US559338A - Sheet-metal trough or conductor - Google Patents

Description

(No Model.) V

' P. A. LORENZ.

SHEET METAL THOUGH OR GONDUGTOR.

No. 569,338. 'PatentedApr. 28,1896.

UNITED STATE ATENT OFFICE.

PETER A. LORENZ, OF CHICAGQ ILLINOI S.

SHEET-METAL TROUGH OR CONDUCTOR.

SPECIFICATION forming part of Letters Patent 0. 559,338, dated April 28, 1896. Application filed DecemherZZ, 1894.: Serial No. 532,741. (No model.)

To alt whom it may concern.-

Be it known that 1, PETER A. LORENZ, a citi zen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Sheet-Metal Troughs or Gonductors; and I do hereby declare the following to be a full, clear, and exact description of the same, reference being hadfto the accompanying drawings, forming a part of this specification.

This invention relates to that form of troughs or conductors for endless screw conveyers and like uses that are formed of sheet metal sections secured together to afford the desired length; and the objects of the pres ent improvements are as follows: to provide a simple and effective means for attaining a very substantial and tight joint between the sections of the conductor or trough, and, further, to provide a simple and durable construction and mode of attachment for the ends or heads of the conductor or trough, as

' will hereinafter more fully appear, and be more particularly pointed out in the claims. I attain such objects by the construction and arrangement of parts illustrated in the accompanying drawings, in which Figure 1 is a transverse sectional elevation at line a; m, Fig. 2, of a trough or conductor constructed in accordance with my present invention; Fig. 2, a longitudinal elevation of the same with portions of the joint in section; Fig. 3, a side elevationof one end of the troughor conductor, illustrating the attachment of an. end head thereof; Figs. 4 and 5, detail sections of modifications.

Similar numerals of reference indicate like parts in the several views.

Referring to the drawings, 1 and 2 are continuous trough-sections formed of sheet metal of the required length and gage that is, bent into the required trough shape-with the edges bent outward to form longitudinal side flanges 3, the required stiffness being imparted thereto by folding the metal thereof upon itself, as shown. These flanges are for the threefold purposes of strengthening the trough, affording means for attaching a cover, and mainly to afford means for securing the sections together.

4: is a longitudinally-extending flat bead :formed in the body of the trough atone or .both sides thereof and some distance below the flanges 3 to afford additional stiffness thereto when required.

The adjacent ends of the sections may be butted together, as shown in Fig. 2, or lapped together, as shown in Fig. 5, in which latter case one section will be offset so as to receive the other and impart a smooth or plane inner surface to the trough. t

5 is a straining or coupling bandfeither of wrought or cast 1netal,having a curved body portion corresponding in form with that of the trough-sections 1 and 2 and having flanges 6 at each side by which it is attached in place, as hereinafter set forth. It is material to the present invention that this coupling-band 5 be somewhat less in height, so that when it embraces the joined ends of the trough-sections 1 and 2 its flanges 6 will be some distance away from the flanges 3 of the troughsections in order to admit of a tight clamping of the parts together.

7 are bolts, rivets, or other equivalent at taching means that pass through the respective flanges 6 and 3 of the coupling-band and the trough-sections, screw-bolts, as shown in the drawings, being preferred as affording the most ready means for straining the parts to gether in joining up the trough-sections.

8 are projections or beads on the ends of the trough-sections adapted to fit in corresponding recesses in the coupling-band 5, to aid in forming a stronger union of the different parts, and these projections may be more or less continuous around the ends of the troughsections, as found mostdesirable or conven ient.

In the practical carrying out of my present invention the coupling-band 5 may form a part of the supporting-bracket of the trough,-

as illustrated in Fig. 1.

9 is a hanger-bracket within the trough, by which an endless screw conveyer may be supported, and in the present invention this hanger will be provided with flan 10, through which the attaching-bolts 11 pass, as well as through the coupling-band 5, so as to attain a more strong and rigid attachment.

12 is an end platefor closing the end of the trough, and in the present invention this end plate will be provided with a flange 13, that corresponds with the coupling-band 5, and istion, What I claim as new, and desire to secure by Letters Patent, is

1. An open-topped trough or conductor, consisting of sections that are formed With outwardly-projecting and longitudinally-extending marginal flanges 3, in combination with a coupling-band 5, having outwardlyextending flanges 6 on its respective ends, and means for attaching the trough-flanges 3 and coupling-band flanges 6 together, the same consisting of rivets or bolts 7, passing through orifices in said flanges, substantially as and for the purpose set forth.

2. An open-topped trough or conductor consisting of sections that are formed with outwardly-projecting and longitudinally-extending marginal flanges 3, and beads or projections 8 in combination with the couplingband 5 having outwardlyextending flanges 6, and recesses adapted to receive the beads 8, and means for attaching the flanges 3 and pose set forth.

body, having outwardly-projecting and longitudinally-extending marginal flanges b, in

combination with the end plate or head 12, having a flange 13, corresponding in shape to the body of the trough and adapted to flt the outside of the same, and outwardly-extendin g flanges 14 at its upper corners, and means for I attaching the flanges 3 and 14 together, substantially as and for the purpose set forth.

4. An open-topped trough or conductor fbody, having outwardly-projecting and 1ongitudinally-extending marginal flanges 3, in combination with the end plate or head 12,

' provided with an outwardly-projecting flange 16,, on a level with the top surface of the trough-body 1, a flange 13 corresponding in shape to the trough-body and adapted to fit the outside of the same, and outwardly-extending flanges 14 at its upper corners, and means for attaching the flanges 3 and 14 to gether, substantially as and for the purpose set forth.

5. An open topped trough or conductor having outwardly-projecting and longitudinally-extending marginal flanges 3, in combination with the clamping-band 5 having outwardly-projecting flanges 6 on its respective ends,n1eans for securing said flanges together,

' a transversely-extending hanger-bracket 9 tially as and for the purpose set forth.

In testimony whereof Witness my hand this 14th day of December, 1891. 6 together, substantially as and for the purj PETER A. LORENZ.

In presence of- ROBERT BURNS, GEo. l-I. ARTHUR.

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