US1380791A - gerrard - Google Patents

Description

A. J. GERRARD.

V BUNDLING MACHINE. APPLICATION FILED NOV. 26. um.

Patented June 7, 1921.

' 3 SHEETS-SHEET l.

filec J Gerrard,

A. J. GERRARD. BUN DLING MACHINE. APPLICATION FILED NOV. 26,1920. I 1,380,791 PatentedJune 7,' 1921.

3 SHEETS-SHEET 2- 25 filecJGerra/rd, by

A. J. GERRARD. BUNDLING MACHINE.

APPLICATION FILED NOV. 26, 1920.

1,380,791. PatentedJnne 7,1921.

3 SHEETS-SHEET 3- files J Gerrard,

UNlTlil-D ALEG J. GERRARD, OF CHICAGO, ILLINOIS.

BUNDLING-MACHINE.

Specification of Letters Patent.

Patented June *7, 1921.

Continuation of application Serial No. 237,487, filed April 4, 1919. This application filed November 26,

To all whom it may concern:

Be it known that I, Anne J. GERRARD, a

subject of the King of Great Britain, residing at Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Bundling-Machines; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same. This invention relates to wire twisting machines and has for its object to improve the machine illustrated in the U. S. Patent #1300166, dated April 8, 1919, and issued to Edward Hatch.

With these and other objects in view the invention consists in the novel details of construction and combinations of parts more fully hereinafter disclosed and particularly pointed out in the claims.

This application is a continuation of my copending application #287487, filed April 4, 1919, allowed August 10, 1920, and entitled Bundling machine.

Referring to the accompanying drawings forming a part of this specification, in which like numerals designate like parts in all the views Figure 1 is a perspective view of the head of the machine illustrated in said Hatch patent above mentioned;

Fig. 2 is a view similar to Fig. 1, partially broken away and illustrating the opposite side of the said head;

Fig. 3 is a front elevational view of the parts shown in Fig. 1;

Fig. 4 is a sectional view taken approximately on the line 4--4 of Fig. 2;

Fig. 5 is a view illustrating the wire twisting gear train;

Fig. 6 is a perspective view of the wire twisting pinion detached;

Fig. 7 is a perspective view of one of the slidable wire holding members;

Fig. Sis a detail sectional view illustrating the operation of the parts shown in Fig. 7 and Fig. 9 is a plan view of the organized ma chine as illustrated in the said Hatch patent.

Referring first to Fig. 9, 1 indicates any suitable supporting framework, 2 a reel for holding the wire supported on said frame- Serial No. 426,500.

work, 4 the wire twisting head illustrated in Figs. 1, 2 and 3, 5 a pillar rising from the framework 1 for supporting the head 4, 6 a flange on the pillar 5 provided with bolts adapted to enter the holes 7 in the head shown in Fig. 1 for the purpose of securing said head to said pillar 5, 8 a wire tension- 1ng lever pivoted at 9 to the pillar 5 and traversing an arc-shaped member 10 secured to said pillar 5 and to the framework as illustrated.

11 indicates suitable gripping means carried by the lever 8 adapted to seize a bight of the wire 12 when passed therethrough and to tension'said wire when the lever is operated all as is explained in the said Hatch patent above mentioned.

13 illustrates the foot lever for operating the machine to raise and lower the supporting means 14 carrying the material to be wired or banded all as will be likewise clear from said Hatch patent.

This invention, as stated above, consti-.

tutes an improvement on the said Hatch patent and is particularly directed to the construction of the wire twisting head so that the foregoing parts in themselves constitute no part of this invention.

Referring more particularly to Figs. 1, 2 and 3, the head 4 is composed of the side plates 15 and 16 closed at one end by the member 17, and closed at their top by the i cover plate 18, so as to form a hollow space in which is located the wire twisting gear train consisting of a segment 19 provided with a hub 20 keyed on the shaft 21 operated by the lever 22, all as will be clear from Figs. 1, 2 and 5. The said segment 19 meshes with the intermediate gear 23, meshing with the wire twisting pinion 24, provided with the wire receiving slot 25, and with the journaled or pivoted portions 26 adapted to find a bearing in the framework of the machine. Said pinion 24 as is usual in such cases is provided with an enlarged the machine as best shown in Figs. 1, 2, 3, and and are terminated by the relatively narrow slots 32 and 33 with which the slidable members 3% and 35 are provided. 5 These said slots 32 and 33 are preferably formed by inserting in the ends of the members and the removable hardened steel pieces 36, and the slots 32 33 are only sufliciently wide to receive in parallel relation the two bights of the wire 30 and 31 as is the case with the wire twisting pinion 24.

It thus results that as the said slots 32 and 33 wil not permit ie bights 30 and 31 to rotate while the pinion 2i compels them to rotate around the c nter of said pinion, should the pinion be rotated the said bights 30 and 31 will be twisted together into a firmly holding knot all as is well known.

Attached to the plate 15 or" the head i is the bracket like ineinberO holl. wed out as shown, to receive thes idable member {11H provided with the tending lug or foot in ,e 42 forming con sur 43 l t c nstit 13 of L slidab provlded with compre; 01%) adapted to maintain their forwa in reg1ster with the slots 25 L and they are arovlded with the adui screws or luvs J c: .39 l

and as shown. Sec red v the bliiKQt (k0 is an enlargemounted the lug;

on which is 'ustable stop 57 adapte -"l stroke H 22. a on the cover plate 18 is the lug; ingthe adjustable stop 59 adapted backward strohe of the lever n or the lever ndicated at 60 normally mainlinst its stop 59 as ug 55. as at 61 is a cutter 52 provided with the iearwardly extending lever portion 63 provided with a pin, as at (i l, to which one end of a spring 65 is attached, the other end of which is attached to the lug 56 as by the pin 67, as best shown in i 1.

This said spring 65 maintains the cutter 6 normally in s inoperative position as illustrated w e 1e turning of the lever 22 and the shaft 21 gotates the cam or operating member 69 which contacts with the said lever 63 and thus operates the cutter alter the twisting operation, as will be presently diselosed.

'lhe bracliet member 45, as best shown in Figs. 2 and i is provided witn an enlargement 70 having a hollow space T1 in which is located a pivoted lever 72 provided with a tooth or detent adapted to take into a notch of the wire holding do R as best illustrated in l. Said wi e holding dog- 74, as will be elcar from s. l, 2 and 3, is pivto the enlargement 70 as at 75, and is piovided with wire holding teeth 76 adaptgrip an end 77 of the wire between themselves and the anvil member 78 with vhic the lug d6 1S prov1ded, all as will be r Fig 3.

lear om A plunger member 79 controlled by the spring 30 normally pr sses dog Tel against the end '2"? or ththe vire, as will be readily hand, when l do 7a is moved out tgernent with he wire, as by pressing; in handle or in lever 72 enou e i d dog: 7%, as bes illustrated Fig. l, and holds the said dog in its'inoperative positio: until released by )ressing upon said lever 72 as will be readily understood.

The operation of this machine is as follows lill1 end 77 is brought beneath the dog! 7-1- by unwinding the wire 12 from the reel 2, and said end 7'? is firmly clamped between teeth 76 of said and the anvil 78 whereupon tne night 30 of said wire is fl '3 passed through the narrow slot 32, the wider slot 23, the narrow slot 25 and the wider slo 23, the narrow slot and in a clockwise eirection, as seen in 3, around the bundle or package to be wired, whereupon said wire is brought hack to the dog T l, past the same, and'its bight 31 is brought into the slot 32 that it will become parallel the bi 30. Said bight 31 is carried on in a parallel relation to the eight 30 through the succeeding slots 28, 25, 28, 33 and then through or between the dogs 11 carried by the lever 8 illustrated in Fig. 9. The foot lever 13 having been operated in the manner disclosec in the said Hatch patent, above mentioned, to compress the bundle, the tensioning lever 8 may now be operated to cause the dogs 11 to put any desired tension on the bight 31 of the wire. I should be observed that, as is best illusthe 81, the tooth of trated in Fig.9, the dogs 11 are spaced out of line with the slots 32 and 33 or somewhat to the rear of the same so that when the lever 8 is operated the tendency will be to press the bight 31 in against the bight 30, see Fig. 5, so that the said two bights will be maintained firmly in their parallel rela tion rather than displaced from such a relation. 7 In other words, unless the bights are firmly held in the bottom ofthe slot 25 during the twisting operation, they are liable to get out of line and to cause the machine to The proper tension having; been placed on the wire by operating the lever 8 in the manner described, the hand operated lever 22 rapidly thrown from its dotted line position, shown in Fig. 5, to its full line position, against the tension of the spring 60.

This throw of the lever 22 causes a definite angular rotation of tie twisting pinion 24 by reason of said lever 22 being accu rately stopped at a predetermined point by its contact with the adjustable stop 5?. Therefore, it results that not only will a predetermined number of twists be placed in the bights 30 and 31 of the wire 12, but the slot 25 will be stopped in a predetermined angular position depending upon the adjustment of the screw 57. it said screw has been adjusted to the position indicated in the drawings, the angular position in which the slot 25 stops will be in the same horizontal plane as the slots 32 and 33; while it said screw 57 is somewhat lowere iii its adjustment the lever 22 will move to a lower position than is indicated in 5, so that said slot 25 may even be turned to occupy a substantially vertical position.

In addition to thus stopping the lever 22 and the slot 25 at a. predetermined angular position, the. parts are so timed that the lugs 52 and. 54; carried by the lovers 51 and 53 respectively will engrasie the adjustable screws or lugs 49 and 50 respectively, carried by the sliding members 34 and 35, with the result that said slidable members 34 and 35 will be forced to the rear against the compression of their springs 48 so that their slots 32 and 33 will disappear inside the brackets 45 and 40, and hus bring the twisted portions of the l' ts and 31 against the cut away portion of the frame of the machine to the end that said bights will be forcibly ejected from said slots 32 and it thus results, whether the slot stops in a horizontal or in a substantially vertical position, owing: to the particular adjustment of the screw 5'2, the twisted bights 30 and 31 will be freed from the slots and 33 before said lever 22 ceases its forward movement.

In the meantime, and just before the ejection or" said twisted portions of the wire takes place, the cam 69 contacts with the lever 63 of the cutter 62 and causes said cutter to sever the bight 31, only of the wire. is will be clear from Figs. 1, 3 and 9, the bight 30 of the wire passes down in front of the lug 4:2 and below the cutter 62, while the bight 31 of the wire leaves the slot 33 at a considers lo angle to the said bight 30 and passes above the cutter 62 so that the operation of the cutter 62 does not sever the bight 30.

The lugs or feet ll and 46 with their smooth bottoms l-2and at? constitute eili cient means for aidingin putting the package under comoression in that they form a wider bearing surface than is altorded by the head shown in said Hatch patent, above mentioned.

As soon as the cutting operation has been completed t is spring: returns the cutter to its inoperative position shown in 1, and away from the stationary cutting edge 90 there illustrated.

The spring 60 immediately returns the lever 22 as above stated, and the stop 39 insures that the slot 25 is in a proper post tion to receive another bight of the wi e.

it will now be clear that it he screw 57 occupies one position, the twisted bights 30 and 31 will be ejected from the holding; slots 32 and 33 by the time the twisting; slot 25 reaches a horizontal position. Un the other hand, another adjustment of said screw 57 will cause said slot 25 to move an additional angular distance after reaching a horizontal plane, and thus will permit the twisted bights to {all out of said slot 25 under the action of gravity upon the completion or": the stroke of lever 22.

It is obvious that those skilled in the art may vary th details of construction as well as the arrangement of. parts without depart-- ing from thespirit ot the invention, and therefore, do not wish to be limited to the above disclosure except as may be required by the claims.

l V hat I claim is I 1. In a wire tying; machine the co nation of wire twisting pinion proi with a slotadapted to receive parallel i of wire but too narrow to permit said big'hts to be twisted together in said slot; slidable member on each side oi said pinion havingslot also adapted to receive said bights and to prevent them from being; twisted together; means to actuate said pinion to cause said sights to become twisted together outside said slots; and means to move said slidable members at the end of the twisting; operation to forcibly eject therefrom said twisted bights ct wire, substantially described.

2. In a wire tying machine the combination of a wire twisting mechanism comprising a slidable wire holding member; and means to so move said member at the end of the twisting operation as to forcibly eject the twisted wire therefrom, substantially as described.

3. In a wire tying machine the combination of a wire twisting m ans comprising a slidable wire holding member; and connections for automatically ejecting the twisted wire from said member at the end of the twisting operation substantially as described.

l. In a wire tying machine the combination of a wire twisting means comprising a slotted spring controlled movable wire holdingmember; and connections for automatically and forcibly ejecting the twisted wire from said member at the end of the twisting operation substantially as described.

5. In a wire tying machine the combination oi a wire twisting head having a fiat bottom and comprising a gear train and side walls inclosing the brackets rigid with said walls provided with projecting feet having fiat bottoms forming extensions of said first named bottom; and slotted slidable wire holding members housed in said brackets substantially as described.

6. In a wire tying machine the combination of a wire twisting gear train comprising a pinion provided with a slot; a slidable slotted wire holding member coacting with said slot; an actuating lever and connections for operating said gear train and slidable member; and an adjustable stop to limit the movement of said lever substantially as described.

7. In a wire tying machine the combination of a wire twisting gear train comprising a slotted wire twisting pinion; a pair of slidable wire holding members coacting with said pinion; means to hold in position a wire encircling a package; means to tension said wire; means to actuate said gear train t twist together two bights of the tensioned wire; connections with said actuating means for forcibly ejecting the twisted wire from said holding members; and means to limit the throw of saidactuating means. substantially as described.

8. In a wire tying machine the combination of a wire twisting gear train comprising a slotted wire twisting pinion; a pair of slidable slotted wire holding members coacting with said pinion; means comprising a dog to hold in position a wire encircling a package; means comprising a lever to tension said wire; means comprising a lever to actuate said gear train to twist together two bights of the tensioned wire; connections comprising levers with said actuating means for forcibly ejecting the twisted wire from said holding members; and adjustable means to limit the throw of said actuating means substantially as described.

.9. In a wire tying mechanism, means for gripping the free end of a wire; means for severing the wire subsequent to the training of the same about bundle of material; slidable wire holding means arranged between the wire gripping means and the cutting means; and wire twisting means located intermediate the slidable wire holding means substantially as described.

10. In a wire tying mechanism, means for gripping the free end of a wire; means for severing the wire subsequent to the training of the same about a bundle of material; slidable wire holding means arranged be-- tween the wire gripping means and the cutting means; wire twisting means located intermediate the slidable wire holding means; and means for operating synchronously the slidable wire holding means and the wire twisting means snbstantiall as described.

11. In wire twisting and tying mechanism means tor gr pping the free end of a wire; means tor severing the wire subsequent to the training of the same about a bundle of material; slidable wire holding means arra ged between the wire gripping means and the cutting means; wire twisting means located between the slidable wire holding means; means for operating synchronously the slidable wire holding means and the wire twisting means; and yieldingv means for opposing the sliding movements 01' the wire holding means, substantially as described.

12. The comb'nation of a rotatable wire twisting pinion of slotted slidable wire holdmembers arranged on opposite sides at the rotatable wire twisting pinion; a lever for operating the rotatable wire twisting pinion and controlling the wire holding members; and a pair of adjustable stops for said lever substantially as described.

13. In a wire tying machine the combination of a wire twisting mechanism comprising a rotating wire twisting slot and a slidable wire holding member; means for forcibly ejecting the twisted wire from said holding member; and means for stopping the rotation of said wire twisting slot after the ejecting operation and after passing a horizontal position, substantially as described.

l l. In a wire tying machine the combination of wire twisting mechanism comprising a rotating wire twisting slot and slidable wire holding members; means for forcibly ejecting the twisted wire from said holding members at the end of the wire twisting operation; and means for automatically stopping the rotation or" said wire twisting slot after it passes a horizontal plane, substantially as described.

In testimony whereoi l ailiX my signature.

ALEC J GERRARD.

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