US1770239A - Driving mechanism for scotch feed - Google Patents

Description

July 8, 1930. A. M. LANGLOIS 9 3 DRIVING MECHANISM FOR SCOTCH FEED Filed July 5, 1929 VJ a INVENTOR.

WE A -9 g BY (will. LIE 32. W g M an? ATTORNEYS.

Patented July 8, 1930 ALFRED M. LANGLOIS, or wHrrINsvILLE, mesa ssiana ii smaaa To with:

MACHINE wonxs, or WHITINSVILLE, mssadavsswaea'businessmen sears- DRIVING MECHANISM roe seamen seen Application filed July 3, 1 929. sensrno. 375,747.

This invention relates to a So-called Scotch feed which is an attachment for intermediate feeding of wool from one section of a woolen card to the next following section, as between the first and second breaker cards.

In such Scotch feeds, a traveling carriage is provided which is moved back and forth across a delivery. or feeding apron transversely to its path of feed. A pair of feed 16 is continuously rotated throughi a worm rolls or drums is mounted on the carriage and these carriage drums are driven through a suitable connection from the apron feeding mechanism.

Accidents have occurred from the introduction of a foreign body between thecarriage drums. A solid body, such as a piece of metal, may cause injury to the drums themselves, and a more serious condition arises through the not infrequent catching of the operators hand between the carriage drums. In this event, serious injury to the operator is usually caused.

It is the object of my invention to provide means by which such damage or injury may be practically eliminated;

To the attainment of this object, my inventio'n consists essentially in the provision of a safety device in the driving mechanism, permitting the carriage drums to be temporarily held from rotation when an obstruction is encountered by said drums, thus avoiding injury to the drums or to the operator.

My invention further relates to arrangements and combinations of parts which will be hereinafter described and more particularly pointed out in the appended claims.

A. preferred form of the invention is shown in the drawings in which Fig. 1 is an end elevation of portions of a Scotch feed embodying my improvements;

Fig. 2 is a sectional side elevation thereof, taken along the line 22 of Fig. 1;

Fig. 3 is a detail sectional view, taken along the line 3-3 in Fig. 2, and

Fig. 4 is an enlarged sectional plan view through one of the carriage drums and its driving mechanism.

Referring to the drawings, I have shown a Scotch feed comprising aframe 10 in which carriage 16 a 'deliveryapron 121s su orted-0n ran-S 114 and' isslowly' advanced by feeding connections not shown. A carriage l6-isz supported on upper'and lowershafts l7 and -18"'at the front of the; apron l2 and --is *reciprocated mounted oil-sprockets 22 and continuously driven through suitable gear -cbnnections.

rivertical driven shaft 30,- on the carriage wheel 3l and a worm'32'; (Fig.- 2) from the lower supporting :shaift =18- which' isr also a driving shaft and is rotated by aebslt, {not shown, on a pulley'34. Theshaft 30 i's continuously rotated 1 in every; position of the 3 p air of carriage -drums, and 3,8;zare mountedon the drum shafts 40 and 41 (Fig. and areipreferably provided w'ithaXia-lly extended ribs-or fins, 42 which rotate in spaced relation} and loosely engage and feed the woolsliverYW (Fig. 1). a j I Connecting gears 44 and 46' areniotirited on the shafts 40 and 41 and cause the: carriage dfumsBS and-38 to rotate simultaneously but in opposite directions. :The;gear';4tiisrpro videcl I with? a friction disc 5,0- of leather or other similar material, which 'may -be cementediorotherwis suitably secured to one face of the gear 44. A disc 52 is loosely mounted on the drum shaft 40 and a gear 54 is fixed on the axially extended hub 55 of the disc 52. A spring 56 is interposed between the hub 55 and a collar 57 adj ustably secured on the shaft 40. The gear 54 is engaged by a gear 60 (Fig. '2) on an intermediate shaft 62 connected bevel gears -6364 with the vertical shaft 30 previously described.

Having described the details of construction of my improved driving mechanism, the method of operation and the advantages thereof will be readily understood.

Power is applied through the pulley 34 to the driving shaft 18, which reciprocates the carriage 16 and also continuously rotates the upright shaft 30 and the intermediate shaft 62 engages and continuously rotates the gear 54 and the friction disc 52 associated therewith.

The gear 54 and disc 52 are loose on the shaft 40 but rotate the gear 44 through the friction disc 50. The gear 44, being fast on the shaft 40, rotates the carriage drums 36 and 38. If, however, rotation of the drums is obstructed, the friction connection between the discs 52 and 50 will slip and damage or injury will thus be effectively avoided.

By a comparatively simple change in construction I have done away with the possibility of the serious accidents which have heretofore been encountered with this type of Scotch feed.

Having thus described my invention and the advantages thereof, I do not wish to be limited to the details herein disclosed otherwise than as set forth in the claims, but what I claim is 1. In a Scotch feed, a traveling carriage, means to drive said carriage, a pair of carriage drums, shafts for said drums, and means to drive said drums from said carriage driving means as said carriage is reciprocated, said driving means including a driving gear loose on one of said drum shafts, connecting gears fixed to said drum shafts, and a yieldable driving connection between said driving gear and one of said connecting gears.

2. In a Scotch feed, a traveling carriage, means to drive said carriage, a pair of carriage drums, shafts for said drums, and means to drive said drums from said carriage driving means as said carriage is reciprocated, said driving means including a driving gear loose on one of said drum shafts, connecting gears fixed to said drum shafts, and a yieldable driving connection between said driving gear and one of said connecting gears, said yieldable connection including a pair of friction discs and means to press said discs yieldingly together.

In testimony whereof I have hereunto affixed my signature.

ALFRED M. LANGLOIS.

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