US397122A - Etta a - Google Patents

Description

(fio Model.)

E. A. GOODELL.

I VBNTILATOR. No. 397,122. Patented Peb. 5, v1889.

Gloznmavs,

UNITED STATES PATENT OEEicE.

ETTA A. GOODELL, OF CHICAGO, ILLINOIS, ASSIGNOR TOv TI-IE CONSOLIDATED PATENTS COMPANY, OF SAME PLACE.

VENTILATOR-A SPECIFICATION forming part of Letters Patent No. 397,122, dated February 5, 1889.

Application filed December 8, 1857. Serial No. 257,325. (No model.)

To all whom it may concern: said parts that it may be moved in a plane Be it known that I, ETTA A. GOODELL, a parallel to the plane of the Wheel, so as to citizen of the United States, residing at Chiwholly or partially cover or uncover said cago, Cook county, Illinois, have invented cerwheel, thus regulating the flow of air through 5 tain new and useful Improvements in Venti- 'the same, as may bev desired. 55

laters, ot which the following is a specification. In order to properly guide the sliding cover My invention relates to thatclass of devices with but little frictional resistance, and at employed in connect-ion with openings for the same time provide a cheap but effective Ventilating chambers; and it consists of cerconnection for said cover, I provide the same Io tain appliances, fully setforth hereinafter, for with a central transverse slit or opening, ou, 6o regulating the passage of air through said extending nearly to the edges of the slide openings, and in the construction of the venand receiving a lug or guide, E, upon some tilating-wheels sometimes used in connection part of the frame of the wheel. The said with such openings. guide E consists, preferably, of two thin i 5 In the accompanyingdrawings, Figure l is a metal plates soldered at their edges to one of 65 side elevation of aventilator wheel and frame the arms h, and, after passing through the slot embodying' my invention. Fig. is a per- 00, being bent at right angles to form lips Y spective `view thereof. Fig. 3 is a section on m on, which prevent the removal ot the cover the Iine l 2, 2, looking in the direction of D, which can then slide freely upon the stem 2o the arrow. of the lug. 7 O

The rim A, which suppinfts the wheel B, In order to operate the slide with facility I consists ot' a narrow cylinder, a, having eX- prefer to arrange the device so .that the slot ternal converging flan ges, b b, which receive of the slide will be vertical, and to draw the between them the glass plate when the ventislide upward by means of a cord, J, the slide lator is being supported in the pane of awindescending when the cord is slackened by 75 dow. In other cases, where the ventilatoris gravity. A convenient construction is shown simply inserted in an opening in the wall, in the drawings, and consists in providing the door, &c., one ot' the flanges maybe dispensed slide at each end of the slot with an eye, n with. nf', through which extends the operating-cord 5o The wheel I consists of a narrow cylinder J, having two knots, s s, for bearing against 8o or rim, d, and a plate divided radially and said eyes; and in a line with the upper eye, bent to torni veins e, soldered at their outer n, I secure to the rim A a third eye, if, through ends to the rim d, said plate being dat, with which the cord extends, so that by pulling two central convex portions, fj' on opposite upon the said cord the slide may be raised,

3 5 sides, constituting a thickened hollow hub and by slaekening said cord the slide will de- S5 for supporting rigidly a transverse wire, conscend. If the slide should become bent or stituting the shaft L' of the wheel. This wheel wedged, so as not to descend readily by gravis very simple in construction, and besides ity, a downward pull upon the other portion, possesses great strength, the central convex J, of the cord will serve to carry it to the de- 40 portions which form the hollow hub giving sired position. 9o rigidity to the wheel and preventing its be- The above-described construction and arcoming warped. The wheel B is supported rangement of operating means for moving the with but little frictional resistance in two reslide may be used in connection with slides cessed steps or buttons, g g, each receiving intended for chimney or other openings in 45 one end of the shaft 'i and each supported cenwhich the ventilating wheels are not em- 95 trally within the rim A by radial arms 7i, exployed. tending and secured to the rim. IVithout limiting' myself to the precise con= Vith the ventilator-wheel and its supportstruction and arrangement oi' parts shown, I ing-rim I combine an adjustable cover in the claimt 5o form of a slide, I), and so connect it with 1. The combination,with a lid or frame, A, 10o

iuclosing' :L Ventilallor-Opening, of :L cover, D, m'mngecl 1o slide in :1y pluim parallel to Saul 'Frame mul pl'ovidml with u l'l'nnsvci'se slof, :111, l'cceivilxg :L guiding-Sinni, E, upon lille fl'z'uno,

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