I claim the bed key constructed and arranged as above described, as a new article of manufacture.

71,872.--MODE OF PREVENTING THE EXPLOSION OF LAMPS.--Cyrus P. Grosvenor, McGrawville, N.Y.

I claim the application to lamps or heaters, using coal oils, alcohol, or other explosive substances, of such a burner as will supply the vacuum made in the reservoir by the combustion with nitrogen gas, the burner being constructed as herein described, or in any other form substantially the same, and which will produce the intended effect.

71,873.--CAR-AXLE BOX.--Joseph Harris, Dorchester, Ma.s.s.

I claim, 1st, The roller guides, i, with detached radial joints, substantially as described.

2d, In combination with the system of rollers and box, g, the construction of the axle, with its extension, e, and shoulder, d, as and for the purpose set forth.

71,874.--WASHING MACHINE.--Job H. Haskell (a.s.signor to himself and Horace Taplin), Lowell, Ma.s.s.

I claim the general construction and combination of all the parts, consisting of the cylinder, G, series of yielding rollers, a, roller stands, k, spring bars, f, levers or arms, m, spring bar, D, transverse bar, R, rod, O, and the box, the whole arranged to operate substantially as and for the purpose set forth.

71,875.--HORSE RAKE.--John V. Hawkey (a.s.signor to himself and Israel T.

Sheffler), Greensburg, Pa.

I claim, 1st, A rake shaft or head, arranged outside of the periphery of the wheels, projecting laterally beyond them, and so jointed that its sections can be folded vertically upon the carrying frame without detaching any of the parts of the rake, substantially as described.

2d, An axially turning rake-shaft, so jointed that its outer sections can be folded inwards without detaching any of its parts.

3d, The combination of the inner fixed section of the rake shaft with the outer vertically folding sections, projecting beyond the wheels, substantially as and for the purpose described.

4th, The combination, substantially as described, with a jointed rake shaft, of hinges allowing the sections to fold vertically, and a locking device to hold them rigidly when unfolded.

5th, The arrangement as described, of the top pins, m, on the folding sections, to secure them in position when folded up.

6th, The combination in a horse rake, of an axially turning folding rake shaft, with a rock shaft controlled by a handle on the driver's platform to raise and lower the teeth.

7th, The arrangement, in a horse rake, of an axially turning jointed rake shaft, mounted on the rear end of the thills, and supported on two wheels mounted on independent axles.

71,876.--APPARATUS FOR DRAINING SUGAR.--James B. Hill, Allegheny City, Pa.

I claim the combination and arrangement of the hopper, C, provided with valve, d, case, B, screen, R, distributing drum, P, distributor, f, provided with valve, i, sc.r.a.per, S, chute h, and pipe, t, the whole being constructed, arranged, and operating substantially in the manner herein described, and for the purpose set forth.

71,877.--CENTRIFUGAL MACHINE FOR DRAINING SUGAR.--James B. Hill, Allegheny City, Pa.

I claim the use of a fan when used in combination with the shield, m, distributor, f, screen, R, case, B, hopper, C, and sc.r.a.per, S, constructed, arranged, and operating, substantially in the manner herein described, and for the purpose set forth.

71,878.--CARD HOLDER.--Samuel L. Hill, Brooklyn, N.Y.

I claim, in combination with a back or support, the use or employment of any number of strips when the same shall be constructed and combined substantially as shown for the purpose specified.

71,879.--FISHING LINE SWIVEL.--Martin Hiltz, Gloucester, Ma.s.s.

I claim the improved swivel, as made with the screw bolt, D, and the nut chamber, e, arranged and combined, as explained, with the parts, A B C, constructed and applied together as specified.

61,880.--IMPLEMENT FOR LIGHTING GAS.--Thomas W. Houchin, Morrisania, N.Y.

I claim, 1st, Placing a receiver, A, at the lower end of a tube, B, for the purposes fully described.

2d, The combination of a receiver, A, tubes, B, and wick chamber, C, when the same shall be constructed substantially as described, for the purposes set forth.

71,881.--CORN-POPPER.--J. W. Howe, and J. K. Barton, Worcester, Ma.s.s.

We claim, 1st, The combination of the twisted wires, a a a' a', with the handle, B, and receptacle, A, substantially as and for the purposes described.

2d, The combination of the wires, a' a', with handle, B, receptacle, A, and cover of the same, as and for the purposes described.

3d, The combination of the wires, a a a' a', with each other, receptacle, A, and cover of same, as shown and described.

71,882.--COPY BOOK.--Benj. G. Howes, Worcester, Ma.s.s.

I claim the copy book, constructed substantially as described.

71,883.--PETROLEUM GAS BURNER.--G. A. Hyver, New Orleans, La.

I claim, 1st, The combination of the pipe, D, when filled with finely broken charcoal, with the concentric or annular chamber, F, the latter being provided with pipes, b, extending upwardly into the cup furnace or heat retort, H, as and for the purpose substantially as set forth.

2d, The combination of the pipe, D, when filled with finely broken charcoal, the concentric or annular chamber, F, pipes, b, and pipe, d, with the gas pipe, c, when the latter is provided with the valve, J, for regulating the flow of gas, as and for the purpose described.

3d, The gas pipe, c, when constructed and arranged with relation to the chamber, F, and one of the pipes, b, as described, in combination with the valve, J, for the purpose set forth.

4th, The combination of the concentric or annular chamber, F, and pipes, b, with the cup furnace or heat retort, H, when the latter is constructed as described, and shown upon the drawings, and occupies the relation to the former herein set forth, for the purpose set forth.

5th, The pipe, d, in combination with one of the pipes, b, for the purpose of affording a light for illuminating purposes, as herein described.

71,884.--SHAFT COUPLING.--John Keesey, Chester, Pa.

I claim the combination of the box, hub, or sh.e.l.l, B, reverse wedge-shaped blocks, C C', and bolts, D D', with their nuts, E E', or the equivalents of these devices, arranged for operation together, substantially as and for the purposes herein set forth.

71,885.--CLAMP SCREW.--Charles L Kingsley (a.s.signor to Charles Parker), Meriden, Conn.