G 2203/20 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An electric wheelchair comprising:
a frame configured to support a seat;
a driver configured to be coupled to a lower portion of the frame;
an armrest configured to be coupled to a side of the frame; and
a controller configured to be detachably coupled to the armrest;
wherein the controller is coupled so as to shield an opening formed in the armrest and is electrically connected to a connector located inside the armrest,
wherein the controller includes:
a joystick to couple to the armrest;
a button coupled to a front of the joystick, and
a display coupled to a front of the button, and
wherein the joystick includes:
a joystick housing configured to shield the opening of the armrest;
a control box configured to be disposed in an inner space of the armrest corresponding to an inner side of the joystick housing; and
a joystick lever configured to be connected to the control box and disposed outside the joystick housing;
wherein the armrest includes:
a frame body; and
a frame cover which is coupled to an upper portion of the frame body and forms the inner space in which the connector is received.