US2956714A - Pressing machine - Google Patents

Description

` Filed' Jan. 7, 1959 s. Rost-:NTHAL ErAL PREssING MACHINE ,Oct 18, 1960 l2,956,714

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PREssING MACHINE Filed Jan. 7, 1959 3 Sheets-Sheet 3 M775 f fozran/ ,4 rra/PA/fys PRESSING MACHINE Samuel Rosenthal, deceased, late of Shaker Heights, Ohio, by Leighton A. Rosenthal, 2923 Glengary Road, and 'Charlotte R. Kramer, 18101 Shaker Blvd., executor aud executrix, both of Shaker Heights, hio, and

' the estate of Samuel Rosenthal Filed Jan. 7, 1959, Ser. No. 785,492

Claims. (Cl. 223-74) William C. Rupp, Parma, Ohio; said Rupp assiguor to This invention relates broadly to pressing machines, and more specifically to improvements iny machines for pressing the upper portion of a pair of washable work pants.

The invention further pertains to certain structural refinements and functional advantages over a prior Patent No. 2,845,205, entitled Pressing Machine, issued July 29, 1958, to Samuel Rosenthal (deceased).

One of the objects of the invention is to provide an` expansible arbor for supporting the hip portion of the pants in a position for pressing without undue strain on` the material thereof.

Another object of the invention is to provide a machine which is designed for automatic sequential operation after the operator places a garment thereon and tripsa y pair of valves to initiate the operative pressing cycle.

Another object of the invention is to provide a distensible arbor comprising a pair of opposed bucks having a. pair of pressing shoes. suspended therefrom, the assemfacture, and designed to facilitate the operation thereof with ease and dispatch.

Other objects and advantages more or less ancillary to the foregoing, and the manner in which all the various objects are realized, will appear in the following description, which considered in connection with the accompanying drawings, sets forth the preferred embodiment of the invention.

Referring to the drawings:

.Fig 1 is a view in perspective of the forward face of the machine; l

Fig. 2 is a perspective view of the rearward uppe portion of the machine shown in Fig. 1;

Fig. 3 is a front elevational view of a fragmentary portion of the operating mechanism for the expansive bucks that support the garment;

Fig. 4 is a front elevational view of the linkage assembly for the pressing shoes shown in their open or inoperative position;

Fig. 5 is a similar view of one of the shoes illustrated in its actuated or closed position;

Fig. 6 is a detail view, in perspective, illustrating the structural form and arrangement of the piston cylinder assembly and associated parts for one of the pressing shoes; and

Fig. 7 is a piping diagram for the compressed uid used to effect the operation of the various piston cylinder assemblies embodied in the machine.

.Referring first to Fig. 1, the pressing machine cornprisfes a base 10 having a pair of spaced vertical channel irons 11 thereon constituting a column and a horizontal arm 12 protruding forwardly from the top thereof and serving as a table for the support of the cylinder and valve control mechanisms therefor.

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of the arm 12 is provided with a subtended plate 13 having a divergent lower end portion 14 (Fig. 3), and a pair of lateral ears 15 in the top thereof for the pivotal support of a pair of links 16 pivotally connected to bucksv 17 oneither side of the plate 13. The bucks are hollow, the inner face thereof being contoured for intimate engagement with sides of the plate 13 and the divergent end portion 14 thereof. The outer faces of the bucks are curved outwardly, and the upper ends thereof terminate in arms 19 bent outwardly at obtuse angles adjacent their on apost 22 secured in a boss 23 in a cylinder head 24.,

'Ihe piston rod 25 for the piston in the cylinder 24 is provided with a clevis 26 for the support of a pair of links Y 27 pivoted, respectively, to the links 16. The upper ends of the arms 19 are formed with outwardly directed bifurcated ears 28, each pair of each having trunnions 29 therein for the pivotal support of cylinders 30. The ears further support a bar 31 of rectangular cross section, the outer ends of which are fulcrumed on pintles in their outer ends. yThe bar is rigidly connec-ted intermediate its ends to a rod 32 having an eye in the lower end thereof which is journaled on a pin 33 in a pair of spaced links 34 pivotally connected to a clevis 35 on the end of the piston rod 36 for the piston in the cylinder 30. The

clevis 35 is also pivoted to a second pair of spaced links.

37, pivoted in turn, to a lug 38 subtended from a pair of arms 39 mounted on pins 40 in theupper ends of thearms V19 and fulcrumed in bosses 41 on the outervfaces of i a pair of-hollow shoes 42 contoured for intimate engagement with the outer faces of the bucks 17. The fulcrum pins 33 for the links 34 further carry a yoked rod 45 pivoted on pins 46 in bosses 47 adjacent the lower ends of the arms 19.

The outer faces of the bucks 17 are covered withv a I fabric pad, and the outer Walls of the hollow shoes 42 are drilled and tapped for pipe fittings coupled withn exible hose sections (not shown) that communicate` with a source of steam.

As illustrated in Fig. 1, a pair of pants is mounted on the bucks 17, the fly thereofbeing closed by the operaton then held in a smooth flat position by a superposed pants fly pressing plate 49. The plate is provided with a rod. 50 mounted in bosses 51 on the outer face thereof, and the upper end of the rod is secured for lateral swinging, movement on a coupling 52 fulcrumed on a lateral shaft f 53 which is guided in a rectangular block 54 onthe .top

of the arm 12. The outer end of the shaft 53 is journaled in a bearing block 48 and the free end thereof carries a finger 55 having a cross plate on the end thereof which engages a roller 57 on an arm 58 of a limit switch 594 wired to an electric timer 60. The rotative movement of the pressing plate 49 winds a torsion spring 61 tele-- scopically engaged with the shaft 53 and anchored on TheA sleeve 62 is formed with an arm 63 thereon which is -A a fixed collar and a sleeve 62 on the shaft 53.

rigidly connected to a piston rod 64 on a piston in a cylinder 65 to effect lateral movement of the fly plate 49; The arm 63 further engages a cam lever 66 that actuates a plunger in a valve 67.

thereon closes the limit switch 59 and energizes a solcnoid 69 which effects the entry of compressed air into Patented oct. 1s, .1960.

The forward endl The operator next presses the valve plungers 70r mounted on a plate 71 superjacent the forwardend ofthe arm 12. These valves control the passage of pressure uid through a line 72 which shifts a pilot valve 73 (Fig. 7) to provide pressure through a line 74 to the upper end of the cylinders 30, thus actuating the piston therein and operation of the' linkagel associated with the arms39 and shoes 42. A pressure switch 75 is mounted in the line 74 which initiates the operation of the electric timer-V 60 and holds the shoes 42 inV their operative position' a' predetermined period of time. When the operative period of the timer expires, the solenoid valve 69is closedi and a solenoid valve 76 is opened, thus shifting the valves of the cylinders and the reverse movement of the pistons' therein. This operation effects the withdrawal of the shoes 42 from the bucks 17, the retraction of the' bucks,

the withdrawal of the pressing plate 49 from the garment,

applied to the bucks does not exceed thirty pounds (30 lbs.) which safeguards damage to the garment without limitation to the high pressure pressing eiort on the shoes.

Although the foregoing description is necessarily of a detailed character, in order that the invention may be completely set forth, it is to be understood that the specific terminology is not intended to be restrictive or confining, and that various rearrangements of parts and modifications of detail may be resorted to without departing from the scope or spirit of the invention as herein claimed.

What is claimed is:

1. A machine for pressing the upper portion of a pair of work pants from the crotch to the waistband, com prising a stationary column, a pair of opposed bucks supported thereon, an arm extension onthe upper end of each buck, a link pivoted at one end to the central portion of the wall of each buck and at their opposed end to said stationary column, a piston cylinder assembly on the top of said column, secondary links pivotally connected at one end to the piston rod of said piston cylinder assembly and at their opposed ends to the central portions of the rst named links, a stationary vertical post on said column, a collar slidably mounted thereon, third links pivoted at one end to said collar and at their opposed ends to said arm extensions on said bucks, a pair of hollow heated shoes movable into engagement with a pair of pants supported on said bucks, laterally spaced arms pivotally connected at one end to the outer faces of said shoes and pivoted at their opposed ends to said arm extensions of said bucks, lugs on said arm extensions normal thereto and intermediate the ends thereof, second piston cylinder assemblies pivotally connected to the upper ends of said arm extensions of said bucks, links pivoted at one end to the piston rod of said second piston cylinder assembly and pivoted Iat their opposed ends to said lugs, link rods pivotally connected to the ends of said buck arm extensions, yoked rods pivotally connected at one end to said buck arm extensions and at their opposed ends to said link rods whereby said shoes will swing away from said buck when said piston in said second piston cylinder assembly is retracted and swung towards said buck when said piston in said second piston cylinder assembly is distended, a lateral arm on said stationary column, a rotative and reciprocative shaft mounted on said arm, a rod depending therefrom, a fly pressing plate pivotally mounted on said rod, a torsion spring telescopically engaged with said shaft, a sleeve on said shaft connected to said'spring, an arm on said sleeve, a third piston cylinder assembly adjacent said arm on said sleeve, a valve adjacent said arm for the operation of`said1valve, operative connections between said valve` and said` third piston cylinder assembly for retracting said ily pressing plate, a second valve on said lateral arm of said column, a cam lever adjacent said arm on said sleeve operatively connected with said second valve to actuate the first named piston cylinder assembly and the movement of said bucks, and valve plungers mounted on said lateral arm of said column operatively connected with said second named piston cylinder assembly for actuation of said hollow heated shoes.

2. A pressing machine as set forth in claim l, which includes a pressure fluid valve coupled with the second named piston cylinder assembly, an electric timer switch controlled thereby, and a solenoid valve controlled by said timer switch for controlling the actuation of the second named piston cylinder assembly.

3. A pressing machine as set forth in claim l, which includes a limit switch on the fly pressing plate shaft, a solenoid valve controlled thereby, a valve controlled by said solenoid, said solenoid connected to the third piston cylinder assembly for the retraction of' said y pressing plate.

4. A machine for pressing the upper portion of a pair of work pants from the crotch to the waistband, comprising a stationary column, a pair of opposed bucks supported thereby, arms on the upper ends of said bucks, links pivoted to the central portions of said bucks and to said stationary column, a ram on said column, secondary links pivotally connected to the piston rod of said ram and to the central portions of the first named links, a vertical post on said column, a collar slidably mounted, third links pivoted to said collar and to said arms on said bucks, opposed heated shoes movable into engagement with said bucks, spaced arms pivotally connected to said shoes and pivoted to said arms on said bucks, lugs normal to the arms and intermediate the ends thereof, second rams pivotally connected to the upper ends of said arms of said bucks, links pivoted at one end to the piston rod of rams and to said lugs, secondary links pivotally connected to the piston rod of said second rams, link rods pivotally connected to said buck arms, yoked rods pivotally connected to said buck arms and to said link rods whereby said shoes will swing away from said buck when the piston in the second ram is retracted and swing the shoes towards said buck when said piston in the second ram is distended, a lateral arm on said stationary column, a rotative and reciprocative shaft mounted on said arm, a fly pressing plate mounted on said shaft, a third ram adjacent said shaft, a valve adjacent said arm operatively connected thereto, the piston in said third ram being adapted to retract said fly pressing plate upon actuation of said valve and plunger, valves on said lateral arm of said column operatively connected with said second named ram to actuate the movement of shoes.

5. A pressing machine as set forth in claim 4, including a valve, a control arm therefor on the y pressing plate shaft, and means connected thereto for distending the bucks.

References Cited in the lle of this patent UNITED STATES PATENTS 2,834,523 Maxwell et al May 13, 1958 2,845,205 Rosenthal July 29, 1958

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