US 11,917,091 B2
Mobile terminal with extendable display
Seounghwan Seol, Seoul (KR); Hakho Choi, Seoul (KR); Sangwook Park, Seoul (KR); Donghwan Lim, Seoul (KR); Sungdo Kim, Seoul (KR); Junhong Kang, Seoul (KR); Ara Kim, Seoul (KR); and Sungsu Kim, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Filed by LG ELECTRONICS INC., Seoul (KR)
Filed on Sep. 12, 2022, as Appl. No. 17/931,483.
Application 17/931,483 is a continuation of application No. 17/213,106, filed on Mar. 25, 2021, granted, now 11,457,104.
Claims priority of application No. PCT/KR2020/016947 (WO), filed on Nov. 26, 2020.
Prior Publication US 2023/0007113 A1, Jan. 5, 2023
Int. Cl. H04M 1/02 (2006.01)
CPC H04M 1/0268 (2013.01) [H04M 1/0249 (2013.01)] 25 Claims
OG exemplary drawing
 
1. A mobile terminal comprising:
a body including a first frame and a second frame slidably coupled to a rear surface of the first frame with respect to a first direction or a second direction; and
a plurality of drivers disposed to be spaced apart from one another with respect to a third direction perpendicular to the first direction and configured to move the first frame along the first direction or the second direction with respect to the second frame to adjust a size of the body,
wherein each driver includes:
a motor housing fastened to the second frame;
a motor packaged in the motor housing;
a pinion gear packaged in the motor housing and rotatable by a driving force of the motor;
a rack gear located at the first frame and extending along the first direction, the rack gear configured to move linearly by the driving force of the motor, which is delivered through the pinion gear; and
a rack gear guide formed at the motor housing and comprising a rail bearing configured to contact an edge of the rack gear to guide the linear movement of the rack gear.