US199702A

US199702A - Improvement in stop-motions for warping-machines

Info

Publication number: US199702A
Authority: US
Publication date: 1878-01-29
Anticipated expiration: 1895-01-29

Description

J. B. GREENHALGH. Stop-Motion for Warping-Machines.

Patented, Jan. 29, 1878;

ATTORNEYS.

NYPETERS PHOTO-UTHOGRAFHER, WASMNGTDH. D cv UNITED STATES PATENT OFFICE.

JOHN B. GREENHALGH, OF UXBRIDGE, MASSACHUSETTS.

IMPROVEMENT IN STOP-MOTIONS FOR WARPlNG-MACHINESQ Specification forming part of Letters Patent N0. 199,702, dated January 29, 187B application filed July 30, 1877,

To all whom it may concern.-

Be it known that I, JOHN B. GREENHALGH, of Uxbridge, county of Worcester, and State of Massachusetts, have invented a new and Improved Stop-Motion for Warping-Machines, of which the following is a specification:

This invention has relation to stop-motions for warping-machines; and the nature of my invention consists in arranging between the drum or reel and the spools a series of gravi' tating wires, through eyes formed on which the threads pass, in combination with a vibrating bar and tripping devices which will actuate a belt-shifter and stop the motion of the machine should a thread break, as will be understood from the following description.

In the annexed drawing, Figure 1 is a view in detail and partly in section, illustrating my improved stop-motion. Fig. 2 is an end view, partly in section.

Similar letters of reference indicate corresponding parts in the two figures.

The letter A designates one of the supports for the shaft of a cylinder, 13, aroimd which is wound the yarn to be spooled. On one end of the shaft of this cylinder an eccentric, a, is keyed, which operates through the medium of a pitman-rod, O, on an arm, D, that is keyed on a tubular shaft, E. The arm D and another arm, D, also keyed on shaft E, have secured to their ends a rod, 1).

Passing through the shaft E is a shaft, F, which has its hearings in two standards, A A, and to which'two arms, 0 c, are keyed, which have a slotted plate, Gr, secured to their ends. 0n opposite sides of the slot through said plates are arranged inclined guides e 0. Above the slotted plate G is a perforated bar, H, which has its end bearings in the standards A A, and to which a guide, I, is secured. This guide I is perforated, and receives loosely through it dropwires g, the upper ends of which are constructed with hooks g. The wires 9 are allowed free vertical play through the guide I. On one end of the shaft F is keyed a trip, h, which receives oscillating mo tion at certain times through the medium of said shaft F, and operates on a'yoke, K, to

lift a latch, L, held down by a spring, S. With the lower end of the latch L the upper end of a belt-shifter, N, engages. \Vhen the latch L is lifted the belt-shifter is released from it, and by the recoil of a spring, 8, will throw the driving-belt from the fast to the loose pulley and stop the machine.

The threads are carried from the drum B and passed through the perforated bar H, thence through the hooks or eyes g on dropwires g, and thence to the spools. The rod 12 receives constant vibration from the drum B, passing forward and backward beneath the lower ends of the drop-wires g as, long as the machine is in operation and no threads are broken. Should a thread break from any cause, the wire 9, which is held up from it, will drop, and the end of such wire will pass through the slotted plate G and be struck by the rod 11, causing a movement of shaft F, thereby raising latch L and throwing the belt-shifter into operation. The machine will instantly stop, and the broken thread can be mended and its drop-wire disengaged from the plate G, when the operation of winding will proceed as before.

Having thus fully described myinvention, I claim as new and desire to secure by Letters Patent- 1. The combination,in a warping-machine, of the swinging slotted plate G, having arms 0 and guides e, the vibrating rod b, having arms D D, and the solidshaft F and tubular shaft E with the drop-wires g, perforated guideboard-H I, and mechanism, as described, for connecting the same with a be1t-shifting.device or stop-motion, sul'vstantially as herein set forth.

2. The combination of the yoke K, latch L, spring S, belt-shifting lever N, and spring .9 with the shaft F, having oscillating trip h, drop-wires g, slotted plate G, and rod b, as and for the purpose set forth.

JOHN B. GREENHALGH.

Witnesses:

J AMES H. Moonouse, THOMAS SMITH.