An Improved Casing for Steam Pipes

1891 Scientific American  
A GRATE FOR FURNACES, RANGES, ETC. tween the inner and outer courses. 1'0 cut the casing the back of the casing, the vertical JJlate having The ill us tration represents a grate, patented by Mr. length wise, where this is necessary in putting it around a I ug adapted to engage notches in a bar in the lower Salvatore J. Buzzini, designed to be reciprocated hori-pipes in position, the asphalt coating is first removed, side of the casing. A similar arrangement is provideu zontal ly to free the
more » ... e and fuel from the accumula-when the binding wires are cut by a file or otherwise, on the inside of the cover plate, but the positions of tion of ashe8, the grate being made to swing down and their ends fastened down by a common blind the movable piates are such that when the bolt. i� readily at one side, to dump the contents of the fire staple. This allows the outside casing to be laid open, thrown out, the key aperture of one of the plates reg-is box into the ash pan when ·desired. The grate prefera-as shown in Fig. 3 , a similar proce8S being followed in tel's with its proper outside key hole, allu that of the bly lies below a bed plate of the fire box, and has on its opening the inner casing. Different sections of this 0ther is discollllected from it6 key hole, anu 'oice versa. upper surface a number of teeth-like projections, casing are conveniently joined by cutting off, at the The latch, shown in the upper part of the lock casing, which, as the grate is reciprocated, serve to break up ends, a small portion of the inner and outer casings, has a Ilotched shank and a sprillg-pressed sliuing head.
doi:10.1038/scientificamerican03211891-178a fatcat:od2n3hewdzcjnkh57a3womv3ce