초록 ▼

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, 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 includes a base plate rotatably attached to the rear wall of the main tray at its center, and is releasably attachable to a side rail of a ladder. The base plate has a plurality of locating holes in it forming an arc with respect to the rotatable connection between the base plate and the rear wall of the main tray. A tray support bracket attached to the center of the underside of the main tray includes a strut having a locating pin protruding therefrom. The locating pin can be placed in any one of the locating holes, fixing the tray at a selected angular orientation with respect to the base plate, and is positively retained in the selected locating hole by the weight of the tray and its contents. An insulated electrical receptacle can be mounted in the main tray.

대표청구항 ▼

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

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 to the said rail of the ladder; and angular locating means disposed on and interconnecting said tray and said clamp means for positively retaining said tray in a selected angular position with respect to said clamp means, wherein said tray is a main tray and further including an auxiliary tray, said main tray including slide guide means disposed thereon for receiving correlatively shaped, interengageable slide guide means disposed on said auxiliary tray for removably attaching said auxiliary tray to said main tray, and wherein said main tray and said auxiliary tray each includes a raised side wall and said slide guide means on said main tray and said auxiliary tray each include an elongate U-shaped channel disposed along the raised side wall of the respective tray, one of said channels opening upwardly and the other of said channels opening downwardly.