US2128008A

US2128008A - Washing machine

Info

Publication number: US2128008A
Application number: US748003A
Authority: US
Inventors: David A Meeker
Original assignee: Hobart Manfacturing Co
Current assignee: Hobart Manfacturing Co
Priority date: 1934-10-12
Filing date: 1934-10-12
Publication date: 1938-08-23
Anticipated expiration: 1955-08-23

Description

Aug. 23, 1938. D. A. MEEKER WASHING MACHINE Filed Oct. 12, 1934 4 Sheets-SE61. l

Aug. 23, 1938. D. A. MEEKER 2,128,008

WASHING MACHINE Filed Oct. 12, 1934 4 Sheets-Sheet 2 3+ lA'lli/VTUR aw-4C Q M6 7'71. Fig. 5 A fro/WE Y5 Aug. 23, 1938. D, A, MEEKER 2,128,008

WASHING MACHINE Filed Oct. 12, 1954 4 Sheets-Sheet 3 IN VENT OR Y 49W 2 mwm i l 6 )Wm JIM-v ATTORNEY Aug. 23, 1938.

D. A MEEKER WASHING MACHINE 4 Sheets-Sheet 4 Filed Oct. 12, 1934 Patented Aug. 23, 1938 VPATENT OFFICE WASHING MACHINE David A. Meeker, Troy, Ohio, assignor to The Hobart Manufacturing Company, Troy, Ohio,

a corporation of Ohio Application October 12, 1934, Serial No. 748,003

22 Claims. (Cl. 141-9) This invention relates to washing machines.

One of the principal objects of the invention is the provision of a washing machine of simple and compact construction, in which the articles to be washed may be readily inserted within and withdrawn from the machine.

Another object of the invention is the provision of a washing machine having a casing, and a movable cover member which is adapted to efiectlvely retain the washing fluid within the easing during operation, and is adapted to be read- 11y moved to an open position substantially within the horizontal confines of the casing to permit access thereto.

Another object of the invention is the provision of a washing machine of this character having simple and effective means for supporting racks or other articles within the casing while permitting the cover to be moved within the casing to positions beneath the rack supporting means.

Another object of the invention is to provide a washing machine of this character having a pivoted cover adapted to be readily rocked to positions permitting access to either of opposite sides of the casing.

Other objects and advantages of the invention will be apparent from the following description, the accompanying drawings and the appended claims.

In the drawings, which disclose preferred embodiments of the invention-- Fig. 1 is a vertical sectional view of a washi lg machine constructed in accordance with this invention;

Fig. 2 is a plan view of the machine illustrated in Fig. 1; the cover member being partly removed for clearness of illustration;

Fig. 3 is a fragmentary vertical sectional view taken on the plane of the line 33 of Figs. 1 and 2; 4

Fig. 4 is a vertical sectional view of a somewhat modified form of washing machine of this character;

Fig. 5 is a plan view of the machine illustrated in Fig. 4; the cover member being partly removed for clearness of illustration;

Fig. 6 is a fragmentary vertical sectional view taken .on the plane of the line 6-8 of Figs. 4 and 5; and

Fig. 7 is a sectional view of the trunnion as indicated at of Flg. 2.

A washing machine of approved construction embodying the invention has an open-top tank containing washing mechanism and a support for the articles to be washed whose supporting surface is located on the level with the upper edge of the tank. Above the tank is supported an open-bottom casing providing a chamber in which the articles to be acted upon by this washing mechanism are placed. To permit access to the 5 washing chamber, this casing is so supported that it maybe tilted to bring one of its edges well above the top of the tank, while, at the same time, the opposite edge of the casing moves downwardly into the tank so that the center of gravity of the whole casing is only slightly raised. It is, therefore, possible to tilt the casing with little efiort, and no counter-balancing means are required.

To permit one edge of the casing to move down into the tank, I mount the support for the articles ence designate like parts throughout the several views thereof, illustrate in Figs. 1, 2 and 3 a washing machine of this character having an open top tank structure In suitably supported upon legs I I and having a. movable casing or cover member I! which serves as a closure for the open top tank I and, when in closed position, cooperates therewith to provide an enclosed washing compartment. Rack supporting tracks I l are provided within the tank, preferably at about the plane of the top edge ii, for the reception of trays or racks or similar containers for articles to be washed. Suitable washing heads are provided which are adapted to spray fluid jets upon the articles to be washed and, as shown, include a rotary wash arm 20 and rinse jets, one of which is shown at 2|. The rotary wash arm consists of a hollow member provided with radial arms having nozzles, some or all of which may be inclined so as to cause rotation of the wash arm by the reaction force of water discharged from the nozzles.

The tank I0 comprises vertically extending end walls 22 and side walls 22', and an inclined bot- 50 tom wall 23 so shaped as to direct the liquid contents of the tank into a sump 24 which may be formed as an integral part of the tank II. At the junction of the sump 24 and tank I0 9. suitable supporting ledge 25 is provided for the reception of a removable strainer 26 having a perforate bottom member 21 for the collection of solid material dislodged during the washing operation. A suitable drain, such as the threaded outlet 23, is provided to which a pipe connection may be attached for draining away the washing or rinsing liquid. As shown, a stand pipe 30 is provided at the outlet 28 so that a proper level of washing liquid may be maintained in the sump 24 during washing operation. The stand pipe 80 is provided with a tapered end 3| snugly received within a tapered socket formed in the bottom wall of a sump 24 immediately above the threaded portion 28 for the ready attachment and detachment of pipe 30 and to provide a watertight joint to prevent the unintentional escape of washing liquid. The stand pipe 3|) is provided at its upper end with an opening or overflow outlet through which water, grease, scum, and the like, may pass upon exceeding the predetermined desired level within the sump 24. The pipe 30 is formed with a baille 32 spaced above the overflow outlet and providing a handle for the pipe.

A circulating pump 33 having suitable driving means, such as the motor 34, is provided for the circulation of washing liquid and actuation of the wash arm 20. As shown, one side of the tank structure ill opposite sump 2i is left open, and the motor 34 and pump 33 are mounted within this space so that access is readily had thereto, the motor being supported upon a shelf 35 carried by the tank I and legs H. The pump 33 is provided with a suction inlet 36 extending through an opening in the side wall of sump 24 into lower portion of the sump 24 through which, during actuation of the pump 33, washing liquid will be drawn for discharge through pump outlet 33. The suction inlet is formed with an attaching flange 36 adapted to be bolted in liquid tight relation about the opening through the sump wall. The upper portion of pump outlet 38 is flanged as indicated at 38' for attachment to the flanged end 39' of a pipe 39 extending through an opening in the lower inclined wall 23 of the washing compartment of the tank Ill. Preferably bolts pass through flanges 33 and 33' and into a shouldered portion of wall 23 to close the opening through which pipe 39 passes. Mounted in pipe 39 and held in place by nut II is a rod 42 providing a bearing for supporting the wash arm 2|). The upper end of pipe 39 communicates with a central opening in the rotary wash arm to provide passages for the flow of water from pipe 38 to the wash arm 20. During operation of the device, water is circulated by the pump from the sump to the wash arm where it is discharged at high velocity against the articles to be washed, drains from the tank into the sump, and is again recirculated by the pump.

The rinse arm 2| is preferably of rotary type generally similar to the wash arm 20 and, as shown, is pivotally supported at 43 from a pipe structure 44 which may be connected to a suitable source of supply of rinsing water.

To permit easy handling of the articles to be washed they are preferably placed within the machine in suitable racks such as illustrated at 45; these racks being of such size as to be readily received upon the track structure it of the washing machine. Suitable rack supporting tables or shelves shown at 4B are shown provided at substantially the level of the track structure so that the article carrying racks 45 may be moved easily, and without lifting, into and out of the washing machine. Suitable connecting brackets 41 may be provided, as shown, for supporting the tables 45 from the tank structure Ill. As shown, the track structure ll comprises rack supporting rails 50 which are preferably of angular cross section having horizontally extending portions for the support of the racks or trays and upstanding portions 52 for the guidance of the racks. Suitable supporting means are provided for the track structure and are shown as vertically extending arms or uprights 54 suitably attached to the track members 50, as by means of rivets 55, and supported at their opposite ends 58 within projections 51 which are preferably formed integrally within the tank structure Ill. The projections 51 are preferably of socket like form within which the portions 56 may be securely held for the support of the track structure I, and from which they may be readily withdrawn when it is desired to remove the structure ll from the machine, as for the purpose of cleaning it. The vertical supports 54, which are attached to the track structure near the middle of its sides. are offset, as shown more clearly in Fig. 3, from the side walls of the tank a suflicient distance to permit the sides of the tilting casing to enter between them and the side walls of the tank. At the same time, these supports 54 are near enough the sides of the tank to clear the wash arm. The rails 5|! of the structure it are shown shorter in length than the width of the tank in so that a clearance space is provided between the ends of the members 50 and the upstanding walls of the tank for the passage of the cover member l2 of which a portion is adapted to be received within the tank when it is moved to open position. The vertically extending portion of the rinse pipe 44 is preferably arranged at the side of the tank intermediate the vertical planes passing through the spaced trunnion axes. This pipe as shown is within and adjacent the side wall of the cover member, and. passes upwardly between the cover and the side rail 50.

The cover member I2 is preferably of approximate semi-cylindrical form and is shown substantially semicircular in cross section. The curved shell or circumferential portion Gil is provided with parallelly extending end portions iil which merge gradually into the curved portion 60 to provide a structure of sufllcient depth within the limited confines of the radius of the member 60. The cover structure is completed by parallel side walls 52. The shape of the cover member I2 is proportioned to serve as a deflecting surface so that jets of wash water striking the cover will be directed back against the articles being washed. Spaced sets of trunnions 53 are carried by the opposite side walls 62. The trunnions provide parallel axes which are preferably spaced an equal distance on opposite sides of a vertical plane extending longitudinally through the center line of the cover l2 and provide pivotal supports upon which the cover member l2 may be rotated to provide an opening at either of opposite ends of the machine. The cover member i2 is supported above the tank Ill by means of suitable bearing brackets 64 which are mounted on the tank l0. As shown, the brackets 64 comprise yokelike bearing seats 65 within which the trunnions may be received; the bearing seats being open outwardly and inwardly so that as the casing i2 is moved the one pair oi. trunnions 53 may rotate in the corresponding bearing seats 55 while the opposite pair of trunnions may move upwardly in a curved path without interference from the supporting seats.

The cover mounting is such as to permit free cover movement without the objectionable noise of metal to metal impact upon closure. As shown.

particularly in Fig. 'l, a trunnion 83 is constructed as a cylindrical stud IN] having an end flange III which is fixed to the cover side wall 52. Rotatably mounted on the stud H0 is a metal sleeve H2 which has on its outer surface a yielding material such as an encircling band of rubber H3. The rotatable part is held in place on the stud by provision of a washer ill that is attached to the stud end by a screw iii. The washer is preferably somewhat smaller in diameter than the rubber band and, as shown, is substantially the same diameter as the metal sleeve. Free rotation is afforded by movement of the trunnion stud on the metal sleeve, and freedom from the noise of metal to metal impact upon closure of the cover is provided by engagement of the yielding rubber band with the trunnion support or bracket 84.

The cover I! is provided with suitable handles or grips Gil by which it may be moved. The handles 88, positioned at opposite ends of the casing portion Bil, are provided with lugs 69 which, in open position of the cover member l2, areadapted to engage the lip ii of the tank Ill to limit the movement of the cover member. The edges of the tank and the edges of the cover member which are parallel to the tilting axis of the cover member are termed herein for purposes of description the "ends of these respective parts, and the edges of the tank and cover member which are perpendicular to the tilting axis are termed the "sides"; but it is to be understood that this implies no limitation as to the dimensions or shape of these parts. The trunnions 83 are positioned so that as the cover member is moved to open position, the balance of weight, or center of gravity, of the cover member will be shifted to a position to the outside of the supporting trunnions 63 to maintain the cover member in open position.

Suitable limiting means are incorporated in the open ends of the bearing seats 85 to prevent movement of the cover I! beyond the normal open positions determined by the lugs 69. As shown, the limiting means comprise curved latching recesses 12 which extend from opposite sides of the trunnion supporting members 64 and are so positioned that as the cover l2 rocks about one pair of trunnions as a pivot the opposite pair may move out of engagement with the bearing seats without resistance. Should the cover be thrown or pushed open with considerable force,

such as would tend to cause the trunnions 03'. to bodily move out of their bearing seats 85' about the point of engagement of the stop 88 with tank III as a pivot, such movement beyond the normal open position is restrained by engagement of the trunnions GI within their latching recesses 12. In closed position the downwardly extending edges of the cover member II, as designated by the numeral 13 for the end portions GI and the numeral II for the side walls 62, extend within the open top of the tank ID, as defined by the lip I5, an amount sufllcient to provide an effective seal against the passage of washing fluid during operation of the machine even though the cover member does not actually contact with the tank in. As shown, the end portions 22 adjacent the lip it are flared outwardly at 15 to receive the edges ll of the cover member. The configuration or curvature of the surfaces 15 is such that any water from the jets or splashed against the surfaces will be deflected into the tank and will not pass through the clearance opening between the edges II-N and the lip 15. when the cover member is moved fromclosed position to an open position, one of the ends 6| moves downwardly into the tank l0 while the opposite end it moves upwardly to provide an opening approximately equal to the height of the washing chamber as defined by the cover member in closed position. The end Iii that is received within the tank moves downwardly between the lip ii of the tank and the adjacent overhanging end of the track 50, passes under the path of travel of the overhanging end of the wash arm 20, and comes to rest when the lug 69 contacts with the lip ii; the degree of opening being limited to avoid contact with the supporting members 54 of the track.

By providing a cover member with parallel spaced trunnions, which permit the cover member to open to either of opposite ends, articles to be washed may be inserted within the machine at one end and, after washing, may be readily removed from the opposite end of the machine by merely shifting the cover member l2. This arrangement of parts permits the washing machine to be installed against a wall of a room and requires for its installation a space substantially equal to the horizontal dimensions of the tank structure since the cover member, in open position, is received within the tank and stands substantially within the confines of the tank area. When it is desired to disassemble the machine, as for the purpose of cleaning it, the entire cover member I! may be easily removed by merely lifting the trunnions 83 out of engagement with the yoke like supporting bearings 64. The track structure I! and the strainer 28 may then be lifted out. Removal of the stand pipe Mi permits the sump 24 to drain so that the entire interior of the machine is then exposed and readily accessible.

Referring now to Figs. 4, 5 and 6, a machine is shown of a type which is adapted for use in restricted areas, such as when positioned with its back to a wall or in a corner of a room so that the interior may be reached from only one end. The machine is provided with a cylindrical open bottom casing or cover member Ill having an upper wall of substantially semi-circular cross section comprising a curved surface It and opposed parallel side walls 82 upon which are provided aligned trunnions ll positioned to one side of a vertical plane extending through the longitudinal center line of the cover 80. Suitable brackets 86 are provided on the tank II for the pivotal support of the trunnions II and to permit the cover to be moved from a closed position, in which the open top of the tank is enclosed, to a position providing an opening which is approximately equal to the height of the wash chamber as defined by the cover member when in closed position. As shown, the upper portion of the tank IB' isprovided with a ledge II having a portion extending across the front end 22 of the tank, and continuing portions 8! which extend along opposite sides 22' of the tank to points short of the vertical plane passing through the trunnion axis. The upper surface of this ledge is below the top edge of the tank, and the bottom edge I! of the cover in closed position lies just over the surface of the ledge, providing a substantially leak-proof construction about this portion of the tank and cover, and at the same time providing freedom of upward opening movement of this part of the cover. The portions 8! of the ledge along the sides of the tank terminate as shown at about the vertical plane of the trunnion axis, so that the rear end of the cover is permitted to freely move down into the tank. To the rear of the vertical plane passing through the trunnion axis, the open edge of the tank I is provided with an inturned flange which, in closed position of the cover member, is. engaged by an outwardly turned flange extension ll of the cover member. The inturned flange iii of the tank and the outturned flange H of the cover member extend across the rear edge of these parts and thence forwardly to approximately the vertical plane passing through the trunnion axis. The overlapping of flanges 10 and H provides an eflective seal between the tank and cover member to restrain the passage of washing liquid at this portion of the respective parts. A suitable handle 93 is provided on the cover member for convenience in moving the cover member. The trunnions 84 are so positioned and the curvature of the cover member portion Bi is so proportioned that as the cover member is moved to open position the balance of weight or center of gravity will move to a position beyond the trunnion pivot point so that the cover member will be maintained in open position and will be held in such position by engagement of the surface of the portion Bi with the inner surface of dense III of the tank III.

A rack supporting track structure I4 is provided and, like the structure I4, is readily removable. As shown, the track structure ll comprises parallel horizontally extending rails 90 having upturned flanges 9| for the guidance of a rack 45 and is provided with a limiting rear flange 92 which limits the insertion of a rack to a position substantially central within the washing machine. The tracks 90 are preferably positioned at a level about or slightly above the plane of the open edge of the tank ill so that racks may be inserted or withdrawn without the necessity of lifting them over the edge of the tank. A suitable shelf extension 91 may be attached to the tank structure of the machine and positioned at the level of the tracks 90 to aid in the handling of the dish carrying racks. The track structure it is shown supported by means of spaced members ill that extend forwardly toward the front of the tank and terminate in end portions 95 that are telescopically received within suitable horizontal sockets 98 provided adjacent the ledge 88 at the rack receiving side of the tank, and by laterally proiecting members 98 that extend from the opposite sides of the track structure and terminate in end portions 99 that are received by a downward interfltting movement within sockets or grooves I00 formed in the upper faces of the ledge portions 88'. The rack support is thus in the form of a cantilever having an overhanging rear end which permits free passage of the adjacent portion of the cover member down within the tank beneath this overhanging end of the support, and beneath the path of travel of the overhanging end oi the wash arm. The side rails 80 of the rack supporting structure are spaced inwardly from the inner surface of the side walls or the tank so that the lower edges of the sides of the cover member fit within and between these rails and the side walls of the tank when the cover is in closed position. The track structure H may be readily disengaged from mounted position by vertical withdrawal of the members 08 from the supporting grooves I00 followed by a horizontal rearward movement of the structure I4 to disengage the members from the sockets 95. The vertically extending portion of the rinse pipe 44 is preferably arranged as shown at the side of the tank adjacent the vertical plane of the trunnion axis. This pipe extends upwardly within the side wall of the cover member, passing between the cover member and the side rail 80. The remaining parts of the washing machine are generally similar to corresponding parts described for Figs. 1, 2 and 3.

There is thus provided a washing machine of compact construction having an easily accessible washing compartment, and which is adapted for installation in positions, such as against a wall, which permits efllcient utilization of kitchen space. The cover member of the machine is so arranged that it may be opened to a position substantially equal to the height of the wash chamber, and is maintained in such position by its own weight while standing substantially within the floor area of the machine. Articles to be washed may readily be inserted within and withdrawn from the machine on an easily removable track structure which is so positioned as to avoid interference with the cover member which, in open position, is adapted to be received within the cas ing. Simple and effective means are provided for retaining the washing fluid within the machine during operation. A construction is provided which permits the machine to be readily disassembled for cleaning.

While the forms oi apparatus herein described constitute preferred embodiments of the invention, it is to be understood that the invention is not limited to these precise forms of apparatus, and that changes may be made therein without departing from the scope of the invention which is defined in the appended claims.

What is claimed is:

1. In a washing machine, an open top tank, a pivotaliy mounted open bottom casing providing a unitary hollow cover member therefor, trunnions for said cover member, and cover supporting means for receiving said trunnions for pivotal movement therein and opening upwardly for free removal of the trunnions, said trunnions and said cover supporting means being positioned on opposite sides of said tank intermediate the ends of the tank, said cover member being adapted to pivot as a unit about said trunnions to raise one end above the top of said tank and lower the remote and into the tank.

2. In a washing machine, an open top tank, an open bottom casing providing a unitary hollow cover member therefor, trunnions for said cover member, supporting means for said trunnions, said trunnions and supporting means being positioned on opposite sides of said tank intermediate the ends thereof and providing a pivotal axis for said cover member, said cover member being adapted to pivot as a unit about said axis to raise one end above the top o i said tank and lower the remote and into the tank, said axis being positioned between a central vertical plane passing through the cover member and said remote end of the cover member to provide a path of movement for the cover member in which said first mentioned end travels through an arc of greater radius than said remote and upon movement of the cover to an open position.

3. In a washing machine, an open top tank, an open bottom casing providing a unitary hollow cover member therefor, trunnions for said cover member, and supporting means for said trunnions, said trunnions and supporting means being positioned on opposite sides of said tank above the top thereof and offset intermediate the ends of said cover member from the central vertical plane passing through said cover member, said cover member being adapted to pivot as a unit about said trunnions from a closed position to an open position in which the end thereof most distant from said trunnions is raised a substantial distance above the top of said'tank and the opposite end extends a substantially less distance into said tank.

4. In apparatus of the character described, an open top tank, a pivotally mounted open bottom unitary cover member therefor, trunnions for said cover member, supporting means for said trunnions, said trunnions and supporting means being positioned on opposite sides 01 said tank intermediate a central vertical plane passing through said cover member and an end of the cover member, said cover member being adapted to be moved on said trunnions from a closed position to an open position in which the end thereof most distant from said trunnions travels in an arc of relatively large radius and is raised a substantial distance above the top of said tank and the opposite end moves through an arc of smaller radius and extends a substantially less distance into said tank.

5. In a washing machine, an open top tank, rack supporting means mounted therein at substantially the level of the open top of said tank, a unitary cover member therefor having substantial depth to receive in closed position a rack 01 articles to be washed carried by said rack supporting means, trunnions for said cover member, supporting means for said trunnions, said trunnions and supporting means being positioned on opposite sides of said tank intermediate 9. central vertical plane passing through said cover member and an end of the cover member, said cover member being adapted to swing on said trunnions from a closed position to a position in which the end thereoi. most distant from the trunnions is raised a substantial distance above the top of the tank to provide a space for the insertion into and removal from said washing machine of a rack containing articles and the cover member is maintained open by an over-balance of weight to one side of said trunnions, and the opposite end of said cover member extends a substantially less distance into said tank.

6. In a washing machine, an open top tank having substantially straight side walls and having end walls provided with outwardly flared portions at the top, article supporting means positioned within the horizontal confines of said tank and substantially at the level of the open top of the tank, a cover member for said tank, said cover member comprising a unitary open bottom structure, means supporting said cover member for pivotal movement in which one end is raised above the top of said tank and the opposite end moves downwardly into the tank, the lower edges of said cover member in closed position being re ceived within the side walls and the outwardly flaring portions of the end walls of said tank, the ends oi said cover member being spaced from said outwardly flaring portions of the tank end walls and said flaring portions extending outwardly at angles suiilclent to permit the end of the cover member to move downwardly into the tank.

'7. In a washing machine, an open top tank, a rotatable wash arm positioned within said tank, supporting means for said wash arm, article supporting means positioned within the horizontal confines of said tank, a pivotally mounted open bottom casing providing a unitary cover member for said tank, trunnions for said cover member, supporting means for said trunnions, said trunnions and supporting means being positioned on opposite sides of said tank intermediate the ends of said cover member, said cover member being adapted to be moved on said trunnion supporting means from a closed position to an open position in which a portion of the cover member is received within said tank and beneath said wash arm and article supporting means.

8. In a washing machine, an open top tank, a pivotally movable cover member for said tank, several spaced sets of trunnions for said cover member providing several spaced parallel axes, supporting means for receiving said trunnions ior pivotal movement therein and opening upwardly for free withdrawal of either of said sets of trunnions as the cover member is pivoted on the other set; said cover member being adapted to be moved upon either of said spaced sets of trunnions to provide an opening at either of the opposite ends of said tank.

9. In a washing machine, an open top tank, a pivotally movable cover member for said tank, several spaced sets of trunnions for said cover member, supporting means for said trunnions providing several spaced parallel axes positioned above the horizontal plane of the open top of the tank and at opposite sides of a central vertical plane passing through said cover member parallel to the axes, said cover member being adapted to be moved upon either of said spaced sets of trunnions to provide an opening at either of opposite sides of the tank.

10. In a washing machine, an open top tank, a pivotaliy mounted cover member for said tank, several spaced sets of trunnions for said cover member, supporting brackets for said trunnions providing several spaced parallel axes, said supporting brackets comprising hook shaped members so proportioned and arranged as to permit one set of trunnions to move out or their respective supporting brackets as the other set of trunnions is rotated within their respective set of bearing brackets, said hook shaped brackets having latching recesses for retaining the respective set of trunnions therein upon pivotal opening movement of said cover.

11. In a washing machine, an open top tank, comprising vertically extending side and end walls and a bottom wall, a rotatable wash arm positioned within said tank, supporting means for said wash arm, rack carrying means comprising tracks adapted to receive an article carrying rack thereon, said rack carrying means being positioned within the horizontal confines of said tank and terminating short of said end walls, supporting arms for said tracks, socket members on said tank for receiving the ends of said arms, a pivotally mounted open bottom cover member for said tank, trunnions for said cover member, supporting means for said trunnions, said socket members and trunnion supports being positioned on the sides of said tank extending parallel to the direction of the rack track, said trunnions and supporting means being positioned intermediate the ends of said cover member, said cover member being movable upon said trunnions from a position in which the open bottom of the cover member is received within the clearance space between the tank walls and the ends of the rack carrying means to an open position in which a portion of the cover member is received within the tank and beneath the wash arm and rack carrying means.

12. In a washing machine, an open top tank 6 aieaoos comprising side and end walls and a bottom wall, a rotatable wash arm positioned within said tank, supporting means for said wash arm, rack carrying means comprising tracks adapted to receive an article carrying rack thereon, said tracks being positioned within the horizontal confines oi" said tank and terminating short of said end walls, supporting arms for said tracks, socket members within said tank for receiving the ends of said arms, a pivotally movable open bottom cover member for said tank, several spaced sets of trunnions for said cover member, supporting means for said t'runnions providing several spaced parallel axes therefor, said socket members and trunnion supports being positioned on the sides of said tank extending parallel to the direction of the rack tracks, said trunnions and supporting means being positioned intermediate a central vertical plane passing through the cover member parallel to said axes and each end of the cover member, said cover member being movable upon either of said spaced sets of trunnions from a position in which the open bottom of the cover member is received within the clearance space between the tank walls and the ends of the rack carrying means to an open position at either of opposite ends of the tank in which a portion of the cover member is received within the tank and beneath the wash arm and rack carrying means.

13. A washing machine having an open top tank, washing mechanism in the tank supported from the bottom of the tank and having an overhanging end, a support for the articles to be washed mounted in the tank substantially on a level with the upper edge of the tank and having an overhanging end, an open bottom casing mounted above the tank to provide a washing chamber enclosing articles on said support and means supporting said cover member for tilting movement to raise one of its edges and move its opposite edge into the tank under the overhanging ends of the washing mechanism and the support.

14. In a washing machine, an open top tank, a support for the articles to be washed, located near the top of the tank, secured to the tank near its middle and having overhanging ends extending towards the opposite ends of the tank, an open bottom casing supported above the tank to provide a washing chamber enclosing articles on said support and means supporting said cover member for tilting movement in either direction to an open position to permit access to the wash-= irrg chamber and to bring its end edges into the tank below the overhanging ends of the support.

15. In a washing machine, an open top tank, a rotary wash arm mounted in the tank, a support for the articles to be washed, said support comprising upright members secured in the tank near its bottom and adjacent to, but spaced from, the middle portions of the side walls of the tank. and track members mounted on said upright members and projecting beyond them towards the ends of the tank, an open bottom casing providing a washing chamber above said article support, means supporting said casing for tilting movement about an axis intermediate the casing ends, said casing having curved end walls adapted to enter the tank below the rack carrying track members and said wash arm, and flat side walls adapted to enter the tank between the side walls of the tank and the track members upon tilting movement 01' the casing.

16. In a washing machine comprising a tank and a cover pivotally movable to a closure position with respect to said tank, a cover support comprising trunnion receiving means, and trunnions on the cover providing two pivot axes therefor and spaced for selective pivotal movement of the cover on either of the axes, said trunnions each comprising a stud fixed to and projecting from the cover, and a. rotatable sleeve on the stud having a yielding surface layer receivable in the cover support.

17. In a washing machine comprising a tank and a cover pivotally movable to a closure position with respect to said tank, a cover support comprising trunnion receiving means, and trunnions on the cover providing two pivot axes therefor and spaced for selective pivotal movement of the cover on either of the axes, said trunnions each comprising a stud fixed to and projecting from the cover, a metal sleeve rotatable on the trunnion stud, and an encircling band of yielding rubber on the sleeve receivable in the cover sup- DOrt.

18. A washing machine comprising an open top tank, a rack carrying track standing at substantially the level of the tank top and positioned within and spaced from the tank side walls, supporting means for the track positioned remotely with respect to an end of the track and a-flording a cantilever overhang thereof, socket means on the tank for reception of the track supporting means aflording tree upward withdrawal oi the track and holding the supporting means to restrain tilting thereof upon application of a load to the overhanging end, an open bottom cover adapted in the closed position to enclose a rack on the track, and means supporting the cover for tilting movement to an open position in which an end of the cover moves upwardly for access to the track and the opposite end of the cover moves downwardly within the tank and beneath the overhanging end 01' the track.

19. A washing machine comprising an open top tank, a rack carrying track standing at substantially the level of the tank top and positioned within and spaced from the tank side walls, supporting means for the track positioned remotely with respect to an end of the track and affording a cantilever overhang thereof, socket means on the tank for reception of thetrack supporting means aflording free upward withdrawal of the track and holding the supporting means to restrain tilting thereof upon application ot a load to the overhanging end, an open bottom cover above the tank having curved end walls adapted to enter the tank below the rack carrying track members and flat side walls adapted to enter the tank between the side walls of the tank and the track members. said cover standing in the closed position with the bottom edge portion telescopically interfltting the tank exteriorly oi the said track, and means supporting the cover for tilting movement to open position in which an end of the cover moves upwardly for access to the track and the opposite end 01' the cover moves downwardly within the tank and beneath the overhanging end ofthe track.

20. In a washing machine, an open top tank, an open bottom casing providing a unitary hollow cover member therefor, trunnions for said cover member, supporting means providing fixed pivots for said trunnions, said trunnions and supporting means being positioned on opposite sides of said tank intermediate the ends thereof, said cover member being adapted to move as a unit about said pivots to raise one and above the top of said tank and lower the remote end into the tank, said pivots being positioned between a central vertical plane passing through said cover within the tank and beneath the overhanging end or the track.

22. A washing machine comprising an open top tank having an internal ledge near the top of its member and said remote and of the cover memfront wall and the front portions of its side walls 5 her to provide a path of movement for the cover and an inturned flange at the top of its rear wall member in which said first mentioned end travels and the rear portions of its side walls, a rack carthrough an are or greater radius than said remote rying track standing at substantially the level of end ,upon movement of the cover to an open the tank top and positioned within and spaced position. from the tank side walls, supporting means for 10 21. A washing machine comprising an open top the track positioned remotely with respect to the tank, a rack carrying track standing at substanrear end 0! the track and aiiording a cantilever tially the level or the tank top and positioned overhang at said rear end thereof, socket means within and spaced from the tank side walls, supon the tank for reception of the track supportporting means tor the track positioned remotely ing means afiording free upward withdrawal of 15 with respect to an end of the track and aiiording the track and providing for holding the supa cantilever overhangthereoi', said track supporting means to restrain tilting thereof upon porting means comprising an arm extending forapplication or a load to the overhanging end, an wardly from the end of said track opposite to said open bottom cover having an outturned flange at overhanging end and a laterally extending arm its lower rear edge portions, said cover being 0 positioned remote from both ends of the track, adapted in the closed position to be received withsocket means on the tank for reception of the in the confines of said tank with its lower front track supporting means aii'ording free upward edge portions resting adjacent said ledge and its withdrawal of the track and providing for holdflange engaging the flange on the tank to provide ing the supporting means to restrain tilting an enclosed washing chamber above the track, 25 thereof upon application of a load to the overand means supporting the cover for tilting movehanging end, an open bottom cover adapted in ment to an open position in which the front end the closed position to enclose a rack on the track, of the cover moves upwardly for access to the and means supporting the cover for tilting movetrack and the opposite end of the cover moves ment to an open position in which an end of the downwardly within the tank and beneath the 30 cover moves upwardly for access to the track and the opposite end of the cover moves downwardly CERTIFICATE Patent No. 2,128,008.

overhanging end of the track.

DAVID A. MEEKER.

OF CORRECTION.

August 25, 1958- DAVID A. MEEKER,

It is hereby certified that error appears in the printed specification of the above numbered patent requiring correction as follows: Page 1, second column, 1ine'20, for the word "moved" read move page 2, second column, line 67, for "outwardly" read upwardly; and that the said Letters Patent shouldbe read with this correction therein that the same may conform to the record' of the case in the Patent Office.

Sigaed and. sealed this 11th day of October, A. D. 1958.

Henry Van arsdale Acting Commissioner of Patents.