US325399A

US325399A - Fire-escape

Info

Publication number: US325399A
Authority: US
Publication date: 1885-09-01
Anticipated expiration: 1902-09-01

Description

(No Model.)

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W' I TJV ESS ES UNITED STATES PATENT @rricn.

DANIEL F. DAVIS, OF EASTON, PENNSYLVANIA.

FIRE-ESCAPE.

SPECIFICATION forming part of Letters Patent No. 325,399, dated September 1, 1885.

Application filed July 6, 1885.

f all wnom it may concern:

Be it known that I, DANIEL F. DAVIS, a citizen of the United States, residing at Easton, in the county of Northampton and State of Pennsylvania, have invented a new and useful Improvement in Fire-Escapes, of which the following is a specification, reference being had to the accompanying drawings.

My invention relates to fire-escapes; and it consists in the improved construction and combinations of parts, hereinafter fully described, and pointed out in the claims.

In the drawings, Figure 1 is a perspective view of my improved fire-escape, showing the same applied to a portion of a building. Fig. 2 is a detail perspective view of a portion of the track employed. Fig. 3 is a detail view of one of the brake-arms, and Fig. at is a perspective view of one of the braces on the car.

In the accompanying drawings, in which like letters represent corresponding parts in all the figures, A represents the front wall of a building, and B the lower sill of a window thereof.

0 represents tracks, which are secured vertically to the sides of the building a sufficient distance apart to allow a car to travel up and down the same, the space between the tracks being regulated by the width of car employed. These tracks C have upwardly extending flanges on their outer sides and running their entire length, and projecting inwardly from said flanges are wings D.

E represents the car, which is rectangular in form, and is composed of the longitudinal bars connected at their ends by bars a, the

ends of which project beyond the longitudinal bars and carry rollers at their ends, which rollers are adapted to slide upon the tracks 0, the wings D preventing the detachment of the rollers from the tracks. The longitudinal bars and the cross-bars a. are connected and braced by diagonally-arranged bars I), which also serve to partially close the sides of the car, and thus prevent passengers from falling out of the car. Extending inwardly from the outer corners of the car are rods 0, which are set at an incline and carry rollers working upon the tracks 0, said bars being braced by rod d, extending upwardly from the inner corners of the car.

(No model.)

E represents brackets, which are secured to the front wall of the building, adjacent to the lower sill of the windowi'rame, and in said brackets are jonrnaled pulleys e.

F represents ropes or chains, which are secured at one end to the inner side of the ear, their other ends passing up and over the pulleys e, and having weightsf secured to their ends. By this arrangementit will be seen that when a load is removed from the car the same will, through the agency of the weights f, as cend to the window, so that another load of passengers can be lowered.

Secured to the sill of the window are brackets G, in which brackets works a bar, H, the brackets being sufiiciently large to allow said bar to have a limited vertical movement.

'Pivoted in the brackets E, on the pins Z, are brake-arms I, the inner ends of which are weighted, while said arms are provided near their outer ends with brake-shoes 9. These arms I are pivoted in the brackets above the pulleys, so that when their outer ends are lowered the brake-shoes will bear upon the pulleys, and thus serve to check the speed of revolution of the same. The outer ends of the brake-arms are connected with the brake-bar H, and attached to said bar H, midway its ends, is a rope, It, which is located in the car, and which is sufiiciently long to reach to the ground, in order that the brakes may be operated at any point during the descent of the car.

Having thus described my invention, I claim 1. The combination, with a building having brackets secured thereto, pulleys in said brackets, and a car suspended from ropes passing over said pulleys, of a vertically-moving brake-bar, brake arms pivoted in the braclc ets and connected with the brake-bar, brake shoes on said arms, and a rope for operating the brakebar to lower the shoes on the pulleys, as set forth.

2. The car having bars a, provided with projecting ends carrying rollers, and the inclined rods 0, having rollers at their ends and braced by the red at, and the vertical tracks in which the rollers work, substantially as described.

3. The combination, in a fire-escape, of the car having the rollers, the vertical tracks therefor, the pulleys in the wall of the building, the ropes attached to the car and passing over the pulleys, and the weights on the free 5 ends of the ropes to raise the car automatic ally when the same is unloaded, substantially as described.

In testimony that I claim the foregoing as my own I'have hereto affixed my signature in presence of two witnesses.

DANlEL FEIT DAVIS.

Witnesses:

J. A. FENSTERMAOHER, JOHN H. PURDY.