US235559A - Spring curtain-fixture - Google Patents

Description

(No Model.)

P. OSGOOD.

Spring Curtain Fixtures.

No. 235,559. Patented Dec. 14; 1880.

1711/2 ntan- Urrnn rates PELATIAH OSGOOD, OF WATERVILLE, MAINE, ASSIGNOR OF TWO-THIRDS OF HIS RIGHT TO HERMAN D. OSGOOD AND JAMES M. OSGOOD, OF

SOMERVILLE, MASSACHUSETTS.

SPRING CURTAIN-FIXTURE.

SPECIFICATION forming part of Letters Patent No. 235,559, dated December 14, 1880.

Application filed May 11, 1850.

To all whom it may concern Be it known that I, PELATIAH ()seoon, of the town of Waterville, county of Kennebec, State of Maine, have invented a new and useful Improvement in a Stop-Lock for a Curtain- Fixture, which improvement is set forth in the following specification.

This invention relates to a bail'catch or dog attached to the under side of the spindle, which operates as-a stop-lock for a curtain-fixture.

Referenceis m ade to an application filed J anuary 21, 1880, and allowed April 1,1880, where the bail-catch is used for a spindlelock for a friction-balance fixture.

Heretot'ore such stop-locks have been made of pawls, catches, and other devices, which are objectionable on account of their liability to get out of order and the expense of their manufacture.

The object of my invention is to provide a more simple and efficient catch, which can be manufactured at less expense, will be more durable, and less liable to get out of order.

The invention consists of a bail shaped catch or dog pivoted to the spindle, and operated from the under side of the spindle against pins or cogs placed in the head of the roll to hold the roll from turning when the force of the spring is applied.

In the accompanying drawings, in which similar letters of reference indicate like parts, Figure l is a vertical longitudinal section of the roller-head, showing the position of the bail-catch. A is the roller. B and O are the 5 spindle. D is the bail-catch, with its notch.

E is the ratchet-plate confined to the head end of the roll. F is the teeth or cogs of the ratchet-plate E, against which the notch of the bail-catch D swings and catches.

(No model.)

Fig. 2 shows the ratchet-plate E and teeth 40 or cogs F. The peculiar shape of the teeth or cogs is shown in the side figure.

Fig. 3 shows a section of the metallic spindle B and O, with bail-catch D pivoted through it and hanging from the under side of the spin- 5 dle, as is also shown in Fig. 1.

Fig. 4 is a top view of the bail-catch D.

Fig. 5 is a side view of the bail-catch D, showing ratchet-plate E, with teeth or cogs F looking into the notch of bail-catch D, as is 0 also shown in Fig. 1.

The operation of the device is as follows: The spring curtain-fixture, being rolled up, is put into the bracket so that the catch D hangs beneath the spindle B, presenting the notch in 5 5 its face so as to catch the cogs F when the curtain is rolled up or down. This catch swinging on its pivot easily when the curtain is moved up or down rapidly, the cogs easily slip by the notch without catching; but when the curtain is moved slowly they look together, and so hold the force of the spring, giving an desired position to the curtain, and thus forming a stop or look for a spring curtain fixture.

What I claim is- In combination with aspring curtainfixt-ure, a bail-shaped catch or dog with a notch pivoted to and hung upon the spindle in such a manner that the catch will swing from the under side of the spindle into engagement with pins or cogs fixed to the head of the roll, substantiall y as described and herein set forth.

PELATIAH OSGOOD.

Witnesses:

J. G. SoULE, F. A. WALDRON.

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