US894295A - Combined window and porch jack. - Google Patents

Description

PATENTED JULY 28, 1908.

W. B. STOOPS. COMBINED WINDOW AND PORCH J ACK.

APPLICATION FILED AUG-1.1907- 2 SHEETS-SHEET 1.

Nd. 894,295. PATENTED JnLY'zs; 1908.

' w. B. STOOPS.

COMBINED WINDOW AND PORCH JACK.

APPLICATION FILED AUG. 1.1907

WILLIAM B. STOOPS, OF GORAOPOLIS, PENNSYLVANIA.

COMBINED WINDOW AND PORCH JACK.

Specification of Letters Patent.

Patented July 28, 1908.

Application filed August 1, 1907. Serial No. 386,519.

To all whom it may concern:

Be it known that I, WILLIAM B. STooPs, a citizen of the United States, residing at Coraopolis, in the .county of Allegheny and State of Pennsylvania, have invented certain new and useful Improvements in a Combined l/Vindow and Porch Jack,- 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 to make and use the same, reference being had to the accompanying drawings, andto the letters and figures of reference marked thereon, which form a part of this specification.

This invention relates to animproved combined window and porch jack for painters and other uses, and it comprises a platform, an adjustable means for supporting the inner and outer end of said platform, an adjustable horizontally-arranged cross bar to engage with the walls of the .building to further secure the platform in position, and the invention further consists in the arrangement of an adjustable extension step, by means of which the operator is enabled to reach to a greater height, and the invention also consists in constructing the apparatus in such manner that the same may be folded into compact form and the invention finally consists in the certain details of construction and combination of parts as will be fully described hereinafter.

In the accompanying drawingsFigure 1 is a side elevation of my improved combined Window and roof jack, showing the same adjusted for ordinary use and projecting from the window of a building, the said jack being constructed and arranged in accordance with my invention- Fig. 2 is a plan view of the same. Fig. 3 is a sectional view taken through the platform, showing a portion of the adjustable extension step. Fig. 4 is a side elevation showing the device folded in compact form. Fig. 5 is a side elevation of the jack adjusted for use on a porch or other roof, in which case two of such jacks are used for supporting planks or a platform stage.

To construct a combined window and roof jack capable of beingfolded in compact form, I first form from wood or other suitable material, a platform, comprising side members 1, arranged parallel with one another and j oinedtogether by cross pieces 2, upon which are arranged a series of slats 3, forming the platform proper. This platform may be of any convenient size, and the side members of which are provided at their outer ends with downwardly-extending pieces 4, which are attached to the inside of said side members and are used to connect braces 5 thereto. These braces 5 comprise strips of wood, connected at their inner extremities by a cross bar 8, and each provided with a slot 6, extending almost their entire length, the said slots being used for the purpose of connecting the braces to the parts 4, by means of bolts 7 fitted with thumb-screws, in such manner, that said braces may be adjusted toward and away from the building, clamped at any desired position and at any suitable angle therewith, as will be best seen at Fig. 1, of the draw- 1n 's.

lit the inner end of the platform of the jack is arranged a short adjustable ladder, which also acts as a support, the said ladder consisting of side pieces 17, and a suitable number of rungs 20, and is adapted to fit neatly between the side members 1, of said platform. Each of the side pieces 17 of this ladder is formed with a slot 18, extending in the direction of their length, by means of which, togetherwith suitablebolts fitted with thumb nuts 19, the ladder may be adjusted and secured at any desired position.

Transversely arranged upon the top of the platform and adapted to span the window opening, is a bar 14, having a slotted portion 16, and fastening bolt 15, which may be adjusted toward and away from said window opening or along the length of the platform and clamped at the desired position, or the said bar may be adjusted lengthwise to ermit the jack to be located at any point a ong the length of the Window sill.

The side members 1 of the platform are formed with slots 13, located in that portion of the jack which projects beyond the wall of the building. These slots 13 are used for the purpose of connecting an adjustable step to the platform, by means of which the operator may stand at a greater height than that permitted by said platform, the said adjustable step comprising side pieces 9, each having longitudinal slots 10, a connecting bar 9 at the bottom and a cross piece forming a step 11 at the top. These side pieces 9 of the adjustable step are attached by thumb screws 13 to the side members 1 of the platform, and with similar screws 12 to the braces 5 below, in a manner that,the said adjustable step may be elevated above the platform,

clamped at the desired position, or lowered to occupy the position shown in dotted lines, at Fig. 1 of the drawings. The position of the parts of the ack as shown in Figs. 1, 2 and 3, of the drawings, shows the same adjusted for ordinary purposes, such as will permit a ainter or window cleaner to stand outside 0 the building.

To fold the jack in compact form, it is only necessary (see Fig. 4) to release all the thumb screws holding the several parts rigid, then first fold the ladder 17, then the braces 5, after which the cross piece 14, and finally the adjustable step.

To use the jack for supports upon a roof of a porch or building, for the purpose of supporting a painters stage or platform of planks, the parts are adjusted and clamped in the positions shown at Fig. 5, of the drawings, the braces 5, being locked in an upright position by the side members 9, of the adjustable step, the cross piece 14 having been removed. Two of these jacks are used and are prevented from slipping by engagement with the gutter 22, and the inner ends of the platforms rest ing directly upon the roof.

' It is obvious that various modifications and changes may be made in the details of construction without departing from the spirit of the invention, and the jack may be put to various uses, and when used in connection with windows, as at Fig. 1, the lad der is used to ascend to the platform, eliminating the kick-up common to the old form of jacks. The cross bar 14, maybe fitted with a pad of soft material along its inside or contact edge, which will prevent the defacing of the window frames.

Having thus described my invention, what I claim, and desire to secure by Letters Patent, is

1. A combined window and roof jack, comprising a platform, downwardly inclined strips carried by the side bars of said platform at the outer end thereof, braces adjustably-connected to said strips and foldable against the underneath face of the platform, a ladder adjustably-connected to the inner and adapted to engage with the walls of a building, a ladder adjustably-connected to the platform and constituting a support for the inner end thereof, a step connected to the platform and to the outer brace for adjustment both vertically and longitudinally ofthe platform, and a cross arm adjustably connected to said platform, substantially as described.

3. A combined window and roof jack, comprising a platform, an adjustable cross arm thereon, means for clamping said arm, an inner adjustable support forming a ladder, means for clamping the same, an outer adjustable brace hinged to said platform adapted to engage with the side walls of a building, an adjustable brace connecting said hinged brace with the platform, the upper part of said connecting brace forming a step capable of being elevated above or lowered to the platform and means for clamping the same at any desired position.

4. A combined window and roof jack, comprising a platform, a cross arm, an inner support, an outer brace and an adjustable connecting brace having a step and means whereby the parts may be folded, the one upon the other, in compact form, as described.

In testimony whereof, I afiix my signature, in presence of two witnesses.

WILLIAM B. STOOPS.

Witnesses WM. G. WALTER, Or'ro A. HENSEL.

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