US 12,405,429 B2
Cleaning tool
Shunsuke Fujita, Chiba (JP); Kunihiko Fujiwara, Chiba (JP); and Masashi Ohshima, Chiba (JP)
Assigned to Fujikura Ltd., Tokyo (JP)
Appl. No. 17/624,869
Filed by Fujikura Ltd., Tokyo (JP)
PCT Filed Aug. 20, 2020, PCT No. PCT/JP2020/031501
§ 371(c)(1), (2) Date Jan. 5, 2022,
PCT Pub. No. WO2021/065239, PCT Pub. Date Apr. 8, 2021.
Claims priority of application No. 2019-181384 (JP), filed on Oct. 1, 2019; and application No. 2019-181385 (JP), filed on Oct. 1, 2019.
Prior Publication US 2022/0276448 A1, Sep. 1, 2022
Int. Cl. G02B 6/38 (2006.01); B08B 7/00 (2006.01)
CPC G02B 6/3866 (2013.01) [B08B 7/0028 (2013.01); B08B 2240/02 (2013.01); G02B 6/3853 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A cleaning tool for cleaning an object to be cleaned comprising:
a head; and
a cleaning body wrapped around the head,
wherein the head includes:
a head body having a pressing surface that presses the cleaning body against the object to be cleaned; and
a projection that projects from the pressing surface of the head body,
wherein the projection is retractable relative to the head body,
wherein the pressing surface includes:
a head body side pressing surface disposed on the head body; and
a projection side pressing surface disposed on the projection,
wherein the head body side pressing surface and the projection side pressing surface are wrapped around by the cleaning body,
wherein the projection is configured to switch between:
a first state in which the projection side pressing surface is at a predetermined position relative to the head body side pressing surface; and
a second state in which the projection side pressing surface projects from the head body side pressing surface by a greater amount than in the first state.