‘ Jan. 14, 1947. w. H. BRADLEY ‘ 2,414,188 DRIVE MECHANISM Original Filed March 25, 1943 fnqenfor Patented Jan. 14, 1947 2,414,188 UNITED STATES PATENT‘. OFFICE’ 2,414,188 DRIVE MECHANISM William H. Bradley, Fort Wayne, Ind., assignor to ‘ _ Horton Manufacturing Company, Fort Wayne, Incl, a corporation of Indiana Application March 25, 1943, Serial No. 480,433, which is a division of application Serial No. 341,226,.‘ June 19, 1940. Divided and this ap plication June 23, 1944, Serial No. 541,717 2 Claims. ( CI. 38—60) The invention relates generally to drive mech anisms and more particularly to a drive mecha nism for operating a roll in an ironing machine. This application is a division of my copending application, Serial No. 480,433, ?led March 25. 1943, which latter application was a division of my application, Serial No. 341,220, ?led June 19, 1940, now matured into Patent No. 2,338,163, is sued January 4, 1944. 2 be rotated, if the roll were to be manually rotated, and because of the large amount of reduction in speed between the motor and the rolLthe force . required to manually the roll‘wo‘uld prac tically prohibit use of rotate the machine in this‘ man ‘ ner. On the other hand it is_undesirable to per: - mit the roll to be manually rotated too freely. ' In the drawing, an ironer is shown for. purposes of illustration, which comprises a base Ii! having 10 a head H at one end thereof. The head I] sup ports a gear casing 12, and extending from the chine of the type having a pair of cooperating gear casing is a roll supporting shaft‘ It‘. ‘ The ironing elements, one of which is a roll, which roll, indicated at I4, is one of a pair of cooperate . drive mechanism connects the drive motor of the machine with the roll in such a manner that 15 ing ironing elements, the other of which in the‘ present instance is shown as a shoe I5 supported the roll may be easily turned forwardly by hand for shifting movement toward ‘and from the roll to facilitate placing an article between the two 14 by means of a pivoted arm 16. Such shifting ironing elements. movement of the shoe I5 is effected, in the pres Another object is to provide a novel drive mech ent instance, by means of a hand lever 11. anism in which the connection between the driv ing and driven members includes a simpli?ed 20 In the machine illustrated in the drawing, the‘ gear casing I2 is positioned within the roll 14‘ pawl and ratchet, permitting the driven member and is supported by the head II. The gear cas—‘ to be manually turned forwardly and accomplish ing 12 carries a motor 26 located preferably- with-1 ing the desired drive with a minimum number of parts. > ' in the head ll. ,Withinthe gear casing I2 is Other objects and advantages will become ap 25 gearing connecting the motor 20 with the ‘roll shaft 13, and in the operation of the machinethe parent in the following description taken in com The general object of the invention is to pro vide a novel drive mechanism for an ironing ma nection with ' the accompanying drawing, in which: ' ' motor is adapted to operate only during the time‘ when the shoe 1 5 is in operative relation with the‘ roll M, a switch (not shown) being provided in Figure 1 is an end elevational view of. an iron~ ing machine provided with~a drive mechanism 30. motor circuit for stopping ‘the‘motor as an. incl; dent to movement of the shoe l5 away from-the embodying the features of the invention. roll. The shaft of the’ ‘motor 28 extendsv into Fig. 2 is a longitudinal vertical sectional view of the machine shown in Fig. 1. Fig. 3 is a vertical sectional view taken on the the gear casing I2 and on its inner end is provid ed with a pinion 19 adapted to drive gearing con nected to the roll shaft I3, the latter extending into the casing for such connection. In the operation of an ironing machine, it is drive mechanism. desirable to be able to freely rotate the roll in a A drive mechanism of the character herein dis forward direction by hand either when the roll is closed is such as to provide a gear reduction from a relatively high speed electric motor to a driven 40 stopped or when it is being driven by the motor. Thus when an article to be ironed is placed upon shaft operating at a substantially lower speed, line 3_3 of Fig. 2. Fig. 4 is a perspective View of a portion of the and its chief characteristic is to provide a one-way the roll, it is sometimes more convenient to place the advance edge of the article along the top of the roll where it may be smoothed out by hand be fore coming in contact with the shoe. It is then forward direction when the motor is stopped. A frequently desirable to turn the roll by hand for drive mechanism of this character ?nds particu wardly to bring the edge of such article into the lar use in an ironing machine of the household space between the roll and the shoe before the type. Such a machine usually comprises a pair shoe is shifted into operative relation, to avoid of ironing elements, one of which is a roll. In the use of such machine the operator frequently 50 the chance of the article being wrinkled when ?rst engaged by the shoe. If the article is places an article to be ironed upon the roll and clamped against the roll by the shoe after it has rotates the roll manually to move the article into been moved into the ironing area, it will usually ironing position. Without a one-way driving continue to be drawn into such area without connection in the mechanism, the entire drive mechanism, as well as the motor, would have to 55 chance of wrinkling. While relatively free rota tion of the roll is desired as described above, still driving connection in the gearing which permits the driven member to be manually rotated in a 2,414,188 3 4 tor. However, the gear ratio between the gear 2! and the pinion 22 as well as the drag of the pawl 25 on the pinion produce su?icient friction to pre vent the. rollfrom being-rotated. at the slightest the roll should not be so free as to rotate at the ‘ slightest touch. In the present instance such mode of operation of the machine .is permitted since the driving touch. Thusythe roll may be manually rotated mechanism is?‘ (if the'o‘ne-way typeiso thatatheroll when desired and to the extent desired but will stop when the hand is removed from the roll. ‘This obviously assists in placing an article to be to provide as compact a gearing or drive mecha ironed in between the roll and the shoe. nism as possible. Moreover, the simpler “the The pinion 22 may be manufactured in a length , gearing can be and still accomplish the desired 10 suf?cientto provide. both meshing with the gear ?exibility of operation, the less ‘expensive it is to 21 and engagement with the pawl 25 at a very manufacture the mechanism. ‘In'the presentin slight'increase in cost over the cost of a pinion stance the one-way drive is in the form of a pawl .long enough merely to mesh with the gear 2!. and ratchet device of extremely/simple character The cost of a separate ratchet is thereby elimi and having a minimum number ‘of-‘parts. nated and the number of parts in the drive mech may be ‘freely turned forwardly. Since the gear casing I2 is mounted within the roll, it is desirable Speci?cally, the gearing'or drive "mechanism anism 'is consequently reduced. Thus, I . have provided a novel drive mechanism including a for driving the roll includes a - driven 'gear ‘21 mounted on the end of the roll shaft l3:;and"1o- simpli?ed pawl and ratchet connection permit cated within the gear casing l2. Meshing with ting rotation of the drivenvpart manually‘when theigear 2;! is apinion‘2‘2 carried on a stub shaft 20 the‘motor is stopped. ' . . zajournaieu' in the wall'of theig‘earcasing. .Als'o ‘ I claim: mou'ntedion'the'stub‘shaft His .9, drive gear 24 I shaft,_ a driven gear mount'edon said roll roll shaft, a stub shaft provided with an elongated pinion, .a portion ‘of which meshes with said driven .gear,..a drivev gear loosely mounted on said stub shaft adjacent said pinion, and a one-way reoucmgxgears' with'the motor ‘pinion I19. ‘Thai-gear 24- is adapted‘, to b'e'secu'red ‘in ‘driving relation with thegpinion ‘22 by means or 'aipawl an'd ‘ratchet conneotioni'providing the one-way drive. ‘To simplify the c'ohstruotioh,'the pinion 221s substantially longerthan' is necessary merely - 1.. In an ironing machinathe combination of a ‘positioned ina'plane spaced from the, plane'oi the ‘gear-‘32! and connected throu'g'hiother speed driving device-carried-bysaid drive gear andar 30 tor-meshv withlthe ..gear 2 l in order .to ‘provide a portion extending into the ‘space between ‘the ' gears T2l land. "24 and adjacent the gear it. Mounted on; the adj‘ jcent "face of‘thefgear 24 by meansof apivot pin" 26' is a, paw1‘25 which is urged toward" the extending portion _"of vthe ‘jpinion‘ 22 by-means of a torsion-fspring‘l? anchore’d'at its ends toYthegear-Mand thepawl 25. The pawl 25 ranged .for one-way driving engagement with another portion of said pinion the gear ratio vbe tween said pinion and said. driven gear being such, that manual rotation'oij'the roll will cause'rela tively fast rotation of the pinion, and the friction. of the latter will tend to quickiy‘stop the‘r‘otation when the hand is removed from the roll. 2. In an ironing machine, roll driving mecha nism comprising a roll shaft, a‘roll gear ‘rigidly ‘mounted on'sai'd shaft, a pinion meshing‘with thus engages‘ between the 1 teeth‘ of the pinion‘ 22 said irollgear‘and projecting beyond one face to utilize lthe’l-atte'r' as .a 'ratch'etqan'd thereby 40 thereof, a drive gear coaxial with said pinion, and effect a driving relation. _ a spring-pressed pawl carried by said ‘drive gear “In operation, when the drive'gear-M rotates and engaging the projecting portion of said pin in the direction indicated by. the arrow‘ in‘Fig. "l, ion to provide a one-way driving connection with the pawl"25 engages’thepiriion and provides ‘a drivingrelation therewith to "effect rotation of the'roll shaft‘ l3‘ through the gear 2|. When‘the said pinion but permitting rotation of the pinion 45 by. manual rotation of the roll shaft, the friction roll isgrota‘itedi'forwardly by hand,v the pinion" 22 is - rotatedin~ suchldirectioniasl to force‘ thelpawl. 25 outtoi-the -way~ against the pressure of ,the ‘spring 21,-ithus permitting “the , roll to be ireely ’ turned 50 without. rotating theuentire-gearing. and the mo resulting from the rotation of said pinion‘ and the drag “of said pawl on'said pinion tending tostop rotation of the roll when the hand is removed therefrom. ' WILLIAM ‘H. BRADLEY. '