US 11,925,273 B2
Armrest for chair
Vincent Sin, Singapore (SG); Jon Hao Chan, Singapore (SG); and Elroy Cheng Feng Lee, Singapore (SG)
Assigned to SECRETLAB SG PTE. LTD., Singapore (SG)
Filed by SECRETLAB SG PTE. LTD., Singapore (SG)
Filed on Apr. 11, 2022, as Appl. No. 17/717,392.
Claims priority of application No. 202120730172.X (CN), filed on Apr. 12, 2021; and application No. 202220804963.7 (CN), filed on Apr. 8, 2022.
Prior Publication US 2022/0322835 A1, Oct. 13, 2022
Int. Cl. A47C 7/54 (2006.01); A47C 31/00 (2006.01); A47C 31/02 (2006.01)
CPC A47C 7/54 (2013.01) [A47C 31/003 (2013.01); A47C 31/02 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An armrest for a chair, comprising:
a first member, the first member comprising:
a body extending in a longitudinal direction from a first end to a second end, wherein the body comprises one or more recesses; and
one or more magnets disposed in the one or more recesses; and
a second member releasably attached to the first member, the second member comprising:
a cavity configured to receive the first member; and
one or more magnetizable plate members disposed in the cavity, wherein the one or more magnetizable plate members are adjacent the one or more magnets when the first member is received in the cavity,
wherein the second member is releasable from the first member by overcoming a magnetic attraction between the one or more magnets and the one or more magnetizable plate members.