US971743A

US971743A - Vacuum-sweeper.

Info

Publication number: US971743A
Application number: US52043809A
Authority: US
Inventors: Richard Gober
Original assignee: Individual
Current assignee: Individual
Priority date: 1909-10-01
Filing date: 1909-10-01
Publication date: 1910-10-04
Anticipated expiration: 1927-10-04

Description

R. GUBBR. VACUUM SWEEPER.

APPLIOATION FILED 00T. 1, 1909.

W Patente@ @eg 4,' w10.

B.. GOBERa VACUUM SWEEPER.

APPLIUATION FILED ooT.1, 1909.

Qfm Patented 0015.4, 1910.

2 BHEETS-SHEBT 2. 211527 i' N M mlmmlp lili tilfer noting e on im rrr .more @or irriridire ai@ ie Specification of Letters Patent.

Application filed @ctohor l, 1909. Serial No. 520,438.

To all whom i mei; ooncern:

le. it known that lifliciiinn Goin-3u. u citizen of the l'nit'ed States. -reeidinpg at, Alameda, in the county of Alameda and State of Califo1'11ia,`i1are invented certain new and uz-ierul improvements in Vaeuluu-dweepers, ofwhich the following;l is a Aepeeiliealion.

This invention relates lo vacuum cleaners especially adapted for cleaning' tiloors. lloor coverings, and the like, and the principal object of the saine is to provide novel means wher-eb)T a vacuum will be created in a easing so that the dust `from loors and l'loor eoverings will be drawn therein,

Another object of the invention is to provide novel means whereby the machine will be rendered inoperative when reversed.

@ther objects and advantages of the invention will be apparent from the tolloving (letailed description and aeconuianying drawings.

ln Carrying out the objects of the inven-` tion generally stated above it will be under- Stooth of. course, that the essential features thereof are necessarily susceptible oi' changes in details and structurel arrangements, one preferred und practical embodiment oit which is `hovvn in the accompanyingl drawings wherein Figure l is a. side view ot the nnproveu. cleaner. Fig. it is an enarged top plan view thereof. the top Covering being removed.

Fig. l is a vertical Sectional view taken on theline Y-Y. Fig. Q. Fig". 4 is a similar view taken on Vthe line ZEE, Fig. 2. Fig.' 5 is a fragmentary view in side elevation ofthe lower end of the support for the supporting rollers of the machine. lig. tl a top plan view thereof. Fig. 7 is e detail fragmentary perspective view of the covering; for the casing of the machine showingf the means for fastening the same over Said easing.

Referring to said drawings by numerals, 'L designates a casing which is preferably cylindrical, the central bottoni portion i2 of which is Concaved and in which the arched Supporting arm 3 is fastened. rihe ends of `aid arm 3 project below the bottom oi" said easing and are outturned and thickened as indicated at 4 and each provided with an oblique sloty 5 which forni a bearii-ig` 'for the end ofthe axle o. The Seid axletis slidable, but not rotatable in its bearings 5 and carries rollers 7 equipped with a resilient tire ti. Said rollers resting 'on the door and forming the main support. for the machine as will be obvious. fr handle. 9 for propelling the niaehine. has the ends its lower portion l0 pivotally mounted in the outturned ends` el. ot the :irin 8.

The interior oi the casing; l is provided with a \"erl.it"all}y :wrangler-l partition plate ll which providers a dust chamber l2. said partition plato haring an inwardlifY lu-neled upper edge 11B.

The Front` of the easing l. below the bottom thereof. is provided with an out .'ardiv fiaring inlet nozzle l-f'r the inner end of which communi 'fates with the interior of the easing l, the outer end l5 thereof heing` Yerticallv arranged and supported in close proximityY to the @urtare over which the nia whine iis rarelingj h v the. elongated resilientt'ired roller lo that in mounted upon said nozzle by the, hanger bearings li'. The arm 3 carries a bearing hloelr i8 at. its upper @entrai portion tl'irough which a vertical shaft i9 proviects. The lower end oi' said shaft- 'lQ has a' bevel. gear 2O tast thereon Which-is in mesh `with a similar, but 'pr t`er ably larger, gear 521 fast on a horizontal shaft 22 the ends of which are journaled in the arched firm 3. The upper end ot the shaft 19 projects into the Casing l and has a hub Q3 tast thereon from which a plurality of fan blades radiate, Said tan blades have their inner Q5 curved to conform to the concavity of the central portion of the casing l. and their outer upper Corners beveled as indicated at 2G so that they inav rotate beneath the beveled. upper edge ot the partition plate i1. A friction roller 2T is fast on each end of the shaft QQ, said rollers boing in frietional engagement with the supporting rollers 7 when the niachine is propelled forwardly so that they will rotate therewith and communicate their movements to the fan blades 24.- through the gears QO-QL and shaft 19. A spring 2S is coiled about a lug 29 projecting Itroni each end of the arm 3, said springs having one of their ends bearing1 against the shaft Zi and their other end bearing; against the ends of the axle t3 and constantly exerting a tension to move said axle G longitudinallyv ot the bearing slots 5 so that the

rollers

7 and 27 will be separated. A covering 30 of fabric has a pendent annular flange, 3l adapted vto be litted over the top of ther casing l. Said `flange has its lower edge providedwith. a wire. 32, the ends of which eoied as indicated at @ne coiled end is provided with a 3L; so that said ends may be drawn together and detachably interlocked to tighten said iiange over ilie casing l.

As `will be seen by reference to Fig. 5, the E3 oblique bearing slots 5 incline forwardly of the machine, so that when said n'iachine is pushed by the opera-ier (he downward pressure exerted on the machine will cause the axle 6 to ride up said slots 5 against the tension of the springs 29 and cause the rollers 'l' and QT 'to :rictionally engage, and thereby roate ":fhe fan blades 2li-in the casing 1. rotation oi said fan blades A creates a vacuum in the casing l and the air rushing in the casing through the nozzle 14 will such7 the dust from the surface over which the machine is traveling and deliver the dust to the dust chamber i2, the air esraping he casing l through the fabric covering 30.

T/'hen the is being reversed, or pulled ioivard die operator an uoward pressure Will exerted upon the machine, as'V vri". be obvious nnich permits the axlei to be forced downward inthe bearing slots by the springs Q8, thereby separaiing the `7`ollers 4l-27, and cutting off the power from the fan blades 24.

' l be observed by reference to Fig. 2,

3o .e .tition plate il is at the rear of thev casi g l. and is arranged so iliat the open end oi"- chamber i@ isin position to receive t' s conveyed thereto by the fan claim as my invention is :i

eiine ci' the character described .asing provided with an inlet orting rollers therefor, a fan friction rollers engaging said Aers to operate said ian on the movement of said machine, and r .automatically disengagingv said the reverse movement or" the mameans rollers on A machine the character described casing'having' an inlet nozting rollers for the casing, a rotaan within said casing, friction rollers to said ian and adapted to engage ie siriporting rollers when the machine is orvvardly propelled, and springs for disngaging said rollers on ille reverse movement the machine.

i machine of the character' described comprising casing having aconcaved bottom porti-on, an inlet nozzle carried by said casing, an arched arm fastened to said concaved portion, supporting rollers carried by the ends of aid arm, a shaft carried by said erin arl projecting into said casing, a ian and mounted on said ers carrier. by said arm fr 'si the friction and supporting rollers when the machine is on the reverse movement.

4. A machine of the character described an inlet nozzle therefor, an axle slidabl supported by said casing, supporting rol ers carried by said axle, a fan in said casing, fan rotating means including rollers engaging and operated by said supporting rollers when the machine is propelled in one direction, and spri s carried by said casing for automatica. y sliding said axle to remove the supporting rollers from engagement with said fan rotating means when the machine is propelled in an opposite direction.

5. A machine of'the character described comprising a casing, an inlet nozzle therefor, an arm fastened to said casing and providerV with oblique bearing slots, an axle slidable in said. slots, supporting rollers on said axle, a vian Within said casing, fan r0- tating means adapted to be operated by said rollers on one movement of the machine, and springs for sliding said axle in its slots to separate the rollers from the fan rotating means on an opposite movementof the machine.

6. A machine of the character described comprising a casing having a concaved central bottom portion, an arched shaped arm fastened Within said concaved bottomportion "ith its ends projecting below bottom of the casing, said ends being provided With an oblique bearing slot, an axle slidable insaid slots, supporting rollers for said axle, a horizontal shait carried by said arm above said supporting rollers, friction rollers carried by said shaft and adapted to be engaged by said supporting rol lers on one movement of the machine, a vertical shaft carried by said arm and projecting into said casing, a fan fast on the projecting end of said vertical shaft, a gear connection between the horizontal shaft and the vertical shaft, springs carried by the end of said arm and interposed between the horizontal shaft and the said axle for sliding said axle in its bearing slots on the reverse movement of the machine, an inlet nozzle carried by said casing, and a supporting roller carried by said nozzle.

In testimon whereof I aflix my signature in presence o two Witnesses.

RICHARD Gonna.

comprising a Casing,

lNitnesses Romina? Gnaswrrz, RICHARD ANDREWS.