US41946A - Improved mosquito tent or frame - Google Patents

Description

Indem/r OTO-LITHOGRAPHER. WASHINGTON. D. C,

' in the outer tube, c.

NiTRD STATES PATENT i OFFICE..

JOHN STEWART, OFNRW YORK, N. Y.

IMPROVED MOSQUITO TENT OR FRAME.

Specification forming part of Letters Patent No. 41,946, dated March 15, 1864; antcdated March 5, 1864.

To all whom it may concern:

Be it known that I, JOHN STEWART, of the city, county, and State of New York, have invented a new and Improved Mosquito-House; and I do hereby declare that the following is afull, clear, and exact description ofthe same, reference bei nghad to the accompanying drawings, forming a part of this specification, in which- I Figure l represents a vertical central section of my invention. Fig. 2 is a plan or top View of the same.

Similar letters of reference in both views indicate corresponding parts.

The object of this inventionis a simple and portable device capable of being raised and expanded to forma space inclosed by mos` quito-netting, or of being lowered and folded up so as to occupy but little room when it is not used.

The invention consists in the arrangement of a standard or column composed of two or more tubes sliding one within the other in the manner of a telescope, said column being provided with a windlass and suitable hoisting ropes or chains, and with folding arms in such a manner that by the act of extending the column the folding arms are expanded or raised to a horizontal position, and a 'mosquitonetting of a suitable shape thrown over said arms will afford protection to several persons against the attacks of mosquitos either in a room or out offdoors.

To enable those skilled in the art to'make and use my invention, I will proceed to describe it. y

A represents a column or standard, which is firmly secured to a bed plate or foot, B, in an upright position, as clearly shown in Fig. 1 of the drawings. The column A is hollow and made of two or more sections, a l, the section b being made to slide in the section a i'n the manner of a telescope.

C is a windlass, which is operated by a handwheel, c, its bearings being' near the bottom From this windlass two ropes, d c, extend over pulleys d e', rotating on a rod, f, which is firmly fastened in the upper part ofthe tube a, and thence down to the lower end of the inner tube, b, this tube being provided with slots g, to allow it to slide up and down on the rod f. By turning the windlass in the proper direction the ropes d e wind up on it and the inner tube is elevated until the inner ends of the arms strike the surface of the inner tube and prevent a further upward motion of the same. A dog or catch, f', retains the windlass in any position.

D are arms, which are hinged to the upper part of the tube b, so that the same, when allowed to follow their inherent gravity, hang down on the outside ofthe column A. Each arm is provided with a hook, h, and a rope, fi, extends from this hook over a pulley, j, rotating on a pivot in the upper end of the tube b. The several ropes z extend down to the rod f, andare fastened to the saine by knots or in any other suitable manner. If the tube b is down, the ropes are slack, and the arms D hang down, but as soon as the tube b begins to rise, a strain is exerted on the ropes fi, and the arms begin to rise, and when the tube has reached its highest position the arms D extend in ahorizontal direction from the sanne, as clearly shown in the drawings. Each of the arms D is made of two sections, which are connected by set-screws k, fastened to one seotion and sliding in slots Z in the other section, so that said arms can be lengthened or shortened at pleasure. If desired, the outer sections .of the arms may be connected to the ropes t' in such a manner that the arms are extended as the tube b rises. In most cases, however, it will he more convenient to extend the arms by means of the set-screws and slots, whereby their length can be readily accommodated to suit the occasion. The outer ends of the arms D are provided with curved anges m, to prevent injury to the mosquito-netting, which is fastened to the upper end of the column A and hung over the arms, as indicated in red outlines in Fig. 1. The netting ought to be cut out and made in such a shape that the same hangs down ou the floor or ground and incloses a space sufficiently large to give several persons a shelter against the attack of mosquitoes.

lIhis device can be used in a room or out doors with equal advantage, and when not used it can loe readily lowered and put away in a small compass.

Vhat I claim as new, and desire to secure by Letters Patent, is-

The telescope-column A, provided with a windlass, C, ropes or chains clv e, hinged arms D, and ropes or chains z', all constructed and operating in the manner and for the purpose herein shown and described.

Vitnesses: JOHN STEWART.

THos. S. J. DOUGLAS, MONTY. M. LIVINGSTON.

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