US76273A - Charles e - Google Patents

Description

CHARLES E. THOMPSON, OF NEW HAVEN, CONNECTICUT.

Letters Patent No. 76,273, dated March 31, 1868.

turnover) CURTAIN-mrusissron essences, et.

@tige rlumlev refrmttn im their ttters'atent mit mating met uitte same.

TO ALL WHOM IT MAY CONCERN:

Be it known that I, CHARLES THOMPSON, of the city and county of New Haven, in theState of Connecticut,` have invented a new and useful Improvement inCurtain-Fixtures for Carriages, &c.; and I do hereby declare that the following isa full,clear, and'exact description of the construction, character, and operationv of 'the same, reference being had te' the vaccor-1 1panying-drawings, which make part of this speciiicatiomin'which- Figure l isla perspective vien' of the apparatus when ready for use.

Figure 2 isa section of the'saine, cnt.longitudi,nally through the'centre, lshowing the spiral spring, &c.

Figure 3 is a perspective of the movable head of the bindingcollar,or that portion of the collar-which contains the pieceY of India-rubber `tubing, which supplesthe place ofor enables 'me to dispense with the ratchet-wheel.`

Figurel: is a. perspective view of the binding-collar and outward head, showingthe binding-lever which vholds the curtain at the desired point, 'and the internal spring which Inake's the lever effectual.

My improvement consists in using within the collar and on the endof the shaft,a piece of plain India-.rubber tubing, sustained by a suitable. metallic socket which, revolves on the, main rod or `shaft ,'and a suitable lever Working on a fulcrum-pin within the collar,the inner end of which lever I bevel essentially to a point or edge,

.and a suitable spring ivithin the collar torfact upon andsforce the inner end or point of the lever against and into the yielding convexl surface of the India-rubber tube, so as-to stop the curtain at any desired point, while the end ofl the-lever by which -it is Worked extends outside, so that it may-be easily worked by a cord and tassel to release the curtain and /al'lovv it to,v be rolled up bya suitable springwithout the use of any ratchet-wheel, o r other noisy device, as has heretofore been used on spring-roller curtains. I y

I make and fit the rod or shaft spring B, *case cr'roller C, and knobs or studs D and D', and solder the heads E and F to the endsofthe -case C in the usual way,as shown in figs. 1 and 2. i In the central part of the head E, I fit a metal socket or short tube, as shown ata, fig. I3, and indicated at a a, fig. 2,`Which dts so loosely as to run freely on the rod or shaftA, 'when the ease C is being revolved leither by the cordor the spring. On the outside of this socket or tube a, I t or stretch a piece of plain India-rubber tubing', as represented at Mg. 3, and indicated in section` at b'b, fig. 2, which will adhere so closely to the socket a as not to' be movedby the operation ofthe spring B, orthe drawing down of thecurtain Gr, and of a. thickness to aiord the necessary elasticity for yielding to the point or edge e of the lever H c, as indicated in fig. 2, so that'the'casc C cannot be revolvedbut in one way while the inner arm c of the lever H is under the'iniiuence of the internal spring d. I'malre the binding-lever H c to Work on'a fulcru-m-pi'n, as e, figs. 1, 2, and 4, with its inner end bevelled essentially to a point or edge, as shown at e, fig. 4, so that it may, bythe force ofthe spring d, be caused to press upoin and indent the VIndia-ruhber tubing, Aso as to resist the force of the spiral spring B, and thereby cause the cur,- tain Gto remain at any pointer position. which may be desired at any time, and'yet, when drawing the curtain down, the point or edge e willlpas's smoothly and silently over the outer surface of the VIndia-rubber tubing withoutany essential resistance, like that of '.friction. I make the collar g and outer head L substantiallyas represented in'figs. 4 andil, so that -it may: contain the socket a, India-rubber tubing 15, inner end c of the hiudingdever I-I e, and curved spring 0l, allasvrepresented in figs. 4 and 3. And upon the outer surface of the head L, I cast oriit a'square projection, as representedat L, figs. 1, 2, and 4, to enter the knob or stud D', figs. l. and 2, to prevent'the rodA, collar g, and head L from turningivhen the curtain G is drawn doi'vn, so that the act of draiving down the curtain will wind up the spring B, and leave it in such a. situation that, when released, it will wind the curtain up as before.-

Having made the several parts, as beforedescribed, fitted the spiral spring B, attached and wound up the curtain in the usual nay, I stretch the piece of Indialrubbertubi'ng b ori to the socket or tube a, and'put on the collar r, raising the pointe of the binding-lever or'trigger until it passes outside ofthe India-rubber tube I1, and solder or otherwise'secure the projection i to the rod A, as indicated at Z, fig. 2, and insert the ends of the rod into the studs D and D,and screw'the studs on to the'frame of the coach-door, or any other frame desired, when the wholeivill ,be really for use, as shown in figl l. I draw down the cnr-tain G by thel tasscLM, while the point c of the binding-lever or trigger will Ipass freely over the smooth surface of the tube .but when I cease todraw 't down, the action of the 'two springs B and d will press the point c into the yielding convex surface of the Indiadubber tupe b, and -hold it firmlyv in the desired position `-against the ation of the spring'B. And when I desire to roll up'the curtain, I pull down the tassels N, which are attached to the outer end H of the binding-lever H c, which, by its vibrating on the fulerum-pin e, willraise the inner end c from the surface of the India-rubber tube b, and allow the spring B to roll up the' curtain; .all ofl which is done with entire smoothness, and without the least noise. Y

What Iy c ltim as my invention, and desir-ero secure' by vLetters Patent, is The combination of -th metal socket a and India-rubber tube b with the binding-lever c H and the springs d and B, when they are constructed, arranged, and fitted for use7 substantially as 4herein described and set forth.

' CHARLESE. THOMPSON. Witnesses:

ABNER L. TRAIN, R. FITZGERALD.-

Images