US1489227A - Assigbtoss - Google Patents

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US1489227A
US1489227A US1489227DA US1489227A US 1489227 A US1489227 A US 1489227A US 1489227D A US1489227D A US 1489227DA US 1489227 A US1489227 A US 1489227A
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power
pressure
pressing
producing
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F71/00—Apparatus for hot-pressing clothes, linen or other textile articles, i.e. wherein there is substantially no relative movement between pressing element and article while pressure is being applied to the article; Similar machines for cold-pressing clothes, linen or other textile articles
    • D06F71/04—Apparatus for hot-pressing clothes, linen or other textile articles, i.e. wherein there is substantially no relative movement between pressing element and article while pressure is being applied to the article; Similar machines for cold-pressing clothes, linen or other textile articles power-actuated
    • D06F71/043—Apparatus for hot-pressing clothes, linen or other textile articles, i.e. wherein there is substantially no relative movement between pressing element and article while pressure is being applied to the article; Similar machines for cold-pressing clothes, linen or other textile articles power-actuated with an upper movable pressing member and a lower fixed pressing member
    • D06F71/046—Apparatus for hot-pressing clothes, linen or other textile articles, i.e. wherein there is substantially no relative movement between pressing element and article while pressure is being applied to the article; Similar machines for cold-pressing clothes, linen or other textile articles power-actuated with an upper movable pressing member and a lower fixed pressing member the upper movable member rotating about a fixed axis

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  • This invention relates to pressing machines such as are used for pressing gal; ments or other articles 03" wearing apparel. or “for pressing fabrics 01" any kind.
  • the invention has more particular relation to what are known as power presses andis an improvement upon the machine showindescribedand claimed the patent of William E. Andree for garment press No. l. 368,68 l, of February 15, 1921.
  • the present. invention is to provide an improved. pressing machine of this kind having power mechanism capable of manual control, thereby enabling it to be thrown into operation at the will of the operator.
  • the control mechanism however being equipped with suitable safety devices to prevent actuation'of the power mechanism the manual control unless the pressi' members are in such close neighboring relation that it is impossihlefor the of the operator tolie thereliietween and hence be subject to injury.
  • a further object of the invention is to provide control devices of the character described which enable the two pressing mein-- hers to be relatively moved toward and from each other manually or by actuation. of the ioottreadle as often as may be desired, without tripping oil or starting the power mechanism.
  • Fig. 8 is a'detail elevation. partly broken out and in section, illustrating a plunger switch
  • 9 is a similar view of the rentingtiming switch
  • Fig. 10 an end elevation thereof
  • Fig. 1] is a diagrammatic View illustrating the electrical connections from the motor to the various control switches, the positions of the parts corresponding to the open position of the machine illustrated in Fi 1
  • Fig. 12 is a similar view of the parts while the power mechanism is producing heavy final pressure between the pressing members
  • Fig. 13 is a similar view of the parts when the machine has come to rest atter the application of heavy pressure
  • Fig. 14 is a similar view illustrating the positions of the parts when the motor has again been started to release'the press
  • Fig. 15 illustrates the final portion of the opening movement just prior to the position shown in 11.
  • a machine suitable for the purp oit this application, llOWQVI-f comprises a suitable frame 1 carrying a stationary lower pressing member or buck 2 and provided with an upwardly extending support 3 for pivoted arm or lever 4 carrying a cooperating upper pressing member or head 5 adaptedby swinging movement of saic arm to be brought into co-cperating pressing relation with the buck 2.
  • the buck may of hollow form having an inner chamber 7 to which steam is supplied for heating the buck in the usual manner, and, as shown in said Andree patent, may be provided With a steam chamber 8 arranged to discharge steam for moistening purooses through the perforations 9 in the face oil the buck, said steam coming from the heating chamber by Way of a valve 10 controlled by the valve rod 11 actuated by the steam] treadle l2.
  • Said steaming chamber may also ci'u'ninunicate by Way of a valve with a pipe or conduit 14 leading to a suitable source oz"?
  • suction or vacuum such as the met 4 fan or centrifugal pump 1t 16 repi seats the rod by which the valve 13 is actuated to connect the chamber 8 to the source of suction, When desired or necessary.
  • the no tuating means for said vacuum valve rod will be later described.
  • the head 5 is also heatech having an inner chamber through which steam is circulated by the usual pipes 17.
  • Said head may also be provided with suitable means for supplying steam to the garment or fabric on the lower buck.
  • Said means may be of substantially the same form shown descril and claimed in a prior patent oi William l5. Andree for garment presses granted July 29, 1919', No. 1311 151, and as shown co prises a long conduit or channel. 18 e2-;teuding along the front edge of the head and from slots or openings in which steam is discharged in the form of'a cloud traveling across or along the face of the head.
  • Steam is supplied to said conduit from the chaos her in the head by Way of a pipe or conduit 19 in Which is a valve 20 norn'ially held closed bya suitable spring and capable oi being opened at will be depressing the handle 21.
  • the head 22 indicatesa handle carried by the arm 4 for manually moving the arm and head toward or'from the buclr, the countenweight 23 serving to partially balance the load.
  • the head may also be actuated by pressure applied to the foot treadle 24:, which is con-- nected by a link 25 to one arm of an oscildri i lating lever 26 the other arm of 1 connected by a linl; 2'? t the pivotal sin 22 lJO'S'JWQG 'tWO toggle members 29, 30, one of which, such as n'icinber i oral adjustable as to r. i of a pair of springs the press open.
  • the degree of pressure produced the press may be varied by adjusting the l 'tl cally by actuation of the power motor.
  • the press is to be power actuated, it is not necessary for the operator to depress the treadle to its full extent so as to cause the toggles to move center and become lOClk'fld, but the locking of the treadle may be accomplished solely by the treadle lock 45?.
  • an additional downward movement of the main treadle usi'.' ly requiring pro nounced toot pressure for the purpose. moves said main treadle to its full :atent and causes the toggles to move ightly pa. t straightened position to perform the loclc ing function.
  • the actuating mechanism for the vacuum valve is so arranged as to enable the vacuum to be rendered eii'ective either automatically by the operating movement of the press when the press is power actuated or by operation of the release treadle when the press is operated manually without the motor: lt
  • the machine is provided with suitable bearings to carry a transversely extendin shaft 61 with which turns an arm 62 having a yoke portion embracing the stem 16 and an arm 63 connected by a link 6%- to an arm 65 connected to turn with and to be actuated by the release treadle s5.
  • an arm 66 having a yoke beneath a collar 67 on the valve stem and mounted to turn on the shaft 61 with a cam arm 68 the memhers 66 and 68 operating as one piece.
  • Cain arm 68 co-operates with a pin 69 on the lever 26.
  • the release treadle When the press is power actuated the release treadle is not utilized and is held in the position shown 1 by the spring 70.
  • the swinging members 66, 68 are however actuated by the pin 69 which when the press opens engages the arm 68 and through member 66 lifts the valve 13 and applies the vacuum.
  • the vacuum remains effective in the chamber 8 until the press is closed to move the pin 69 away from lever 68.
  • the vacuum is rendered effective by depressing the release treadle, which causes the arm 65?, to lift the arm 66 and thereby open the vacuum valve.
  • the current lead wires 60 pass tl'irough a suitable switch 71, one of said lead wires running to tie power motor 13 and thence to the center contact of a tumbler switch 72 shown in Figs. 6 and 7.
  • a tumbler switch 72 shown in Figs. 6 and 7.
  • one of the leads "from the tumbler switch to the timing switch, such as lead 7%, is a phmger switch 77. lhe several switches 72, an 77 will first be described.
  • Tumbler switch comprises an insulating block 78 on which are mounted two end contacts 79 and 80. connected respectively to the'binding posts 73, We.
  • the center contact to which the lead from the motor is connected, is a post 81 on which turns an upwardly extending arm 82 carrying the spring pressed contact blade 88, said arm having a rear post connected by a tension spring 84 to a sliding rod 85, all parts being suitably insulated.
  • Rod 85, 1 extends outwardly from the front of the switch casing and is connected by a linlr 36 to on 8'? on the shaft or tne opera ng l which at its opposite or. carri This arrangement produces a "g and break.
  • the plunger switch 77 is illustrated in Fig. 8 and comprises an insulating bloclr 89 carrying two contacts 90, one connected to the lead 74 and the other to one of the seg ments of the switch 75. Between he two contacts 90 is located a sliding fibre rod 91 carrying a conducting rin contact 92. This rod projects downwardly tom the bottom of the switch casing and within the said casing carries a collar 93 above which is a compression spring 9d whose upper end ongages a washer 95 seated against a wall of the casing. As shown in 8 the spring 94 normally holds the switch open.
  • the lower end of the rod 91 has a nut or bolt 96 adjustably connected thereto, and lies in position tobe actuated by an arm 97 mounted to turn with an arm 98, the latter arm having an abutment 99 lying in the path or movement of a too 100 of the swinging lever 27.
  • the press is closed manually, so as to bring the head and buck into close neighboring relation-so close in fact that the fingers could not be between them the toe 100 actuates lever 98 and closes the plunger switch.
  • this switch must be closed before the power motor can be operatively connected to its source of current, as a consequence of which it is impossible to produce the final heavy pressure with the power motor unless the press has first been nearly closed manually. In any other position of the head, actuation of the manually controlled tumbler switch 72 will have no effect uponthe machine.
  • the rotating timing switch may be of any suitable form. As illustrated it comprises a suitable casin 101 provided with radially and outwardly extending car having circum'ferentially extending slot 121 through which a bolt 122 is screwed into the machine frame.
  • the elongated slot 121- permits slight adjustment of the casing 101 around the axis of the shaft 40 at the center or" said casing, the adjustability of said casing being for a purpose which will later appear.
  • Casing 101 carries insu ating blocks 12% upon wl'iich are the u segments 102 and the ends of said segments be b gaps
  • the timing switch rounds car 4L0.
  • Tumbler switc. 72 connects the motor to the lead d the lower segment oi toe tim ng whose rotating contact has just reached connection with the upper s gment. operator first applies a .ie
  • plyiu maintaining and releasing oi fi" pressure may be considered together as constituting a cycle.
  • the vacuum valve is auton'iatically o ened and the moisture in the garment is :hdrawn through the be
  • the purpose of adj ustability of the S on casing 101 about the shaft to which it surrounds and of circumferential adjustment of the segments 123, 124 within the casing is as fOllOWSZ he rotating timing switch determines the time of starting and stopping or, in other 1 ,nig motor during): both ha...
  • segment 102 is the egment along which the. shoe travels whlle press re is being applied. by the motor. segment is made longer than segment 103 .”iGfillilSQ the load on the motor ncreases as he shoe 107 reaches the end of the segment, as a result of whic i the motor cannot coast under load.
  • segment 102 By circumferentially adjusting segment 102, its far end can be made to assume a position in which the maximun'i pressure has been applied to the head, and with such adjustment the press will stopwith the maximum pressure applied.
  • Segment 103 is shorter than segment 102 because the shoe 107 is travelling over segment 103 while power pressure is being relieved and the load is decreasing. As a result, the motor has a tendency to coast at the end of this half-cycle. This segment however can also be adjusted so as to compensate for any coasting tendency and insure the press coming to rest with the head fully open. 7
  • the casing 101 can be circumferentially adjusted relative to the frame, which has the eliect of circumferentially adjusting both segments and changing the time of starting and stopping of both halves of the cycle as already determined by the positions of the segments in the casing, with respect to the position of the head atfull open or full closed position.
  • the insulating block 105 which carries the rotating shoe 107, is capable of rotatable adjustment on the shaft 40 to time it with relation to be head, and said block can be secured to the shaft in any of its adjusted positions by the set screws 1A0.
  • the machine described material ly reduces the labor of the operator and while giving him full manual control. over the press prevents him from putting into efiect its power features except when it is safe to do so.
  • a pressing machine comprising substantially coextensive pressing members relatively movable tmvard and from each other for the pressing operation with relatively wide separation therebetween for access to and visibility of the work, operatoroperated means for producing such movement to close the press, power means for producing final heavy pressure between said members, main controlling means and supplementary controlling means for said power means, said main controlling means being operatable by an operation distinct from the press-closing operation, and said. power means being incapable of operation to produce final pressure efi'ect except by opera tion of said supplementary controlling means.
  • a pressing machine comprising substantially coextensive pressing members relatively movable toward and from each other for the pressing operation with relatively wide separation therebetween for access to and visibility or" the work, operatoroperated means for producing such movement of said members to close the press, power means for producing and relieving final pressure, main controlling means and supplementary controlling means for said power means, said nain controlling means being operatable by an operation distinct from the press-closing operation, and said power means being incapable of operation to produce final pressure effect except by operation of said supplementary controlling means.
  • a pressing machine comprising substantially coextensive pressing members relatively movable toward and from each other for the pressing operation with relatively wide separation therebetween for access to and visibility of the work, operatoroperated means for producing such movement of said members to close the press, power means for causing a cycle of pressure producing, maintaining and relieving effects, main controlling means and supplementary controlling means for said power means.
  • said main controlling means being operatable by an operation distinct from the pressclosing operation, and said power means being incapable of operation to produce final pressure effect except by operation of said supplementary controlling means.
  • a pressing machine comprising substantially co-extensive pressing members relatively movable toward .id from each other for the pressing opera r .n with relatively wide separation therebetween for access to and visibility of the work, operator operated means producing such move ment to close the press, in combination with power mechanism including controlling means for operation after the press is close d said mechanism com rising pow r 162315. torproducing power pressure between sa' members, a controller for said power means adapted for optional use by the operator for power pressure when the press is closed. means for preventing effective use of: said controller when the press is in an open position, and automatic means for maintaining said controller in step with normal op eration of the press and ready for the nest power operation.
  • a pressing machine comprising substantially cc-extensive pressing members relatively movable toward and from each other for the pressing operation with relatively wide separation therebetween for aci,aee,227
  • 5r pressing machine comprisir" stantially coextensive pressing relatively movable toward a" d other for pressing operation tivel wide separation th rebetw cess to and visibility the we operated means for producing s: ment to close the press, in combin' tie-n with power mechanism including cor rolling means for operation after the press is closed, said mechanism comprising power means tor producing power press between said members, a controller for said power means a-apted for optional use by the operator power pressure when the press closed, means for preventing eiiective i controller when the is in 2 tion, and automatic mew s controlled by power means for maintaining said controll in step with normal operation of the and ready for the nest power op rat,
  • a pressing machine comprising substantially co-extensive pressing members relatively movable toward and from each other for the pressing operation wi h relatively wide separation therebetween' for access to and visibility of the work, operator operated means for producing such move ment to close the press, in combination with power mechanism including controlling means for operation after the press is closed, said mechanism comprising power means for producing power pressure between said members, a controller for said power means adapted for optional use by the operator for power pressure when the press is closed, means for rendering said controller eliective to produce pressure only when the press is closed, and automatic means -for maintainin said controller in step with the opei lion or the press and ready for the next power operation.
  • a pressing machine mprising substantially co-erztensive pressing members relatively movable toward and from each other for the pressing operation with relatively wide separation therebetwccn for access to and visibility of the work, operator VII operated means for producing such movement to close the press, said means being in etl'ective to produce power pressure effect, in combination with power mechanism includ ing controlling means for operation after the press is closed, said mechanism comprising means for producing power pressure 1 said members, a controller for said power means adapted for optional use by the operator for power pressure when we press is closed, means for preventing ei'lective use of said controller when toe press is open, and automatic means for maintaining said controllcr in step with. the op ion of the press and ready for the next power operation.
  • a duplex pressing Ina-chine capable of optional use either as a man-press or a power press, co irising sul; tantially co-extensi've pressin; embers relatively movable toward and from each other for the pressing operation with relatively wide separaion therebetween for access to and visibility of the work, operator operated means for producing such movement to close the press and at the option of the operator to produce roan-pressure upon the work, in combination with power means adapted at the op tion of the operator to produce power pressure upon the worlr, controlling means "for said power ineans capable of optional use by the operator, means or maintaining a sequence of operations of the power means in step with all normal operations of the press, and means for maintaining said con trolling means in step with said power means and immediately ready to effect initiation of the next succeeding power operation oi the press.
  • a pressing machine comprising pressing ineinbers relatively movable vertically toward and from each other for the pressing operation with relatively wide separation by such inovenient therebetween for access to and visibility of the work, means whereby the operator can produce such movement to initially close the press upon the work, power means for producing heavy pressure between said members when closed, controlling means for said power means opt onally operative bv the operator and by u 1 wi hin distinct from the press closing t ion, and means adapted to harmonize w es the controlling means upon 7 fills with the movement of the i'nembers.
  • pressing machine comprising pres bers relatively movable vertically nd from each other for the pressoperation with relatively wide separan by srch niovenient therebetween for acto and visibility of the worlr, means the operator can produce such '7 to initially close the press upon the 1-1, power means for producing and maintion by such niovi nent therebetween for access to and visibility of the work, means vaereby the operator can produce such movement to init1ally close the press upon the power for producing, maintanning and relieving heavy pressure betwe n said members when closed, controla n said power nieans optionally operative by the operator and by an operation distinct from the press closing opera tion, and 11' ans adapted to harmonize eil'ecti*-.*eness of the controlling means upon the power nieai s with the movement of the pressing members.
  • a pressi. machine comprising stanti lly co tensive pressing meinlfiers relatively more is toward a: from each other for the press relatively le separat on therebe w acc to and "visibility oi the work operator-operans "for producing such movement members to close the press-i, power means For producing final heavy pressure between said members, and a single operator-ope ted means for controllino' the ap- ()llCZLlTlOll and release of final pressure, aid
  • a pressing machine comprising sub capable'of ope 'ation by the operator independently of press closing movement and also controlled in step with the movement of the pressing members. 7
  • a pressing machine comprising relatively movable pressing members, mechanism for producing relative movement there of including operator-operated means for closing the press, a rotatable member operable in timed relation with the pressure producing and relieving operations of said mechanism, motor means, a commutating switch centered about the axis of said rotatable member and operable thereby to effect arrest of said members at the conclusion of each of the pressure producing and pressure relieving operations, and control means for said motor means for initiating each of said pressure producing and pressure relieving operations.
  • a pressing machine comprising relatively movable pressing members, mechanism for producing relative movement thereof including a rotatable member arranged to turn through a complete rotation to: produce a complete cycle of pressure producing and pressure relieving operations of said mechanism, motor means, a commutating switch centered about the axis of said rotatable member and operated thereby to effect arrest of said members at the conclusion of each of the pressure producing and pressure relieving parts of the cycle, and control means for said motor means for initiating each of said pressure producing and pressure relieving parts of the cycle.
  • a pressing machine comprising relatively movable pressing members, mechanism including motor means for producing and relieving pressure between said members, a switch operated by said motor means for stopping the same at the conclusion of each of said pressure producing and pres sure relieving operations, said switch being adjustable to vary the position of the motor means at the conclusion of the pressure producing operation, and control means for said motor means for initiating each of said pressure producing and pressure relieving opera-- tions.
  • a pressing machine comprising relatively movable pressing members, mechanism including a motor for producing and relieving pressure between said members, a switch operated by said motor for stopping the same at the conclusion of each of said pressure producing and pressure relieving operations, said switch being adjustable to vary the position of the motor means at the conclusion of the pressure relieving operation, and control means for said motor for initiating each of said pressure prod'u and pressure relieving operations.
  • a pressing machine comprising relatively movable pressing members, mechatwo circuitsto said motor, one for the pressure producing and the other for the pressure relieving operations of said motor. and two switches, each of said switches being common to both of said circuits and adapted to close either circuit and simultaneously open the other, one of said switches being manually controllable to initiate each of the pressure producing and pressure relieving operations and the other switch being controlled by said motor to arrest its movement and thereby terminate each of said pressure producing and pressure relieving operations.
  • a pressing machine comprising relatively movable pressing members, mechanism including a motor for producing and relieving pressure between said members, two circuits to said motor, one for the pressure producing and the other for the pressure relieving operation, and two switches, each common to both of said circuits and adapted to close either circuit and simultaneously open the other, one of said switches being manually operable to initiate said pressure producing and said pressure relieving operations, and'the other of said switches being operated in timed relation with the movement of the pressing members to define the conclusion of the pressure producing and pressure relieving operations.
  • Av pressing machine comprising substantially coextensive pressing members relatively movable toward and from each other for the pressing operation with rela' tively wide separation therebetween for access to and visibility of the work, operator operated means for producing such movementto close the press, power means effective upon said members when closed to pro-- Jerusalem definite successive pressure applying and relieving operations, controlling means therefor operatable at will by the operator when the press is .closed and by a movement distinct from the press closing movement, and electrical timing means whereby said power means in performing each of said operations automatically ensures readiness of said controlling means to etlect initiation oi the next succeeding power operation of the press.
  • a pressing machine comprising substantially coextensive pressing members relatively movable toward and from each other for the pressing operation with relatively wide separation therebetween for access to and visibility of the work, operatoroperated means for producing such movements to close the press, power means effective upon said members when closed to produce definite successi've'pressure applying and relieving operations, single controlling means therefor operatalole at will by the operator when the press is closed and by a movement distinct from the press closing movement, and electrical timing means whereby said power means in performing each of said. operations automatically renders said controlling means ready to effect initiation of the next succeeding power operation of the press.
  • a duplex pressing machine capable of optional use either as a man-press or a power-press, comprising substantially coextensive press members relatively movable toward and from each other for the press ing operation with relatively wide separation therebetween for access to and visibility of tl e work operator-operated means for producing such movement to close the press and at the option of the operator to produce man-pressure upon the work, in con bination with power mechanism adapted at the option of the operator to produce power pressure upon the work, said mechanism including controlling means for operation after the press is closed and comprising power means for producing power pressure upon said members, a controller for said power means and adapted for optional use by the operator for power pressure when the press is closed, means for preventing effective use of said controller when the press is open, and electrical timing means for maintaining said controller in step with the operation of the press.
  • a duplex pressing mechine capable of optional use either as a man-press or a power-press, comprising substantially coexten ve pressing members relatively inova ble toward and from ear-h other for the pressing operation with relatively wide aration therebetween for access to and visibility of the work, operator operated means for producing such movement to close the press and at the option of the operator to produce man-p-ressure upon the work, in combination with power means adapted at the option of the operator. to lock the press closed and produce power pressure upon the work eontroiling means for said power means capable of optional use by the operator.
  • duplex pressing mechine capable oi optional. use either as man-p ss or a power-press, comprising substan .ly coextensive pressing members relatively novable toward and from each other tor the pres ing operation with relatively wide separation therebetween for access to and. visibility of the worlr, operator oper ted means for producing such movement to cl the press and at the option of the operator to produce man-pressure upon the work. in combination with power means adapted the option of the operator to produce power pressure upon the work, controll i means for said power means capable of optional use by the operator, means for maintaining the press closed, and means for ettecting release of the press either with or without the use of power accordingly the press is used as a power-press or man-press. respectively.
  • a duplex pressing machine capable of optional use either as a man-press or a power-press, comprising substantially co-extensive pressing members relatively movble tmrard and t'rom each other for pressing operation with relatively wide aration therebetween for to and v bility of the work, operator operated means for producing such movement to close the press and at the option of the operator to produce man-pressure upon the work; in combination. with power n'ieans aria ted at the option of the operator to produce power pressure upon the work, controlli g means for said power means capable of optional use by the operator, means for maintaining the press closed, and separate means for releasing the press when used as a man-press and power-press. respectively.
  • a duplex pressing Ina-lune capable of optional use either as a m power-press, comprising sub-st i tensive pressing; toward and from .ch other or t operation with relativ wide therebet-ween for access or and i the work, operator operated means to?" pro-- ducing such movement to close the pi-cssanil at the option of the operator to produce man-pressure upon the work.
  • controlling means for said power means capable of optional use by the operator, means tor the Press c o wh n u a a a -Pre means for-locking the press closed when used-as a power-press, and separate means for releasing the press when used as a manpress and power-press, respectively.
  • a pressing machine comprising substantially coextensive pressing members relatively movable toward and from each other for the pressing operation with relatively wide separation therebetween for access to and visibility of the work, operator operated means for producing such movement to close the :press, electric power In'eans effective upon said members when closed to produce definite successive pressure applying and relieving operations, an electric switch therefor operatable by the operator by a movem nt h t m f ma he pre s-closing "more mea a an automati el ctri switch "whereby said power means in"per-forn1-ing H definite successive pressure applying and relieving operations, an electric switch there- ;for operatabl'e-by the operator by a movement distinct irom "the press closing movement, and an automatic j electric switch wliereby saiid power meansin performing the pressure-relieving operation automatically ensures readiness of said operator-operated switchto efiee't initiationof the pressure producing operation;
  • a pressing machine comprisingvsub 'stantially coextensive pressing :members relatively movabletoward and from "each ⁇ other for the pressing operation with relatively wide separation therebetween :for access to and visibility of the work, operator operated means for producing such movement to close the press, in combination with-power ineeh-anisrn including con-trolling --means for pperation after the press closed, :said
  • a pressing machine comprising substantially coextensive pressing members relatively movable toward and from each other for the pressing operation with relatively wide separation therebetween for access to and'visibility of the work, operator operated means for producin such movement to close the press, in comblnation with power mechanism including controlling meanstor operation after the press is closed, said mechanism comprising'electric power means for producing power pressure between said members, a main line switch for said power :means, a controlling switch for said power means and adapted :for optional use by the operator for power pressure when the press is closed, means for preventing effective-use of said controlling switch when the press is open, and means for automatically maintaining said cont-rolling switch in step with the operation of the'press and ready for the next power operation.
  • Apressingmachine comprising substantially coextensive pressing members relatively movable toward and from each other 'for the pressing operation with relatively Wide separation therebetwee'n for access to and, visibility of the work, operator operated means for producing such movement to closethe press.
  • power means effective upon said members to produce pressure applying and relieving operations
  • a general control means for throwing said power means on and oif, a second :means operatable by a movement distinct "from that of said operator operated means for controlling said power 'rneans in the application and relief of pressure
  • a third-control means for -p-rejventing etfective'operation ofsaid sec- --0nd "control means until said operat ng means"hassubstantially closed :the press.
  • operator operated means for producing such movement to close the press, electric power means effective upon said members to produce pressure applying and relieving operations, a main line switch for throwing said power means on and oil, a second electric switch operatable by a movement distinct; from that of said operator operated means for controlling said power means in the application and relief of pressure, and a third switch for preventing effective operation of said second switch until said operating means has substantially closed the press.
  • a pressing machine comprising relatively movable pressing members, mechanism including a motor for producing pressure between said members, a rotatable switch operated in timed relation to the movement of the press for stopping the motor at the conclusion of the pressure producing operation, said switch being adjustable to vary the time of stopping the motor, and control means for said motor for initiating said pressure producing operation.
  • a pressing machine comprising relatively movable pressing members, mechanism including an electric motor for effecting pressure producing and pressure re1iev ing operations of said pressing members, a commutating switch including concentrically arranged relatively rotatable contact members operated in timed relation to the movement of the press for stopping said motor at the conclusion of each of said pressure producing and pressure relieving operations, and control means for said motor for initiating said pressure producing and pressure relieving operations.
  • a pressing machine comprising relatively movable pressing members, mechanism including an electric motor for effecting pressure producing and pressure relieving operations of said pressing members, a commutating switch including concentrically arranged relatively rotatable contact members operated in timed relation to the movement of the press for stopping said motor at the conclusion of each of said pressure producing and pressure relieving operations, said contact members being adjustable to vary the time of stopping the motor, and control means for said motor for intiating each of said pressure producing and pressure relieving operations.
  • a pressing machine comprising rela-' tively movable pressing members, mechanism including an electric motor for effecting pressure producing and pressure relieving operations of said pressing members, a commutating switch including contact members operated in timed relation to the movement of the press for stopping said motor at the conclusion "of each of said pres sure producing and pressure relieving oper ations, said contact members corresponding respectively to the pressure producing and pressure relieving operations and being in dividually adjustable to vary the time of each of said operations, and control means for said motor for initiating each of said pressure producing and pressure relieving operations.
  • a pressing machine comprising relatively movable pressing members, mechanism including an electric motor for effecting pressure producing and pressure relieving operations of said pressing members,
  • a commutating switch including contact members. operated in timed relation to the movement of the press for stopping said motor at the conclusion of each of said pressure producing and pressure relieving operations, said contact members corresponding respectively to the pressure producing and pressure relieving operations and being adjustable as a unit to vary the time relation of the same with respect to the conclusion of the pressure producing operation, and control means for said motor for initiating said pressure producing and pressure relieving operations.
  • a pressingm achine comprising relatively movable pressing members, mechanism including an electric motor for effecting pressure producing and pressure relieving operations of said pressing members, a
  • commutating switch including contact members'operated in timed relation to the movement of the press for stopping said motor at the conclusion of each of said pressure producing and pressure relieving operations, said contact members corresponding respectively to the pressure producing and pressure relieving operations and being adjustable individually and as a unit to vary the time of each of said operations and the time relation of the switch with respect to the conclusion of the pressure producing operation, and control means for said motor for initiating said pressure producing and pressure relieving operations.
  • a pressing machine comprising relatively movable pressing members, meclr anism for producing relative movement thereof including a rotatable member arranged to turn through a single rotation to I comprising a pair of curved contact segments concentrically mounted about the axis of the rotatable member, a contact ring mounted upon the rotatable member for rotation therewith, a contact s mean-Ml upon said rotatable member and in electric circuit with said contact ring, said shoe having wiping contact engagement successively with said contact segments, and a second contact shoe having fixed electric connection with one of said segments and adapted for wiping contact engagement with said contact ring, said segments corresponding to the pressure producing and pressure reliev ing operations respectively, and control.
  • a pressing machine comprising relatively movable pressing members, mechanism for producing relative movement thereof including a rotatable member arranged to turn through a single rotation to produce a complete cycle of pressure producing and pressure relieving operations of said mechanism, motor means, a commutating switch centered about the axis of said rotatable member and operated thereby for stopping said motor means at the conclusion of each of the pressure producing and pressure relieving parts of the cycle, said switch comprising a pair of curved contact segments concentrically mounted about the axis of the rotatable member, a contact ring mounted upon the rotatable member for rotation therewith, a contact shoe mounted upon said rotatable member and in an electric circuit with said contact ring, said shoe having wiping contact engagement successively with said contact segments, and a second contact shoe having fixed electric connection with one of said segments and adapted for wiping contact engagement with said contact ring, said segments corresponding to the pressure producing and pressure relieving operations respectively, and the curvature of the far end portion of each of said segments, according to the direction

Description

A ril 1 1924. 1,489,227
D. H. BENJAMIN ET AL GARMENT PRESS Filed May 13, 1918 6 Sheets-Sheet 1 lzzzfezzzgi L44 April .1 1924;
D. H. BENJAMIN ET AL GARMENT PRESS Filed May 1:5, 191s 6 Sheets-Sheet 2 A rii 1 1924. 1,489,227
13. H. BENJAMIN ET AL GARMENT PRESS Filed May 15, 1918 e Sheets-Sheet s April 1 1924. 1,489,227
D, HJBENJAMIN ET AL A GARMENT PRESS Filed May is. 1918 s Sheets-Sheet 4 A ril 1 1924.
- 1,489,227 D. H. BENJAMIN ET AL GARMENT PRES 5 Filed May 13, 1918 6 Sheets-Sheet 6 Patented Apr. l, 1924.
DANA H. BEN? NATL OHIO, .(hSSIGrlIGBS, BY A lgldttll? ""IIN 9 CLEVELAND HEIGHTS, AND EIYIIL .3. CARROLL, OF CINCIN- NLD I IESNE ASSEGNBEENTS, OF ONE-HALF TO THE AEZEERlTCAN LAUNDRY IVZACHINEIZY CQIEEJXNY, 0F NORVVOOD, OHIO, A COR- POEATIUI -l' OI OHIO AWE OF SHE-11..
.ALF T9 lJIETBOIGIITAN TRUST COMPANY,
TRUSTEE, OF NEW] YGBK, N. Y.. A GOEPQIt-ATION OE NE'W YORK.
GARMENT rsnss.
Application filed May 13, 1918.
T 0 all whom it may cancer 1t. J
Be it lniown that we, .DANA l'I. BENJABIIN and ltliuiL u. Cmuumn, citizens of the United States. residing at Cleveland l leights and Cincinnati, respectively, in the counties of Cuyahona and l-lamilton, respectivelj Q and State 01' (lino, have invented certainnew and useful Improvements in GarmentjPresses, of.
which. the l ollowinp; is a specification.
This invention relates to pressing machines such as are used for pressing gal; ments or other articles 03" wearing apparel. or "for pressing fabrics 01" any kind. The invention has more particular relation to what are known as power presses andis an improvement upon the machine showindescribedand claimed the patent of William E. Andree for garment press No. l. 368,68 l, of February 15, 1921.
In this type of power press the two relativcly movable pressing: men'ibers are broue 11' into .l airly close neighboring relation either manually, *by pulling" down upon 'the' head. or by pressing down upon the usual. foot pedal. The power mechanism of-the press then produces furtherrelative'movcnient of the pressii'ip; membersto press the fabric or garment therebetween under heavy pressure. v 1 J! i J. .L.
lhe object or the present. invention is to provide an improved. pressing machine of this kind having power mechanism capable of manual control, thereby enabling it to be thrown into operation at the will of the operator. the control mechanism however being equipped with suitable safety devices to prevent actuation'of the power mechanism the manual control unless the pressi' members are in such close neighboring relation that it is impossihlefor the of the operator tolie thereliietween and hence be subject to injury.
A further object of the invention is to provide control devices of the character described which enable the two pressing mein-- hers to be relatively moved toward and from each other manually or by actuation. of the ioottreadle as often as may be desired, without tripping oil or starting the power mechanism.
further object of the invention is to provide a pressing" machine o'f this kind whose control; devices enable the operator Serial No. 234,258.
toset the same so that the act of manually or I otherwise bringing the pressing inembers into close neighboring relation so close that the fingers cannot be between said n1e1nberswill trip oil the power mechanism and cause the press to perform its regular series of functions and operations. Further objects of the invention are in part obvious and in part will appear more in detail hereinafter.
In the dra rings. which represent one embodiment of the invention, Fig. 1 is a side elevation of the left hand side of a press embodying the invention. the press being shown in open position ready for actuation by the operator; Fig. 2 a right side view of said press, the press being shown in closed position; Fig. 3 is a plan view; Fig. 4 is a detail sectional elevation on the line 44, Fig. 1; Fig. 5 is an enlarged side detail view oi the vacuum valve operating devices; Fig. 5 detail plan view of a lever; 6 is detail sectional elevation of one of the con trolling; switches a portion of the casingwall thereof beingbroken out to expose interior parts; Fig. 7 is an end view from the ri ht in 6. a portion of the casing wall being broken out to expose i uterior parts; Fig. 8 is a'detail elevation. partly broken out and in section, illustrating a plunger switch; 9 is a similar view of the rentingtiming switch; Fig. 10 an end elevation thereof; Fig. 1] is a diagrammatic View illustrating the electrical connections from the motor to the various control switches, the positions of the parts corresponding to the open position of the machine illustrated in Fi 1 Fig. 12 is a similar view of the parts while the power mechanism is producing heavy final pressure between the pressing members; Fig. 13 is a similar view of the parts when the machine has come to rest atter the application of heavy pressure; Fig. 14 is a similar view illustrating the positions of the parts when the motor has again been started to release'the press; and Fig. 15 illustrates the final portion of the opening movement just prior to the position shown in 11.
The general construction of the machine and its operating mechanism are not essential and may be chosen according to the lessee? requirements for any desired class of Work. The particular machine shown in the ings is in many respects similar to tne machine of the prior Andree patent above ferred to to Which reference may be had "for a more complete description of any portion of the mechanism not here described. A machine suitable for the purp oit this application, llOWQVI-f, comprises a suitable frame 1 carrying a stationary lower pressing member or buck 2 and provided with an upwardly extending support 3 for pivoted arm or lever 4 carrying a cooperating upper pressing member or head 5 adaptedby swinging movement of saic arm to be brought into co-cperating pressing relation with the buck 2. The buck may of hollow form having an inner chamber 7 to which steam is supplied for heating the buck in the usual manner, and, as shown in said Andree patent, may be provided With a steam chamber 8 arranged to discharge steam for moistening purooses through the perforations 9 in the face oil the buck, said steam coming from the heating chamber by Way of a valve 10 controlled by the valve rod 11 actuated by the steam] treadle l2. Said steaming chamber may also ci'u'ninunicate by Way of a valve with a pipe or conduit 14 leading to a suitable source oz"? suction or vacuum, such as the met 4 fan or centrifugal pump 1t 16 repi seats the rod by which the valve 13 is actuated to connect the chamber 8 to the source of suction, When desired or necessary. The no tuating means for said vacuum valve rod will be later described.
The head 5 is also heatech having an inner chamber through which steam is circulated by the usual pipes 17. Said head may also be provided with suitable means for supplying steam to the garment or fabric on the lower buck. Said means may be of substantially the same form shown descril and claimed in a prior patent oi William l5. Andree for garment presses granted July 29, 1919', No. 1311 151, and as shown co prises a long conduit or channel. 18 e2-;teuding along the front edge of the head and from slots or openings in which steam is discharged in the form of'a cloud traveling across or along the face of the head. Steam is supplied to said conduit from the chaos her in the head by Way of a pipe or conduit 19 in Which is a valve 20 norn'ially held closed bya suitable spring and capable oi being opened at will be depressing the handle 21.
22 indicatesa handle carried by the arm 4 for manually moving the arm and head toward or'from the buclr, the countenweight 23 serving to partially balance the load. The head may also be actuated by pressure applied to the foot treadle 24:, which is con-- nected by a link 25 to one arm of an oscildri i lating lever 26 the other arm of 1 connected by a linl; 2'? t the pivotal sin 22 lJO'S'JWQG 'tWO toggle members 29, 30, one of which, such as n'icinber i oral adjustable as to r. i of a pair of springs the press open. By depres toggle in mbei may be thereby move the head tow The toggle members 29 and stra' ned in 5 2 heavy final pressure. Secured to tne toggle iii-en'iber 32 35 provided lor fl 4 ally e: slot having a straight perm n to an shapea portion 3? which rises pin 38 secured to one of a 5; 89 mounted upon shaft "-0 and drivia gear 41 on the shaft; or a \v .3111 L2 drive; by a Worm 4:2 on th the electric motor i of the gear 39, gral therewith, is
Let us assume position shown in the crank p substantia the slot 36, 3'7. clockwise direction has been manually brou i close neighboring relation xvi motor 4-3 is started and caus 88 to travel the toggle 29, 30 and third toggle i t r 'Y r bed with ncavy nnai L re...
then stops and when again cause ate rotates the gear 39 through a ESQ-Ci i of 18 degrees, restoring the parts to original positions and oscillating tn 35 and toggle member to the 1 shown in Flo. 1. This motion in ,c: 1.
lower end of toggle n'ieinber 30 so um the toggle 29, SO breaks automatically and the press is fully opcnec by the springs 12a The degree of pressure produced the press may be varied by adjusting the l 'tl cally by actuation of the power motor.
mechanism conun: arm 47 whose lo"; roller 24% carried b Said arm is c, nee
having slidin Lie treadlc m. a pin to a sleeve inov nent a rod 50 connected at its .1 end to an arm 51 pivoted at to the no and pressed by a I ainst the cam J 4 Between the s eve 49 and a cell r 54; 1S a compression spring 55, while on the other side of the sleeve l9 the rod is provided with adjustable abutment nuts 56.
Upon first closing the press the roller 2%1 engages the arm i? aginst the action of spring and moves down past the same, said arm then adv cing to position slightly above the roller. Then operation of the gear 39 by the motor will cause cam .i-"l to engage lever 51 and move the lock arm 4'7 to the position shown in and thereby lock the press closed. It cannot be released until the motor is again operated through the second. half of its cycle, which operation moves the cam 44- away from lever 51 and allows the spring 53 to move back the loci:- ing arm 47 and release the roller 2%.
If the press is to be power actuated, it is not necessary for the operator to depress the treadle to its full extent so as to cause the toggles to move center and become lOClk'fld, but the locking of the treadle may be accomplished solely by the treadle lock 45?. However, when the press is to be used as a foot power press, either continually or merely occasionally tor a sin le foot operation, an additional downward movement of the main treadle, usi'.' ly requiring pro nounced toot pressure for the purpose. moves said main treadle to its full :atent and causes the toggles to move ightly pa. t straightened position to perform the loclc ing function. In the latter case the toggles are broken by ordinary actuation of the re lease treadle, whereas in the "former case release or opening operation of the power mechanism moves back the loci: 4'1 and the press is immediately opened by the ellect oi the springs 81 and counter-we t 23, because the toggles are not fully straightened and the meclanisin is not otherwi e locked.
The actuating mechanism for the vacuum valve is so arranged as to enable the vacuum to be rendered eii'ective either automatically by the operating movement of the press when the press is power actuated or by operation of the release treadle when the press is operated manually without the motor: lt
will be understood of course that the motor 5? (Fig. 11), for actuating the fan or pi p 15 is in a branch circuit 58 connected through a suitable switch 59 to the power leads 60, and when the vacuum is to be utilized the s vitch 59 is turned to a position to cause operation of the motor. ln other words the fan is constantly operative and the valve 13 actuated at the proper time to cause the vacuum produced by the fan to become ellcctive in. the buclc chamber 8. Refer to Fig. the machine is provided with suitable bearings to carry a transversely extendin shaft 61 with which turns an arm 62 having a yoke portion embracing the stem 16 and an arm 63 connected by a link 6%- to an arm 65 connected to turn with and to be actuated by the release treadle s5. Directly above the yoke portion of 62 is an arm 66 having a yoke beneath a collar 67 on the valve stem and mounted to turn on the shaft 61 with a cam arm 68 the memhers 66 and 68 operating as one piece. Cain arm 68 co-operates with a pin 69 on the lever 26.
When the press is power actuated the release treadle is not utilized and is held in the position shown 1 by the spring 70. The swinging members 66, 68 are however actuated by the pin 69 which when the press opens engages the arm 68 and through member 66 lifts the valve 13 and applies the vacuum. The vacuum remains effective in the chamber 8 until the press is closed to move the pin 69 away from lever 68. When the press is not power actuated the vacuum is rendered effective by depressing the release treadle, which causes the arm 65?, to lift the arm 66 and thereby open the vacuum valve.
Referring now to Figs. 11 to 15 the current lead wires 60 pass tl'irough a suitable switch 71, one of said lead wires running to tie power motor 13 and thence to the center contact of a tumbler switch 72 shown in Figs. 6 and 7. From the two end contacts of this tumbler switch lead wires 73 and 74: extend to binding posts 130, 131 on the lower and upper segments of a rotating distributing or timing switch 5, snown in Figs. 9 and 10 and from the center contact of the timing switch lead wire 76 extends to the switch '71. ln one of the leads "from the tumbler switch to the timing switch, such as lead 7%, is a phmger switch 77. lhe several switches 72, an 77 will first be described.
Tumbler switch comprises an insulating block 78 on which are mounted two end contacts 79 and 80. connected respectively to the'binding posts 73, We. The center contact to which the lead from the motor is connected, is a post 81 on which turns an upwardly extending arm 82 carrying the spring pressed contact blade 88, said arm having a rear post connected by a tension spring 84 to a sliding rod 85, all parts being suitably insulated. Rod 85, 1, extends outwardly from the front of the switch casing and is connected by a linlr 36 to on 8'? on the shaft or tne opera ng l which at its opposite or. carri This arrangement produces a "g and break. By moving the lever 88 in one direction or the other the rod is moved longitudinally in the switch or and carries the lower end of the spring 84: past the pivot of the swinging arm 82, which 'tjafil'Q- fore turns over with a quick snapping movement to break one contact and make the other, thereby changing the connection of the motor to one or the other the leads 73, 74. Any other form of switch for shift ing these contacts would however answer the purposes.
The plunger switch 77 is illustrated in Fig. 8 and comprises an insulating bloclr 89 carrying two contacts 90, one connected to the lead 74 and the other to one of the seg ments of the switch 75. Between he two contacts 90 is located a sliding fibre rod 91 carrying a conducting rin contact 92. This rod projects downwardly tom the bottom of the switch casing and within the said casing carries a collar 93 above which is a compression spring 9d whose upper end ongages a washer 95 seated against a wall of the casing. As shown in 8 the spring 94 normally holds the switch open. The lower end of the rod 91 has a nut or bolt 96 adjustably connected thereto, and lies in position tobe actuated by an arm 97 mounted to turn with an arm 98, the latter arm having an abutment 99 lying in the path or movement of a too 100 of the swinging lever 27. l/Vhen the press is closed manually, so as to bring the head and buck into close neighboring relation-so close in fact that the fingers could not be between them the toe 100 actuates lever 98 and closes the plunger switch. As will hereinafter appear this switch must be closed before the power motor can be operatively connected to its source of current, as a consequence of which it is impossible to produce the final heavy pressure with the power motor unless the press has first been nearly closed manually. In any other position of the head, actuation of the manually controlled tumbler switch 72 will have no effect uponthe machine.
The rotating timing switch may be of any suitable form. As illustrated it comprises a suitable casin 101 provided with radially and outwardly extending car having circum'ferentially extending slot 121 through which a bolt 122 is screwed into the machine frame. The elongated slot 121- permits slight adjustment of the casing 101 around the axis of the shaft 40 at the center or" said casing, the adjustability of said casing being for a purpose which will later appear.
essee? Casing 101 carries insu ating blocks 12% upon wl'iich are the u segments 102 and the ends of said segments be b gaps The timing switch rounds car 4L0. wl
across the ire 1 said shai -ies provided with a con" 106 to which s e swinging contact arm is pressed outward v nected.
124: are adjus i mg 101, for a purpos pear. Specifically, ea. blocks outer rests upon a pair 0 Q .1 inwardly irom tne 128 through which err. i 129 for clanping the insula the casing. The circuinf L152. Q
slots enable the clan bolts loosened up and the inst to be J bloclrs with e l thereby to be adjusted circum p Referring to ll" 9 shaft 420 rots ,s in clockwise direction the arm 107 wiping turn over each The end of each segment is curved inwardly, at 1'' so as the shoe passes beyond the end of each. contact it is lifted away from its normal path of movement and suddenly jumps off from one segment. producing a quick break, and then suddenly en res into ample electrical contact with the next segmcn The pressing machine described follows Let us a. open, as shown in n in. 1 occupying the positions shown in Tn this position pl switch so that actuation of he manually coutr handle 88 cannot connect the power mo to its source of current. Tumbler switc. 72 connects the motor to the lead d the lower segment oi toe tim ng whose rotating contact has just reached connection with the upper s gment. operator first applies a .ie
again connects the motor its source through segment the tumbler switch and the lower of the timing switch. The motor thereupon begins to rotate and turns the cam shaft through the second half of: its cycle, as shown in Fig, 15, the parts finally reaching the position shown in Fig. 11. 'lhe :hrst effect of the motor is to break the third. tog 'le, and as soon as the car 44. leaves the lever 51 the lock 4-? moves bail: a. releases the roller 2r, a result of the springs 31 fully open the press. ap-
plyiu", maintaining and releasing oi fi" pressure may be considered together as constituting a cycle.
During the first closing movement oi the press the pin 69 moves away from the lever 68, so that the vacuum valve closes. Till the vacuum valve is closed and up to the time the head and buck are in "Full. coutart steam can be appl ed to the garment either by actuation of the steaming 'treadle 12 to discharge steam from. the buck, or by actr: ation of the lever 21 to discharge stean'i from the head. As soon as the press opens, as before (.escribed, the vacuum valve is auton'iatically o ened and the moisture in the garment is :hdrawn through the be The purpose of adj ustability of the S on casing 101 about the shaft to which it surrounds and of circumferential adjustment of the segments 123, 124 within the casing is as fOllOWSZ he rotating timing switch determines the time of starting and stopping or, in other 1 ,nig motor during): both ha...
other words,sai jl motoroperates so l( as the rotating shoe 10? is in contact either of the segments 102, 103. and Hill motor stops operating (excepi as: to roasting hereinafter referred to) when said shoe drops oil frourthe end of one ou said segments and cup; ges the other. The shoe 10'? rotates with and always has a ned time relation with the shaft 40, the circuruien ential position of which determines the position of the head. By circumterentially adjusting the two insulating blocks 128, 124 in the casing, nicety and accuracy as to starting and stopoi of the o citing mechanism ii i may be secured and the two halves of the cycle maybe terminated at the most eflicient olnts. For example, segment 102 is the egment along which the. shoe travels whlle press re is being applied. by the motor. segment is made longer than segment 103 ."iGfillilSQ the load on the motor ncreases as he shoe 107 reaches the end of the segment, as a result of whic i the motor cannot coast under load. By circumferentially adjusting segment 102, its far end can be made to assume a position in which the maximun'i pressure has been applied to the head, and with such adjustment the press will stopwith the maximum pressure applied. 7 Segment 103 is shorter than segment 102 because the shoe 107 is travelling over segment 103 while power pressure is being relieved and the load is decreasing. As a result, the motor has a tendency to coast at the end of this half-cycle. This segment however can also be adjusted so as to compensate for any coasting tendency and insure the press coming to rest with the head fully open. 7
The above two adjustments of the blocks 123, 12 1 enable the starting and stopping points to be individually determined for the two halves of the cycle. For additional adjustment and to also simultaneously adjust both segments, the casing 101 can be circumferentially adjusted relative to the frame, which has the eliect of circumferentially adjusting both segments and changing the time of starting and stopping of both halves of the cycle as already determined by the positions of the segments in the casing, with respect to the position of the head atfull open or full closed position.
lit is, of course, obvious that the insulating block 105, which carries the rotating shoe 107, is capable of rotatable adjustment on the shaft 40 to time it with relation to be head, and said block can be secured to the shaft in any of its adjusted positions by the set screws 1A0.
The machine described materially reduces the labor of the operator and while giving him full manual control. over the press prevents him from putting into efiect its power features except when it is safe to do so.
l i hat we claim is 1. A pressing machine, comprising substantially coextensive pressing members relatively movable tmvard and from each other for the pressing operation with relatively wide separation therebetween for access to and visibility of the work, operatoroperated means for producing such movement to close the press, power means for producing final heavy pressure between said members, main controlling means and supplementary controlling means for said power means, said main controlling means being operatable by an operation distinct from the press-closing operation, and said. power means being incapable of operation to produce final pressure efi'ect except by opera tion of said supplementary controlling means.
2. A pressing machine, comprising substantially coextensive pressing members relatively movable toward and from each other for the pressing operation with relatively wide separation therebetween for access to and visibility or" the work, operatoroperated means for producing such movement of said members to close the press, power means for producing and relieving final pressure, main controlling means and supplementary controlling means for said power means, said nain controlling means being operatable by an operation distinct from the press-closing operation, and said power means being incapable of operation to produce final pressure effect except by operation of said supplementary controlling means.
8. A pressing machine, comprising substantially coextensive pressing members relatively movable toward and from each other for the pressing operation with relatively wide separation therebetween for access to and visibility of the work, operatoroperated means for producing such movement of said members to close the press, power means for causing a cycle of pressure producing, maintaining and relieving effects, main controlling means and supplementary controlling means for said power means. said main controlling means being operatable by an operation distinct from the pressclosing operation, and said power means being incapable of operation to produce final pressure effect except by operation of said supplementary controlling means.
4. A pressing machine, comprising substantially co-extensive pressing members relatively movable toward .id from each other for the pressing opera r .n with relatively wide separation therebetween for access to and visibility of the work, operator operated means producing such move ment to close the press, in combination with power mechanism including controlling means for operation after the press is close d said mechanism com rising pow r 162315. torproducing power pressure between sa' members, a controller for said power means adapted for optional use by the operator for power pressure when the press is closed. means for preventing effective use of: said controller when the press is in an open position, and automatic means for maintaining said controller in step with normal op eration of the press and ready for the nest power operation.
5. A pressing machine, comprising substantially cc-extensive pressing members relatively movable toward and from each other for the pressing operation with relatively wide separation therebetween for aci,aee,227
s for producing power ressure bQeWGGll. said members, a controller for said power means adapted for optional use by the operator for power pressure when the press closed,
means controlled by tl e press closir for preventing eh'ective use troller when the press is in an and automatic means lor mains controller in step with normal operr the press and ready for the next pov-rer op eration.
5r pressing machine, comprisir" stantially coextensive pressing relatively movable toward a" d other for pressing operation tivel wide separation th rebetw cess to and visibility the we operated means for producing s: ment to close the press, in combin' tie-n with power mechanism including cor rolling means for operation after the press is closed, said mechanism comprising power means tor producing power press between said members, a controller for said power means a-apted for optional use by the operator power pressure when the press closed, means for preventing eiiective i controller when the is in 2 tion, and automatic mew s controlled by power means for maintaining said controll in step with normal operation of the and ready for the nest power op rat,
'Z. A pressing machine, comprising substantially co-extensive pressing members relatively movable toward and from each other for the pressing operation wi h relatively wide separation therebetween' for access to and visibility of the work, operator operated means for producing such move ment to close the press, in combination with power mechanism including controlling means for operation after the press is closed, said mechanism comprising power means for producing power pressure between said members, a controller for said power means adapted for optional use by the operator for power pressure when the press is closed, means for rendering said controller eliective to produce pressure only when the press is closed, and automatic means -for maintainin said controller in step with the opei lion or the press and ready for the next power operation.
8. A pressing machine, mprising substantially co-erztensive pressing members relatively movable toward and from each other for the pressing operation with relatively wide separation therebetwccn for access to and visibility of the work, operator VII operated means for producing such movement to close the press, said means being in etl'ective to produce power pressure effect, in combination with power mechanism includ ing controlling means for operation after the press is closed, said mechanism comprising means for producing power pressure 1 said members, a controller for said power means adapted for optional use by the operator for power pressure when we press is closed, means for preventing ei'lective use of said controller when toe press is open, and automatic means for maintaining said controllcr in step with. the op ion of the press and ready for the next power operation.
9. A duplex pressing Ina-chine, capable of optional use either as a man-press or a power press, co irising sul; tantially co-extensi've pressin; embers relatively movable toward and from each other for the pressing operation with relatively wide separaion therebetween for access to and visibility of the work, operator operated means for producing such movement to close the press and at the option of the operator to produce roan-pressure upon the work, in combination with power means adapted at the op tion of the operator to produce power pressure upon the worlr, controlling means "for said power ineans capable of optional use by the operator, means or maintaining a sequence of operations of the power means in step with all normal operations of the press, and means for maintaining said con trolling means in step with said power means and immediately ready to effect initiation of the next succeeding power operation oi the press.
10., A pressing machine, comprising pressing ineinbers relatively movable vertically toward and from each other for the pressing operation with relatively wide separation by such inovenient therebetween for access to and visibility of the work, means whereby the operator can produce such movement to initially close the press upon the work, power means for producing heavy pressure between said members when closed, controlling means for said power means opt onally operative bv the operator and by u 1 wi hin distinct from the press closing t ion, and means adapted to harmonize w es the controlling means upon 7 fills with the movement of the i'nembers.
pressing machine, comprising pres bers relatively movable vertically nd from each other for the pressoperation with relatively wide separan by srch niovenient therebetween for acto and visibility of the worlr, means the operator can produce such '7 to initially close the press upon the 1-1, power means for producing and maintion by such niovi nent therebetween for access to and visibility of the work, means vaereby the operator can produce such movement to init1ally close the press upon the power for producing, maintanning and relieving heavy pressure betwe n said members when closed, controla n said power nieans optionally operative by the operator and by an operation distinct from the press closing opera tion, and 11' ans adapted to harmonize eil'ecti*-.*eness of the controlling means upon the power nieai s with the movement of the pressing members.
A pressi. machine, comprising stanti lly co tensive pressing meinlfiers relatively more is toward a: from each other for the press relatively le separat on therebe w acc to and "visibility oi the work operator-operans "for producing such movement members to close the press-i, power means For producing final heavy pressure between said members, and a single operator-ope ted means for controllino' the ap- ()llCZLlTlOll and release of final pressure, aid
operated for prormcinr; such moree the power nieans e53 fecti f1 s when closed to produ deinr 1=isuccessia e prcssurv applyand r el operations, single controlling; means the] y operatable at will by the operator when the press is closed and by a may 1 distinct from the press closnioiein: and nseans whereby said or means in g ierforming each of said ope a ions automatically renders said con t2 means ready toeffect initiation of the next succeeding power operation oi? the press.
l5. A pressing machine, comprising sub capable'of ope 'ation by the operator independently of press closing movement and also controlled in step with the movement of the pressing members. 7
23. A pressing machine, comprising relatively movable pressing members, mechanism for producing relative movement there of including operator-operated means for closing the press, a rotatable member operable in timed relation with the pressure producing and relieving operations of said mechanism, motor means, a commutating switch centered about the axis of said rotatable member and operable thereby to effect arrest of said members at the conclusion of each of the pressure producing and pressure relieving operations, and control means for said motor means for initiating each of said pressure producing and pressure relieving operations.
24. A pressing machine, comprising relatively movable pressing members, mechanism for producing relative movement thereof including a rotatable member arranged to turn through a complete rotation to: produce a complete cycle of pressure producing and pressure relieving operations of said mechanism, motor means, a commutating switch centered about the axis of said rotatable member and operated thereby to effect arrest of said members at the conclusion of each of the pressure producing and pressure relieving parts of the cycle, and control means for said motor means for initiating each of said pressure producing and pressure relieving parts of the cycle.
25. A pressing machine, comprising relatively movable pressing members, mechanism including motor means for producing and relieving pressure between said members, a switch operated by said motor means for stopping the same at the conclusion of each of said pressure producing and pres sure relieving operations, said switch being adjustable to vary the position of the motor means at the conclusion of the pressure producing operation, and control means for said motor means for initiating each of said pressure producing and pressure relieving opera-- tions.
26. A pressing machine, comprising relatively movable pressing members, mechanism including a motor for producing and relieving pressure between said members, a switch operated by said motor for stopping the same at the conclusion of each of said pressure producing and pressure relieving operations, said switch being adjustable to vary the position of the motor means at the conclusion of the pressure relieving operation, and control means for said motor for initiating each of said pressure prod'u and pressure relieving operations.
2?; A pressing machine, comprising relatively movable pressing members, mechatwo circuitsto said motor, one for the pressure producing and the other for the pressure relieving operations of said motor. and two switches, each of said switches being common to both of said circuits and adapted to close either circuit and simultaneously open the other, one of said switches being manually controllable to initiate each of the pressure producing and pressure relieving operations and the other switch being controlled by said motor to arrest its movement and thereby terminate each of said pressure producing and pressure relieving operations.
29. A pressing machine, comprising relatively movable pressing members, mechanism including a motor for producing and relieving pressure between said members, two circuits to said motor, one for the pressure producing and the other for the pressure relieving operation, and two switches, each common to both of said circuits and adapted to close either circuit and simultaneously open the other, one of said switches being manually operable to initiate said pressure producing and said pressure relieving operations, and'the other of said switches being operated in timed relation with the movement of the pressing members to define the conclusion of the pressure producing and pressure relieving operations.
30. Av pressing machine, comprising substantially coextensive pressing members relatively movable toward and from each other for the pressing operation with rela' tively wide separation therebetween for access to and visibility of the work, operator operated means for producing such movementto close the press, power means effective upon said members when closed to pro-- duce definite successive pressure applying and relieving operations, controlling means therefor operatable at will by the operator when the press is .closed and by a movement distinct from the press closing movement, and electrical timing means whereby said power means in performing each of said operations automatically ensures readiness of said controlling means to etlect initiation oi the next succeeding power operation of the press.
31. A pressing machine, comprising substantially coextensive pressing members relatively movable toward and from each other for the pressing operation with relatively wide separation therebetween for access to and visibility of the work, operatoroperated means for producing such movements to close the press, power means effective upon said members when closed to produce definite successi've'pressure applying and relieving operations, single controlling means therefor operatalole at will by the operator when the press is closed and by a movement distinct from the press closing movement, and electrical timing means whereby said power means in performing each of said. operations automatically renders said controlling means ready to effect initiation of the next succeeding power operation of the press.
32. A duplex pressing machine, capable of optional use either as a man-press or a power-press, comprising substantially coextensive press members relatively movable toward and from each other for the press ing operation with relatively wide separation therebetween for access to and visibility of tl e work operator-operated means for producing such movement to close the press and at the option of the operator to produce man-pressure upon the work, in con bination with power mechanism adapted at the option of the operator to produce power pressure upon the work, said mechanism including controlling means for operation after the press is closed and comprising power means for producing power pressure upon said members, a controller for said power means and adapted for optional use by the operator for power pressure when the press is closed, means for preventing effective use of said controller when the press is open, and electrical timing means for maintaining said controller in step with the operation of the press.
A duplex pressing mechine, capable of optional use either as a man-press or a power-press, comprising substantially coexten ve pressing members relatively inova ble toward and from ear-h other for the pressing operation with relatively wide aration therebetween for access to and visibility of the work, operator operated means for producing such movement to close the press and at the option of the operator to produce man-p-ressure upon the work, in combination with power means adapted at the option of the operator. to lock the press closed and produce power pressure upon the work eontroiling means for said power means capable of optional use by the operator. means tor maintaining a sequence of operations of the power means in step with all normal operations of the press, and means for maintaining said controlling means in step with said power means and. immediately ready to effect initiation of the next succeeding power operation oi the press.
34. duplex pressing mechine, capable oi optional. use either as man-p ss or a power-press, comprising substan .ly coextensive pressing members relatively novable toward and from each other tor the pres ing operation with relatively wide separation therebetween for access to and. visibility of the worlr, operator oper ted means for producing such movement to cl the press and at the option of the operator to produce man-pressure upon the work. in combination with power means adapted the option of the operator to produce power pressure upon the work, controll i means for said power means capable of optional use by the operator, means for maintaining the press closed, and means for ettecting release of the press either with or without the use of power accordingly the press is used as a power-press or man-press. respectively.
A duplex pressing machine, capable of optional use either as a man-press or a power-press, comprising substantially co-extensive pressing members relatively movble tmrard and t'rom each other for pressing operation with relatively wide aration therebetween for to and v bility of the work, operator operated means for producing such movement to close the press and at the option of the operator to produce man-pressure upon the work; in combination. with power n'ieans aria ted at the option of the operator to produce power pressure upon the work, controlli g means for said power means capable of optional use by the operator, means for maintaining the press closed, and separate means for releasing the press when used as a man-press and power-press. respectively.
36. A duplex pressing Ina-lune, capable of optional use either as a m power-press, comprising sub-st i tensive pressing; toward and from .ch other or t operation with relativ wide therebet-ween for access or and i the work, operator operated means to?" pro-- ducing such movement to close the pi-cssanil at the option of the operator to produce man-pressure upon the work. in combination with power means adapted at the option of the operator to produce power pressure upon the work, controlling means for said power means capable of optional use by the operator, means tor the Press c o wh n u a a a -Pre means for-locking the press closed when used-as a power-press, and separate means for releasing the press when used as a manpress and power-press, respectively. p
37. A pressing machine, comprising substantially coextensive pressing members relatively movable toward and from each other for the pressing operation with relatively wide separation therebetween for access to and visibility of the work, operator operated means for producing such movement to close the :press, electric power In'eans effective upon said members when closed to produce definite successive pressure applying and relieving operations, an electric switch therefor operatable by the operator by a movem nt h t m f ma he pre s-closing "more mea a an automati el ctri switch "whereby said power means in"per-forn1-ing H definite successive pressure applying and relieving operations, an electric switch there- ;for operatabl'e-by the operator by a movement distinct irom "the press closing movement, and an automatic j electric switch wliereby saiid power meansin performing the pressure-relieving operation automatically ensures readiness of said operator-operated switchto efiee't initiationof the pressure producing operation;
39. A pressing machine, comprisingvsub 'stantially coextensive pressing :members relatively movabletoward and from "each \other for the pressing operation with relatively wide separation therebetween :for access to and visibility of the work, operator operated means for producing such movement to close the press, in combination with-power ineeh-anisrn including con-trolling --means for pperation after the press closed, :said
mechanism comprising electric power I means for producing power pressure between said members, a mainline switch for said power means, controlling-switch for :said power nieans and adapted :lior optional use by :the operator for power pressure, and automatic *means' for maintaining said controlling switch :in -;step with fi t-he :operat on' of -.-the
press and ready for-the v -next "power operation;
' so. A "pressing ma'chine, comprising :sub-
'stantially icoextensi ve pressi hgmer'nbetflfrsla-ti-vely movable toward and from each other for the pressing operation with relatively wide separation therebetween for access to and visibility of the work, operator operated means for producing such. m vement to close the press, in combination with power mechanism including controlling means for operation after the press is closed, said mechanism comprising electric power means for producing power pressure between said members, a main lineswitch for said power means, a controlling switch for said power means and adapted foroptional use by the operator for powerqpressure, and third switch in circuit with said power means for automatically maintaining said controlling switch in step with the operation of the press and ready for the next power operation.
41. A pressing machine, comprising substantially coextensive pressing members relatively movable toward and from each other for the pressing operation with relatively wide separation therebetween for access to and'visibility of the work, operator operated means for producin such movement to close the press, in comblnation with power mechanism including controlling meanstor operation after the press is closed, said mechanism comprising'electric power means for producing power pressure between said members, a main line switch for said power :means, a controlling switch for said power means and adapted :for optional use by the operator for power pressure when the press is closed, means for preventing effective-use of said controlling switch when the press is open, and means for automatically maintaining said cont-rolling switch in step with the operation of the'press and ready for the next power operation. a
42. Apressingmachine, comprising substantially coextensive pressing members relatively movable toward and from each other 'for the pressing operation with relatively Wide separation therebetwee'n for access to and, visibility of the work, operator operated means for producing such movement to closethe press. power means effective upon said members to produce pressure applying and relieving operations, a general control means for throwing said power means on and oif, a second :means operatable by a movement distinct "from that of said operator operated means for controlling said power 'rneans in the application and relief of pressure, and a third-control means for -p-rejventing etfective'operation ofsaid sec- --0nd "control means until said operat ng means"hassubstantially closed :the press.
543.- -A pressing machine, comprising substantially coextensive pressing members relatively'movabletoward and from-each other ii-for the pressing' operation with relatively er access to wide separatrion therebetween;
and visibility of the work, operator operated means for producing such movement to close the press, electric power means effective upon said members to produce pressure applying and relieving operations, a main line switch for throwing said power means on and oil, a second electric switch operatable by a movement distinct; from that of said operator operated means for controlling said power means in the application and relief of pressure, and a third switch for preventing effective operation of said second switch until said operating means has substantially closed the press.
44. A pressing machine, comprising relatively movable pressing members, mechanism including a motor for producing pressure between said members, a rotatable switch operated in timed relation to the movement of the press for stopping the motor at the conclusion of the pressure producing operation, said switch being adjustable to vary the time of stopping the motor, and control means for said motor for initiating said pressure producing operation.
45. A pressing machine, comprising relatively movable pressing members, mechanism including an electric motor for effecting pressure producing and pressure re1iev ing operations of said pressing members, a commutating switch including concentrically arranged relatively rotatable contact members operated in timed relation to the movement of the press for stopping said motor at the conclusion of each of said pressure producing and pressure relieving operations, and control means for said motor for initiating said pressure producing and pressure relieving operations.
46. A pressing machine, comprising relatively movable pressing members, mechanism including an electric motor for effecting pressure producing and pressure relieving operations of said pressing members, a commutating switch including concentrically arranged relatively rotatable contact members operated in timed relation to the movement of the press for stopping said motor at the conclusion of each of said pressure producing and pressure relieving operations, said contact members being adjustable to vary the time of stopping the motor, and control means for said motor for intiating each of said pressure producing and pressure relieving operations.
47. A pressing machine, comprising rela-' tively movable pressing members, mechanism including an electric motor for effecting pressure producing and pressure relieving operations of said pressing members, a commutating switch including contact members operated in timed relation to the movement of the press for stopping said motor at the conclusion "of each of said pres sure producing and pressure relieving oper ations, said contact members corresponding respectively to the pressure producing and pressure relieving operations and being in dividually adjustable to vary the time of each of said operations, and control means for said motor for initiating each of said pressure producing and pressure relieving operations.
48. A pressing machine, comprising relatively movable pressing members, mechanism including an electric motor for effecting pressure producing and pressure relieving operations of said pressing members,
a commutating switch including contact members. operated in timed relation to the movement of the press for stopping said motor at the conclusion of each of said pressure producing and pressure relieving operations, said contact members corresponding respectively to the pressure producing and pressure relieving operations and being adjustable as a unit to vary the time relation of the same with respect to the conclusion of the pressure producing operation, and control means for said motor for initiating said pressure producing and pressure relieving operations. 7
49. A pressingm achine, comprising relatively movable pressing members, mechanism including an electric motor for effecting pressure producing and pressure relieving operations of said pressing members, a
commutating switch including contact members'operated in timed relation to the movement of the press for stopping said motor at the conclusion of each of said pressure producing and pressure relieving operations, said contact members corresponding respectively to the pressure producing and pressure relieving operations and being adjustable individually and as a unit to vary the time of each of said operations and the time relation of the switch with respect to the conclusion of the pressure producing operation, and control means for said motor for initiating said pressure producing and pressure relieving operations.
50. A pressing machine, comprising relatively movable pressing members, meclr anism for producing relative movement thereof including a rotatable member arranged to turn through a single rotation to I comprising a pair of curved contact segments concentrically mounted about the axis of the rotatable member, a contact ring mounted upon the rotatable member for rotation therewith, a contact s mean-Ml upon said rotatable member and in electric circuit with said contact ring, said shoe having wiping contact engagement successively with said contact segments, and a second contact shoe having fixed electric connection with one of said segments and adapted for wiping contact engagement with said contact ring, said segments corresponding to the pressure producing and pressure reliev ing operations respectively, and control.
means for said motor means for initiating each of said pressure producing and pressure relieving parts of the cycle.
51. A pressing machine, comprising relatively movable pressing members, mechanism for producing relative movement thereof including a rotatable member arranged to turn through a single rotation to produce a complete cycle of pressure producing and pressure relieving operations of said mechanism, motor means, a commutating switch centered about the axis of said rotatable member and operated thereby for stopping said motor means at the conclusion of each of the pressure producing and pressure relieving parts of the cycle, said switch comprising a pair of curved contact segments concentrically mounted about the axis of the rotatable member, a contact ring mounted upon the rotatable member for rotation therewith, a contact shoe mounted upon said rotatable member and in an electric circuit with said contact ring, said shoe having wiping contact engagement successively with said contact segments, and a second contact shoe having fixed electric connection with one of said segments and adapted for wiping contact engagement with said contact ring, said segments corresponding to the pressure producing and pressure relieving operations respectively, and the curvature of the far end portion of each of said segments, according to the direction of rotation, being of increased degree, and control means for said motor means for initiating each of said pressure producing and pressure relieving parts of the cycle.
In testimony whereof we aflix our signatures.
DANA H. BENJAMIN. EMIL J. CARROLL.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2644254A (en) * 1949-02-21 1953-07-07 David A Freeman Garment pressing machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2644254A (en) * 1949-02-21 1953-07-07 David A Freeman Garment pressing machine

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