US 12,134,914 B2
Lock knob attachment, lavatory door, and method for mounting lock knob attachment
Hisaya Hagiwara, Tokyo (JP); and Sachiko Fukutomi, Tokyo (JP)
Assigned to JAMCO CORPORATION, Tokyo (JP)
Appl. No. 17/767,900
Filed by JAMCO CORPORATION, Tokyo (JP)
PCT Filed Mar. 15, 2021, PCT No. PCT/JP2021/010333
§ 371(c)(1), (2) Date Apr. 10, 2022,
PCT Pub. No. WO2021/246018, PCT Pub. Date Dec. 9, 2021.
Claims priority of application No. 2020-095239 (JP), filed on Jun. 1, 2020.
Prior Publication US 2024/0035303 A1, Feb. 1, 2024
Int. Cl. E05B 1/00 (2006.01); B64C 1/14 (2006.01); E05B 3/00 (2006.01); E05B 65/00 (2006.01); E05C 1/00 (2006.01); E05C 1/04 (2006.01)
CPC E05B 1/0053 (2013.01) [B64C 1/1407 (2013.01); E05B 3/00 (2013.01); E05B 65/0035 (2013.01); E05C 1/004 (2013.01); E05C 1/04 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A lock knob attachment comprising:
an attachment portion configured to be attached to a lock bar that is configured to lock a door by sliding in a first direction;
a main body portion coupled to the attachment portion and configured to extend from the attachment portion to a second direction perpendicular to the first direction; and
a fastening member configured to fix the attachment portion to the lock bar,
wherein:
in a state where a direction perpendicular to both the first direction and the second direction is defined as a third direction, a length of the main body portion in a direction along the third direction is greater than a length of the attachment portion in the direction along the third direction,
the main body portion comprises a first through-hole portion,
the attachment portion comprises a second through-hole portion,
the fastening member is inserted to both the first through-hole portion and the second through-hole portion, and
the attachment portion comprises a rotation stop portion configured to prevent the attachment portion and the main body portion from rotating around an axis in a longitudinal direction of the fastening member.