US1736584A - Elevator - Google Patents

Description

Nova 19, 1929.

F. G. DIAGVQ ELEVATOR 3 Sheets-Sheet Filed July 28. 1926 INVENTOR If G. LayO BY f6 ATTORNEYS Y ov Nov. 19, 1929. F. G. DlAGo 1,736,584

ELEVATOR Filed July ze. 192e s sheets-sheet 2 ATTORNEYS NOV. 19, 1929. F` G, [HAGO 1,736,584

ATTORNEYS Patented Nov. 19, 1929 UNITED STATES FEDERICO G. DIAGO, F HABANA, CUBA ELEVATOR Application filed July 28,

This invention relates to improvements in elevators, and it consists of the constructions, combinations and arrangements herein described and claimed.

An object of the invention is to provide an elevator particularly adapted for freight, one of the outstanding features being the automatic operation which is performed by the dumping of the object upon a certain l@ lever forming part of the elevator. I

Other objects and advantages appear in the following specification, reference being had to the accompanying drawings, in which Figure 1 is a diagrammatic and sectional view illustrating one form 0f the invention,

Figure 2 is a side elevation, partly in section, illustrating another form of the invention,

Figure 3 is a horizontal section taken on 2e the line 3-3 of Figure 2,

lFigure 4 is a horizontal section taken on the line 4-4 of Figure 2, j

Figure l5 is a detail perspective view of a portion of the elevator chains and supports, Figure 6 is a detail sectional view of the clutch gear hereinafter referred to.

Reference may be had to my Patent 1,568,272 on gravity recorders of January 5,

1926, for more of the details of certain parts of the structurein Figure 1. Briefly described, this structure is as follows: 1 designates the floor of a building which is' supposed to be divided by a partition2 to define a stock room 3 and a shipping room '4.

Duplicate mechanisms in the two rooms serve the purpose of checking the articles or yobjects dealt with, for example the barrels 34. As each of the barrels is transferred from the stock room 3 the attendant in that room depresses the key 10 thereby raising the cam-shaped tappet 12 and shifting thedouble slide 18 t0 release a ball 8 previously entrapped therein. A supply of the balls is kept in the container 5, and one of the pun poses of the invention is to return the balls to the container 5 after the function thereof hasbeen performed.

Upon release of the ball 8, just described as having been ent-rapped by the double slide 18, it drops into the conduit 9, where it first 1926. Serial No. 125,492.

operates the lever 23 of the stock rcoin register 22. It later operates the lever 35 of the total register 36.

A similar operation occurs in the shipping room 4. Upon receipt of a barrel 34 discharged from the stock room 3 the attendant depresses the key 41 causing raising of the cam-shaped tappet 43 and` displacement of the doubleslide 'whereupon a previously entrapped ball 8 is released into the conduit 13 where it first operates the lever of the shipping room register 53 and finally operatesthe lever 54 of the total register 36 previously mentioned. Y

The supply of balls for the shipping room register is held by'a container 6, and as before, it is the purpose of the invention'to return the Aballs after the function vthereof has been performed.

This leads to a consideration of the present form of theinvention.V The conduits 9 and 13 meet at a place below the register 36 and result in a single chute 54. This chute is in posit-ion to Vdischarge the balls upon the long end of the elevator lever 55. This lever is pivoted at 56, the purpose of the adjacentshort end 57 being to periodically engage the successive. studs 5801i the 'elevator chain 59 so was to elevate the cups v6Owith a step by step motion and ultimately discharge the balls 8 contained thereby into a trough 61 at the top, whence they are distributed to the two containers 5 and 6. p

In practice the short end 57V of the lever will have a pivoted portion as' suggested in Figure 1, to permit passage of the extremity over the waiting stud on the return stroke of the lever. The arrangement of the pivoted end is such that the lever is rigid on the operative stroke but yieldable on the return stroke. It is observed that the end is considerably longer than the end 57, the weight of the ball 8 being sufficient by means of the multiplied leverage to operate the elevator chain 59 with its burden of balls in the cups 60. A c5' spring 62 returns the lever 55 from the dotted line to the full line position. Downward movement' of the lever 55, by virtue of the foregoing weight of a ball, ends when the lever reaches the inclined way 63. Upon discharge of the ball upon the inclined way the lever` returns to the full line position but the ball rolls down into one of the waiting cups 60.

Idler sprockets 64 and 65 support the clevator chain 59. These sprockets, in turn, are mounted upon suitable bearings. The trough 61 is .disposed in proper relationship to the upper part of the elevator chain, .any suitable means being employed for causing .the cup 60 to discharge the balls uponthe trough.

A crank 97 applied to the shaft of one of the idler sprockets, preferably the lower vlone of the two, permits manual operation of the elevator chain 59 for the purpose of initially elevating the balls to the trough 6l. The hand-crank is also intended to be used permanently as when the device is installed in a onesstory building in which Vcircumstance itis anticipated there maybe insufficient fall -of the balls to operate .the lever 55 as 1ntended.

vThe cups 60 are pivotally mounted .at 98 upon the elevator chain, there bein-g the provision of ,a protruding pin '.99 in a fixed :position adjacent to the trough 6l for fthe purpose oftiltingthe cups as they arrive .at the trough, causing `them :to discharge the balls .carried thereby.

It is observed that the opening 199 (Fig. l) in the trough 6l adjacent tothe hopper 5 is provided `with a slide 101. 'This slide per-- mits closing the opening' upon occasion, as 'when the hopper 5 has been filled vwith balls, permittingthe balls to proceed to the nent hopper 6 and fill that too.

Figures 2 to 6 inclusive illustrate the adap- :tation ofthe Vforegoing principle to the elevation of barrels, bales or other `objects of similar nature instead of ,the .compara-tively light balls Sas in Figure l. It is assumed, for the purpose of illustra-tion thatbarrels B 2) to be transferred from the platform 66 to any one of the floors 67, 68 and 69. The weight of the barrel in `.dropping upon the .elevator lever 70, which is `the equivalent of the lever 55 in Figur-e l, is the medium which produces automatic operation ,at the elevator to raise previously dropped barrels :as high as may be desired.

`After the barrels drop upon the. lever 7 0, moving it ,from the original ydotted line position to the full line position in Figure Y2 they roll down the :inclined Way 7l into position t0 be received by the pairs of curved arms 72, herein generally known as supports. In order that the barrels may readily roll under the 'end of the lever 70 it is necessary, in practice, to have the lever stop short ofthe inclined -way 7l, for example by means of a rest 1.02. The inclined way will have to be located a suitable distance beneath the lever 70 and not close together as shown in the drawings. 'The breaks in the frame structure and the chain ,88 are intended to indicate a Adisposal of the Vinclined ,way 71 some disclutch.

the elevator is carried. The end of the lever 70, corresponding with the short end 57 in Fig-ure l, has a rack segment 77 attached to the main body of the lever by a pair of spreading ,arms 78. This rack segment meshes with a gear 79 herein known as the clutch gear inasmuch as it'contains the elements of a Before proceeding, it should be eX- plained that much of the mechanism in Figure 2 is duplicated. For example, the fut crum 74.- extends crosswise of the shoulder (Fig. 3) `there being duplicate rack segments 77, as well Aas duplicate clutch gears 79. The purpose of the duplication is to equalize the application of power :to vthe elevator.

Reverting to the clutch `gear 7.9 it is noted in Figure 6 that theinterior of the gear has a central opening with a plurality of widening pockets 80. Each of these contains ea roller 8l, the purpose of the widening pockets and the rollers being to perform a binding Q Upon return of the lever 70 the resulting counter rotation ofthegear 79 will loosen the clutch elements, preparatory for the next turn. Achain 84 transmits the motion of the drive sprocket `83 to a smaller sprocket 85 fon the main shaft 86. This shaft carries a large sprocket 87 engaging both sides of the ,ends less elevator chain 88. A ratchet wheel 89 and pawl 90 holds the shaft 86 .and the vchain 88 at the end of each step motion so that there may be no retraction thereof when the lever 7 O makes a return stroke.

Idler sprockets 91l and 92 carry the chain 8 8. These are journaled upon the lframework 76, as is also the main shaft V86. By applying both strands or sides of the chain `88 to the main sprocket 87 all unnecessary `looseness of the chain is avoided, and at the `same time yall available power is employed to nieve the chain.

Specially formed links 93 and 94 of the chains 88 (Fig. 5) provide mountings for the respective curved arms 72 and the bracing means 95 thereof. The curved arms are spaced from the links 93 as at 96 either by means of sleeves `or hubs that make the connection between the extremities of the arms and the adjacent links. The purpose is to place the arms 72 closer together than the chains 8 8. The necessity for this arrangement is seen when it is considered'tliatthe iis 'pass between the chains 88 in order to reach the supports on the upgoing side of the elevator.

The operation is readily understood. In Figure 1 it is the purpose of the elevator 59-60 to return the balls 8 to the containers 5 and 6 of the registering devices of the stock and shipping rooms 3 and 4. Each of the balls when dropped into the chute 54 in the manner and for the purpose described above, strikes the end of the long arm 55 of the pivoted lever with considerable force, rocking the lever upon the ulcrum 56 until it assumes the dotted line position. The ball rolls down upon the inclined way 63 and into awaiting cup 60. rFhe same motion of the lever sets the elevator chain 59 in operation, giving it a step motion by virtue of the engagement of the end 57 with one of the studs 58. Successive step motions elevate the right side of the chain so that the balls contained by the cups 60 on that side ultimately discharge into the trough 61 whence they may be distributed to the containers 5 and 6 in any preferred manner.

The modification in Figure 2 utilizes the foregoing principle on a much larger scale, t-he purpose being to elevate large and heavy objects such as barrels, bales, etc. The ele vator in Figure 2 may be employed for unloading the holds of ships, etc., and as has already been brought out, it is the weight of the falling object itself that provides the power necessary for the operation of the elevator.

The height of the platform 66 (Fig. 2) above the elevator lever may be' variable, but in any case the dropping of an object, for example the barrel B will rock the lever 70 upon its fulcrum 74, cause rotation of the clutch gear 79 in the clockwise direction by virtue of the engagement of the rack 77 with the said gear, and in turn impart clockwise rotation to the main shaft 86. The left side of the chain 88 is thus elevated step by step, and as the barrels on the upgoing side pass the various floors 67, 68 and 69 they may be taken off of the supports 72 at such of the floors upon which it is desired to load the barrels.

Dropping of the barrel B upon the lever 70 is accompanied by depression of the level' until it engages the rest 102. The barrel then drops off of the lever onto the inclined way 71, rolling beneath the lever into position upon a waiting pair of arms 72, it being remembered that in practice the way 71 is located a suitable distance below the lever. As shown in Figure 4, the inclined way 71 is reduced in width at the place where it passes between the arms 72 that constitute the foregoing supports. There is no cross connection between these arms for the obvious reason that the supports must pass down at the sides of the way`71 as may be seen inv Figures 2 and 4.

" While theconstruction and arrangement of the improved elevator is that of a gen- I erally preferred form, obviously modifications and changes may be made therein without departing from the spirit of the invention or the scope ofthe claims.

'I claim f 1. Apparatus of the character described comprising a normally stationary elevator having object supports, a lever upon one end of which objects to be elevated are dropped, and means at the other end of the lever for operating the elevator by the force of the dropped objects.

2. Apparatus of the character described comprising a normally stationary elevator having object supports, a lever upon one end of which objects to be elevated are dropped, means at the other end of the lever for operating the elevator by the force of the dropped objects, means for returning the lever to a normal position after each' operation, and means for conducting the dropped object to a position to be received by said supports.

3. A device of the character described comprising a pivoted lever having an kend situated inthe path of an object being dropped, means for restoring ythe lever after rocking thereof by engagement of said object by said end, means to conduct the object beneath ythe lever,a`n elevator having supports for receiving objects from `said means, and means actuated bythe rocking motion of the lever for operating the elevator and thereby elevating they objects carried by said supports.

4. A device of the character described com-L prising a lever havingva rack at one end, a fulcrumV supporting the lever, the opposite end of the leverv being in position to be depressed by an object tolbe dropped, an in-r clined way stopping the lever upon depression and receiving the object, means to restore the lever to the original position after the object is delivered to said inclined way, an elevator having supports for receiving objects thus delivered from the inclined way, and means operated by the rack imparting a step by step elevating motion to the elevator.

5. A device of the character described comprising a lever having a rack at one end, a fulcrum supporting the lever, the opposite end of the lever being in position to be depressed by an object to be dropped, an inclined way stopping the lever upon depression and receiving the object, means to restore the lever to the original position after the object is delivered to said inclined way, an elevator having supports for receiving objects thus delivered from the inclined way, means including a ratchet and pawl mechanism for sustaining the elevator at the successive elevated positions preventing retracilo tion of the supports and the burden carried phereby upon the foregoing return of the ever.

6. A device of the character described comprising a fulcrumed lever having a rack at one end, the other end being in `position to receive an object when dropped, an inclined way stopping the lever and receiving the object, means returning the lever to the original position after delivery of the object to said inclined way, an elevator having supports receiving objects thus delivered to the inclined way, a clutch gear in mesh with the rack and being turned in one direction bythe rocking motion oi the lever, a main shaft having a sprocket in operative engagement with the elevator, connections between the main shaft and the clutch gear for transmitting motion in one direction to said main shaft whereby to elevate the elevator with a step by step motion, and means associated with the main shaft for holding the elevator after each elevating moti-on.

7. Apparatus of the character described comprising a framework, a pair of elevator chains 'mounted upon idlers on the framework, means for operating the chains with a step by step motion, said means including main sprockets engaging the chains and having driving connections, a wa inclined in respect to the framework an passing between the chains to a point in front of the npgoing side, a lever mounted upon the framework being in position to receive an object when dropped, and having Vmeans to then operate the driving connections of said main sprockets, .and supports carried by the chains receiving the objects when rolling down the way between the chains into receiving position in front of said upgoinv side, said supports including arms carried 2'by the respective chains and ,braces extending from the arms tothe respective chains.

FEDERICO Gr. .DIAGQ

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