US918602A - Street-sweeping machine. - Google Patents

Description

W. SEYMOUR.

STREET SWEEPING MACHINE.

APPLICATION FILED MAR.8,1907.

2 SHEETS-SHEET 1.

Patented Apr. 20, 1909.

W. SEYMOUR.

STREET SWEEPING MACHINE.

APPLICATION MLBD MAR. 1907.

Patented Apr. 20, 1909.

2 SHEETS-SHEET 2.

PATENT onirica.

y .WILLIAM sEYMoUR, or raTERsoN, NEW JERSEY.

STREET-swarm@ ernennen.

specification o'f Letters Patent.

Patented Apri; 2o, 1909.

Appn'cauonmea Hafen s, 1907. serial No'. 361,334.

To all. rwhom it may Be it known that I, 'WILLIAM SEYMOUR, a citizen of the United tates, and resident of Paterson, inthe county of Passaic and State of New Jersey, have invented certain new and' useful Improvements in Street-Sweeping Machines, of which the following is a specilij The object of' my invention is to provide' al new and improvedstreet sweeping machine which is simple in construction, strong and durable, effective and reliable in use and which collects the sweepings and delivers them. into a receptacle.

, In the accompanying drawin s, in which like letters of reierence indicate 2clike arts in all the iigures:-Figure 1 is a side elrevation of" my improved street swee ing machine, parts being broken away andp others shown 11i section. Fig. 2 .is a vertical transverse sectional view on the line 2-2 of Fig. 1.

Fig. 3 is a horizontal sectional detail view onv Thevehicle frame A isconstructed in any conventional manner but preferably with metal side bars suitably connected and braced and mounted in the conventional lway on the front wheels Band rear wheels B1. The rear wheels are connected to turn Withtheiraxle Be and on this axle ismounted a .clutch section C insuch a manner that it can rotate with the axle and slidelengthwise on the same in any well known or conventional manner and this clutch section C can be envaged with a clutch section C1 mounted oosely on the axle B2 and made integral with a cog wheell) which is engaged with a smaller cog wheel D1 suitably mounted on a stud oAr sprocket 'wheel is c onnected'with the cog wheel D1 and over the same a sprocket-chain IE passes which also passes over a sprocket wheel E1 securedl on a sleeve or hub.G 1 of a c ,lind'er or drum G mounted'lloosely on-a shaft F secured on the frame of the machlne.

-Whe'n the vehicle is propelled this drum G is rotated in the direction of the arrow, 1v, Fig. 1. In this .drum one or more, in this case three, radially moving4 blades H are mounted which are ,Guided in' their radial movements by ins 1 projecting from the ends ofthe bla es through the radial slots H2 in radial spokes or arms H3 of the drum. A pair of helical springs H4' areattached to each end of eachblade and to the interior of the drum and these springs serve to pull the blades outwardso as to cause them to project from the drum through longitudinal'slots in the circumference vof the drum. A roller I is mounted on each end of each blade and these rollers can tavel on the inner surface of a fixed Acam tack I1 of which one is provided at each end of the drum, said tracks being suported by suitable arms I2 lfrom the mam rame. v

A chute J, .substantially semi-circular in shape and of a width equal to the length of the drum embraces `the front semi-cylindrical half of the drumgandits upper end is incommunication with a substantially cylindrical chamber J1 which is also in communication with the top of a box J 2 located on the frame of the machine above the rear axle and which box J 2 serves to receive the sweepin s. This chute J is closed at its outer si e but its inner side is op'en, the closure of the inner side being formed by the outer circumferential face of the drum G. The lower end of the chute J, which end is curved downward and rearward, is open and is directly in front of a large cylindrical horizontally mounted sweeping brush K extending transversel to the frame of the vehicle and supported 1n arms K1 mounted pivotally on the transverse shaft F. These arms. are

ulled u Ward by sprin s K2 attached to the trame o the vehlcle an tothe arms. 4These arms K1l are each connected by an u wardly extending ivoted link Ks with a ever K4 pivoted at 5 on the frame of the-machine and terminating in a handle K behind the drivers seat K7, the said two levers K4 on the -two sides of. the machine being both connected' with a single Khandle s that the driver can', by raising this handle 'and locking it in placel readily hold the brush K olf the ground. This brush is rotated by means of as rocket chain L passing over a sprocket whee ori the axle of thevbrush K 'and over y ga "sprocket wheel L1 on the hub G1. l At the 'lower end of the chute J a stilfcanvas, rub. ber. or leather apron M is, pivoted at M1 in' such a manner that its free endcan rest u on.

the ground directly in front of the brus K so as to prevent the brush K from' throwin l lopivoted at M1 to the underside of the chiite an' lextends .downward to .the ground in if'front ofthe apron M so that when any irregularity in the road or street or stonesv is en.-

countered the said aprons can swing up without injuring or unduly jolting any parts of 'the ,machine When the apron M is swung ukpby a stone or irregularity in the road or t e'street, the apron M2 rests upon the sur'- face of the street thus reventingithe sweepin s thrown forward uring the short interva of time that the apron M is lifted off the street. A rotatin brushN is mounted in' the chamber J1 an is driven fromV a sprocket wheel* onthe rear axleand a s rocket wheel on the shaft yof this branch lNv sprocket chain'N1.

- At each side of the machine a vertical shaft O is' mounted which carries at its u per bination with a rotary brush, of a'curved chutehaving its lower Iopen end in frontv of end a beveled cog wheel O1 engaging a ev- `eled cogwheel 024 mounted on a stud pro'ecting from the curved chute J and driven y a sprocket chain O3, from a sprocket wheel O5 fon the hub G1, so that the-vertical shaft O is -rotated. Three brushes P having downwardly extending bristles are each attached to the lower end of a rod P1 mounted tokmove up and downin two disks P2 secured on the lowenpart of the vertical shaft O betweenv which disks ahelical spring P3 surrounds each rod P1 and serves to push it and its brush downward. On the upper end of each rod P1an 'arm Q issecured which runs on a xed circular cam track Q1 having a cam pro# jection'Qzso that the brushes P while in con- .tactvwith the streetl are rotated in circular lines but before y'the completionl of each circle' are raised by the cam projection Q2 so' as t'o leave the pile of sweepings on the street in the track of the main rotary brush K.

The operation is as follows Such sweepings as have been loosened and swept into a number ofpilesby the rotating brushes P encounter the rotary brush K which throws them upon the a ronM and into the lower o en end of the cliute J. Whenever a blade Il) arrivesy at the bottom ofthe drum G a short distance up from the lower end of the chute J it is forced outward by its springs Hl and during its upward movement with the rotating drum carries the sweepings m ad- -vance 'of it upward and upon the face of the drum and within thechute and whensaid blade H arrives almost near the top ofthe y means of a l of said blade gradually withdraws the blade and holds 1t withdrawn into the drum until it arrives slightly beyond and in front of thel bottom of the chute at which point the blade 1s again .ejected into the chute J. These blades with the outer 'surface of the drum thus carry the sweepingsthrough the chutevIn .the construction shown in Figs. 4 and 5 a motor R is provided on the front of th machine and also a` steering-wheel R1 by means of which the front wheels can be shifted in the conventional manner for the purpose of steering. .The rear wheels .aredriven'by a sprocket wheel and a sprocket chain' 4S and intermediate gearing from the motor and the drum G is driven from the motor by means of-ntermediate -gearing,otherwise the construction of themachine is not altered. vThe usual clutches as represented at W, are provided for the purpose of starting and stopping parts, etc. p

Having described my invention what I claim as new and desire to Patent isi* A l. Ina street sweeping machine, the conithe brush, a rotary drum', the peripheryof which forms one wall of the chute and blades .on said drum extending into the chute,`and means for withdrawing said blades from thechute at intervals substantially as set forth.'

2. In astreet sweeping machine, the combination with a rotary brush, of a curved chute havin-g its lower open end in front of the brush, a rotary drum, the lperipheryof which forms one wall of the chute and blades on said drum extending into the chute, and a cam for withdrawing said bladesfro-m. th chute, substantially yas set forth; v

3.111 a street sweeping machine, the combination with arotary brush, of a curved chute having its lower open'en'd infront of the brush, a rotary drum the peripheryof which forms the inner wall of the.' chute and blades on said drum extending into the chute,

meansffor projecting blades into the chute and a cam for withdrawing the blades from the chute, substantially as set forth.

4. In a street sweepin machine, the combination with a frame an a rotary brush, of a curved chute having its lower open .end in front of the brush, a rotative drum forming the inner walls of the chute, blades extending from the drum into the chute, and a sweepings receptacle connected withthe up ver end of the chute', substantially as set fort 5. In a street sweeping machine, the com'- bination with a frame, of-a rotary brush, a curved chute having its lower end ni advance Y drum the cam track I1 acting upon the rollers l of the brush, a rotary .drum forming the inner secure by Letters wall of the ehute, which drum has slotted ra.- New York and State of New York this 7 1 dial arms, blades ided insaid arms to move day of March D. 1907.

radially s rings or pulling said blades out- Ward, rollrs on the ends of the blades and WILLIAM SEYMOUR' 5 fixed cams for said rollers, substantially as Witnesses:

set forth. OsoARF. GUNZ, Signed at New York `city in the county of OLIN A. FOSTER.

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