US154647A - Improvement in firemen s ladders - Google Patents

Description

"teat; Each of ,fitheiterininalsections of 'th e ladder I" usually strengtheu by a cross-bar, 71,, extended PATENT. OFFICE? JOHN W Y, Q O MASSACHUSETTS. I

- lMHBO-V E MENT mi. Batman's LADDERS.

- ;:$pecification forming part/oflietters Patent 'N'oi 154,647, dated-September 1, 1874; application filed Jul 2,1874.

To all whom it may mm;

Begit known-that BJOR ltrflonwhnof 1 Boston, of; the county of Sufi'olicandState of; Massachusettshave invented'a'new' amuse-' ",ful Improvement in Fire-Escapesgj'anddo" hereby declare thesame to be fully described,

in the following specification and'represented :in thelaccoiiipanyingdrawings, offnihicli Figure-1 is a top view, Fig. 2-;f. a,side'elevation, and Fig. 3 a longitudinal section, of one of myimproved'laddcr fire-escapes. Fig. 4 is a; side ifiew of three'ofithe ladder-sections. I

enti 1'; is a ladder t the'niidd'les of the side oarsofleach"section; r-two eyes, all being,,as .hereinatt et f The second part of'my'inven a carriage-provided with 'standar and aconnectilig-bar, all be- I dgtransportin g such lad ing for supportinga der in a foldedstate;

. Each section is'co nposed-of a single rung,- a, and tw0"paral1el side bars, 11 -b.-' -These lat (i ate proper distance apart;- jg extendedthroughand be ,and into; and through two junction pinsd d, goingiloosely'through the bars and 1ink s,: a shown; 1 Keys e-c and. f, arranged as representerh and going'through the -rin g and Piv t S1,.

' nd admit of the side bars of one lded over uponor agai'ns'tthose other orfbrought into line with'the'm.

iro'm oneside bar to the other,- as shown, and pailedforfastene'd thereto. The first section,

serve to maintain connection iliary ring, 2'. Each side bar of each section,

at its middle, has;pi*ojecting from its inner side an eye, It. When theseveral sections are folded together and arran, .ge dfupon the carriage A, rods in, or ropes passed through such eyes serve to hold all-the sections together.

Thewheel-carriage; A isprovided with two standards or posts,*B 0, arranged at or near its opposite ends,,andprovided near their upper endswith 'a round; rail, D, run v through. .holes 0 'p iii-11110111; One of these posts, viz.,

that markedB, is simply stepped ortenoned into the carriage, the other post, at its foot,

beingh'in'ge'd to the carriage, so as totem, pabl'e offbeing turned down horizontallyfor about so. Italso has going through. it laterally another hole, 1', through which the bar or vrail D may be inserted. These posts and bars not only serve to keep the folding ladder upon thecarriage during its movement from place topla-ce, but enable the carriage, when within a huilding to be used near a window as a sup; 1 port for one end ot' the ladder, while such lad- 'derf' rna'y be hanging from thewindow or in use as a mean s' ofescape from-the building in case of it being oil-fire. Abail or chain, 8,

may be fixed to the uppereud of the ladder.

- 'Ido not claim a ladder having its sections connected by links;

I-claim--' i 1. Theladdergrnede in sections, connected" by joint] i nks:,"and provided with eyes It to'each section, all being 'substantially" as specified.

f '2. The ladder-carriage provided with the standards B 0' and theirconuecting bar D,all asand'for use withftheladder, as explained.

, v JOHN R. CONWAY. Witnesses:

R. H; EDDY,

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