US519780A - Awning-lifter - Google Patents

Description

(No Model.)

y 0. H. THOMPSON.

AWNING LIFIBR.

Patented May 15,1894.

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UNITED STATES PATENT OFFICE.

OSIVALD H. THOMPSON, OF PHILADELPHIA, PENNSYLVANIA.

AWNlNG-LIFTER.

SPECIFICATION forming part Of Letters Patent NO. 519,780, dated May 15, 1894.

Application filed February 15, 1893. Serial No. 482,446. (No model.)

To al? whom t may concern.-

le 1t known that I, OSWALD H. THOMPSON, acitlzen of the United States, residngat Philadelphia, in the county of Philadelphia, State of Pennsylvania, have invented certain new and useful Improvementsin AwningLfters; and `I do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains tomake anduse the saine. My present invention relates to that class of devices whereby awnings are raised by spring pressure.

It is the especial object of the improvement hereinafter set forth to provide forwindow awnings a more convenient and inexpensive appliance for this purpose especially adapted to be secured to the upper part of the window withinthe awning and, when the device is set in motion or when the awning is released, to lift the latter to its closed or upright position against the side of the building without the requirement of any exertion upon Athe part of the operator.

With such object in View, my invention consists. in the parts and combination thereof hereinafter particularlyset forth and claimed.

In order to make myinvention more clearly understood, I have shown in the accompanying drawings means for carrying it into practical effect, without however limiting the improvement in its useful applications to the particular construction, which, for the sake of illustration, I have delineated.

In said drawings-:Figure l is a vertical .sectional View showing the portion of a building with its window frame, and an awning applied thereto and provided with a raising or v liftlng device embodying my improvements. l

Fig. 2 is a front view of the lifter secured in place upon the upper portion of the window frame. Fig. 3 is a transverse vertical sectional view of the same. Fig. 4 is a longitudinal vertical sectional view.- Fig. 5 is a similar View of a still further improved form of my invention. Fig. 6 is a transverse sectional view of the same.

Referring to the drawingszf-l indicates the portion of a building having a window opening 2 to the frame of which is pivotally secured a U-shaped awning frame 3 of ordinary character carrying an awning 4 secured thereto and secured in the ordinary manner at its upper end to the window frame.

5 is a yoke provided with eyes whereby it is suspended from hooks 7 inserted in the upper portion of the window frame. In the lower ends of said yoke are formed bearings which are square or otherwise adapted to receive and prevent the rotation of a 'shaft 7L mounted therein. On said shaft is mounted a rotary and hollow drum 8 on which is adapted to be wound and taken up a cord or chain 9 which is secured at one end to the drum and at its lower end to the awning frame 3 at or near its middle. Another rope or cord l0 also secured to said awning frame `and extending inward tothe window sill serves to draw down a or let up the awning. On the window sill the rope l0 is secured in any suitable catch or holder. Within the drum S is inclosed a strong spring ll of spiral form having its inner end secured to the shaft 7u by a pin 12, and having its outer end provided with an eye 13 through which passes a longitudinal bolt or rod 14. secured in the heads of the drum.

lVhen it is desired to shade the window the awning and frame are drawn down by means of the rope 10 in the position shown in Fig. l, and the rope secured in the catch upon the window frame. When it is desired to have the awning elevated the rope 10 is released from the catch whereupon the spring ll will uncoil with sufficient force to wind up the rope 9 and lift the frame 3 with the awning into a position parallel with the face of the window frame and building.

It will be observed that this device is ready and capable of instant attachment to any ordinary window frame and awning, and, when in place beneath the upper portion of the window frame and within the awning is entirely protected from the weather and also from observation, leaving the windows and front of the building entirely free from any objectionable disigurement.

The foregoing is a description of a simple form of my improvement, but I prefer to em body it in the form indicated in Figs. 5 and 6, wherein the yoke is provided with a rotary shaft, the casing of the spring is non-rotary and secured together with one end of the spring to one leg of the yoke by means of the pin or bolt 14, and the said shaft is provided with a Windlass independent of the spring casing, and also with a ratchet wheel l5 secured rigidly to the shaft or Windlass and engaged by a pawl 17 pivotally mounted upon the upper portion of the yoke at 18. To raise the awning the rope 10 is given a slight downward pull which will cause the pawl 17 to disengage the ratchet Wheel, when the latter is caused by the spring to rotate with suftieient rapidity to prevent the pawl again engaging with the ratchet Wheel.

Having thus described my invention, what I claim is- .In alifter for Window awnings the combination with the awning frame of a yoke suspended Within the window beneath the upper transverse portion thereof, a shaft mounted and rot-ary in said yoke, a drum on said shaft having a rope or chain connected with the awning frame, a stationary casing mounted on said shaft and secured to said yoke, a spring within said stationary casing and counected therewith and with said shaft, a ratchet Wheel on the shaft, and a pawl or dog mounted on said yoke and engaging the ratchet Wheel, substantially as set forth.

In testimony whereof I aitix my sign ature in the presence of two witnesses.

OSWALD H. THOMPSON. Witnesses:

CHRISTOPHER GURKE, CHARLES E. WEBSTER.

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