US 12,331,590 B1
Curtain roller
Jianghai Sun, Guangdong (CN)
Assigned to Jiani Zhong, Guangdong (CN)
Filed by Jiani Zhong, Guangdong (CN)
Filed on Jul. 29, 2024, as Appl. No. 18/787,614.
Claims priority of application No. 202421733930.3 (CN), filed on Jul. 19, 2024.
Int. Cl. E06B 9/42 (2006.01); E06B 9/64 (2006.01); E06B 9/80 (2006.01)
CPC E06B 9/80 (2013.01) [E06B 9/42 (2013.01); E06B 9/64 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A curtain roller, comprising:
a main body of the curtain roller, wherein the main body of the curtain roller is configured for connecting with a curtain, and the main body of the curtain roller is capable of rotating the curtain to a winding position or an unfolding position; when the main body of the curtain roller rotates to the winding position, the main body of the curtain roller rolls up the curtain; when the main body of the curtain roller rotates to the unfolding position, the main body of the curtain roller unfolds the curtain; and
a stop part, wherein the stop part is connected to the main body of the curtain roller, and a stop space is formed between the stop part and the main body of the curtain roller; after the main body of the curtain roller rotates to the winding position to roll up the curtain, and the curtain is positioned in the stop space, the main body of the curtain roller cannot rotate on the surface of the curtain, so that the main body of the curtain roller is stopped at the winding position;
wherein the main body of the curtain roller comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is provided with a first connecting portion, the first connecting portion is provided with a first mounting hole, the second connecting rod is inserted into the first connecting rod through the first mounting hole, and the second connecting rod is slidable and telescopic within the first connecting rod;
wherein the main body of the curtain roller also comprises a third connecting rod, an opposite end of the first connecting rod is equipped with a second connecting portion, the second connecting portion is provided with a second mounting hole, the third connecting rod is inserted into the first connecting rod through the second mounting hole, and the third connecting rod is slidable and telescopic within the first connecting rod;
wherein the first connecting portion is equipped with a first slit, a second slit, and a first elastic wall positioned between the first slit and the second slit; the second connecting portion is equipped with a third slit, a fourth slit, and a second elastic wall positioned between the third slit and the fourth slit.