US 11,872,166 B2
Height adjustable armrest of a medical chair
Bronislav Siuda, Trinec (CZ); and Petr Mil, Baska (CZ)
Assigned to Linet spol. s r.o., Slany (CZ)
Appl. No. 17/424,602
Filed by LINET spol. s r.o., Slany (CZ)
PCT Filed Jan. 20, 2020, PCT No. PCT/CZ2020/000003
§ 371(c)(1), (2) Date Jul. 21, 2021,
PCT Pub. No. WO2020/151773, PCT Pub. Date Jul. 30, 2020.
Claims priority of application No. CZ2019-32 (CZ), filed on Jan. 21, 2020.
Prior Publication US 2022/0079829 A1, Mar. 17, 2022
Int. Cl. A47C 7/54 (2006.01); A61G 15/02 (2006.01); A61G 15/12 (2006.01); B60N 2/75 (2018.01)
CPC A61G 15/02 (2013.01) [A61G 15/12 (2013.01); A47C 7/543 (2013.01); B60N 2/753 (2018.02); B60N 2/767 (2018.02)] 7 Claims
OG exemplary drawing
 
1. A medical chair with height adjustable armrest comprising:
a lifting mechanism,
a base coupled to a bottom side of the lifting mechanism,
a sitting part coupled to an upper side of the lifting mechanism, and
a backrest part coupled rotatably to the upper side of the lifting mechanism, and
an armrest comprising:
an armrest stop with the armrest rotatably coupled to the backrest part adjustable to an upper position and a bottom position, where, in the bottom position, the armrest stop bears on a first stop coupled to the backrest part, and in the upper position, the armrest stop does not bear on the first stop, and
a latch system movably attached to the backrest part comprising:
a latch with a back surface and a second stop, where the latch system is adjustable into a first position of the latch system and into a second position of the latch system, where in the first position of the latch system, the latch is located between the first stop and the armrest stop and in the second position of the latch system, the latch is not located between the first stop and the armrest, and where the upper position of the armrest is a position where the armrest stop bears on the second stop or any other position where the armrest is higher than in case when the armrest stop bears on the second stop.