US981261A - Hanging scaffold. - Google Patents

Description

G. M. HAYNES.

Enema SGAFFOLD. APILIGATION FILED JUNE 27, 1910 Eatented; Jan. 10,1911.

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F C I CHARLES M. Barnes, or :NEWKRK', nnwannsnx, ASSIGNOR o nonE-HALr-ao Jenn 1 ONEIL', on NEW YoRK, .N.1.Y.

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Specification of Letters Patent.

' Application filcd'J'une 27, 1510; Serial llo. 569,027.

To all whom 'itmay concern: i

Be it known that I, CHARLES M. HAYNES,

a citizen. of the United States, residing at Newark, in the county of Essex and State 'of New Jersey, have invented certain new and useful Improvements in Hanging Scaffolds, of which the following is a specification; i

I Q o a i Thls invention relates to hanging scaffolds, the object of the invention being to; provide aneffective device of this character having simple means for raising the same,

said means beingso located as to-be out of- ,the wayof the workmen occupying the scaffold, although-readily accessible. The dev ce possesses other features of improvement and-utility which with the foregoing will be set forth at length in the following descripticn wherein I will outline that form of embodiment of the invention which I have selected, for illustratiom-in'the drawings-accompanying and forming part of the present specification, this disclosure beifig primarily to enable those skilledin the art to practice the invention. The'novelty 'ofthe lnvention will 'be' included inthe; claims suck ceeding said description and at this point I- might observe that I do not restrict myself to the showing made by saiddrawings and description as I may depart therefromin several-respects within thescope. of my invention as ex pressed in said=elaims.

Referring iO Stlld drawings: Figure 1 1s a plan view'of a scaffold involving my in-' vention, and, Fig.2 is a front elevation of the same.

Like characters refer to like parts in both figures of the drawings.

A scaffold comprising my invention can lie employed with advantage in many differ-- out ways, for instance, in the formation'of masonry around a steel structure, and in this particular use the scaffold is generally hung from beams or girders which extend outfrom the building, or which, if necessary,

.may be within the same, this ppin'tnot being consequential.

The scaffold pn-ferably embodies in its construction two laterally separatedv main or platform supporting 1nembers'2 and 3 which, as shown, are customarily disposed in parallelism, and'a c nnecting or transverse member 4, each of the three members being usually of skeleton or open construction and being preferably in' horizontal alinement The platform-supporting members 2 and 3 ordinarily extends out from'a buildjmg and the connecting ortransverse member acts through cables or ropes as to equally elethis reel mechanism is mounted on the conof the'vOrI'cinen occupying the scaffold and who generally travelfrom: one of the mom or boards bridging said"membe rs 2 and 3.

in itself, and.there may be anynum'ber of these units along a building, and where several are employed'the interval separating the same is approximately the same as thatbetween the members 2 and 3 and where a plurality of these scaffolds or units are utilized bridge, work may lie-utilized to connectthc same if desired. t

The different parts of the reel mechanism are sustained in some suitable manner "for example, by a frame 7 shown as consisting of approximately inverted U members, the legs or branches of'whi'ch. are substantially fastened to'the connecting member 4 practiczilly, centrall between the ends thereof.

are mounted spools 8 and .9 which are preferably rotatlvcly connected so as to turn as might .bii',operatcd independently. I have shown rigidly connected with one of these spools or drums, for. example, the spool 8, a worm gear 11 in mesh with a worm' 12, the shaft of which is provided with a pinion 13 in mesh with a spur gear lflcarried-on the shaft 15, said two shafts being supported by suitable bearings on one of the sides of the crank 16 by which t e same can be turned,

"vate all' parts of the device and preferablylbers (2 and 3)" to the other by planking The Structure thus far described is ,a unit one, although it is conceivable that they frame 7 and the upper shaft carrying a -latented Jan. 10,1911.

4 1s preferably located at the outer portion 3 are shown as provided at their inner ends v it As a -'c onvenient means for raising the gjscafloldfI p'rovidereelmechanism which so necti 'member4. so as to be out of the way Between the Si e'sior branches of the. frame thereby, through the intermediate )arts turning simultaneously .thetwo spoo s ,or

' drums 8 and 9.. In-view of the character of atedat the rear ends of the main or the gearin accidental baclnv'ard movement of the spoo s will be positively prevented, although the spools canbe freely turned to elevate thescaifoldi andas a matter of fact they can. be as .easi

.y .turned to effect lowering of the same.

. Connected with the spool 8 and extending outwardly therefrolnare cables or ropes 1-7.

and 18, while from'the' spool '9 complemental land '18 extend. The

cables or ropes 17 cables 17 and 17 in the present instance pass under .gui'de sheaves 19 shownas situ form supporting members2 and 3,. the extreme outer en s of said cables 17' and 17' .after.they have passed the sheaves 19 being connected withgirders or other equivalents located above the said main members 2 and 3; a The cablesilSfand 18 pass aroundguidc I sheaves 2O rotatively supported'by the main 'thoughnthe two setsof referred It, therefore, the crank '16 is turned in such direction as to members 2 and 3 respectively and situated in wind the cables 17 and 18 and17 1 to the spoolsor drums Stand Othe platform v is lifted and that owing to the relationof the raising the structure.

, separated members, a connecting member for two pairs of -cab parts, the .outer and inner ends of thema-in members 2 and 3 are'lifted an equal extent.

Thereare, ofcourse, within the spiritpf my inventionother Ways of turning the spools or drums 8 and 9, and 'the're'are other Ways for guiding or positioning thehoisting or lifting cables, and it will .be observed that the cables which are employed for sus pending the structure are YVhat I claim is:

1. A hanging scaffold comprising laterally the laterally separated members, a hoisting device supported by the connecting member, es extending oppositely platand lS'on':

and a connecting member 4 I supporting members, combined witl'igcable means'f0r supporting the scaffold Structure so utilized in from and operable b and'..guide sheaves fbr the two pairs of. cables, support-ed by the laterallysgcalparated members at longitudinally separate thereon.

points 2. A' hanging scafi'oid comprising a pair fold structure,

supported by the laterally- Iof laterally-separated members, a connectingmember for the laterally separated members, two pairs of-cables for supportin the scafa plurality of gui separated men"1- e; sheaves bers, for receiving-the said cables,:-and m cans on said. eonnectin 3; A hangin member, for feeling said cables to elevate t e scaffold structure.

scafi'old com prising laterally: separatedmern ers, a 'connctmgmember' for the isangaevie; as

the laterally separated members, sus )ending. cables for the scafi'old, the lateral y' separated members having guidesheaves forthe cables, at longitudinally separated points,

.andmeans on the connecting member. for;

simultaneously reeling the cables.

4. A hanging scafi'o eludin ascaabla structure comprising. a pair 0 laterally separated, platform supporting member'sseparated mem ers combined withw r means for supporting the scaffold structure? at difi'erent points from front to rear t cable" and a connectin 'meniber forsaidlaterarlly 'eo here;-

of, and means onsaid connecting umb r for reeling said cable means toelevate, said-5 'sc'afi'old structurer 5. A ha'ngingscafi'old comprisi'n scaf fold/structure including a pair of ater'alI-y and a. connectin member for said latform- 31 From said: platform-supporting members at longitudi-'- "nally-separa'ted points, and means on the rising connectingmemberfol-reeling said cables.

6, A hanging scaffold comprisinga scaffold structure m'eluding a pan of laterallyseparated, platform-sup orting members and rising ther'efromfat from front torear thereof,

d-ilferent points separated, platform supporting members or said platform f Witnesses in presence ofltwo witnesses":

t CHARLES M,

" SAM EL P.- WATsoIjI, 7 I

E'UoENE KnamsoN.

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