US793278A - Mechanism for changing the shuttles in looms. - Google Patents

Description

No. 793,278. PATENTED JUNE 27, 1905. O UOSSERAT MECHANISM FOR CHANGING THE SHUTTLES IN LOOMS.

APPLICATION FILED MAB. 4, 1904 2 SHBBTSSHEET 1.

NO. 793,278. PATENTED JUNE 27, 1905. 0. COSSERAT.

MECHANISM FOR CHANGING THE SHUTTLES IN LOOMS.

APPLICATION FILED MARA, 1904.

2 SHEETSSHBET 2.

Hail

Patented June 27, 1905.

PATENT FFICE.

OSCAR COSSERAT, OF AMIENS, FRANCE.

MECHANISM FOR CHANGING THE SHUTTLES IN LOOlVlS.

SPECIFICATION forming part of Letters Patent No. 793,278, dated June 27, 1905.

Application filed March 4, 1904. Serial No. 196,532.

To all whom it may (term/a771,:

Be it known that 1, Oscar: Cessna-v1, a citizen of the Republic of France, and a resident of Amiens, France, have invented new and useful Improvements in or Relating to Mechanism fol-Changing the Shuttlesin Looms, which improvements are full y set forth in the following specification.

This invention relates to improvements for the purpose of rendering possible the changing of shuttles in whipping or overpick looms in the apparatus for automatically changing the shuttles in looms, which forms the subject of a former United States patent, No. 787,497, dated April 18, 1905.

The mechanism described and illustrated in the said patent, enables the changing of a shuttle to be effected by a succession of the following operations: first, stoppage of the loom in a given position; second, shifting one of the shuttle-boxes of the loom; third, replacing the empty shuttle by a full one; fourth, restarting the loom. It would be superfluous to repeat here the description of the above four operations. It is sufficient in order to make the explanation hereinafter quite clear to recapitulate the way in which the second operation takes place in the case of a sword or underpick loom.

It has been explained in the previous patent that the two parallel rods supporting the box form a portion of the slay or going part of the loom and oscillate with it and that besides those two parallel rods raise only the portion of the box containing the shuttle, leaving at the end of the slay the picker of the loom, which remains in place during the ascent of the box. As soon as the box has risen above the picker it is opened at both ends, thereby enabling the shuttles to be freely introduced and withdrawn. That is the way in which the second operation takes place in the case or an underpick-loom; but in the case of an overpick-loom a slight modification must be made in the loom, as its picker is no longer the same. It isnecessary, in fact, that the picker should not be raised with the box, in order that the latter after having arrived at the level of the shuttle receptacle or store should remain open at both ends; but in the overpick-loom the picker forms, so to say, part of the box, as it is guided in its rectilinear movement by a rod passing through it and secured to the box of the loom, so that the picker cannot be easily separated from the box.

In order to obviate the above drawback, the loom is m0dified,'as shown by way of example in the accompanying drawings, in which Figure 1 is a side elevation of an overpickloom provided with the improvements according to this invention. Fig. 2 is a side elevation of the same loom during the raising of the box.

The loom is provided, on the side only where the changing of the shuttles takes place, with V a false sword or arm 15, which receives a picker 16, similar tothat of a sword or underpick loom this false sword is attached at the top to the picking-strap 17, which transmits motion to it. ()wing to this addition, the working becomes absolutely the same as that of an nnderpick-loom. The portion 18 of the box containing the shuttle can be raised, leaving at the end of the going part the picker of the loom, which being held by the false sword remains in place in the fixed portion 19 of the box during the rising of the movable portion 18 of the box, all movements for the changing of the shuttle then taking place in the same manner as in an underpick-loom and as described in the al)ove-mentioned patent.

I claim- 1. In shuttle-changing mechanism for whipping or ovcrpick looms, the combination of a magazine containing weft, a shuttle box formed in two parts, one fixed on the lay and the other adapted to be moved into relation with the magazine to receive a supply of weft therefrom, a picker adapted to remain in the fixed part of the box while the movable part is moved into relation with the magazine, a sword to which the picker is connected, and a connection to the upper end of the sword for imparting moven'ient thereto.

2. 1n sh u ttle-changing mechanism for whipping or overpicking looms, the combination of a magazine containing weft, a shuttle-box IO a sword to which the picker is connected, and

a connection to the upper end of the sword for imparting movement thereto.

In testimony whereof I have signed this specification in the presence of two subscribing witnesses.

OSCAR GOSSERAT.

Witnesses:

D. DE MoNoHER, AUG. LUEAR.

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