US2026084869A1PendingUtilityA1

Powder supply container

69
Assignee: SEIKO EPSON CORPPriority: Sep 25, 2024Filed: Sep 23, 2025Published: Mar 26, 2026
Est. expirySep 25, 2044(~18.2 yrs left)· nominal 20-yr term from priority
Inventors:HORIKO YUKIHIROMASUKO YUTARO
B65D 83/06B65D 47/265
69
PatentIndex Score
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Claims

Abstract

A powder supply container 200 includes: a first cylindrical portion 210 having a central axis CA and including a first opening portion 213 formed in a bottom surface 211 of the first cylindrical portion 210 ; a second cylindrical portion 220 arranged to overlap an inner side of the first cylindrical portion 210 in a state of being rotatable about the central axis CA; and a lid portion 230 detachably attached to a side, facing the bottom surface 211 of the first cylindrical portion 210 , of the second cylindrical portion 220 and including a second opening portion 233 , when the second cylindrical portion 220 is rotated relative to the first cylindrical portion 210 , the second opening portion 233 is rotated relative to the first opening portion 213 , whereby the first opening portion 213 is switched between an open state and a closed state, an inner surface of the first cylindrical portion 210 is provided with a projection 212 , and a guide rib 221 for guiding the projection 212 is provided on an outer surface of the second cylindrical portion 220 .

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A powder supply container comprising: 
 a first cylindrical portion having a central axis and including a first opening portion formed in a bottom surface of the first cylindrical portion;   a second cylindrical portion arranged to overlap an inner side of the first cylindrical portion in a state of being rotatable about the central axis; and   a lid portion detachably attached to a side, facing the bottom surface of the first cylindrical portion, of the second cylindrical portion and including a second opening portion, wherein   when the second cylindrical portion is rotated relative to the first cylindrical portion, the second opening portion is rotated relative to the first opening portion, whereby the first opening portion is switched between an open state and a closed state,   an inner surface of the first cylindrical portion is provided with a projection, and   a guide rib for guiding the projection is provided on an outer surface of the second cylindrical portion.   
     
     
         2 . The powder supply container according to  claim 1 , wherein 
       the guide rib includes a first guide rib and a second guide rib, 
       the first guide rib is formed on the outer surface of the second cylindrical portion so as to extend in a spiral shape, and 
       when the second cylindrical portion is inserted into the first cylindrical portion, the first guide rib guides the projection such that the second cylindrical portion is assembled at a predetermined position relative to the first cylindrical portion. 
     
     
         3 . The powder supply container according to  claim 2 , wherein 
       in a state where the first cylindrical portion and the second cylindrical portion are assembled, 
       the second guide rib 
       is formed on the outer surface of the second cylindrical portion so as to extend in a circumferential direction about the central axis, and 
       guides the projection such that the first cylindrical portion rotates about the central axis relative to the second cylindrical portion.

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