US1043073A - Street-car-window cleaner. - Google Patents

Description

E. F. CUNNINGHAM. STREET OAR WINDOW CLEANER. APPLICATION FILED FEB.8, 1912 m m a m MW 4 .IWJ l M Z 5 %/w a n w N 5 .w. N 6 La .RQ'YVI Eu 0 w n m g E D1 f v 4 AU 1 Witnesses GHQ-bump secure th sash to the front oi'the vestibule iii-sens ionwnnesnren, or oneinirseone, wees vmcimre.

sai*zesntr-,on i n rinnew" amines.

To all whom it may concern: v

Be it known that l, ELKANA F. (Imminer-rAlu s citizen of the United Stetes,[residing st *Sl.erlrsburg, in the county "of Harrison, State 'of est Virginie, have invented certain newand useful Improvements Streetllsr-l i indow' Cleaners end I do-hereby declere the'iiollowing to be oi full,- clear, and ernict description of the invention, such as will enable others skilled in the art to which it eppertoius to make and use the same.

This invention relates to'window cleaners end hes for an object to provide a; novel sash conteining sliding wiper the sash being ezisily and quickly applied to the motorrnons window in street ears and vthe like without eilteretion to WlIldOW.

A second object of the invention is to provide a draw cord for operating the wiper from within the ear vest1bu1e,e single pull upon the cord serving'to'move the wiper downward and free the window of steam or after fully described and claimed, it being understood that various modifications may be mode in the minor details of construction within the scope of the appended claim.

ln'the accompanying drawings forming art of this specification-z-Figure 1 is aront elevation of the device. Fig. 2 is a longitudinal sectional View taken on the line 2-2 Fig, 1. Fig; 3 is a cross sectional view taken on line Fig. l with the wiper in perotive position,

l 1 Referring now to the drawing 111. which like clmrecterseof reference designate simi lar ports, the is shown to compr se side stiles if) and 11 connected at their lower ends;-

by e sill 12, and connected at their upper by, hollow vsash heed comprising spaced members 13 terminally secured to the edges of the stiles end embedded incense-- telSlIllllS therein, end e meniber'll connect in the members 13 end'terminelly secured "torhe tops ofthe stiles, To the rear longi' iodine edges of the stiles are secured. fist strips which project with theiroute'rlongitodinel edges beyond the outer faces of the stiles and form securing strips through which screws 16 the like ereinserted to u Specificetlonof Letters retest.

' rnovements oil. 'and {Thejwiper is yie portly concealed within the sash head window as shown.

Patented Nov; 5, 1912 Application one. February 8,1912. Serial No. creme. w

outside of the borders .o-ff the' motormons j.

The inner longitudinal edge portions of the strips projectmwardly. beyond the inner edges of the stiles end form guide strips for the reception ofthe wiper bearings, there being a, second guidestnp.

17 errenged on theinner face of each; stile near the first named guide str1ps,iand 006pereting with the same in, lt'orl'ning:t-herebetween guidewoys which direct the sliding wiper bearingss 'l he guide strips I7 tenninete short .ofthd sill l2, and a cross strip 18- connects the lower ends of these guide strips, Stops 19' are arranged in "the guide-ways and liz'mt' the downward sliding movement: of'the wiper; The wiper consists of a slide bar QO'the op-' posite ends of which are equipped with bearing'strips '21 which work in the guide-ways of the stiles, the lower ends of'these hear-- ingstrips contacting with the. stops and limiting downward slidingmovement ofthe slide bar; 'A'. swingirig bar 22. is connected to the'lower edge. of the slide banthrough the instrument-slit of spaced interlockin eye. connections 23, and .to the inner face 0 prevent escape 0i i thenilthe swinging bar is fixedly secured a rubber or similar wiping stri 2d, the lower edge of this strip projecting eyond the lower edge of the swinging barand being held yieldingly in t-his position through the instrrb' a mentality of spaced leaf springs 25, these springs reinforcing the wiping strip against distortion during wipigig operation.

ingly held through the -instrumentixlity of spaced diver 'en't helical springs 26 which are secured normally.

at t eir upper ends to pins 27 carried within the head, and at their lower ends to eyes 28 carried byihe slide bar. For moving the wiper downward over the pane, of glass 29 in the motor nans window '30 Imount a sheave 31 within the sashhead, and a second sheave upon the cross strip 18. A cord 33 istreined through. the sheave, oncend of the cord being directed back into the vestibule so as tohang within convenient reach of the inotormen, and the opposite end ofthe cord being connected through the in: strumentality of a snap hook and eye connecti0n,' the snap book 34 being connected to the end of the cable and the eye 35 being" "connected to the outer lface of the swinglng bar-Q2 near the lower edge thereof,- Upon too the. cord being pulled by the motorman, the

winging bar will be rocked on its hinges so to move the wiping strip into contact h the window, while at the same time the per will be moved downwardly against 7 '"the tension of the helical spring so that-the wiping strip will remove accumulations of rain, snow or other foreign matter from the window pane. Upon release of the cord the springswill. immediately return the wiper to normal position.

- I It will be noted that as the springs 26 are gradually expanded during the progress downward of'the wiper, theyexert an increasing upward pull so that it requires.

greater manual effort during the final stagesof actuating the wiper than during the initial stages, and consequently the wiper willbe held: with greater friction against the pane theflfinal stages than during'the initial; 'st ages 'ofvits travel. It is obvious that ice or; sleet accumulating in advance of the pane during the downward progress of the wiper.

What is claimed, is

A window cleaning device including a frame, a slide bar extending horizontally of and mounted for vertical movement in said frame, a swinging bar depending from said slide bar, and having a hinge connection at t11 e.1 upper edge with the lower edge of said slide bar, a downwardly inclined wiping stri on the rear face of said swinging bar, vertically disposed helical springs connected to the head of said frame and to said slide bar and serving to normally hold the latter against said head, and means serving to rock said swinging bar on its hinges and hold the bar with'gradually increasing frictional engagement againsta windownpane during the final stages of progress of said slide bar away from said head including a pull cord trained over sheaves in said head, and having one end directed downwardly upon the outer side of said frame and trained under a sheave carried by the sill of said frame, thence directed upwardly and detachably engaged terminally with the outer face of said swinging bar near the lower edge thereof.

In testimony whereof, I aflix my signa- 0 ture, in presence of two witnesses.

ELKANA F. CUNNINGHAM.

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