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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0379612 (1989-07-13) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 15 인용 특허 : 5 |
An adjustable, portable utility shelf includes a main tray having a flat work surface and raised sides. Slide guides are disposed along the sides of the main tray, and comprise channels for receiving correlatively shaped and inter-engageable channels on removable auxiliary trays. A clamp assembly in
An adjustable utility shelf for attachment to a side rail of a ladder, comprising: a tray having an upper support surface; clamp means rotatably connected to said tray for permitting said tray to pivot about said clamp means, said clamp means including means for releasably attaching said clamp means
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