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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0750498 (1985-07-01) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 42 인용 특허 : 0 |
A frame device for holding and displaying sign panels. The panels are held in tension along the edges by spring-biased slide means. The slide means along each side are all moved to prespecified positions for changing the sign panels when the covers of the frame device sections are opened. Similarly,
A display frame for holding a sign panel in tension therein, said frame being formed of a plurality of frame sections, each of said frame sections comprising, a base member, a cover member rotatably connected to said base member for movement between relatively open and closed positions, slide means
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