US854890A - Loading and unloading apparatus. - Google Patents

Description

APPLIUATION FILED JULY 16. 1906.

LOADING: AND UNLOADING APPARATUS.

'11 econo io ment in loading'and unloading apparatuses,

4 and particularly "relates to '2o lng osition, and for 2 5- more clearly pointed outhereinaiter. i

` illustrated 3o of the shaft or hoisting apparatus taken on 4ou type, comprising suitable vertical standards 1 AXEL a. HOL'MN', o

PATENT OFFICE.

LOA-ome -AND "uNLoAolse Assas/true.'

Speeinoation of Appleman nea my 16.1906.. sain No. scesa?.

To all whom/ it may concern; u

p R. Hennen, a citizen of Sweden, residing atColmbus, in the county of Franklin and State ofOhio, have invented certain new and. useful lmn proveniente in Loading and Unloading Apperratus, of which -the `following is a specificaE tion.

'My invention has relation to an improveh t improvements in theconstruction illustrated and described in -my former `patent No. 763,182, dated. June 21st 1904. p

The object of my resent invention is to provide a loading 'an unloading mechanism Aof the class referred to in said#patentf with means for automatically opening the coal chutewhen the bucket is descending to a iill closing 'said chute when the ucket is vfilled 'and is bein elevated.

With the above and other objects in view my invention consists of certain detailso [construction and operation which: will be These objects I accomplish in the `:nznanner in the accompanying drawings, in which: l l 4 Figure 1 is a central vertical sectional View line a as of Fig'. 2, Fig. .2 1s a view in elevation of a portion of one of" thehoisting shafts showing my improved ates or chute closing devices in connection erewith, and,-Fig.\3' is a transverse section on line y y ofv Fig. 2.

Similar numerals refer to similar parte throughout the several view As 1n my said former construction, I em-V ploy a vertical shaft, of the elevator shaft and top cross frame pieces' 2. Extending outwardly and upwardly from one face of the shaft is a coal chute 3.

4 represents a portion of one ofthe load .carrying buckets which is disposed within the elevating shaft and movabl supported by suitable cables 5. For the sa e of clearness in illustration, this bucket is omitted from Fig. 2l of the drawing. The bucket 4 is designed to be lowered for the purpose.f loading, to a point immediately beneath the outlet or lower end of the chute 3 and in order to insure a closure of the greater portion ofthe space between the bottom of the chute and the bucket, the latter is provided onv its upper :ceases raient. released my es, ieo'v.

toward said chute .and which for the sake of clearness, is not-shown Fig. 3 of thel draw mg. i i. 1

At the point where the chute 3 .enters or connects withthe shaft, the adjacent stand v ards 1 are'provid-ed on their inner sides with oppositely located vertical guidewa s, there bein twov of'thse guideways in eac of said st'antgiards' and the. saine being indicatedat 7 and 8.- The guideway 7is formed between the inwardly projectingportion of a plate 9 which is seouredto they standard and themwardl'y projecting member'of an angle bar.` 10 whichvis secured tothe inner face; of said standard; while-the' guidewayS-is formed between 'said angle bar anda frame stri 11 which is also secured'tothe inner side 0 the standard.

12 represents a gate wlnch 1s m the nature of a closure plate,- said gate being provided at its upper and lower corners with dprojectin rotatable rollers 13 .(see ligs.4 2 an ),.whic rollers are adapted to run in the opposing guideways 7. I also. provide the upper corner portions of the y wardly and u wardlyinc ined guide lingers or bars 14 which extend igt() said grooves or 'deways 7. The ate 1 has secured to its izalde and projecting aterally therefrom past the vframe standards, bracket arms 15, with which are connected the lower ends of' cables 16, the latter running over pulleys 17 having journaledl supports from the u per frame wei hts 18. Pivotally mountedA in lugs proate y 12 with out" cross bars 2.A The ends of sai cables arev provided with suitable counterbalancing l jectlng from the lower and central'portion of the gate 12 is the. central portion of a catch bar 19 the outer and upper end of wh1eh 1s hook-sha ed as indicated: :more clearly 1n Fig. 1 of tihe. drawing. The hookend oi the catch bar 19, is normally pressed outward by the ree end of a spring stripA 20, the4 remaining end of which 1s, secure to the gate 12.

The gate is also provided on its. inner face lwith a transverse angle bar Onv that face of the bucketA which `1s adjacent to the hereinbefore described standards 1, I provide a transverse angle bar' 22. InFig. 1 of the drawing, I have shown the load carrying v bucket 4 supported beneath the mouth or outlet of the chute 3 in position torecelve'a load therefrom. In this position itA W1ll be observed that the projeotlng member of the bucket angle bar 22 is in contact `with thesidewith a projecting lip 6 which extends 1 upper face of the gate angle bar 21, while the .spring pressed hopk end thecatch bar 19 1s in engagement with an inclined lug 23 which projects from the lower portion of the bucke Assuming that the bucket has been filled with coal or other material from the chute 3 and that the mechanism for operating the bucket is ut into o eration, it will be seen that the e evation ol) the bucket will result through the engagement of the catch bar 19 and lug 23 in a corresponding elevation of the gate 12. When the gate has in this manner been raised until the' outlet end of the chute it will be understood that the rojection 22 of the bucket will contact with t e projection 21 of the gate 12 and force the latter downward until the catch bar 19 is again sprung into engagement with the lug 23.

In order to rovide positive means for closing the disc arge end of the chute in case of a failure in operation of the hereinbefore described gate, I rovide a second or auxiliary gate of a similar character which is indicated at 25. This auxiliary. gate as prescribed for the gate 12 is provided with aterally projecting rollers which are designed to run in the guideways `8. Extending on the outer side ofthe gate 25 is the horizontal ortion of a crank shaft 26 which is journaled) in the opposing frame standards 1. This crank shaft carries thereon a fixed pawl or `dog 27, theouter end of which is adapted to engage when said shaft is pro erly turned, one of a series of notches 28 whic are formed one above the other in the .outer face of the gate 25, this engagement resulting in said gate 25- being su ported in an elevated position as shown in igs. 1 and 2 above the mainbody ofthe chute. The gate 25 is rovided at .its lower corners with lips 29 w lich project in the path of the lowerate 12, but which are out of the path of the ucket projection A22 for the reason that thelatter has Iltis end portions cut away as indicated in case of a failure of operation of the first described gate 12, it is obvious that the discharge end of the chute may be closed manually by turning the crank shaft 26 until its pawl 27 is out of engagementv with. the gate notches 28, thus permitting the upper gat(l to drop in front of the chute outlet. `On the next upward movement of the lower gate, however,it is obvious that the up er end of said lower gate will contact' with t e projections 29 ofthe upper gate and raise the latter to its normal or elevated position, in which position it may be retained by 'engagement with the 'pawl of the crank shaft.

From the construction and operation shown and described, it will be observed that simple and substantial means are provided for the closing of the disehar e end of the loading chute ,when the bucket as been filled and for opening said chute when the'bucket is assuming the filling position.

What I claim, is:

1.V In a device of the character described, a reciprocatin gate adapted to open and close its outlet, ogs pivotally connected therewith, a reci rocating receptacle adapted to engage the ogs, and means to move the said dogs out of the path of said receptacle.

2. In a device of the character described, a

reciprocating gate adapted to open and close its outlet, brackets on the gate, dogs pivotally secured to the said brackets, and a r'eciprocating receptacle arranged to engage.

the said dogs.

3. The combination with a shaft having loadin chute leadin(Jr therein, a vertica l movab e gate adapted -to close the discharge end of said chute by being elevated in said shaft frame, a'second gate slidably mounted in the shaft frame and adapted when lowered to close the discharge end of said chute, and means for detachably supporting said upper gate in an'elevated position, of a bucket movably supported in said shaft and adapted when elevated to carry said first mentioned lll gate to a closed position and when lowered to move the same to an open position.

i 4. In a device ofthe character described, the combination with a su porting frame, of a vertically .movable buc et, a chute the lower end of which is secured lt'o said frame, a gate whichwhen elevated closes the lower end of' said chute, means carried by the bucket for engaging the gate and depressing said gate to open the lower end of the chute as the bucket descends, pulleys mounted at the to ofthe frame, cables. which pass over said pu leys and have one of their ends secured to the gate, and counterbalancing weights which are secured to the other ends of said cables.

In testimony whereof I affix my signature in presence of two witnesses.

AXEL R. HOLMN. lVitnesses:

A. L. PHELPS, CARL S'roUGn'roN.

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