US1381467A - Stop-motion for combs - Google Patents

Description

'0. E. JEWETT AND F. FITZGERALD.

. STOP MOTION FOR COMBS.

APPLICATION FILED FEB. 2, 1920. 1,381,467. Patented June 14, 1921.

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UNITED STATES CHARLES E. JEWETT,'0F NORTH To all whom it may 'concermfl Be it known that we, CHARLES E. Jnwnr'r and F RED FITZGERALD, both citizens of the United States, residing at North Andover and Lawrence, in the county of Essex and State of Massachusetts, have invented certain new and useful Improvements in Stop- Motions for Combs, of which the following is a specification.

This invention relates to stop-motions for worsted combs, particularly for those of the circular type. Its especial application is in connection with, or in addition to, stop-motion for combs described in Letters Patent to Charles E. Jewett and Fred Fitzgerald, April 1, 1919, No. 1,299,187.

The purposes of the above named patent were to stop the comb when either the sliver or an apron should break.

The present invention is for the purpose of stopping the comb whenever the belt which drives the revolving trumpet breaks. In the drawings, Figure 1 is an elevation of the parts of a worsted comb with which my device cooperates. In such combs, the trumpet is generally not parallel with the main driving shaft and the shipper, but it is so shown in the drawing for convenience. Fig. 2 is a detail elevation of the finger and arm.

Fig. 3 is a detail elevation of one contact member. 7

Fig. 4 is a detail elevation of a modified construction which may be used with the contact member shown in Fig. 3, or any other suitable contact member.

Fig. 5 is a detail elevation as from the left of Fig. 1, partly in section, showing my preferred form of contact member and weight. v V g 7 As described in the above mentioned patent, the roving, a section of which is shown at R, Fig. 1, passes around a faller wire or 36, out through the trumpet T through end 15, and emerges at 16.

"The trumpet T is revoluble in a suitable casing F having the parts 13 and 14 which serve as a bearing therefor. The pulley 12 is fixed to the trumpet and is driven by means of a belt D which passes over a pulley such as is shown at E and which may be carried by the main driving shaft 60.

As shown, this shaft 60 carries loose pulley 61 and fast pulley 62 for the main driving belt 64. This belt can be shifted from form of Specification of Letters Patent.

PATENT OFFICE.

ANDOVER, AND FRED FITZGERALD, OF LAWRENCE, MASSACHUSETTS.

STOP-MOTION FOR COMES.

Patented June 14, 1921.

Application filed February 2, 1920. Serial No. 355,541.

one pulley to another by means of a fork 63 carried by a shipper rod H having a handle 7, the loose pulley and shipper being part of the comb stopping means.

The faller wires 35 and 36 are pivoted on each side 'of frame F and each is fixed to a finger, such as 30, which has a nose 31 and a slot 32 through which passes a pin 33 into frame F. Each pin 33 thus serves as a pivot for a finger and a faller wire. WVhen not held back by the roving, the faller will drop forward to the position shown at 35, carrylng with it its finger 30.

Cut into trumpet T or attached thereto is a worm 20 which engages a worm gear 21 carried by a shaft 22 in frame F. This shaft 22 carries at each end one or more tappet cams 23 in such position that when a faller wire drops forward, the nose 31 of its corresponding finger will drop into the path of a cam 23 and will be lifted thereby as the cam rotates with the trumpet T.

The shipper H is the means for starting and stopping the comb by hand or otherwise, and L is the means shown as an actuator to so operate the shipper as to stop the comb when trigger mechanism, shown at 51, does not hold such comb stopping means out of action. This actuator L, operated by a spring, as shown, together with the shipper H and loose pulley, comprise together the comb stopping means. This mechanism may be of any desired type, one type being fully shown and described in Patent No. 1,299, 187 above mentioned.

K is a connecting rod which at'48 is attached to trigger mechanism 51 and is adapted to be so moved as to release suchtrigger mechanism from the comb stopping mechanism when pushed upward. It is shown as including a fork M having legs such as 40 and as sliding in groove such as 17 in frame F, and as being connected with fork M by a joint 44.

Our invention comprises the rocker arm A pivoted at 71 to cars 70, fixed to and extending upward from the part 14 of frame F, having a relatively long shank 75 and a finger 72 which is adapted to engage a nose 73 on connecting rod K.

Near the free end of rocker arm A is a contact member which is adapted to rest against the trumpet belt D in such position that the rocker arm will be just beyond a dead center, When the belt D breaks, the

weight of the contact member and shank of arm A will cause the long end to drop, raising finger 72 and nose 73 whereby the trigger mechanism is released, permitting the comb stopping mechanism to operate the shipper and stop the comb, as see dotted lines in Fig. 1.

This contact member, as shown in Fig. 3,

. may be merely a bend 7 6 of arm A, but we prefer to use a contact plate B of curved form, as shown in Figs. 1 and 5. This contact plate B is supported by a boss 83 through which passes a screw rod 82, which is screwed into a counterweight 'S slidable on shank 7 5 of rod A. lVeight S can be adjustably secured on shank by means of set screw 81, and plate B can be adjustably secured on rod 82 by means of a set screw 84:.

It is apparent that where the rocking member is set, as shown in Fig. 1, substantially leaning against the trumpet belt D, when such belt breaks, its weighted end will swing in the arc of a circle, gaining in momentum as it drops, thus forcibly lifting the connecting rod K and operating the mechanism to stop the comb. Preferably we use an adjustable stop 74, shown as a screw, to limit the movement of the rocking member away from the belt. I

As shown in Fig. 4:, instead of using the counterweight, such as S, we may use a spring 92 between an eye 91 on an ear 70 and an eye 90 on arm A.

We claimi 1. In a comb having a movable shipper for starting and stopping, a revoluble trumpet guide, a belt for revolving said trumpet guide while the comb is running, means adapted to so operate the shipper as to stop the comb, trigger mechanism to hold such shipper operating means out of action, and a connecting rod adapted to be so moved as to release the trigger mechanism from the shipper operating means, the combination of a nose fixed to said connecting rod, a pivoted rocker arm having a finger adapted to engage said nose, a contact member including an adjustable contact plate and an adjustable counterweight carried by the free end of the rocker arm in such position that when it rests against said belt, the finger and nose are out of engagement but when the belt breaks, the contact member and rocker arm so move that the finger engages the nose and so moves the connecting rod as to disengage the trigger mechanism from the shipper operating means, thereby allowing the shipper to stop the comb.

2. In a comb having a movable shipper for starting and stopping, a revoluble trumpet guide, a belt for revolving said trumpet guide while the comb is running, means adapted to so operate the shipper as to stop the comb, trigger mechanism to hold such shipper operating means out of action, and a connecting rod adapted to be so moved as to release the trigger mechanism from the shipper operating means, the combination of a nose fixed to said connecting rod, a pivoted rocker arm having a finger adapted to 7 engage said nose, a contact member carried by the free end of the rocker arm in such position that when it rests against said belt, the finger and nose are out of engagement but when the belt breaks, the contact mem- 7. ber and rocker arm so move that the finger engages the nose and so moves the connecting rod as to disengage the trigger mecha nism from the shipper operating means, thereby allowing the shipper to stop the comb.

3; In a comb having stopping means, trigger mechanism to hold such stopping means out of action, a revoluble trumpet guide, a belt for revolving said trumpet guide, and a connecting rod attached to the trigger mechanism, the combination of a'nose fixed to said connecting rod, a rocker arm having a finger adapted to engage said nose, and a contact member carried by the free end of the rocker arm in position to rest against said belt.

4. In a comb having stopping means, trigger mechanism tohold such stopping means out of action, a belt, and a connecting rod attached to the trigger mechanism, the combination of a nose fixed to said connecting rod, a rocker arm having a finger adapted to engage said nose, and a contact member carried by the free end of the rocker arm in position to rest against said belt.

In testimony whereof we have affixed our signatures.

CHARLES E. JEWETT.

FRED FITZGERALD

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