US1599106A - Portable crane - Google Patents

Description

Sept. 7 1926.

WEATHERS PORTABLE CRANE l 2 Sheets-Sheet l Sept. 7 I1926. n I H. w. wEATHERs PORTABLE CRANE Filed aan. 22, 192e 2 sheets-sheet 2 Y Patented Sept. 7, 19h26. y n

PATENT OFFICE- nnnnwnrsonor .eU/eUsTAQQEoRGiA; Assmnon or ONE-HALF f'ro JULIA MELyILLn kn(aire frrir;roi* guasrA, GEORG-IA.

` roitcriinmi'lk CRANE,

This invention 'relates to cranes.

The essential Aobject roffthi's inxiention'lisito irovideffe. vsi'r'nple leind *inexpensive Graine, which may he utilized in garages to Aelevate the liront' or freer ends Ko: automobiles, so' is to makey the under parts thereof readil;T ec'- Cssible. y Y 'Y The crine is nso? weil adapfedffef the' loading n'of' automobiles 'in boze eers, -i-nloadiii-g' automobiles iny freight V'cars they are loadedl sometimesA three en d` sometimes yfio'ur to tliejfcar. 'Wheretlie shipment fisof three automobiles, two are loaded on fourwheels iiililethefthird'oe liasitsi front end 'elevatedV agaifis'tftiie 'and 'ofthe being heid in p;-

` i i' fdzingerous'to "loweritliese en'dc'arsto the floor supported by'fstout tinhers; 'Wlii-h must' yhe reiiioved vwhen.gtle j-aeks ,arei placed-iin' position and in `the process of loiverin,'f, the'j ath support must/be *changed two ort-lireetiiiies. 'This neciess'itiites` considereble fllir. and very ezireulwork Yon Vthe part Yfftlie operettore.V

It is l therefore anfither: ohjeetrofth'is iniifen-r height of freight our andfwliereby the'llifte'd Another, object ofthe inreiitio'n isthe prro-y yvision oie portable,E crne oi? 'simpleconstruc- Ation embodying jftjchaiigirigi"4 the leleration ofy tlifeppoiut of support'o'f thechain Ytheir?,obieetswilltappen;:isitheffoiimgf.

' in connecfilogwlththeagccnipanyingdrawings;which t n forni apartoffthe application; and in :Figure 1 lis a perspective View showing the lcrane yattached to and supportingthe tffriiten'd of an automobile in elevated posiion.v f Y Figure 2 is a detailed sicleelevation ofthe eiiewith parts lorolien away uto'bett'er illusn tifare' the methodyof adjusting the @hein hoists.supportingl erin.

Figure 3 is 2t perspective View oi cherchfiin hoist supporting arm removed. f "Fgiire 4' is an enliged' cross seotionzil Vieira on the lines 444 oi: Figurej2 and.

Ak{Fiffrgure Vffise fragmentary vrear elev'tion; dReferring. now to tlie'ecompenyinzq drawings which like reference: hchatraeters are lejpjjilietl "tof likey pziit'sftliioughout the uriews'.

, `lindiea'tes a rectangular frinnepreierhlir vn iade Yup Aofengle irons riieted` together and niliersfthereolfslightly A to one" side longitudinal center;ere'iiicline'd uprights. or supports3,jwliich converge "to: a

peint llc"v :and: then entend a, i further, distance V.in spaced parallel"reletion'assliown at' 5f;

these supports are 'hrzieedy egainst leterl movement and"he'ld in' proper position by cross bers 6 and 7, anduhy diagoiialfstrutsS, ns1 shown'. kThe supports are also braced in .their inclined upright position; by the Vertiycel struts orfbra'ces 9,` which `ire secu/red t e, Y

their Alower endsi jto' the n'side hars of`tlie freine 1` Azuid: converge `.to-thehi;llOlt of' at-` vftitehnient With] the uprightsf 3," it i fp 'oiiit slightly'helow the'p'o'int These hreeels" or struts 9 `are riveted or. spot-Weldedfto the p1 ights 'The upriglijts 3 ineiyfhe also-frivneotedto the freine 11.1

order tota'flecereofthe forward further Vassist in-braeing' the seine Ilis'ecu're tgothe.'reerportioiifof frame' l, etfopp'osite sides thereof,` guy rods orbfars 1.05 which Lare ettaolildi'to the, upper end of" the uprightsY 3 by athrough bolt 11 which has surrounding the same, between the uprights, a spacing sleeve 12 which serves in part to hold the part 5 in spaced relation.

Secured to the uprights 3 in any suitable manner, such as by riveting or spot-welding, is a bracket member 13 ot 'Ll-shaped formation provided with a reduced loop 111 for a purpose to be hereinafter described. rIhis bracketpreterably straddles the uprights 8 above the point 11 and serves with the sleeve 12 to hold the part 5 ot' the uprights in spaced parallel relation.

'In cranes of this type a multiplying cha-in hoist is usually employed in connection with some suitable type ot grapple, such for instance as illustrated in my Patent No. 1,555,- 725, granted September 29, 1925, and in order to support this chain hoist and grapple in proper position to engage either end of an automobile or other article to be lifted, I provide an adjustable extension 15 here shown in the form of a flat bar approximately three-fourths inch by tour inches in cross section and preferably three or more feet in length, this bar is arranged to lit and slide between the parallel portion 5 of the uprights 3 and is provided with a series of diagonally positioned notches 16 throughout a portion of its length and arranged in its `front edge, and a central aperture 17' positioned in its forwardly extending end 18 when in position upon the uprights 3 or between the uprights 3, the extension 15 has one of its notches 16 engaged over the sleeve 12 and its lower end engaged in the loop 1e of the bracket 18, in this position when weight is appli-ed to the cha-in hoist, which is supported by the :forwardly extending end 18 the extension will ulcrum on the sleeve 12 and its lower end will engage the loop 14 holding it irmly in adjusted position. By changing the height of the extension, on the supports 3, the point of support of the chain hoist may be regulated to suitable position.

From the foregoing it will be seen that I have provided a very simple and cheaply constructed crane which may be easily and rapidly adjusted to change the height of the point ot support of the chain hoist, in this manner the lifted end of an automobile may be raised to any desired height or may be lowered from such height. The fact that the crane is portable or movable in any direction makes it convenient to handle and if the end of the automobile which is being raised is chocked the crane will move toward the automobile as the end is being raised or away from the same as it is being lowered automatically.

*While I have described one .specilic embodiment of my invention I desire it to be clearly understood that many changes and modifications may be resorted to in practice,

which are not specifically covered by the foregoing description, but which fall within the terms of the appended claims.

In the claims I shall refer to the part 1 as a truck or possibly as a castered or wheeled base, but wherever these terms are used I wish it understood that reference is made to the frame 1 or to the frame 1 and its supporting casters 2.

What I claim is:

1. In combination a wheeled base, uprights carried thereby, connecting means for said uprights and a grapple litt supporting member adjustably supported upon said connecting means whereby its point of support may .be raised or lowered and means 'tor holding said member in rigid adjusted position when a weight is applied to said grapple liitt.

2. In combination a wheeled base, braced uprights thereon, means for holding the uprights in spaced relation, and a chain hoist supporting member adjustably supported on said spacing means, whereby the point of support of said hoist may be raised or lowered.

3. In combination a wheeled base, braced uprights carried thereby, means for connecting and holding the uprights in spaced relation, a chain hoist supporting member pivotally and adjustably mounted on said connecting and spacing means, and means for limiting the pivotal movement of said member.

et. In combination, a base having casters thereon, braced converging uprights carried by said base, means for connecting said uprights in spaced relation, a chain hoist sup-4 porting member pivotally and adjustably mounted on said spacing means, and means carried by the uprights for limiting the pivotal movement of said member.

5. A portable crane comprising a base supported on casters for universal movement, an inclined upright secured to each side of the base, said upright-s converging toward their upper ends, means for connectting the upper ends of said uprights, a notched chain hoist supporting member adjustably Vmounted upon said connecting means and having pivotal movement between said uprights, lifting means adapted to be connected to the upper end ot said member, and means for limiting the direction of movement of the lower end of said member.

6. A portable crane comprising a base supported on casters for universal movement, an inclined upright secured to each side of the base, said uprights converging toward their upper ends, means for connecting the upper ends of said uprights, a notched chain hoist supporting member adjustably` mounted upon said connecting means and having pivotal movement be- `to be connected to the rupper end of said member, and a bracket secured Ato the up- .rights and adapted to limit thevmovement of the lower'endV of said member. 7. A portable Acrane comprising a casteredV base, an inclined upright; secured to each side of the base, braces connecting said uprights, braces connectingjsaidupriglits and said base, means connecting the kupper ends of said uprights, spacing means on .said connecting means for holding the ends in spaced relation, a supporting bar for lifting means having a plurality of notches therein, said bar adapted to be adjustably and'pivotally engaged with said spacing means, and a yoke shaped bracket straddling the uprights and adapted to receive and limit the movement of the lower end of said bar. Y v

8. In a portable crane, a4 rectangular frame supported upon casters, an inclined uprightcsecured to either side of-said frame,

said upr-ights convergingr toward their upperend and then extending on in spaced parallel relation, a through bolt connecting the upper ends of said uprights, a sleeve surrounding the bolt between the uprights for holding the same in spaced relation, a notched bar for supporting a lifting means, said bar having an aperture in its upper end to receivev a chain hoist hook or the like, said bar adapted to be adjustably andV pivotally supported upon the spacing means, a yoke bracket straddling said upright-s and serv-` ing to limit thevmovement of the lower end ofsaid bar, and struts connecting f the through bolt and the frame.

9. In a crane, uprights, connecting means` for said uprights,v a hoist supporting element pivotally mounted on said connecting VmeansV and means carried bythe uprights ture. f

VHENRY WATSON WEATHERSL I afliX my signa-

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