Abstract: A hinge connection between an access door and a panel, such as a utility meter box cover, is formed by opposed cylindrical hinge pins which are integrally cast as part of the access door, and spaced-apart channel-shaped recesses formed in bosses which are cast as part of the panel facing a side of the panel opposite a planar wall part of the panel, which wall part includes an opening for receiving the access door. The hinge pins are supported in the channel-shaped recesses and are retained therein by conventional hex head machine bolt and nut assemblies which project through respective bores in the panel or meter box cover and intersect the channel-shaped recesses. The bolt heads are disposed in elongated slots opening to the planar surface of the panel or meter box cover and having widths only slightly greater than the distance across the flats of the bolt heads, respectively.

Abstract: A movable pouring basin including a funnel-type sprue for use with a casting machine is aligned between a source of molten casting material and the downsprues of molds on an assembly line moving beneath the source of molten casting material.

Abstract: A limited torque bolt-nut assembly including a bolt shank having a threaded first end portion and a non-threaded second end portion, a secondary drive head on the second shank portion and a primary shearable drive head on the secondary drive head, and a hollow nut secured over both drive heads and a portion of the non-threaded shank section. The hollow nut drives the primary drive head which rotates relative to the secondary drive head until the primary drive head shears off at a predetermined torque releasing the nut and primary drive head. The secondary drive head remains on the bolt shank for adjustment and removal of the bolt.