US 12,404,145 B2
Conduit retractor
Xiugui Wang, Beijing (CN); Peng Zhang, Beijing (CN); Hui Li, Beijing (CN); and Guang Cheng, Beijing (CN)
Assigned to BEIJING KOHLER LTD., Beijing (CN)
Filed by Beijing Kohler Ltd., Beijing (CN)
Filed on May 1, 2023, as Appl. No. 18/309,986.
Claims priority of application No. 202221101659.2 (CN), filed on May 9, 2022.
Prior Publication US 2023/0356974 A1, Nov. 9, 2023
Int. Cl. B65H 75/48 (2006.01); B65H 75/44 (2006.01)
CPC B65H 75/4434 (2013.01) [B65H 75/486 (2013.01); B65H 2701/33 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A retractor assembly, comprising:
a housing having a cavity;
a cover coupled to the housing and having an inlet channel;
a rotary plate pivotally mounted within the cavity;
a swing arm pivotally mounted within the cavity and having a guide protrusion;
an outlet pipe wound on the rotary plate; and
an elastic drive member mounted within the cavity and configured to bias the rotary plate toward a reset position;
wherein a first end of the outlet pipe is fluidly coupled with the inlet channel and a second end of the outlet pipe passes through the housing;
wherein a side of the rotary plate includes an outer guide groove and an inner guide groove configured to receive the guide protrusion;
wherein a first channel and a second channel span between the outer guide groove and the inner guide groove;
wherein the guide protrusion is configured to enter the inner guide groove from the outer guide groove via the first channel and the guide protrusion is configured to enter the outer guide groove from the inner guide groove via the second channel; and
wherein the second channel includes a locking groove therein configured to catch the guide protrusion.