US1936195A - Fire ladder - Google Patents

Description

M. HONIG FI RE LADDER Nov. 21, 1933.

Filed April 22, 1932 l INVENOR .Mar-ras Hon BY Patented Nov. 21, 1933 UNITED STATE S PAT t I M 1,936,1 95 v `V i v a FIRE LADDEB i i Morris HODS'NCW r N- .T v Application A ri-1122,ie zgs riaNmeoaw T 4 Claims. rol; 227 12 y This invention relates to new` and useful im- This means consists of a shaft 15, rotatively supprovements in a safety elevator. V ported on standards 16 mounted inthe cavity 10. i i This invention is similar in subject matter to The innermost of the U 'shaped members 13, is my Patent No. 1,794,175', issued` February 24, rgidly Secured at the bottom end 17 upon the I 1931. i i i i shaft 15. A gear 18 is fixed upon the shaft'i, 60` The invention has for an object the construcandmeshes witha train of gears19, terminating tion of a safety elevator which is characterized in a worm 20. The worm 20 is fixed upon a ver-` bya plurality of substantially U shaped members tical shaft 21, which has ahead formed atthe set into eachother and formed at the sides with` upper end and located within a recess 22 in the guide arms extended into each other, and a car- -ground so that the elevator may be` raised to 65` riage riding upon said'guide arms i various inclined positions by `plac ing a turning Furthermore, the invention proposes the artool upon the head, Dot and dash lines24 illus-w rangement of means for' extending the various trate the elevator resting against the building 11 v U shaped members so that diierent heights may in various inclined and extended positions. :5 be reached. i Acarriage is disposedbetweenthearmsof the 7 .As another object of this invention it is pro- U shaped members and'at the sidesprovidedwith posed' to provide means whereby the various U a roller 'structure engagingthe guides 13 Each 1 shaped members may be held at different inclinaof these 'roller structures consists of` abracket 27 h tions. r i upon which a pair of arms 28 are 'swivelly mount- The invention has for a still further object the ed; Ro11ers29 are mountedupon the outer end of 75 Construction of a device of the class mentioned the arms 28. Springs 30 are coaxilly mounted which is of simple durable construction and which upon the pivots of the arms 28 and act between may be manuactured and sold at a reasonable the bracket 27 and the arms for normally urging cost. A 'the arms towards the guides 14. The rollers 29 For further comprehension of the invention, will thus engage the guides' irrespective of the 30 and of the objects and advantages thereof, refer- `width of the giudes which varies when the `U ence will'be had to the following description and shaped members are extended. I accompanying drawing, and to the appended A means is provided for hoisting the carriage claims in which the various novel features of the 25, to various elevations relative to the outer 30 invention are more particularly set forth. U shaped member'13. This means comprises a Figure 1 is a side elevational View of a device cable 31, attaehed upon the top of the carriage constructed according to this invention. 25, and extended over a roller 32 mounted upon Fgure 2 shows the same device applied upon the upper end of the .outer U shaped member. a truck. i This cable may be drawn manually or a drum 35 Figure 3 is a front elevational view of the de hoist,. not shown` on the drawing, may be em- 90 vice shown with the U shaped arms in the vertical ployed. The variou's u shaped members 13, may e position. be extended relative to each other in that each of u Figure 4 is a sectional view and' under line 4-4 the U shaped membershas a cable 33 attached' of Figure 3. 'upon its lower end at 34 and extended over a V 40 Figure 5 is a fragmentary enlarged elevational roller '35, mounted at the upper end of the inner 95 View looking in the direction of the line '5-5 adjacent U shaped member.` These various on Figure 4. cables may be' drawn by hand to extend the Figure 6 is a ragmentary side elevational View members or some drum hoist; not shown on the' of the carriage showing the rollers in detail. e v drawing,'may' be provided'. The ends of the In Figure 1 the safety elevator is shown'dis arms of the U shaped members are bent away 100 posed within a cavity formed to the front of a fromeach other, and in these spaces the cables building 11.' A removable cover, 12, closes the 33 pass. 3 i cavity. The safety elevator consists of aplurality In Figura 2 a variation of the invention has of substantially U shaped members 13, one set been disclosed in which the safety elevator is into the other. Upon the arms of each of the U 'shown mounted upon a truck 36. In other `re`- 105 shaped members there are formed guides 14 which spects it is identical to the form shown in 'Figare also set into each other so that the U shaped ure 1. i 4 v u members may be extended in telescopic fashion. The operation of the device consists in extend- A means is provided for holding the various U ing it from its normally 'closed horizontal posi- `-shaped members in different inclined positions. tion to an inclined position against a building llO'* so thatin theevent of fire oremergency people may be carried down. The. various U .shaped ferred embodiment of my invention, it is to be i understood'that I do'not limit myself'to the precise Construction herein disclosed' andjthe members may be engaged at dierent inclinations against the building and 'be extended to different degrees so thatthe-.device can reach any of' the floors of a building. I p

' While* I have shown and described the preright isreserved to all changes and modifications coming within the scope of i the invention `as defined'in the appended claims. tv

Having thus described my invention, what I claim as new, and desire to secure by United States Letters Patent is:- I i i 1 A safety elevator, comprising a pluralityof substantially U shaped members' one setinto the other and having a plurality of guides on each of the arms thereof extended inwards and set one in the'other, means for' holding the U shaped' members in various inclined' positions, means ;for

extending 'each succeedingouter U shaped mem-' ber relativeto the adjacent inner one, a carriage disposed between the arms of the U'shaped members and having roller structures'restin'g on said' guides, and means for hoisting' the carriage relative to the U 'shaped members, said roller structures -comprising brackets attached pon' the sides of the carriage, arms swivelly connected with said brackets,resiiient means 'urging said arms inwards, "and rollers on the ends of said 2. A` safety elvaton co mprising a plurality'of ,substan'tially U shaped members? one-set into the jother and having a plurality ofguides on each of the arms thereof extended inwards and 'set o"ne in the other, 'means -for holding the-U 'shaped members in various inclined positions, means for and means for hoisting the carriage relative to i 'the U shaped members, the outeredges of said ber relative to the adjacent inner one; a carriage disposed between the arms of the U shaped membersand having trucks resting on said guides,

U shaped members being spread from each other," and-the means for extendng the U shaped members relative to each other including cables' runningwithin the spaces between said bent edges. 3. safety elevator, comprising a. plurality ot substantially U-shaped members one set into the other'and having a plurality of guides on each of 'the arms thereof, extended inwards and set onein the other, means for holding the U-shaped members in various inclined positions, means ;forrextending each succeeding outer U-shaped member relative H to the, adjacent inner one, a -carriage'disposed between the arms of the U- shaped members and having roller structures resting on said guides, and means for hoisting the carria'ge relative to the U-shaped members, said' roller structures comprising 'arms swivelly mounted, resilient-*means urging saidarmssin- .wards,' and rollerson the ends of saidarms.

4. A safety elevator, comprising a p'luralitvof 9 substantially U-shaped members one ;set into theotherand having'a plurality of guides 'on' each of the. arms thereof, extended inwards and set onein the other, means -for holding the' U- shaped ;members in various inclinedapositions, means for extending eachsucceedng' outer U- shaped member relative* to the adjacentinner one, a carriage 'disposed' between' the arms' ot the U-shaped members and having roller 'structures resting on saidguides, and means' for 19 'hoisting the carriagerelative to"'the U-shaped' members, said rollerstructures comprising :spaced rollersresiliently urged towardsveach other. I

MORRIS HONIG'. l-l

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