US221517A - Improvement in furnace-feede - Google Patents

Description

w. A. CAMPBELL & J. HYLAND.

- Furnace-Feeder.

No. 221,517. Patented Nov. 11, I879.

NJETERS, FNUTO-UTNOGRAPHER. WASHINGTON. D C,

UNITED STATES Pnrnn'r FFIQ.

WILLIAM A. CAMPBELL AND JOSEPH HYLAND, OF MANISTEE, MICHIGAN.

IMPROVEMENT IN FURNACE-FEED ERS.

Specification forming part of Letters Patent N 0. 221,5 17, dated November 11, 1879 application filed May 5, 1879.

To all whom it may concern:

Be it known that W6,WILLIAM A. CAMPBELL and JOSEPH HYLAND, of Manistee, in the county of Manistee and State of Michigan, have invented certain new and useful Improvements in Furnace-Feeders, of which the following is aspecification.

The object we have in view is to produce an automatic feeder for furnaces which can be readily thrown away or removed from the furnace-front when it is desired to reach thesame for repairs or for other purposes; which will spread the fuel on the fire-bed of the furnace, and will be compact and convenient in construction and efficient in operation.

The device is intended more especially for feeding sawdust and the other refuse of sawmills or other wood-working establishments; but it can be efficiently used for feeding other kinds of fuel. 7

Our invention therein consists in the adjustability of the parts to give ready entrance to the furnace-front; in the peculiarly-situated guiding and scraping plate; in the form of the pusher to spread the fuel; in the manner of connecting and disconnecting the mouth-piece of the furnace with the chutes; and, further, in providing the peculiar mouth-piece with a hinged cover and door, all as fully hereinafter explained. A

In the accompanying drawings, Figure 1 is a perspective view of our feeding device in connection with a furnace; Fig. 2, a perspective view of the same disconnected from the furnace, showing the adj ustability of the parts; Fig. 3, a top view with the upper chute and the scraper removed, and Fig. 4 a vertical 1ongitudinal section of the parts arranged as in Fig. 1.

Like letters denote corresponding parts.

A is the upper chute, secured to a rocking bar, 0, pivotally mounted in thetop of an upright frame, B. This chute terminates at its upper end ata convenient point to receive the fuel. The chute A is made in two parts, a b, the upper part, b, being rigidly attached to the rocking bar 0, while the lower part, a, is pivotgd thereto and adapted to be turned to one s1 e.

The chute A can be thrown up on its pivot or turned aside at its lower end when it is desired to get at the front D of the furnace or to reach the other parts of the feeding device; or it can be turned to one side to discharge the fuel upon the furnace-room floor or into any receptacle provided for the purpose.

The lower part of the chute A may be piv- G, which carries on its end, outside of the uprights, the driving-pulley H. To the front end of the frame E is secured the horizontal box or chute 1, of equal or greater width than the inclined chute A, which chute I rests at its forward end when in position upon the projecting lower edge of the mouth-piece J of the furnace. This month piece J projects outwardly from the furnace-front D, to which it preferably is removably secured by means of hooks, bolts, screws, or turn-buckles. Above the mouthpiece J is hinged to the front D a cover, h, extending out nearly to the end of the chute I, but not so far that it will interfere with the vertical movement of such chute. The forward edge of the hinged cover It carries a hinged and swinging door, k, which is swung back by the fuel. This door can be arranged to slide vertically and to be opened by the ad vancin g pusher, if desired.

K is a sliding pusher, which reciprocates upon the chute I, and receives motion from the shaft Gr, preferably through a crank, 0, link d, and arm 6 but a crank-and-pitman connection may be used. The forward end of the pusher K is constructed with a projecting center, so as to spread the fuel to the sides and distribute the same evenly upon the fire-bed of the furnace.

L is a guide and scraper, which is pivoted to standards l, rising from the frame E, and is placed between the lower end of the chute A and the top of the pusher. This pivoted scraper and guide receives the fuel from the chute A, guides the same into the chute I and upon the pusher, and prevents such fuel from being carried back under the end of the chute A by the backward movementof the pusher.

The frame E can be thrown back on its pivots when it is desired to examine the furnacefront or for any other purpose, carrying, with it the chute I, the pusher, and the guidingscraper, and raising the chute A.

To examine the fire-bed or manipulate the firein any manner, the chute can first be thrown back and the hinged cover and door raised, or such cover and door can be raised without disturbing the chutes. For repairs to the furnace, the month piece and cover can be removed bodily therefrom.

The uprights supporting the chutes can be made portable by securing them to one or two base-frames, or they can be fixed in the floor of the furnace-room, as shown.

The operation of our devices will be easily understood and their advantages will be readily appreciated by those understanding the objections to feeders of this class heretofore.

What we claim as our invention is- 1. In automatic furnucefeeders, the combination of the vertically-swingiug chute I with the reciprocatiugpusher working in such chute and swinging therewith, substantially as described and shown.

2. In automatic furnacefeeders, the combination of the vertically swinging, chutes A I and the reciprocating pusher Ix, working in the lower chute, substantially as described and shown.

3. In automatic furnace-feeders, the chute I, connected with the mouth of the furnace and having a reciprocating pusher for charging the fuel into the furnace, in combination with the chute A, swinging vertically and having a laterally-swinging lower end, substantially as described and shown.

4. In automatic furnace-feeders, the combination ot'the chutesand the sliding pusher with the guide and scraper L, situated between the lower end of the upper chute and the pusher, and receiving the fuel from the chute, substantially as described and shown.

5. In automatic furnace-feeders, the sliding pusher K, having centrally-projecting forward end, substantially as described and shown.

6. In automatic furnace-feeders, the mouthpiece J to the furnace, having projecting bottom plate, in combination with the verticallyswinging' chute I, substantially as described and shown.

7. In an automatic furnace-feeder, the mouthpiece J, having hinged cover h and door 1:,substantially as described and shown.

WILLIAM A. CAMPBELL. JOSEPH HYLAND.

\Vituesses G. A. HART, J. L. Smnnn.

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