US111728A - Improvement in sash-balances - Google Patents

Description

Brauns M. connut,

ou NEWARK, onto.

vLetters Patent No. 111,728, dated February 14, 1871.

IMPROVEMENT IN SASH-BALANC-ES.

The clhedule'referred to .in these Letters Patent and making part of the same.

l', Janus M. Conseil, of Newark, in the county ol Licking and State of Ohio, have invented a new and useful Sash-Adjuster, of which the following is a specification.

Nalure mul Ubiccts o f the Invention.

My invention is designed 'to provide an etiieieutand easily-manageable means of raising and lowering the sashes oi' a window, and maintaining either' or both in any desired position, so` that the ventilation of the apartment may he effected either at'top or bottoni ot' the window, or, by a partial raising of the lower andv lowering of Athe upper sash, the heated and impure air may escape at top, while fresh airis admitted at bottom, and consists iu a combination of cordspul leys, a clamping device, and suitable pins or hooks, arranged as hereinafter described, so as to admit of operating both sashes or either independently, or locking both the sashes when required.

Description ofthe Accompanying Drawing.

Figure l is au interior elevation of a window with my adjuster attached.

Figure 2 is an elevation, partly in section, of' the lower sash and trame.

Figures 3, 4, 5, and (i are sectional views of the window-trame and sash at different elevations, the ad- `luster being partly in elevation.

Figure 7 is a det-ached. view of the cent-ral or mai n pulley and eccentric de'tent on an enlarged scale.

In the several figures similar letters indicate corre' spending parts.

General Description.

A A is the window-frame;

l5, the lower; and 1 C, the upper sash.

A spring, D, of suitable material, is set in a slot or gain iu the edge of the lower sash, and secured thereto by screws or pins, so that it may have a bearing at all times against thc window-llame A. This spring should be ot' sufiicient power to sustain so much Yoi" the weight of'the lower sash as isA not counterbalanced by the upper sash, and lua-)gif preferred, be

attached at its middle, so that both its ends will hear against the frame. l

The couutcrbalaneing is elected through the lixed Y pulleys E E and F F, movable pulleys r Gr, and cord l-I. The pulleys E E are iixed to the wiiulow-frame at top of the lower sash F F, at top of the upper sash, and G Gwithiu the lower sash, near its middle or lower part, so as to move with it.

A cord, H, is fastened' at each sidel to the top of the upper window-sash, passing over the pulley F, thence downward through a slot or gain in the window-sash B, and around the pulley G in the lower sash-B, thence upward and over the pulley E, and downward, where it may terminate in a tasse] or other ornamental device, serving as a means for pulling the same and raising the sash or sashes thereby.

1 I are eccentric detents pivoted on the stationary frame, serving to compress the cords H against the pulleys ll and prevent the latter from turning by an ordinary pull on the cord. .y

J J are knobs or pins around which the cords may be passed to adapt them to raise the upper sash without raising the lower, or iu order to lock the upper sash iu its upper or closed position.

K .K are hooks which, in connection with the pins J J, serve to lock the lower sash down to prevent en'- trance iionl without.

Operation..

Fig. 3 represents the sash in its closed and secured position, the running part of the cord H being carried over the hook K, partially relieving the pulleys E E, while the detent I has a bearing against that part of the cord which remains in contact with the pulley. The detent, whcudown, tends by its gravity to remain in the position shown in ligs. 3, 4, 6, and 7, but may be thrown overby hand or lby draft on the cord so as to rest ou the back stop, as shown iu fi". 5, in which position it exerts no pressure on the cord. In fig. litho cord is shown released from the hook K, but, heilig still compressed by the eccentric detent I, it is prevented from moving. By throwing the detent back, as shown in fig. 5, the cord is permitted to move freely. l

It is preferableto have a cord, with its fixtures, on each side. of the window, as previously described, so that, by pulling equally on cach, all tendency to irregularity ot' movement or jamming is obviated.

The lower' sash may be thus elevated, as shown in iig. 5, until its further upward movement is prevented, Veit-her by contact with the window-frame A above, or by the pulleys E and G being brought too near. the same level to afford further purchase for the cord, or it may be stoppedat any point and there rest.

Unless it be desired that the lower sash alone shall he elevated and the upper one entirely closed, the simultaneous movement of both is preferable, requiringless labor and in general affording a better ventilation. This is effected by simply'depressing the up- .per sash, the downward movement of which causes the upward movement of the lower one, though acting through the medium of the movable pulley only to half the extent which itis itself depressed, or nearly iu the position shown in iig. 6.

The upper sash, when open, may be readily closed,

it desired, by simply passing the cords around the pins J and drawing upon them, the plus affording 'a stable point of' dra-ft.

Ready means ui' effecting any desired relative adjustment of the two sashes will soon occur to any one using thedeviceI or acquainted with the principles of its operation.

The use of single stationary pulleys for the upper sash lesseus the amount of cord required to operaie the device, and the use of double pulleys for the lower lessens the power required to raise it, while the combination of the two upon the same cords, aided by the sp1'iugs,eauses theml to eouut-erbalauee eah other, so that either or both rest securelyr in :my position iu which they may be placed.

J'. ANI. (JON-NEL.

Witnesses:

H. C. ELLIOTT, W. ALLEN.

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