US1470815A - Sling - Google Patents

Description

' ments "in: Slings;

Pa me efoei. 16,11923. j

To all whom it emeem-g Be it known thatgL CHARL oitize i' (ii-{ he Uni te 1 i Honolulu, in the 'Ter'ritol the following to be z iffull, elefa y' and description of the" 'inventio ifsuoh as will enable others skilled inlthe meme apperteins to mass e usethe sim'eg' The" inventioh' rele'tes' tofil siz'riplef and etlieientfform of slihgl fo'i hindingtjz ndjtrans- 1 portinglozids or. bundles footloose material, comprising a pain-of crossebalr'sv'pivoted to?) united by 2t;- releesa-blelatch elfcoupling has one end secuifed to e bolt 2O mounted get-her intermediate theirp'ends, cn, stitutmg a SQISSOT'SwllkQ frammeechof said hers having a guide means "at one end,

pi'eferahly provided with "a "sheave oijguide roller 'mounted therein, and a "fieg'nble" loop passing through said guide meahshaving' ts 7' opposite end attaehedto the-oppos te ends of the "cross-baits, and ffiexihie'jfsuspension means te'oiinectiiig s'aid .e posite hai ends, which tend: to move the 'fsciss'ors frame to closed position, hen the-loe d is surrounded 'bythe flexible 100113116! a lift-7 ing force applied! to the sling whei eby the load is securely bound between the flex ble loop. and the closiiig bers of the frameflthe bihdingforce applied to the load being proportionate to the Weight of the letter; In the accompanying drawings,

Fig. 1 is in" elevationof th sl' the load is applied; 1

Fig. 2 is a similar view showing the sling and applied load;

befoi e Fig. 3 is a plan view oi the scissors like frame of the sling;

Flg. 4 1s a perspective v ew of cross-bars of the frame.

Referring to thedmwings, 1 and Zere one of the two cross-hers pivoted together intermedin atetheir ends, by a; bolt or pintle 3 sojthet "said hers constitute a soissors-likeframe capable of being moved tofully open posi- 7 tion, ,as illustrated in Fig. 1, and to partially closed position as shown in Fig. 2.

hach ofseid hers is provided at one end i with a guide opening or slots in the outer end of which .is mounted a guide shes-veor' roller 5, shoulder 6 to engage the lower edge of the co-opemting bar and limit the opening movement of the-frame, and a per foreted lug- 9 on the end opposite that e ariye ing the sheave 5. Preferably the en d of i oiiA's-L1is osozinefos zsosoimmmmo y. or :HAWA iI.

H V I SLlIfNG. V I

L is

'm'ent-ed certain new and "iise iuliinp ovel tr ted act f x .fie'xilole' eonnection'l3 is intei'posed betxveen thei 'ing Hand e bail 12 secured to the ypivot '3;o1EY-th{e fr'ame,' and serves to limit the seetion having interposed therein {a releasm hle latch comprisinglainembei flg having ae 7 slot 24: therein into' which 3 is slipped a link roelnhe i-fi'oh theend of oneohain section, said member 23i'being eeeentrically pivoted s 26 to release ,javv 2 L pi'nlfilge extension 10. ,.-.f he end closin movement" of the fie-me w en the o able," p efe g ably formed with two; sections i ow d di'w i h I I o." ithe'b'a rsilffsud 2 ass gn-f4 nectedfth 'ough;the;pe iomted lugs 9 60.

ehain -seetioiis lfifivith i fieXihlefloop consisting offs: ehainor near the end of the bars 2,sa;id loop passing through the guide openingsl (in the ends illustratedin the drawings, the flexible loop at 26 in" a' yoke member 25-securedto the end of'the otherfehein section The member 23 ls provided w th strip cord or rope,

Whereh said member is swung on the pivot It Will hehoted that the two bars of the:

" frame are homologous and, interchangeable and that thefiexible loop ofthe sling-may have itsp erma-nent etteehmentto either of the bars, on the corresponding'bolt: o stud 20. Ohviously if desired," both ends, ofthe flexible loop maybe detachahlyconnected to the ecor'responding bar end. 7

the lii kQZ from; the slottecl,

In applying and operating thesling, the J Inaterial to "be bundled and transported thereby is assembled in suitable piles, each pile constituting a loadior the slingl The scissors-like frame is'loeked in open posia tion by passing spin through registering holes 8 inthe bars, and the frame is then laid chose-Wise o-f the pileThe sections of (latch,v oneoifthe loop sections "is passed un 'derfthepile and thetvvo loop sections joined 1 together by the latch device. Thelocking pin is theni oivithdrawnjfromtheh'oles o8 and the slingfis raisedh ya suitable lifting de vice connected to the ring 141 The lifting j force applied to'the sling and resisted byj' the" load causes the t'woibars otthe frame cto swing'onitheirlpivot 3, likethe closing 7 movement of a' pair. of Scissorsfuhtil .suc'h 4' movement is arrested by the conjoint action.

j "oolfithe flexible connections and ".13. The relative movement of the two bars land 2 "causes the sheaves 5, "57, on the ends thereof j ftoengag'e the flexible 'loop surrounding the load, and,\as"thesheaveends of the bars "move downward, the slack 'in the jfiex'ible "loop is taken "up and 'theolatter is'drawn' taut about theload, as indicated in Fig. 2,

-'so that'the load isfirmly clamped between the ends of the frame and'tne flexible loop,

I i "andmay'besafely transported to the place otfinal disposition :Without danger of any f the elementsof the load Working loose. To discharge I the load, it is only necessary f to "release the latch mechanism econnecting 'the sectionsof the flexible 1'0o .,,The sciss'or's' "frame of the sling is then again moved to-open posit on'andthe bars 1 and 2 locked in thls relation 'by "passinga-pin through one or'the other-sets ofgregist'ering openings 8 in .1 said Ibars.

It Will be understood that "the guide slots and 'sheavesin the lower ends of the bars,

" while constituting the preferred construe tion, aremerely exemplaryfandmaybe sub stituted by any other suitable form 'o ttconfiningg uide means associated with thelower ends of the "bars, throughiivhic'h the flex- 7 i'ble loop passes; It will also be obvious t fth'at any other suitable meansfor securing suspending ends of said bars. i r v, ;2. A slingicomprising cross-bars pivoted togetherintermediate their ends, a tfiexible the free ends of thelfiexible loops to the "upper ends of the bars 'in'aylbe employed.

What I claim is:

1. K sling comprising cross-bars pivoted together intermediate their-"ends, a flexible loop having its ends attached to the upper diate portion passing through confining guides on thelower ends'of said bars, and means, connecting the upper looplhavingitsends attached to the upper:

ends-ofthe respective bars, and its interme- ClltttQ'flJOItlOD',1)1SS111g through confining -guides on the lower ends of said bars, flexible .suspendingimeans connecting the upper ends of said bars, ianda flexible tie between the iniddleio f said suspending means and the pivotal axis ofsaid'bars. I .3. A sling comprising cross-bars pivoted together intermediate their ends, each having agu'ide opening atitslower zend, azfiexible loop passing through. said guide openpending means connecting the upper ends of said bars. V c

4:. A sl ng compris ngcross-bars pivoted 'means connecting :the upper .ends of ;said

bars. i

In testimony whereof I aflix :my=.s'ignature.

onannnslonozinn.

ings and having its ends attached to the -up 7 per ends of .thecross-bars, and flexible \su-stogether intermediate their ends, reach hav-

Images