US2024215784A1PendingUtilityA1

Cleaner

Assignee: LG ELECTRONICS INCPriority: Apr 9, 2021Filed: Mar 16, 2022Published: Jul 4, 2024
Est. expiryApr 9, 2041(~14.7 yrs left)· nominal 20-yr term from priority
A47L 9/00A47L 9/28A47L 9/242A47L 5/24A47L 9/248A47L 9/066A47L 9/06A47L 9/24
53
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Claims

Abstract

The present disclosure relates to a cleaner, more particularly, a cleaner which includes: a first rotation member configured to rotate the main body about the first rotation axis; a second rotation member configured to rotate the main body about the second rotation axis; and an anti-rotation assembly having one end coupled to the second rotation member and another end locked by the first rotation member, thereby preventing any shaking of the cleaning module about the second rotation axis, preventing the straightness deterioration of the cleaner, and securing excellent operability.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A cleaner, comprising:
 a cleaning module configured to suck in outside air;   a main body configured to provide a suction force to the cleaning module;   a first rotation member disposed between the cleaning module and the main body, having a first rotation axis disposed in left and right directions, and configured to rotate the main body about the first rotation axis;   a second rotation member disposed between the cleaning module and the main body, having a second rotation axis vertically disposed, and configured to rotate the main body about the second rotation axis; and   an anti-rotation assembly having one end coupled to the second rotation member and another end locked by the first rotation member.   
     
     
         2 . The cleaner of  claim 1 ,
 wherein the first rotation axis is disposed at a forward end of the first rotation member, and   wherein the first rotation member is hingedly coupled to a rearward end of the cleaning module through the first rotation axis.   
     
     
         3 . The cleaner according to  claim 2 ,
 wherein the second rotation axis is disposed at a forward end of the second rotation member,   wherein the second rotation member is hingedly coupled to a rearward end of the first rotation member through the second rotation axis, and   wherein a rearward end of the second rotation member is coupled to a forward end of the main body.   
     
     
         4 . The cleaner according to  claim 1 ,
 wherein the anti-rotation assembly comprises:
 a support member disposed in the first rotation member; and 
 a fixing member coupled to the second rotation member, and having at least a portion thereof locked by the support member. 
   
     
     
         5 . The cleaner of  claim 4 ,
 wherein the support member protrudes in a direction of the second rotation axis from the first rotation member, and   wherein the fixing member is locked by a side surface of the support member.   
     
     
         6 . The cleaner of  claim 4 ,
 wherein the support member comprises an insertion groove into which the fixing member is inserted, and   wherein the fixing member comprises a fixing protrusion inserted into the insertion groove.   
     
     
         7 . The cleaner of  claim 6 ,
 wherein the insertion groove is disposed at least as a pair on left and right sides, and   wherein an imaginary straight line passing through the pair of insertion grooves is parallel to the first rotation axis.   
     
     
         8 . The cleaner of  claim 4 ,
 wherein the fixing member comprises:   a rotation member coupling part coupled to the second rotation member;   a fixing member arm extending along an outer circumference of the support member from the rotation member coupling part; and   a fixing protrusion extending inward from an end of the fixing member arm and configured to be locked by the support member.   
     
     
         9 . The cleaner of  claim 8 ,
 wherein the fixing member arm is formed in an outwardly convex arc shape.   
     
     
         10 . The cleaner of  claim 8 ,
 wherein the fixing member arm is disposed at least as a pair on left and right sides based on an imaginary straight line extending in a longitudinal direction of the second rotation member.   
     
     
         11 . The cleaner of  claim 8 ,
 wherein the rotation member coupling part is disposed on an imaginary straight line extending in a longitudinal direction of the second rotation member.   
     
     
         12 . The cleaner of  claim 8 ,
 wherein the fixing member arm extends along a circumference of an imaginary circle; and   wherein the fixing protrusion extends toward a center of the imaginary circle.   
     
     
         13 . The cleaner of  claim 4 ,
 wherein at least a portion of the fixing member comprises an elastic material.   
     
     
         14 . The cleaner of  claim 1 ,
 wherein the anti-rotation assembly further comprises:   an elastic member configured to provide a restoration force to an opposite direction, when the second rotation member rotates in one direction.   
     
     
         15 . The cleaner of  claim 14 ,
 wherein the elastic member is wound on the second rotation axis, and   wherein one end thereof is supported by one side of the second rotation member, and another end thereof is supported by another side of the second rotation member.   
     
     
         16 . The cleaner of  claim 14 ,
 wherein the elastic member is a spiral spring having an inner side end thereof supported by the first rotation member, and   an outer side end thereof supported by the second rotation member.   
     
     
         17 . The cleaner of  claim 14 ,
 wherein the elastic member extends in a longitudinal direction of the second rotation member, and   wherein a forward end of the elastic member is supported by the first rotation member, and at least one side of a rear part thereof is supported by the second rotation member.   
     
     
         18 . The cleaner of  claim 1 ,
 wherein the second rotation axis is disposed at a rearer position than the first rotation member.   
     
     
         19 . A cleaner, comprising:
 a cleaning module configured to suck in outside air;   a main body configured to provide a suction force to the cleaning module;   an extension tube having a forward end configured to be communicated with the cleaning module and a rearward end configured to be communicated with the main body;   a first rotation member having a first rotation axis disposed perpendicular to a longitudinal direction of the extension tube, and rotatably connected to the cleaning module about the first rotation axis;   a second rotation member having a second rotation axis disposed perpendicular to both the longitudinal direction of the extension tube and the first rotation axis, and having one end thereof rotatably connected to the first rotation member about the second rotation axis, and another end thereof coupled to the extension tube; and   an anti-rotation assembly having one end coupled to the second rotation member, and another end locked by the first rotation member.   
     
     
         20 . A cleaner, comprising:
 a cleaning module configured to suck in outside air;   a main body configured to provide a suction force to the cleaning module;   a rotation member disposed between the cleaning module and the main body, and configured to rotate the main body about a rotation axis disposed in one direction; and   an anti-rotation assembly having one end thereof coupled to the rotation member, and another end thereof locked by the cleaning module or the main body so as to suppress rotation of the main body.

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