US1138537A - Mechanism for making cloth-boards. - Google Patents

Description

A. M. CHAFFEE. MECHANISM FOR MAKING CLOTH BOARDS.

APPLICATION FILED MAY 15. 1914.

1,138,537. Patented May 4, 1915.

4 SHEETS-SHEET I- :I': ji fflifj w. 6? @M fi fw THE NORRIS PETERS 60.. PHDTC-LITHQ. WASHINGTON. u. c.

A. M. CHAFFEE.

MECHANISM FOR MAKING CLOTH BOARDS.

APPLICATION FILED MAY I5, I914- 1,1 38,537. Patented May 4, 1915.

4 SHEETS-SHEET 2.

FIE 2- 29 65 as is 7 mi 5162 1155555 fzzt/ezzfar THh IVURRIS PETERS CQ. PHOTO LITHQ. WASHINGTON, D. C

A. M. CHAFFEE.

MECHANISM FOR MAKING CLOTH BOARDS.

APPLICATION FILED MAY is, 1914.

1,138,537. Patented May 4, 1915.

4 SHEETS-SflEET 3.

FEE 2 55525 1273/5212 az- THE NORRIS PETERS 50.. FHOTGJJTHO. WASHINGTUN, D. C.

A. M. CHAFFEE.

MECHANISM FOR MAKING CLOTH BOARDS.

APPLICATION FILED MAY 15, 1914- 1,138,537.

Patented May 4, 1915.

4 SHEETSSHEET 4- [1522355555 [J VE 22 0.2-

THE NORRIS PETERS 60.. PHOTOJJYHQ. WASHINGTONv D. c

UNITED STATES PATENT oFFioE.

ALFRED M. CHAFFEE, or oxronn'nassaonnsnrrs.

To all whom it may concern: Be it known that I, ALFRED .M.

l a citizen of the United States, residing at Oxford, in the county of'W orcesterand Stateof Massachusetts, have invented certain new and useful Improvements in Mechanism for. Making Cloth-Boards, of which the following is a specification.

The objects of my present invention are to provide a convenient and readily controllable --means for preparing a glue-coated moistened paper fabric, and delivering the same from a continuous web in condition for the assembling therewith ofthe several parts of the cloth-board. Also, to afford efficient means for compressing and uniting the assembled members comprising the frame and covering of the article in auniform, compact and complete. manner, as more fully hereinafter explained."

These objects I attain by mechanism the nature, construction and organization of which is fully set forth in the following detailed description, and illustrated in the drawings; the particular subject matter claimed being definitely specified.

Tn the drawings (4: sheets) Figure 1 represents a front view of a mechanism organized in accordance with my invention, a portion of the upper part being shown in section.

Fig. 2 represents a side elevation view, with some parts shown in section. Fig. 3 is a plan view. Fig. a is a vertical cross sectionthrough the assembling-bed and-edge-conr' pressing means with the jaws in closed position. Fig. 5 represents an end view of the assembling-bed showing means for operating the edge-compressing means, the parts being illustrated as withthe jaws in open position. Fig. 6 is a cross section of oneof the movable jaws with its interchangeable facing members. Fig. 7 is a longitudinal fragmentary section view showing means for the axial support of the removable web-carrying or feed-delivering rolls. Fig. 8 is a separate top view offa stationary end-gage member,

and Fig. 9 is a separate top view of the movable end-gage. V Referring to the draw ngs, the letter A indicates the main frame of suitable form for supporting the several parts of the mech- Specification of LettersPatent GHAFREE,

MEcHA1vIsM r03 MAKING CLOIfI-I -IBOARDS. I 1

Patented May 4,1915.

Application filed May 15, 1914. Serial No. 888,811. 5

thereof an assemblingtable or bedaand a compressing: means comprising oppositely movable members or jaws 2:.and 3, prefer-V ably having end ournals mounted to rock in fixed. bearings l at the respective ends of the bed members B and B The jaw-jour-. nals are furnished with crank arms 5, that are connected by links 6 with vertically sliding bars 7 mounted insuitableguides 8, and

of a strong metal body-bar I) having joure nals at its ends, the axis line a of the ournals being approximately in the same plane with the surface of the bed. The body-bar b is best formed with a fiat sea-t which is prefa removable facing memberf, (see Fig. 6) that can be of wood or other suitable material, is seated thereon and attached to the body-bar by screws, or in a manner to be removedand interchanged for facing members of different thickness, accordingly as thinner or thicker dimensioned cloth-boards are to be manufactured. The bed-members B and B upon which the respective jaws; are supported, are adjustable toward and from each other, or in relation to a common center, and means, as right and left threaded rods Or bolts 14,.is arranged therethrough and adapted to be turned by a wrench to effect adjustment; and means F provided to hold the members rigid. A removable board or filling piece B is arranged between the bed members for completing the bed'surface in full] 1 1.5;indicates a movable end-gage-bar supported by suitable guides at the end of the assembling-bed, and provided with actuat- .erably in line with the aXis ofthe aw and ing means for shifting it to and from gaging position. Said means may consist of a swinging eccentrically pivoted member 16 connected with the gage-bar by a suitable link and adapted to be moved by a cam or detent' 17 fixed toone of the jaw-actuating members, for moving said gagewhen the treadle is operated. A hand lever 18, fulcrumed upon one of the jaw-supporting journals, is also in thepresent instance pro vided for moving the end-gage independent of the automatic actuator when'rdesired.

19 indicates stationary gageblocks that for gaging the length of thecloth-boards;

. and for accommodating various lengths of 29+ for. starting the cutting-off mechanism.

boards as desired. The end- gages 15 and 19 are provided at their rear ends with lateral projections or detents O that serve as guides for locating the first member assembled of the cloth-board frame;

7 The cutting-off shear C is located at such distance from the rear jaw 2 as will give the required size of severed sheet for. covering a cloth-board. Said shear preferably consists of a fixed horizontally disposed ledger-blade 20, and an oscillating cutter or blade 21 supported upon journals at its ends and adapted to swing down against said ledger-blade. A crank arm 22 is arranged on one of the cutter journals and connected in suitable manner by a rod 23 with a lever 24 having a studor roller thereon that runs upon or engages with a cam .25 upon a rotatable shaft 26, whereby the cutter is elevated; its downward stroke being effected by gravity, or by a'spring if preferred. The cam-shaft 26 is provided with an automatic stop clutch 27 that connects the pulley 28 therewith, and a clutch-controlling means 29 is provided at the front of the machine and connected with the clutch tripping device The clutch and parts combined therewith are arranged so that the cam 25 makes one complete revolution and stops with the blade 21 at elevated position, the point of the cam being at 'the' position approximately as shown on Fig. 2. The clutch-pulley 28 is operated by belt 30 from a pulleyfixed on the power-shaft 31, which latter is provided with a tight and loose pulley for a drive belt, or may be operated by any suitable means.

F or aiding the delivery of the glue-coated and dampened paper I provide an automatic acting feed mechanism which consists of the rolls 12 and 13 mounted in housings 33 which are oscillatively supported upon the frame or brackets fixed thereon; the fulcrum axis or pivot 34 being positioned eccentric to or some distance rearward from the axisof the lower roll 12. The two rolls are preferably arranged out of contact with each other, and are connected to turn in unison by means of gears 35 or equivalentconnecting;

means. One journal of the lower roll 12 is furnished with a wheel 36 that for its operation engages, preferably by frictional contact, with wheel 37 mounted on a stud or arbor supported on the frame, and having a pulley 38 connected therewith. which is driven by a belt 39 from the power shaft 31, or other suitable actuating means, for giving a constant rotation to said drive wheel 37. The housings are best connected across by rods or bars 33+, thus forming a complete rocking carrier for the rolls. The preponderance of weight forward of the fulcrum pivots tends to rock the housings and rolls forward and bring the friction wheel 36 into contact with the drive friction 37. A spring or springsLO connected with the housing frame and having sufficient tension to slightly overcome the preponderance of weight,,serves to normally pull the top of the housings rearward thereby lifting the friction-wheel 36 out of contact with the drive-friction 37. Suitable means 411 is provided for limiting the backward swing, and also when desired a means 12 for regulating' the amount of clearance between the friction faces when separated.

The several rolls about which the web passes, are best arranged to be readily removable and replaceable, in the present instance by means of axis-supporting handscrews 13 threaded through their supporting housing and having a cylindrical end that enters a bearing'opening in the head of the roll, as indicated in Fig. 7 release of the roll being effected by turning back the screw 43 to withdraw its cylindrical end from the head of the roll, thus permitting the roll to be taken from the carrier.

As an independent invention this feeddelivery means has been made the subject of claims in a separate application for Letters Patent, Serial Number 838,812, filed on even date herewith.

Below the level and back of the feed-delivery devices there is arranged means for coating one surface of the web or strip of paper or fabric 4, with glue or semi-liquid adhesive substance. Said means preferably consists of' a glue-containing reservoir or tank 45, provided with adelivering roll 16 rotatabletherein; the reservoir being suitably jacketed and fitted to be properly heated by steam'pipes 17, electrical means, or other suitable manner.

Guiding rollers 18 and 19 are provided at front and rear of the glue-roll; also an adjustable bar 50'for giving tension on the web, andan adjustable wiper-device 50 for regulating the amount of glue or adhesive substance left upon the paper. The bars '50'and 50* are adjusted by rods 1' and r eXtending to the front of the machine,

Band B for turning the samefor effecting of adhesive substance suitable forequivalent use in the manner specified a 44 indicates the supply-roll of paper which is supported upon a shaft 51 mounted, by roller bearings, upon brackets or supports at the front'of the frame. One of. said bearings isprovided with means52 for its adjustment for correcting any deviations in the running or alinement of the roll, or the web 4 as it is drawn therefrom.

Above the glue-reservoir I provide a tower-like structure or tall narrow box53 inclosing a chamber 54 containing in its upper part a carrier roll, or rolls, 55, mounted in bearings 56, and at the bottom of said chamber, somewhat above the level of the glue reservoir 45, a water-pan or tank .57

having means, as steam-pipes 58 arranged therein, for heating and evaporating the contained water. The top of the pan isopen to permit the vapor to rise freely therefrom into the chamber, creating a humidifying atmosphere therein. A guide-roll 59 is arranged at the front of the chamber 54, preferably approximately in line with thefront of the vaporizing pan.

The web of paper 4 guide-roll 49 up to the top or carrier-roll 55, passing near the rear edge of the pan 57; and from the carrier roll downward toward the front edge of the pan and out of the chamberbeneath the roll 59, thus giving 7 ample spread or area of surface and affording a tent-like arrangement of the web over the vaporizing element, with the glued surface of the paper outward and the ungluedsurface inward and exposed to the rising vapor. The bearings 56 of the carrierroll 55 may be shifted up or down on their supports and said roll thereby adjusted to different height within the chamber, for increasing or diminishing the amount of superficial area upon the web of paper exposed to the-humidifying atmosphere at any given time. The extent of area and time of exposure may thus be regulated to approximately correspond with the speed at which the cloth-boards can "be turned out by the attendant; or so as to give the desired amount of dampness or temper to the paper in the time while it is passing from the gluing means up to the roll 55 and down to the roll 59. In practice this may assume a height of from four to six feet, more or less, according to the skill and eXpertness of the operator. 7

The sides of the upright casing, above the vaporizing pan about the carrier roll 55, are preferably made removable, or hinged to open and close as doors, and thus adapted for inclosing the vapor with the paper while extends from the the assembling-bed or table.

inoperation, orfor opening to afford ample access for threading the endof a web through the machine.

At one end of the assembling bed I arrange a glue reservoir 61 furnished with a water-jacket tank heated by steam pipes62,

or other means, and having a glue-delivering roll 63 provided with a pulley upon its axle; said pulley and glue-roll being rotated by a belt .66 from a pulley on the shaft 67 which in i turn is operated by. a belt 66* from a pulley onthe power shaft 81. A suitable adjustable scraper 69 is provided for gaging the thickness of the film of; glue upon face ofthe roll 63, as desired.

' 70 indicates a hopper or receptacle arranged upon the machine at theback of and above the assembling bed, for containing a supply of'primarily prepared frame members forthe cloth-boards, ready for assem bling, andat a position convenient to the hand of the operator.

' The several parts of themechanism, including the assembling-bed, feed-delivery means, cutting-off shear, vaporizingpan and glue distributing means, may be constructed of a dimension to accommodate and carry a web of paper or fabricof any predetermined width, as may be desired. Ordinarily the width of paper employed is about three feet, more or less; but greater widths of the paper may in some instances be required,

upward adjacent to the rear edge of the V vaporizing pan 57 and over the carrier-roll 55, then downward adjacent to the front edge of the vaporizing pan and under the guide'roll 59, thence forward to the feeddelivery mechanism where it passes forward under and backward .over the drive roll 12 and the'n'forward over the top of the upper roll 13 and out through the shear-way onto The unglued face ofthe paper is presented to the vapor as it rises from the pan 57 within the inclosed'chamber 54, the glued surface being outward or away from the direct impingement of the rising vapor, so that while the dampening-of the paper fabric is going on the glue-coating itself will receive only a small percentage of the moisture. The gluecoated face of the paper runs against the rolls 59 and 12 and the sheet is presented glued side upward across the roller 13, the

end of the web lying just back of the shear line.

- Assuming that the web 4 is threaded through the machine as indicated, and gluecoated and moistened as described, the operation is as followsfThe assembling-bed be ing clear and the jaws 2 and 3 at open position, as in Figs. 1 and 5; then the attendant reaches across the bed to the shear and takes hold of the end of the dampened web pulling it forward between the open shear blades; the slight pull upon the web .4 acting upon the roll 13 causes the feed-delivery rolls and their housing frame to rock forward on the fulcrum pivots 84, bringing the friction wheel 36 into operative contact with the power-driven'friction wheel 87, whereby the delivery rolls 12 and 13are immediately put into action for automaticallydrawing forward the damp and glue-coated web anddelivering it so long as the attendant continues to'keep the delivered portion taut to a degree that will overcome the normal tendency of the roll-carrier means to swing backward on its fulcrum pivots. This delivery means enables the attendant to easily and smoothly spread the glue-coated paper over the assembling-bed and jaws without liability of tearing the damp, moisture-weakened fabric. When the desired amount of paper has come 7 over, the attendant permits the paper to slack and the preponderant weight, or spring, causes the roll-carrier frame to swing backward, thereby moving the friction wheel from contact with the drive friction and the automatic delivery of the paper instantly ceases. The hand of the attendant, then brought into contact with the clutch-controlling member 29, starts the shaft and cam which effects an operation of the shear blade for cutting off the delivered sheet, leaving it spread out upon the assembling bed and jaws, while the severed end of the web rests adjacent to the shear ready for a succeeding delivery.

The paper sheet being now in position the attendant proceeds to assemble thereon the frame members of the cloth-board by placing the first longitudinal member with its ends against the projection O of the- end gages 19 and 15. He then takes the crossbar members of the frame (a supply of which may be stored in the hopper to be conveniently taken from the front opening 71 thereof) and touches the end surfaces of said members upon the rotating glue-delivering roll 63 at the end of the assembling,

bed, and then assembles said cross-bars upon the paper adjacent to the end gages 15 and 19, and at intermediate positions if required; also adding the second longitudinal frame member in its proper position. The jaws then closed in and the assembled parts clamped and firmly compressed together,

with the treadle, while the covering paper is smoothed down upon the top'of the frame members. The cloth-board being in com- .pactly. formed condition and ready for drying,the foot-treadle is released and the jaws are opened by the action of the springs 10 lifting the'connections ;7, and the formed cloth-board can be removed from the assembling-bed and the operation repeated.

The endgage members 15 and 19 may, in some instances, have plain work-abutting faces at right angles with the jaw bars 2 and 3; but preferably said members are provided with notches or recesses a cut in the abutting surface and located at positions where the jointings of the. cloth-board frames come adjacent thereto when assembled and compressed. These recesses n serve for preventing any glue that exudes fromthe compressed glued joints, from .accumulating upon the gage members. The gage member 15'can be made as a single bar, or maybe. provided with an endwise adjustable extension piece 15 (see Fig. 9) to slide out or in, and held at any adjusted position bya set-screw t or other fastening means;.thus adapting the end-gage to accommodate different widths of cloth-boards.

What I claim and desire to secure by Letters Patent is 1. In a mechanism of the character described, an assembling-bed having a flat top surface, oppositely oscillatable j aw-bars along the front and rear edges of said bed and journaled in bearings at the end thereof, the axes of said jaw-bars being in a plane approximately coincident with the plane of the bed surface, and means for operating the jaw-bars.

2. In a device for assembling cloth-boards, the combination, of a supporting bed, oppositely disposed longitudinal front and rear edge-fitting members thereon movable toward and from each other, end-gage members provided with inwardly projecting prongs at their rearends, one of said endgage members being movable laterally, means for moving said longitudinal membersfor compressing the assembled parts of the cloth-board together, and means for moving said end-gage member.

I 3. In mechanism for making cloth-boards or the like, an assembling-bed having'a fiat top surface, oscillatable jaws along the front and rear edges of said bed surface, beari'ngs at the ends of said bed in which the jaws are journaled, their axes approximately in line with the plane of the bed, arms fixed upon the jaw-supporting journals, vertically movable rods or bars slidable in upright guides at the ends of the, bed, links connecting said rods and arms, a treadle connected for the actuation of said rods, and springs for moving said parts to elevated position for opening said jaws.

4. In mechanism of the class described, the combination, of means for continuously glue-coating one side of a forwardly, moving web of paper vor fabric, means for continuously vapor-dampening the opposite side of said web, means for regulating the amount of exposure to the vapor-dampening eflect, a forming table or bed for the assembling of the work thereon, form-indicating guide members arranged upon said bed and movable for pressing together the as sembled parts, means for automatic feed-delivery of the glue-coated dampened web, a power actuated cut-off shear disposed between the feed-delivery devices and forming bed, means for operating said guide members, means for actuating the cutting shear to sever the delivered part of the web, a hand manipulated starter in a convenient relation to said forming bed, and connections there from for putting said shear into action.

5. In mechanism for making cloth-boards, an assembling-bed having a work-supporting surface upon which to assemble the parts of the cloth-board, inwardly and outwardly movable oscillatable longitudinal edge compressing jaw-bars, disposed axially in line with the edge angles of the assembling-bed, and provided with rigidly projecting arms and actuating connections therefor, means for forcing said jaw-bars inward against the assembled cloth-board, and means for retracting said jaw-bars when the pressing force is released.

6. In a mechanism for forming clothboards, in combination with an assembling bed, an edge-compressing jaw comprising a body member provided with means for the pivotal support thereof, and having a seat the plane of which is approximately coincident with the pivotal axial line; and a removable face member supported upon and secured to said seat and having a concave face adjacent to and above the axis of the jaw, and means for actuating said jaw, for the purpose set forth.

7 In mechanism for making cloth-boards, a divided assembling-bed comprising oppositely disposed front and rear bed-members, each provided with an inwardly closable jaw along its outer edge, a supporting means whereon said bed-members are respectively adjustable forward and rearward to or from each other equally from a common center, means for effecting adjustment, jaw-actuating members at the respective ends of the bed, centrally disposed in relation to the front and rear jaws, connections therefronr for simultaneously operating saidjaws, and means for working said jaw-actuating members.

8. In mechanism for making cloth-boards, an assembling-bed comprising front and rear bed-members each provided with an inwardly closable jaw along its outer edge,

a supporting means whereon said bed-members are horizontallyadjustabletoward or fromeach other, right and left threaded rods arranged through, said bed-members for effecting adjustment thereof, means for rigidly securing the bed-members at adjusted positions,and means for operating said jaws.

9. Ina mechanism of the character described, an assembling-bed comprising front and rear bed-members having a flat top surface, oppositely movable jaws along the front and rear edges thereof, said jaws mounted in bearings at the ends of said bedmembers, their axes approximately in line with the edges of the bed, said jaws closable to the predetermined width of a clothboard, arms fixedto said jaws, means connected therewith for operating said jaws, an end gage secured upon one end of said bed, a movable end-gage arranged at the opposite end of the bed, a guiding means therefor, and means for moving said end gage inward and outward along the bed.

10. In mechanism of the character described, the combination with an assembling bed provided with opposite oscillatable jaws at its front and rear edges, said jaws journaled in bearings at the respective ends of the bed, arms fixed upon the jaw-supporting journals, means connected with said arms for operating the jaws, an end-gage movable upon said bed, guides therefor, gage actuating connections, means carried upon the jaw-actuating arm for shifting said endgage by the closing of the jaws, and a handlever for moving said end-gage independent of said actuating means.

11. In a mechanism for the purpose described, the combinaton of an assemblingbed provided with oppositely acting oscillatable jaws at front and rear edges thereof; said jaws j ournaled in bearings upon the respective ends of the bed, arms fixed upon the jaw-supporting journals, and means connected with saidarms for operating the jaws, means for delivering a web of paper across said assemblingbed, a cutting-off shear in rear of said bed adapted for severing the web at a predetermined position with the severed portion disposed upon said bed, means for operating said shear, and a shear-starting member adjacent to said assembling-bed.

12. An apparatus of the character described, including the assembling-bed, its compressing-jaws, means for advancing a web of glue-coated moistened paper and delivering the end portion of said web upon said assembling-bed; and having a supplemental glue-supply and roll at one end of said bed, and a hopper or receptacle for frame parts disposedin rear of and above said assembling-bed, and having a front opening therein, substantially as set forth.

13. In a mechanism for making cloth with the positions of the joints of the clotl1= boards, the combination, with an assemboard frame. 10 bling-bed, longitudinally disposed edge- V-VVitness my hand this fourth day of'May compressing members along the edges of 1-914.

said bed, and means for operating said edge- ALFRED M. CHAFFEE. compressing members; of a transversely dis- Witnesses:

posed end-gage having its gaging or con- CHAS H. YBURLEIGH,

tact face recessed at positions coinciding CHAs. S. PUTNAM.

Copies of'this patent maybe obtained for five cents each, by addressing the Commissioner of Patents, 7 Washington, D. O.

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