US2016037930A1PendingUtilityA1

Unit component for a chair backrest

51
Assignee: WU YAO-CHUANPriority: Aug 7, 2014Filed: Aug 7, 2014Published: Feb 11, 2016
Est. expiryAug 7, 2034(~8.1 yrs left)· nominal 20-yr term from priority
Inventors:Yao-Chuan Wu
A47C 7/40A47C 3/00A47C 5/00
51
PatentIndex Score
0
Cited by
0
References
0
Claims

Abstract

The present invention relates to a unit component for a chair backrest. The component has a basic body. The basic body has a through hole, a supporting portion, and at least two connecting arms. The through hole is formed on the basic body. The supporting portion is mounted over the through hole. The at least two connecting arms are mounted at corners of the through hole and are connected with the supporting portion.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A unit component for a chair backrest comprising:
 a basic body being a square plate and having a center, a front side and a rear side;   a through hole formed through the front side and the rear side of the basic body at the center of the basic body and having multiple corners;   at least two connecting arms mounted on and protruding forwardly from the basic body respectively at one of the corners of the through hole; and   a supporting portion connected to the connecting arms to enable the supporting portion to extend out of the basic body.   
     
     
         2 . The unit component for a chair backrest as claimed in  claim 1 , wherein the unit component has four connecting arms protruding forwardly from the basic body respectively at four corners of the through hole, each one of the connecting arms has a free end extending out of the front side of the basic body, and the supporting portion is connected to the free ends of the connecting arms. 
     
     
         3 . The unit component for a chair backrest as claimed in  claim 1 , wherein the unit component has two connecting arms protruding forwardly from the basic body respectively at two of the corners of the through hole and aligned with each other in a vertical arrangement. 
     
     
         4 . The unit component for a chair backrest as claimed in  claim 1 , wherein the unit component has two connecting arms protruding forwardly from the basic body respectively at two of the corners of the through hole and aligned with each other in a horizontal arrangement. 
     
     
         5 . The unit component for a chair backrest as claimed in  claim 1 , wherein the through hole is rectangular. 
     
     
         6 . The unit component for a chair backrest as claimed in  claim 2 , wherein the through hole is rectangular. 
     
     
         7 . The unit component for a chair backrest as claimed in  claim 3 , wherein the through hole is rectangular. 
     
     
         8 . The unit component for a chair backrest as claimed in  claim 4 , wherein the through hole is rectangular. 
     
     
         9 . The unit component for a chair backrest as claimed in  claim 1 , wherein the through hole is circular. 
     
     
         10 . The unit component for a chair backrest as claimed in  claim 2 , wherein the through hole is circular. 
     
     
         11 . The unit component for a chair backrest as claimed in  claim 3 , wherein the through hole is circular. 
     
     
         12 . The unit component for a chair backrest as claimed in  claim 4 , wherein the through hole is circular. 
     
     
         13 . The unit component for a chair backrest as claimed in  claim 1 , wherein the supporting portion is circular. 
     
     
         14 . The unit component for a chair backrest as claimed in  claim 2 , wherein the supporting portion is circular. 
     
     
         15 . The unit component for a chair backrest as claimed in  claim 3 , wherein the supporting portion is circular. 
     
     
         16 . The unit component for a chair backrest as claimed in  claim 4 , wherein the supporting portion is circular. 
     
     
         17 . The unit component for a chair backrest as claimed in  claim 1 , wherein the supporting portion is rectangular. 
     
     
         18 . The unit component for a chair backrest as claimed in  claim 2 , wherein the supporting portion is rectangular. 
     
     
         19 . The unit component for a chair backrest as claimed in  claim 3 , wherein the supporting portion is rectangular. 
     
     
         20 . The unit component for a chair backrest as claimed in  claim 4 , wherein the supporting portion is rectangular.

Join the waitlist — get patent alerts

Track US2016037930A1 — get alerts on status changes and closely related new filings.

We store only your email — no account needed. See our privacy policy.