US1834936A

US1834936A - Washing machine

Info

Publication number: US1834936A
Application number: US248185A
Authority: US
Inventors: Donald C Bryant
Original assignee: Individual
Current assignee: Individual
Priority date: 1928-01-20
Filing date: 1928-01-20
Publication date: 1931-12-08
Anticipated expiration: 1948-12-08

Description

Dec. 8, 1931. D. c. BRYANT WASHING MACHINE Filed Jan. 20. l1928 2 sheets-sheet T NVENTEE W AT EEN YE:

Q. ":l EE

Dc. 8, 1931. D. c. BRYANT WASHING MACHINE Filed Jan. 20, 1928 2 Sheets-Sheet 2 lll/Il INYENT E 'W Anf- /YT Patented Dec. 8, 1931 DGNALD C. BRYANT, 0F NEWTON, IOWA.

wAsHiNG MACHINE Application flied January 20,.192s. serial No. 248,185.

i portion in which two agitators are disposed,

`members and an arrangement of one adjacent the bottom and one near the top of the tub,.in such manner that same will bey oscillated in opposite directions, with a resulting violent water action.

Another object is in the provision of a Washing machine tub wherein one agitator is disposed adjacent the bottom thereof, and re:

ciprocated in a manner-to give a vigorous water action, there being also another agitatoil member disposed above the first agitator member and reciprocated in the opposite di .rection in a manner to create a vigorous disturbance ot the clothes, which may possibly accumulate in the upper portion of the tub.

A further object lies in the provision of a washing machine, including the arrangement of dual agitator members within the tub for reciprocation in opposite directions, as well as inclusion of such arrangement of drive shafts and connecting means which permit such reciprocation to be accomplished with a max'mum eiiiciency.

. A still further object lies in the provision of a wasliing machine including dual agitator rlving means and gear mechanism which permits the above mentioned oscillation to take place with a minimum ot frictional resistance as well as a minimum of parts.

Other objects rwill appear in the `following specification, taken in connection with the annexed drawings, in which- Fig. l is an elevational view, partially in section, showing the arrangement of my dual agitator members, as well as the driving and gear mechanism therefor;

lig. 2 is a sectional view taken on the line 2 2 orn l? ig. l;

Fig. 3 is a sectional view taken on the line 3-3 of Fig. l, and

Fig. l is a sectional view taken on the line 4 4 of Fig. l.

Before referring to the drawings, it might be stated that the present washing machine art, as well as washing machine structures which are well known in the trade, comprehend the use of a tub member and an agitator member disposed either adjacent the bottom of the tub, or, in many instances, elevated somewhat above the tube, but nowhere in the art is there found an arrangement of dual agitator members, one disposed adjacent the bottom of the tub and the other at a substantial distance thereabove, said agitators operating in vdifferent directions as respects their initial movement, thereby creating not only a distinct Water action but also an additional rubbing action of the clothes, which expedites the washing operation.

Applicant herein realizes the merit of a washing machine having an agitator member disposed adjacent the bottom of the tub,which when reciprocated, due to its vigorous movement, hurls'the water against the sides of the tub, then upwardly therealong, and iinally again towards the center of the tub. This setting up bt violent water currents in the a manner described operatesto wash the clothes in an eicient manner, especially if there isnt too great an accumulation of clothes in the tub. However, when the washin -is large within the tub, and the agitator in tlis type of machine oscillated, the water action, which is very noticeable when but a few garments are in the tub, is not only reatly decreasedl but the clothes, which are icing washed have a tendency'to accumulate in a mass above the agitator and adjacent the ,water level in the machine, the action from then on being merely a swishing back and forth within the tub. This type of washer, as a matter of tact, is

a rapid washer, but present applicant, in ory der to expedite further the washing action when there is a considerable accumulation of clothes in the tub assists the washing action by disposing another oscillator intermediate this mass of clothes and reciprocating same in the opposite direction, with the result that the clothes which naturally gather around the central stem, receive avigorous rubbing action and are hurled back into the normal course of the water induced by the agitation I ofthe plural bladed member disposed adjai tached to the legportions, not shown, in any manner desired.

r t5 lowing parts. The upper portion 29 has in- It is thought that the washing'machine art has become so well known as to obviate the necessity 4of complete detail showing of the legs, attachment means, etc. Similarly., with respect to the power drive, applicant has thought it necessary in the present mstance, to show merely a conventional rack bar 13 meshing with a driven gear 14 which is fixedly secured to the lower-end of vert-ical drive shaft 15.

In the present instance, a gear housing 16 is secured at the plural points 17, to the before mentioned lframe 12 in a manner to house completely the mechanism, causing the reverse action of the water agitating elements. This housing is adapted to maintain a suitable amount of lubricant therein, and thus prevent the necessity of continuously oiling the moving portions. This housing also forms a bearing for the lower end of the vertical drive shaft 15, as well as a support lfor the pins or

pivots

18, 19 and 19a, which are secured to the housing by means of the

bolts

20, 21 and 21a, respectively, at their outer ends, said pins projecting at their inner ends into a stationary member 22,

-through which the drive shaft is adapted to project and rotate. Thedrivev shaft 15 Aobviously receives its rotation from the gear 14 reciprocated by the rack 13, said drive shaft projecting through'the, bottom center of the tub and reaching to a point above the `normal water level in the tub. This vertical drive shaft lies Within a. column 23 which, as

may be clearly seen, is threaded as at 24 in the framing portion 12, which underlies the thinbottom of the tubi This column 23 has laterally projecting bracket ortions 25 adjacent the bottom of the tu and adapted to overlie same in a manner not only-to support the column, but also to operate in connection with some water-sealing element, such as 26, to prevent leakage of the water froml Ithe tub through the opening in the bottom center thereof. v

As'stated before, the vertical drive shaft projects upwardly and centrally of the column 23, its upper end 27 being fashioned so as to be received in la similarly shaped opening 28 in the upper end of an u per agitating element, which is made up ot the fol- J of the water.

ter level in the tub will at least approach the topl of these wings. the upper water agitating blade to the drive shaft is accomplished by means of a manually operable lug 32, spring tensioned as at 33 in such manner as to prevent complete withdrawal, but merely allow withdrawal 'of the inner and operating end of the lug from the similarly shaped aperture in the upper end of the drive shaft. Obviously, manual withdrawal of the lug will permit vertical removal of the upper water-agitating member.

HavingY described the upper water agitating element and mechanism foraccomplishing its reciprocation, description will now be given of the lower agitating member.

Rotatable about the

pivot pins

18, 19 and 19a are

bevel gears

34, 35 and 35a. These bevel gears mesh with the teeth on a lower gear 36. pinned as at 37 to the vertical drive shaft 15. Reciprocation of the bevel gear Means for securing 36 will result in movement ofthe

bevel gears

34, 35 and 35a, with a consequent reciprocation of an loverlying and similar gear 38, which in turn is pinned at the plural points 39 to the upwardly projecting pipe 40, sur` rounding the before mentioned vertical drive shaft 15. This pipe 4() 'lies lbetween the vertical drive shaft, and the before mentioned column 23, the same following the vertical drive shaft to a point adjacent its upper end, and as a matter of fact, somewhat above the column 23, the upper end of said pipe being `threaded as at 41 in a manner to reeeivea lug 42 which lis not only threaded to the upper end of the pipe 41, but also fixedly se` cured thereto by means of set screw 43. The upper end of the column 23, as well as the upper end of the vertical drive sha-ft, acts as a bearing support for the pipe 40. The' lug 42, which is secured fiXedlyv to the upper end of pipe 40 is shaped to receive in a fixed manner, but permitting vertical removal :therefrom the second sleeve 44 surrounding llO they will create a. violent lateral projection A washer 48 surrounding the column 23 a t its lower end and lying upon the brackets 25 elevates the disk sufficiently above the bottom of the tub as to permit unrestricted reciprocation, but also preventing any of the clothes content from gathering beneath the agitator.

As respects the description of the structural features, and particularly the plural water agitating. elements, it is thought sufiiciently clear, with the possible exception of the gear mechanism, which oscillates the water-agitating blades in opposite directions.

Description has now been given of the lower gear 36 and the upper gear 38 as eX- actly similar, as well as the plural bevel gears between these two gears. These bevel gears are spa-ced, as may be clearly seen in Fig. 4, in a manner to permit ready movement of the various parts, with a minimum of friction, these bevel gears, however, transmitting a reverse action'to the upper gear from that of the lower gear. When one traces the movement of the gears in Fig. 1, it will be apparent that the movement of the lower gear will result in the movement of the upper gear in the opposite direction, with a resultant difference in direction of the movement of the upper and lower oscillator. Although obviously both agitators reciprocate back and forth, nevertheless when we consider the two agitators at the Commencement of their initial operation, we find that one moves in one direction andthe other in an opposite direction. As stated before, this difference of movement results in a greater turbulence of the water, as well as increasing the speed of the washing operation. 4.o What I claim is: I

- l. A washing machine comprising a tub member having an opening in its bottom center, a column sealing the opening in the bottom' of the tub and proj ectingv to a point above the normal water level therein, a drive shaft projecting through the bottom of the tub to a point above the normal water level, a water agitator secured to the upper end of the drive shaft irta manner to oscillate about the upper end of the column, means for oscillating the drive shaft, a second pipe surrounding the vertical dr'ive shaft and lying within the column projecting toa point above the column, a second water agitating member disposed adjacent the bottom of the tub and having a sleeve portion projecting upwardly and connected to the uppervend of the before mentioned pipe, and gear mechanism' cooperating with the gear mechanism for reciprocating the upper agitator, but operating in a manner to reciprocate the lower agitator in a reverse direction. y 2. A washing machine comprising a tub point above the normal water level and operating as a means for sealing the bottom of the tub, a drive shaft within said column, a

' plural vaned water agitator attached to the drive shaft at the top of the tub to agitate the contents of the tub immediately surrounding the upper end of the column, power means for oscillating the drive shaft, a second plural vaned agitator disposed adjacent the bottom of the tub and having a stem portion projecting upwardly therefrom, mechanism for connecting the upper end of said stem with the vertical drive shaft in a manner to permit the oscillation ofthe lower agitator in the opposite direction.

3.' A washing machine comprising a tub member having an opening in its bottom center, a column sealing the opening in the bottom of the tub and projecting to a point above the normal water level therein, a drive shaft projecting through the bottom of the tub to a point above the normal water level, a water agitator removably positioned on the upper end of the drive shaft, spring tensioned lug means for normally securing said Water agitator to the drive shaft in a manner to oscillate about the upper end of the column, means for oscillating the drive shaft, a

lsecond pipe surrounding the vertical drive shaft and lying within the column projecting to a point above the column, a second water agitating member disposed adjacent the bottom of the tub and having a sleeve portion projecting upwardly and connected to the upper end of the before mentioned pipe, and gear mechanism cooperating with the gear mechanism for reciprocating the upper agitator, but operated in a manner to reciprocate the lower agitator in a reversed direction. f

4. In a washing machine comprising a tub member, a water agitator member disposed adjacent the bottomof the tub, a second water agitating member disposed a substantial distance above the first mentioned agi- '110 tating member, and drive means for oscillating the agitators, means for removably securing saidssecond agitator to a drive shaft, said means including a spring tensioned lug normally passing through an aperture in the agitator and into a recess in the drive shaft, said lug manually removable from the recess in said drive shaft to permit the agitator to be removed from the shaft. i

In testimony whereof I have hereunto af- D. C. BRYANT.

` fixed my signature.

having an opening in its bottom center, a col- A umn projecting upwardly within the tub to a