US1695065A - Washing machine - Google Patents

Description

Dec. 1l, 1928.

s. E. scHRoEDER l WASHING MACHINE Filed Aug- 21. 1926 "2 Sheets-Sheet l Tia- 1 39 ATIDENEYE s. E. SCHROEDER WASHING MACHINE F11ed Aug. 21. 1926 z sheets-snee: 2

ATTORNEYS i Patenten Dec. 11,1928.

UNITED STATES PATENT ol-Elea smoN n. scnnonnnn, or NEWTON, Iowa, AssIGNon, BY MEsNE ASSIGNMENTS, To

AUTOMATIC? WASHER WARE.

COMPANY, NEWTON, IOWA, A CORPORATION OF DELA- WASHING MACHINE.

nppneationniea August 21, 192e. serial Np. 130,624.

This invention relates to washing machines, and more particularly to washing machines of the dolly type, the same having an overhead or above-the-cover drive. One of the objects of the invention is in the provision of a washing machine of the dolly type, the same having a simplifieddriving means therefor, saiddriving means including such rackmechanism and means for re- O clprocating same as obviates' the necessity of raising the rack prior to the lifting of the Washing machinelid.

Another object is in the provision of driv-A 4 ing means for 4the dolly of a washing machine, said driving means being of such nature as to permit raising of the lid portion without first 'a manual manipulation of a part ofthe drivin mechanism.

till another object is in the provision of a dolly type of washing machine, the same having an above-the-lid driving mechanism, said mechanism being so associated with the lid portionand means for reciprocating same, as to permit the manual raising and lowering of the lid portion with a coincident automatic release and engagement of the rack andv driving means for reciprocating same.

A further obj ect is in the provision of a special driving mechanism for the dolly of a washing machine, said driving mechanism including a speciallyformed rack bar disposed on the upper surface ofthe washing machine lid and mechanism for reciprocating said rack bar disposed adjacent thereto in a manner to automatically release and engage said rack bar upon the' manual raising and lowering of the lid portion.

A still further object is in the provision of a special and simple driving means for the dolly of a washing machine, the driving means being disposed upon the upper surface of the lid portion and including a rack bar s ecured to the lid portion in a manner to lprevent 'disengagement with the gear upon t e raising of the lid portion, a pitman for transmitting reciprocatory movement to said rack, and a readily detachable connection between said pitlnan and rack bar to permit manual raising and lowering of the lid without regard to the particular location or positioning of the rack bar.

Other objects will appear in the following.

specification, taken in connection with 4the annexed draw1ngs,1 n whlchf- Fig. 1 is a plan view of theiiwa'shing machine, with portions thereof cut away for a more detailed view of various elements;

iFig. 2 is'a side elevation, portions thereof being broken away for amore detailed view ofthe rack bar and. manner of connecting same to the driving means;

Fig. 3 is a side elevation, partially in setion, of the washing machine; and

Fig. 4 is a detail view, in end elevation, taken on the line 4-4 of Fig-.1, with the cover portion in theraised position.

Before describing the present 'washing machine and driving means in detail, it might be stated that this washer was designed with the idea of improving upon the many undesirable features that are at present found in the dolly type of washing machine. Y Applicant had in mindthe idea of simplifying the driving mechanism toy a considerable degree, to permit the production'of -a dolly washer at a verysmall` cost. f

gain, with respect to the driving means for 4the dolly of the washing machine, applicant desires, to utilize generally' the simple, above-the-cover rack drive for the dolly, but

to fashion same and dispose it 0n the top ofV the lid of the washer'in such manner as to'permit a manualraising and lowering of the lid member without manually releasing and engaging the rack bar and the driving means therefor.

The present application is directed more particularly to this improved manner of supporting 'and connecting the rack bar to the driving means than the other elements which go to make up the complete washer.

It is obvious that in the usual dolly typewashing machine utilizing the overhead rack drive, the operator must rst either raise the rack bar, or disengage same manually from the driving means before the lid can be lifted to permit the removal 0r entry -of materials to be washed. Applicant desires not only to obviate this undesirable feature of the-gen- -eral type of dolly'machines, .butto do so 1n a4 simple and etlicient manner.'

To accom l'sh the above desired result, ap- A i 4plicant util1zes A the following structure; A washing machine tub is shownat `10, having 'the leg portions 11 supported near their lower extremities by the braces 12. A framing support 13 provides the seating means for the tub member, as well as a connecting means between thetub and legs.

The tub has the lidportion 14 hinged in the well known manner, as at 15, thereto, or rather ,to the top portion 16 thereof, a latch portion 17 being pivoted as at 18 to the top of said tub. It is obvious that by manual. movement of said latch to an outer position, the lid portionv14 may be readily raised or lowered, as the-case may be, and a consequent movement of 'the latch in the opposite direction wouldassure clamping of the lid in its lowered position, A dolly 19 is securely attached to a vertically1 disposed shaft 20, y which is slidably mountedin a support in the cover 14. This shaft. 20, projects through and has a slidable connection with the driven gear 21, but has its shape corresponding to' the aperture in the said gear 21 in a manner to be moved by said gear.

`The above construction with respect to the dolly type. of washing machine is Well known, and it is apparent that the dolly `19 rides up and down upon the clothes content during its agitation, with a similar raising and lowering 1 of the vertical shaft 20, the same being oscillated by the movement of the driven gear 21, said gear having movement transmitted thereto by the following driving mechanism.

A wellknown electric motor 22 is securely bolted to a hasevportion 23 secured to the framing support 13. A pulley 24 upon the projecting shaft of the electric motor carries a belt 25, which encircles' a larger pulley '26 seand atits opposite end in a bracket 34, which is secured by means of the plural bolt members 35 to the washer top, or apron portion 29.

The bevel gear 36, secured to the opposite endof the horizontal drive shaft 33, meshes with an adjacent and larger bevel gear 37,

shown in detailin Fig. 2. The bevel gear 37 is rotatable about a pivot 38, iXedly secured in the above mentioned apron or washer top 29. A'n upwardly projecting lug 39 on the bevel gear 37 has pivote'd thereto a pitman 40. A raised portion 41 not only actsas a cover for the gears and pitman, which is constantly moving during motor activity,but'also forms a bearing support for a receivin and driving portion 42 for the Wringer mec anism, not shown. The connection between the driving member 42 and thebevel gear 37 is provided in a crank formation 43, off the lower end of the member42, the same being pivoted on the the ear 37.

T e cover portion 41,l as shown in Fig. 1, is bolted by means of the plural bolt members 44 to the apron 29, and decreases in width as it extends' towards the lid portion of the washer. That portion of the cover membel.` 41, which lies adjacent the lid member, vis

vfashioned to receive a guide member 45. This guide member is'actually made up of four guide portions, two above and two below, as may be perhapsmost clearlyseen in Fig. 2, the same extending from a' point adjacent the lid portion to a point adjacent -the gear 37. It is obvious that if the guide member 45 were solid, movementiof the pitman40, induced by the movement of gear 37, would be prevented, inasmuch as said pitman moves a distance to each side. However, by separating the guide member 45' into upper and lower sections, .an opening 'is left therebetween to permit this side movement of the pitman. The pitman 40 has a pivotal connection, by means of the vertical bolt 46, with a. member 47` that Aconforms to the shape of the plural guide member 45, and is reciprocated .therein upper end of the lug 39, which is carried by Y by means of the pitman. This member 47 is shownperhaps most vclearly in Fig. 4, and it is ap arent that towards the outer end thereofa olt 48 is secured horizontallytherein to the side portions thereof.' Similarly, it is obvious that said member 47 has that portion lying adjacent the lid portion opened as at 49,'to receive the hooked end 50 of the `rack bar 51 that is supported on the lid.14. The

rack bar 51 is actually made up of two parts, -the rack bar proper 51, which has its tooth portion 52 meshing with the teeth on the driven gear 21, and also that portion which is 'designated 51L that carries the hook member 50', capable of engagement with the horizontal bolt 48, the latter being a part of the member 47, which is reciprocated by the pitmau 40. That portion of the rack descrbedas 51a is pivoted, as at 53, to the rack 51, a s ring member 54 being connected to the rac 51 and to the rack ortion 51 in such manner as-to tensionally epress that portion 51a downwardly vupon ,the l1d 14 for reasons later to be described. v

The rack 51, as wellas its adjacent vportion 51%, is supported in a manner to constantly engage the driven gear 21, a cover member 55 surroundin same and secured by means of the plural bo t members 56 to the washin machine lid. It is apparent that the rac bar, which during motor activity is constantly reciprocated, is almost entirelyhoused, it being noticeable, however, that that portion of the cover 55 lying adjacent the hook por tion 50, is slightly raised to permit slight upward movement of the rack Aportion 51a against the tension of the spring 54. Plural stop members 57 prevent reciprocation of the 4 rack bar 51 beyond the normal movement thereof, inducedby activity of the pitman 40. These stops also act to prevent manual withdrawal of the rack, as Well as to prevent such movement of the rack from its normal position as to prevent the automatic engagement of the hook portion 50 with the horizontal bolt 48 during the manual raising and lower- I ing of the lid,.portion 14.

Having described the Washing machine and driving means therefor in what is thought to be complete detail, the operation of same will now be set" forth. It is obvious that activity of the electric motor transmits movement through the various pulleys, gears, etc.

to thegear 37, which in turn transmits move- 4 ment to the pitman 40. The reciprocation of the pitman 40 is transmitted to the rack 51 through the connection ot the hook 50 with the bolt- 48. It is obvious'that reciprocation of the pitman again transmits oscillatory movement to the driven gear 21, which movement is carried directly to the dolly 19, with the result that the agitation of said dolly accomplishes the washing action. Obviously,

should there be a direct connection betweenthe pitman 40 and rack bar, it would, beimpossible for the operator to raise the lid por` tion when desired, but in the present case, there is an automatically operating connecting means between the pitman and rack bar through the hook 50 and bolt 48, with the result that when the lid 14 is raised, the hook 50 is automatically released from vthe bolt 48 and automatically re-engages said hook upon Y the closing of the lid.

It might seem, unless, otherwise pointed out, that the rack bar could assume a position that would prevent the re-engagement of the hook 5() with the bolt 48 upon the lower-l ing of the lid. However, it may be seen from Fig. 2 that the covering for the pitman does not extend out to a point to prevent the rack bar, in whatever position it may be, from engaging the bolt 48, even if said rack bar were in its `most extended position with respect to the lid.

Again, it might seem that after the lid was raised, the pitman might be moved away from the rack bar, which is entirely possible.

However, ,with the present structure, this would have no effect with respect to the auto.-A matic re-engagement, because when the lid was lowered, although the hook would not then immediately engage bolt 48, neverthei less' upon re-commencement of reciprocation of pitman 40, the bolt 48- carried by member 47 would ride under the spring' tensioned hook 50, due to the beveling of the end 'portions shown at 5 8, with the result that the bolt would actually enga e the hook rather than the hook engage' the olt. l, Also, we find that the fact that this ten- `siona-l mounting of that part of the rack barl designated 51'* assists inthe ready and automatic engagement and release of the hook with the horizontal bolt 48;

AWhat I claim-is:

1. In a washing machine having a hinged cover; a rack slidably mounted on said cover, a rotary member arranged t'o be driven from a source'of power, a casing surrounding said rack, a pitman connecting said rack with said Arotary member, and a connection between said pitman and said rack permitting disengagement by upward movement of sald rack.

2. In a washing machine having an upwardly movable cover, driving mechanism comprising a rack disposed above said cover,

a pltman arranged to reciprocate said rack, a downwardly'eXtendm-g hook on sald rack having -its forward end beveled, a transverse

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