Title:
EXTERIOR FRAME STRUCTURE FOR WRITING BOARD
Document Type and Number:
Japanese Patent JP3900443
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide the exterior frame structure for a writing board which does not have an inharmonious feeling in appearance even when a gap or a slip in step is generated at mutually joined parts between corner frames at four corners, an upper frame, right and left side frames and a lower frame, in the forming, the building up and a transport or the like, and also, which has an overall stereoscopic impression and has a favorable appearance.
SOLUTION: A corner frame 2 is formed in such a manner that the front surface and the outer peripheral side surface may protrude from respective front surfaces and outer peripheral side surfaces of an upper frame 3, right and left side frames 4 and a lower frame. The upper frame 3, the right and left side frames 4 and the lower frame are formed into hollow bodies by a resin molding, and respective end parts and protruding parts 2a for coupling of the corner frame 2 are fitted, and joined by a joining means. The front wall parts of the upper frame 3 and the right and left side frames 4 are formed into a curved protruding form and for the external wall parts of the upper frame 3 and the right and left side frames 4, the central parts are formed into a curved recessed form.
Inventors:
Tsutomu Ogasawara
Application Number:
JP34441897A
Publication Date:
April 04, 2007
Filing Date:
November 28, 1997
Export Citation:
Assignee:
Ricoh Elemex Co., Ltd.
International Classes:
B43L1/04; (IPC1-7): B43L1/04
Domestic Patent References:
| JP2080490U | ||||
| JP59168778U | ||||
| JP53062452U |
Attorney, Agent or Firm:
Shunsuke Nakao
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