US2021353039A1PendingUtilityA1

Carryover tube cleaning mini-brush

Individually held — no corporate assignee on recordPriority: May 13, 2020Filed: May 13, 2020Published: Nov 18, 2021
Est. expiryMay 13, 2040(~13.8 yrs left)· nominal 20-yr term from priority
Inventors:Kent Brown
A46B 5/06A46B 3/18A46B 2200/3013A46B 9/028A46B 5/021
25
PatentIndex Score
0
Cited by
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References
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Claims

Abstract

A mini-brush for use in cleaning and clearing obstacles from within a carryover tube in a furnace. The brush having a handle coupled to a first end of a flexible shaft, a guide point coupled to a second end of the flexible shaft, and a plurality of bristles coupled along a length of the flexible shaft, the plurality of bristles having a first side located adjacent to the guide point and extending along the flexible shaft towards the handle. The flexible shaft is a stranded cable wire permitting the guide point and the bristles to navigate a 90 degree corner through a tube

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A brush comprising:
 a handle coupled to a first end of a flexible shaft;   a guide point coupled to a second end of the flexible shaft; and   a plurality of bristles coupled along a length of the flexible shaft, the plurality of bristles having a first side located adjacent to the guide point and extending along the flexible shaft towards the handle.   
     
     
         2 . The brush according to  claim 1 , wherein the handle is a cylinder having a length of at least three inches. 
     
     
         3 . The brush according to  claim 2 , wherein the handle is contoured to aid its being gripped for use. 
     
     
         4 . The brush according to  claim 1 , wherein the guide point is a small spherical ball attached to the second end of the flexible shaft. 
     
     
         5 . The brush according to  claim 1 , wherein the flexible shaft is a stranded cable wire permitting the guide point and the bristles to navigate a 90 degree corner through a tube. 
     
     
         6 . The brush according to  claim 5 , wherein the flexible shaft is a stranded cable wire having a diameter of at least a 1/16 of an inch.

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