US1122631A - Safety device for lap-winders and the like. - Google Patents

Description

L. W. PENNEY; SAFETY DEVICE FOR LAP WINDERS AND THE LIKE. APPLICATION FILED AUG. 10, 1914.

1 1 22,6 3 1 Patented Dec. 29, 1914.

3 SHEETSSHEET 1.

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L. W. PBNNEY.

SAFETY DEVICE FOR LAP WINDERS AND THE LIKE.

IU I APPL ATION FILED AUG 10 1914 Dec. 29,

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THE NORRIS PETERS c0. PHuTo-LITHQ. WASHINGTON D. c.

L. W. PBNNEY. SAFETY DEVICE FOR LAP wmnnns AND THE LIKE.

Patented Dec. 29, 1914.

3 SHEETSSHEET 3.

APPLICATION FILED AUG. 10,1914.

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however, that my UTED STATES PATENT v OFTCE.

IOREN W. PENNEY, OF NEWTON, MASSACHUSETTS, ASSIGNOB. TO SACO-LOWELL SHOPS, OF BOSTON, MASSACHUSETTS, A. CORPORATION OF MASSACHUSETTS.

Specification of Letters Patent.

Patented Dec. 2a, 1914..

Application filed August 10, 1914. Serial No. 858,070.

To all whom it may concern:

Be it known that I, LOREN V. PENNEY, of Newton, in the county of Middlesex and State of Massachusetts, a citizen of the United States, have invented a new and useful Improvement in Safety Devices for Lap- VVinders and the like, of which the following is a specification.

In lap winders as ordinarily constructed there are two fluted rolls on which the core about which the lap is wound is supported and on the core rests a top roll of similar character and of great weight operated by power. In practice the operator winds the lap around the core and sets the core in position after which the top roll is lowered. If he sees that the lap is not winding properly upon the core the temptation is to straighten or even it outby hand and unless he is careful his handwill be drawn in between the core or lap and top roll and severly jammed. My invention is intended to prevent such an accident by providing a shield which when the machine is started is positively locked in place, lying between the operator and the top roll and core so that it cannot be removed to expose the core without lifting the top roll again. Thus after the top roll has been lowered and the operation of winding has begun the operator cannot by any possibility get behind the shield to straighten out the lap except by lifting the top roll to its highest position side view, the shield being in its withdrawn position.

I have shown my invention applied to a lap winder of the kind described in Letters Patent No. 1,029,391, dated June 11, 1912, issued on an application filed by Charles Mills and myself. It will readily be seen, invention may be applied to other lap winders. I

A is the frame within which slide vertically in the usual manner the slides B, B mounted in ways a, the top roll being lettered C; C C being the usual bottom rolls, this mechanism being all of it operated in any usual and convenient manner.

The core upon which the lap is wound and which is indicated at D rests upon the rolls (1, C and on it rests the top roll C, which is journaled in the slidesB, B As the lap grows as it is wound upon the core the top roll C is lifted from the position shown in dotted lines in Figs. 2 and 3 to the position shown in full lines in Fig. 3 and as it is lifted by the increasing size of the lap it lifts with it the slides B, B Trunnions e, e are mounted to turnv in the upper ends of the slides B, B and to those trunnions is rigidly attached the shield so that it may be lifted at the proper time about the trunnions as an axis. The shield comprises two parts, the part-E which is attached to the trunnions and the part E which is hinged at e thereto. I prefer to locate the hinges 6 back from the free edge of the part E as shown so that while the part E may drop into vertical position when the part E is lifted as shown in Fig. 3, it cannot be pulled forward to get access to the mechanism behind it when thepart E is in its lower position. I also prefer to provide the part E with slots E so that the winding operation may be watched. As shown in Fig. 1 the portion E of the shield is somewhat narrower that the portion E. This allows the portion E to hang between the two side frames A of the machine while the lower or hinged part E of the shield will slide upon the flanges a which form the inner edges of the frame, these flanges holding the portion E away from the moving parts of the machine.

The trunnion e carries a rocker F having preferably pins 7, f projecting laterally from it, and to this rocker the part E of the shield is bolted, it forming the means of rigid attachment between the shield and this trunnion so that this rocker and the shield form a lever of which the trunnion e is the fulcrum and the pins 7, 7 project from the rocker one on each side of the fulcrum. The pin f forms a stop which on engagement with the upper portion of the slide 13 will serve as a stop to prevent the part E of the shield when in lowered position from falling inagainst the top roll. The pin 7" forms one member of a lock to prevent the shield from being lifted except at a time when it may be with safety. The other member of the lock is the arm G. which. is mounted on the upper part of the frame A near enough-to the pin f to engage it and hold the rocker F positively in an upwardly-projecting position (see Fig. 2) and then lock it and the shield from being lifted. The upper end ofthe arm Gris preferably hook-shaped so that a recess 9 capable of receiving the pin fis formed and the extremity Q of the-hook projects preferably beyond the face of'the arm G so as to insure the restraint of the further upward movement of the pin 7 and its end of the rocker F as the slide B continues to rise on the further enlargement of the lap roll and the consequent lifting of thetop roll (see Fig. 3).

Theoperation of this mechanism. is simple. As the top roll is lowered from itsposition shown in Fig. 3 to the position shown in Figs. 1 and 2f the pin f is pulled out of the, recess g and rides down the face of the arm G into the position shown in Fig. 2.

It, will be seen that, thedistance between .way at any time during the lap wi'nding operation so that the operator could by one means or another get, behind the shield at any time, the shield serving merely asa suggestion to him that he had'better not risk an accident, but so far asI know no, shield has been constructed heretofore by which the operator is absolutely prevented from tampering with the coreor lap. after the machine has once been started except. by rendering the top roll ineffective. and so removing all danger, Believing therefore that I am the first to look a shield permanently during the dangerous period of the 'machines operation, so that, access cannot be had to the rolls or lap, I do not wish to 55;

limit myself to the precise construction shown nor to the. use of such a device on lap winders only. Theilock may emod fied n construction and be within the scope of my claims whether it is attached to a lap winder orother like machine.

WVhilQ I. prefer to p o ide, the upper en of-the arm with a ookrshapedfing r,

this is not n cessary The M m rt omitted; he a m. thus s rvi g a a 19th a before so long as the pin fis in engage- 2. In a machine of the kind described, a

frame, slides mounted to slide with relation thereto, a pivoted shield mounted to move with said slides, a rocker attached to said shield and projecting rearwardjly therefrom,

an upright arm fixedly mounted on said frame in close relation to said rocker whereby the rearwardly-projecting end of said rocker, will be revented from being depressed to lift the shield while said rocker and said arm are, in contact.

3. In a machine of the kind described, a frame, slides mounted to slide with relation thereto, a pivoted shield mounted to move with said slides, a rocker attached to said 7 shield and projecting rearwardly therefrom, an. upright arm fixedly mounted on said frame in closerelation to said rocker whereby the rearwardly-projecting end of said rocker will be prevented from being de-v pressed to lift, the shield while said rocker and said armare in contact, said arm being provided with a recess at its upper end adapted to allow the rocking of said rocker.

l. In a machine of the kind described, a frame, slides mounted to'slide with relation thereto, a pivoted shield mounted to move with said slides, a rocker attached to said shield and projecting rearwardly therefrom, an upright, arm fixedly mounted on said frame in close relation to said rocker Whereby the rearwardly projecting end of said rocker will be prevented from being depressed to lift'the shield while said rocker ioo and said arm are in contact, said arm being provided with a hook-shaped finger at its upper end, said fing r forming arecess to allow the rocking: of said rocker, said finger being adapted to restrain the upward movem nt o t e e g i g x rem ty of s rocker whereby as theslides continue to rise said extremity of said rocker will be prevented from rising and said shield willbe lifted. i I

5. In a machine of the kind described, a;

frame, slides mounted to slide with relation there o a hl l c m r si g o m r one. iilvotally o n o said sl d s n the other hinged to. th owe e ge o a first member, andmeansfor leckingv said shield when the slides are at one extremity of their movement and for releasing it at the other extremity of their movement, the hinges connecting said shield members being located on the under side of said pivoted member and slightly back from its lower edge, wherebv said lower edge will form a stop to prevent said hinged member from being pulled forward, but will allow it to swing freely rearwardly when occasion permits.

6. In a machine of the kind described, a frame comprising two slide members, two bottom rolls, a top roll, slides in said frame to support said top roll, a shield adapted when said top roll is in its lowest position to hang in front thereof and prevent access thereto,- and means for positively locking said shield in said position until said top roll is approximately in its highest position, said shield comprising an upper member and a lower member hinged together where by said lower member cannot be pulled forward of said upper member, said upper member being narrower than the distance between the side members of said frame and the lower member being sufliciently wide to ride on said side members of said frame.

LOREN W. PEN NEY.

Witnesses:

GEORGE O. G. COALE, M. E. FLAHERTY.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Iatents, Washington, D. 0.

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