US2012285637A1PendingUtilityA1

Screen extending frame

47
Assignee: KASUYA FURETSUPriority: Jan 29, 2010Filed: Jan 28, 2011Published: Nov 15, 2012
Est. expiryJan 29, 2030(~3.5 yrs left)· nominal 20-yr term from priority
Inventors:Furetsu Kasuya
H05K 3/3485B41F 15/36H05K 3/1225
47
PatentIndex Score
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Cited by
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References
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Claims

Abstract

A screen extending frame in which a screen attached thereto is not distorted even when a screen extending jig is removed therefrom for storage or transportation is provided. Cut grooves are formed from the inner side to the outer side of, or from the outer side to the inner side of the direction, or in both directions of couplings of the screen extending frame constituted by connecting four frame members in a rectangle shape by means of welding, or the like, and the cut grooves enable the couplings to deform. The four frame members constituting the screen extending frame, which are individual bodies, join by corner members, and connecting portions are inclined with respect to the longitudinal direction of the frame members, thereby gaps are created in the connections. Alternatively, elastic elements are placed at the connections of the four frame members constituting the screen extending frame. Alternatively, the connecting portions are orthogonal to the longitudinal direction, and elastic elements are placed at the connections.

Claims

exact text as granted — not AI-modified
1 . A screen extending frame in a rectangular shape, comprising:
 four frame members having the square-shape cross-section, being used in such a way that a screen is attached to one face thereof, and the other face thereof is mounted on a screen extending jig having an extending and reducing function,   wherein couplings of said four frame members have flexibility and elasticity.   
     
     
         2 . The screen extending frame according to  claim 1 ,
 wherein said four frame members connect in said couplings, and the couplings have flexibility and elasticity.   
     
     
         3 . The screen extending frame according to  claim 2 ,
 wherein said four frame members are solid bodies.   
     
     
         4 . The screen extending frame according to  claim 3 ,
 wherein cut grooves are formed in the width direction of said couplings.   
     
     
         5 . The screen extending frame according to  claim 3 ,
 wherein cut grooves are formed in the direction connecting the outer angle and the inner angle each of said couplings.   
     
     
         6 . The screen extending frame according to  claim 3 ,
 wherein grooves are formed on both faces of said couplings in the thickness direction.   
     
     
         7 . The screen extending frame according to  claim 6 ,
 wherein said grooves in the thickness direction are formed in the width direction of said frame members.   
     
     
         8 . The screen extending frame according to  claim 6 ,
 wherein said grooves in the thickness direction are formed in the direction connecting the outer angle and the inner angle each of said couplings.   
     
     
         9 . The screen extending frame according to  claim 3 ,
 wherein through holes are formed in the thickness direction of said couplings.   
     
     
         10 . The screen extending frame according to  claim 9 ,
 wherein said through holes are arranged in the direction connecting the outer angle and the inner angle each of said couplings.   
     
     
         11 . The screen extending frame according to  claim 9 ,
 wherein said through holes are arranged in the width direction of said frame members.   
     
     
         12 . The screen extending frame according to  claim 1 ,
 wherein said four frame members are hollow bodies.   
     
     
         13 . The screen extending frame according to  claim 1 ,
 wherein notch portions are formed in the thickness direction of said couplings.   
     
     
         14 . The screen extending frame according to  claim 13 ,
 wherein said notch portions are formed in the direction orthogonal to the longitudinal direction of said frame members.   
     
     
         15 . The screen extending frame according to  claim 13 ,
 wherein said notch portions are formed in the direction connecting the outer angle and the inner angle each of said couplings.   
     
     
         16 . The screen extending frame according to  claim 12 ,
 wherein said notch portions are formed in the width direction of said frame members.   
     
     
         17 . The screen extending frame according to  claim 16 ,
 wherein said notch portions are formed in the direction connecting the outer angle and the inner angle each of said couplings.   
     
     
         18 . The screen extending frame according to  claim 12 ,
 wherein through holes are formed in said couplings toward the thickness direction of said frame members.   
     
     
         19 . The screen extending frame according to  claim 18 ,
 wherein said through holes are arranged in the direction connecting the outer angle and the inner angle each of said couplings.   
     
     
         20 . The screen extending frame according to  claim 18 ,
 wherein said through holes are arranged in the direction orthogonal to the longitudinal direction of said frame members.   
     
     
         21 . The screen extending frame according to  claim 18 ,
 wherein said through holes are arranged in the width direction of said frame members.   
     
     
         22 . The screen extending frame according to  claim 1 ,
 wherein said four frame members are two-tier hollow bodies including respectively a hollow body having a plane onto which said screen is attached and a hollow body having a plane onto which said screen is not attached.   
     
     
         23 . The screen extending frame according to  claim 22 ,
 wherein notch portions are formed in the thickness direction of the couplings of said hollow bodies each having the plane onto which said screen is attached.   
     
     
         24 . The screen extending frame according to  claim 23 ,
 wherein said notch portions are formed in the width direction of said couplings.   
     
     
         25 . The screen extending frame according to  claim 22 ,
 wherein notch portions are formed on a wall face in the thickness direction of the frame side of the upper half hollow body in said two-tier hollow body.   
     
     
         26 . The screen extending frame according to  claim 22 ,
 wherein through holes are formed on a wall face in the thickness direction of the frame side of the upper half hollow body in said two-tier hollow body.   
     
     
         27 . The screen extending frame according to  claim 1 ,
 wherein said four frame members are individual units, adjacent frame members are joined by a corner member respectively, and couplings of said four frame members and said four corner members have flexibility and elasticity.   
     
     
         28 . The screen extending frame according to  claim 27 ,
 wherein end faces of connecting portions to which said four frame members are adjacent are faces inclined in the longitudinal direction of said four frame members, and gaps are formed between respective inclined faces.   
     
     
         29 . The screen extending frame according to  claim 27 ,
 wherein end faces of connecting portions to which said four frame members are adjacent are faces inclined in the longitudinal direction of said four frame members, and elastic elements are provided between respective inclined faces.   
     
     
         30 . The screen extending frame according to  claim 29 ,
 wherein said elastic element is made of natural rubber or synthetic rubber.   
     
     
         31 . The screen extending frame according to  claim 29 , wherein said elastic element is a coil spring. 
     
     
         32 . The screen extending frame according to  claim 29 ,
 wherein said elastic element is a leaf spring.   
     
     
         33 . The screen extending frame according to  claim 27 ,
 wherein end faces of connecting portions to which said four frame members are adjacent are faces orthogonal to the longitudinal direction of said four frame members, said corner members are rectangular parallelepiped shape, and elastic elements are provided respectively between the orthogonal faces of said frame members and said corner members.   
     
     
         34 . The screen extending frame according to  claim 33 ,
 wherein said elastic element is made of natural rubber or synthetic rubber.   
     
     
         35 . The screen extending frame according to  claim 33 ,
 wherein said elastic element is a coil spring.   
     
     
         36 . The screen extending frame according to  claim 33 ,
 wherein said elastic element is a leaf spring.   
     
     
         37 . A screen printing apparatus, having:
 a mechanism for mounting a screen extending frame; and   a mechanism for extending and reducing the mounted screen extending frame.

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