US98508A

US98508A - Improved curtain-fixture

Info

Publication number: US98508A
Authority: US
Publication date: 1870-01-04
Anticipated expiration: 1887-01-04

Description

@anni @Wire i JOHN s. LOVEJOY, or WASHINGTON, 'insrnro'r or COLUMBIA.

Letters Patent No. 98,508, dated January 4, 1870.

IMPROVED CURTAIN-FIXTURE The Schedule referred to in these Letters Patent and making part of the same.

I, JOHN S. LOVEJOY, of the city of Washington, in the District of Columbia, have invented certain Improvements in Curtain-Fixtures, of which the following is a specification.

The nature of myinvention consists in the construction and operation of a 'new and useful curtainfixture, the same being improvements in the tightener for the curtain-cord; and Y Its Object is to provide a simple, cheap, and durable article, that, in its completeness, will meet the requirements of consumers, and obviate the diiiculties by common experience known to attend those in general use.

The first and principal part of my invention relates to the regulation and operation of the slide, to which the knob and pulley are attached, by means of a rack on the bottom of the slide-frame, and a pawl and spiral spring, contained within the knob and slide. The spring causes the pawl to act upon thev teeth of the ratchet. The pawls latch-form of end allows the slide a free movement in one direction, and a button attached to its other end, which projects through the top of the knob, affords a means of withdrawing, it from the teeth of the ratchet, and gives the slide the power ot'l free movement in Athe other direction, when desired.

It will be obvious that the first part of my invention may be applied to other forms of slide now in use. Y

same.

In the various drawings, the same letter of' refer- `ence indicates corresponding parts.

F is the slide-frame. Its inner bottom is provided Figure 3, avertical longitudinal section of the with the ratchet R. It has a dovetailed groove cut in it, corresponding to and for the purpose of receiving the slide S, which grooveis so out that a shoulder on ither side elevatcs the slide above the ratchet.

Attac-hed to the slide S, its bottom resting and moving -upon the frame F, is the knob K, which may be used either with or without a pulley.

The knob K and slide S are perforated, for the 'rception of' the pawl p and spiral spring g, a shoulder being provided o n the pawl for one bearingr of' the spring, the other end of` the spring bearing upon a shoulder in the hole made for the pawl,.as shown in fin. 3.

,DIhe lower end of the pawl is cut latch-shapc, to fit between the teeth of ratchet R, and its upper end has attached to it a button, B, which servesas a handle,

to Withdraw it from the ratchet.

In fig. 3, it can be seen that the slide S has the power of unobstructed downward movement, the pawl acting upon the ratchet, preventing au upward movement.

By grasping button B, and pulling it from the knob, the pawl is elevated, and the slide allowed a retrograde movement.

Having thus described my cord-tightener, i What I claim as my invention, and desire to secure by Letters Patent, is-

1. A perfbrated slide and knob, provided witha pawl, p, spiral spring g, and button B, all constructed My invention may be constructed of wood, ora-ofv substantially as and for the purposes set forth.`

2. The combination of the grooved frame F with the dovetailed slide S, knob K, pawl p, spring g, andbutton B, when constructed as and for the purposes set forth. JOHN S. LOVEJOY.

Witnesses:

A. C. BRADLEY,

Guns. F. STANSBURY.