US670050A - Fire-escape. - Google Patents

Fire-escape. Download PDF

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Publication number
US670050A
US670050A US1651300A US1900016513A US670050A US 670050 A US670050 A US 670050A US 1651300 A US1651300 A US 1651300A US 1900016513 A US1900016513 A US 1900016513A US 670050 A US670050 A US 670050A
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Prior art keywords
well
doors
platforms
escape
spiders
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US1651300A
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John W Hull Sr
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ANDERSON BRUNER
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ANDERSON BRUNER
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    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B1/00Devices for lowering persons from buildings or the like
    • A62B1/02Devices for lowering persons from buildings or the like by making use of rescue cages, bags, or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2201/00Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
    • B65G2201/02Articles

Description

No. 070,050. Patented Mar. |9, |901.

J. w. HULL, sa.

FIRE EscAPE. (Application lnd May l2, 1000.)

No PETERS oomnorauwmwumcfom n c No. 670,050. Patntad Mar. I9, |90L J. W. HULL, SR. FIRE ESCAPE. (Application led lmryi I2, 1900.) (No Model.) 4 3 Sheets-Sheet 2'.

.1. w. HULL, sn. FIRE ESCAPE.

(Appximion med my 12, loo.)

(N0 Model.) 3 Sheets-Sheet 3.

No. 670,050. Patented Mar. I9, lam;

:llNTTen STATTTS PATENT OFFICE.

JOI-IN W. I-IULL, SR., OF INDIANAPOLIS, INDIANA, ASSIGNOR OF ONE-HALF TO ANDERSON BRUNER, OF SAME PLACE.

FIRE-ESCAPE.

SPECIFICATION forming part of Letters Patent No. 670,050, dated March 19, 1901. Application led May 12| 1900. Serial No. 16,513. (No model.)

To a/ZZ whom t may con/cern:

Beit known that I, JOI-IN W. HULL, Sr., a citizen of the United States, residing at Indianapolis, in the county of Marion and State of Indiana,haveinvented certain new and useful Improvements in Fire-Escapes, of which the following is a specification.

This invention relates to improvements in ire-escapes for high buildings, and has refer- Io ence to mechanism which will be automatic in its action and safe and durable and which will be hereinafter fully described and claimed, reference being had to the accompanying drawings, which form a part of this specifica- 15 tion, and in which- Figure l is a view in elevation of a building with my invention, partially in vertical section,applied thereto and representing same in process of use; Fig. 2, a detail in vertical 2O section, on a larger scale than in Fig. l, of the top and bottom portions of my invention, the middle part not being shown; Fig. 3, a horizontal section on the dotted line 3 3 of Fig. 2 looking in the direction of the arrows;

Fig. 4, a detail in side elevation of one of the spiders over which the link carrier-chain operates; Fig. 5, a vertical section on the dotted line 5 5 of Fig. 4 looking in the direction of the arrows; and Fig. 6, a detail in perspective of the movable platform-frame, door leading into the well, and lateral chute leading up to the door.

Like letters of reference indicate like parts throughout the several views of the drawings.

3 5 A is the well,preferably rectangular in crosssection, with vertical angle-iron corner-posts A', sheeted inside and out with metal plates c, and filled between the plates of each wall with asbestos-or other non-conducting mate- 4o rial a', as shown in Figs. 3 and 2. This well will have the central longitudinal partition A2, dividing it into two compartments. The well will extend from the ground to the topmost story of the building and will terminate at top and bottom with transverse shafts B B,

revolubly mounted in suitable boxes. Mounted on and turning with each of these shafts are the two spiders B' B', the same being sprocket-wheels consisting of skeletons of ra- 5o diating spokes, the ends of which have seats b for hubs on the links of endless chains C C; These hubs are shown at c in Figs. 5 and 6. The hu bs are preferably formed integral with links of the chain-that is, at one end of each link-the hub being on both inner and outer sides and the other end of the link from the hub end having an eye which [its over the inside hub of the adjacent link to which it is fastened. At suitable intervals, here shown (Fig. 1,) as every fourth link, the correspond- 6o ing links of the inner and outer chains are connected by the frame D, as is clearly shown in Fig. 6, which forms the support for a platform E. (Shown in dotted lines in Fig. (5, but in full lines in Figs. 2 and 3.) This plat- 65 form is hinged to the inner bar of the frame for purposes which will be hereinafter fully explained.

It will be obseved that the platforms travel down one side of the well and up the other in 7c `continuous circuit, and upon these the people to be liberated from the burning building take their positions and are carried down by gravity and are discharged automatically at the bottom. To prevent too rapid travel of this elevator, which will be weighted all on one side, I provide a brake actuated by a centrifugal governor. This construction is shown in Fig. l, but plainer and better in Fig. 2. F

is a ring having side cogs and secured to the 8o outer top spider. F is a brake-shoe supported by levers fand adapted when the inner ends of the levers f are raised to be lowered into contact with the inner edge of the ring F. The leversfare pivotally secured to the lower end of the vertical rod g, and the upper end of the rod is connected by the links g g with the weighted governor-armsG, whereby by the outward movement of the weights or balls the rod will be longitudinally elevated. 9o The arms G are pivotally secured to the hollow shaft F2, and the latter Vhas the beveled pinion f2, which engages the teeth of the ring F. The action of the governor-brake thus described will be fully understood without further explanation.

Leading into the well from a nearby window of each floor of the building is an inclined chute H, into which the person desiring to escape through the window from the roc burning building places him or her self, preferably assuming a prone position face down. The chute will stand at such an angle with relation to the horizontal as will cause the body to slide freely by gravity into the well, entrance into which will be through doors h, hinged at their tops, so as to swing inwardly at their bottoms by the pressure against them of the persons feet in the chute outside. The bottom of the chutes H will preferably be double and lled with asbestos to protect the loccupant from the fiames and heat from below, and each chute will have a hinged cover H', which is lift-ed up and out to form an outer side to protect and guide the person in the chute; also, to prevent overcrowding the chute I provide a false bottom h2 in three sections, the outer section of which I hinge at its inner end, so it will swing upwardly, and provide downwardly-projected arms h3, connected by the link bar hl, whereby when the person using the chute has reached the lower half of same the depression of the lower section of the false bottom will elevate the upper section thereof into the position shown in dotted lines in Fig. 2, which prevents entrance into the chute until the occupant below leaves by passing on into the well.

To prevent crowding by the delivery of a person upon a platform already occupied in the well, I provide means for automatically locking all of the side doors as soon as the elevators start running and to keep them locked until an empty platform comes opposite. This I accomplish in a simple manner by xing the latches t' rl to the rod I, mounted transversely under the outside chute, as shown in Fig. 6, and by means of spring` t2, pressing the latches upwardly to engage the lower edge of the door h. Then I place the bolts j on the side members of the platform-frames, with their ends projecting out, so as to strike the latches i i and unlock the door. These bolts are forced out by springsj2 and are drawn in by the action of the hinged platformE, previously referred to,acting on the bolts through the bent levers jB. The levers js are pivotally secured to the side frame of the platform. Their lower ends are slotted longitudinally to receive a pin from the bolt near each and the upper ends support the free front edge of the platform E. The platform E is depressed by the weight of a person standing on it and when so depressed the bolts are drawn in, so as to pass the latches without unlocking the door, and a person in the well must wait until an unoccupied platform comes opposite his position.

In order to bring the spiders in position to leave the platforms opposite the chutes outside, down any one of which the rst person to enter the elevator and start it to going may come, I provide the weights W on said spider, and these will swing the spiders by gravity into positions to bring the platforms in right relation to the outside chutes.

As the first person to enter the elevator may come from a window at any one of the floors of the building, it is also necessary that all of the doors leading into the well shall be primarily unlocked. This I accomplish by connecting all of the latches by a wire K and by fastening this wire to the lever 7c at the bottom of the well. By lowering the end of the lever to which the wire is fastened'all of the latches will be opened. To automatic ally lower this lever, I provide the hollow sliding body L, filled with shot or sand. The body L is fastened to the lower spider and is slidable upon it. This is placed' so as to be in vertical position when the spiders are brought into final position by their weights and will slide down by the weight of the sand or shot upon the lever, thereby lowering the latter. The doors thus unlocked are pressed open by the occupant of the outside chute and are heldnormally closed by the springn, connecting the arm n/ on the door with the side of the well.

The platforms have bearing-rollers r on t-he outer ends of their hubs to bear against the inner-wall of the well and lessen the friction. They also act as guards to keep the hubs from slipping off of the sprocket-spokes. The platform frame also has roller r to bear against the inside partition of the well.

When the first personA to descend in the above-described fire-escape reaches the bot.- tom, the platform turns around the lower spiders in a manner to deliver the occupant toward the outer wall of the well in the manner as shown in Fig. l, and through the wall of the Well, near the bottom, is a door 1f, hinged atthe bottom, so as to swing down, as shown y in full lines in Fig. l and in dotted lines in Fig. 2. The door is fastened by a catch i2, Fig. 2, at its top, and this catch is attached to the wire K; but when the lever 7a is released and rises the catch f2 is raised to unlock the door t, allowing the latter to drop Adown by its own weight; or if it does not so drop it will be easily and quickly pushed jopen by the first person coming down on the 4selevator. Efor the safe discharge of the people.

The door when open formsV a slide Having thus fully described my invention, ,what-.I claim as new, and wish to secure by iLetters Patent of the United States, is-

' l. A tubular inclosure or well, platforms,

endless chains, frames D integral with links of the chain and projected laterally and inwardly from what are the upper ends of the llinks when the latter are descending, and iniclined lateral slideways or chutes leading into the well, substantially as and for the purfposes specified.

i 2. Avertical tubular inclosure orwell, platforms, endless chains located adjacent to and bearing against the outer side wall of the well and. carrying said platforms, springclosed trap-doors in the sides of the well locked and unlocked from the inside of said well and lat- IOO IIO

IZO

emoto eral inclined slideways or chutes leading into the vertical Well through said doors, substantially as described and shown.

3. In a fire-escape located against the outside of a building, a vertical tubular inclosure or Well, spiders at top and bottom thereof, platforms, endless chains Working over the spiders, frameD integral with and connecting some of the corresponding inner and outer links of the chains and carrying said platforms inside of the Well, a brake, a centrifugal governor actuated by connection with one of the spiders and adapted-to set the brake, spring-closed trap-doors in the sides of the Well, and lateral inclined slideWays or chutes leading into the vertical Well through said doors, substantially as described and shown.

4. In a ire-escape located against the outside of a building, a vertical tubular inclosure or Well, spiders at top and bottom Weighted heavier on one side than the other, endless chains Working over the spiders and on the inside of the Well, platforms attached to and carried by the chains, a brake, a centrifugal governor connected with the brake to set it and actuated from one of the revolving spiders, spring-closed trap-doors in the sides of the Well, a lock to hold the doors closed, means on the platforms when empty for unlocking the doors, and lateral inclined slideways or chutes leading into the vertical Well through said doors, as and for the purposes specified.

5. In a fire-escape located against the outside of a building, a vertical tubular inclosure or Well, spiders at top and bottom thereof, endless chains Working over the spiders and carrying platforms inside of the Well, said platforms, doors in the sides of the Well, lateral inclined slideways or chutes leading into the vertical Well through said doors and means when all of the platforms are empty for bringing them in position opposite the discharge end of the lateral chutes to receive a person safely from any of said lateral chutes, substantially as specied.

6. In a fire-escape, a tubular inclosure or well located vertically outside of the building, trap-doors in the side of said vertical Well, diagonal slideways leading from adjacent Windows of the building into the well through said trap-doors, spring-catches to lock the doors, spiders mounted at top and bottom of the vertical Well, endless chains passing over the spiders, platforms supported by the chains, bolts on the platform-frames projecting out to contact with the door-catches and unlock the doors, the floors of said platforms being hinged and connected by a lever With the bolt whereby when the hinged platform is lowered by the Weight of an occupant the bolt will be drawn in to miss the doorlatches, as and for the purposes specified.

'7. In a hre-escape, a vertical Well, a plurality of platforms traveling longitudinally thereof, doors in the sides of the Well, oblique slideways leading into the Well through said doors, catches to lock the doors, means actuated by the empty platforms as they pass, for unlocking the doors and means for unlocking all of the doors automatically after the platforms are all at rest.

8. In a fire-escape, the combination with a vertical well of diagonal chutes leading into it, said diagonal chute having afalse bottom which is raised automatically by the Weight of the occupant to block the entrance to the Well, substantially as shown.

In Witness whereof I have hereunto set my hand and seal, at Indianapolis, Indiana, this 7th day of May, A. D. 1900.

JOHN W. HULL, SR.

Witnesses:

ANDERSON BRUNER, JOSEPH A. MINTURN.

US1651300A 1900-05-12 1900-05-12 Fire-escape. Expired - Lifetime US670050A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3968856A (en) * 1974-08-07 1976-07-13 Keen Warren L Spiral slide fire escape
US4024928A (en) * 1975-01-08 1977-05-24 Montrose Properties Limited Fire escape installation
US5645139A (en) * 1994-11-18 1997-07-08 Liou; David Circulatable ladder
US20050121257A1 (en) * 2003-12-08 2005-06-09 Gilles Desrosiers Survival tower
US7188705B1 (en) 2003-09-19 2007-03-13 Fuhrmann Kurt F Emergency evacuation system for high-rise buildings
US20080142297A1 (en) * 2003-12-08 2008-06-19 Gilles Desrosiers Survival tower
US20160176679A1 (en) * 2016-02-16 2016-06-23 Shahin Kassai Mechanical emergency entrance and exit apparatus

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3968856A (en) * 1974-08-07 1976-07-13 Keen Warren L Spiral slide fire escape
US4024928A (en) * 1975-01-08 1977-05-24 Montrose Properties Limited Fire escape installation
US5645139A (en) * 1994-11-18 1997-07-08 Liou; David Circulatable ladder
US7188705B1 (en) 2003-09-19 2007-03-13 Fuhrmann Kurt F Emergency evacuation system for high-rise buildings
US20050121257A1 (en) * 2003-12-08 2005-06-09 Gilles Desrosiers Survival tower
US20080142297A1 (en) * 2003-12-08 2008-06-19 Gilles Desrosiers Survival tower
US20160176679A1 (en) * 2016-02-16 2016-06-23 Shahin Kassai Mechanical emergency entrance and exit apparatus

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