US1906657A - Scraper - Google Patents

Description

y 2, 1933. A. L. STOWELL 1,906,657

SCRAPER Filed on. 6, 1931 gmml ow Austin L. Stall/ell 2. the several wires.

Patented May 2", 1933 Ausrm L. s'rownrinor newsman; connnc'rrcur, ASSIG-NOR :ro THE s'mmr WORKS, OF" NEW BRITAIN; CONNECTIGU '1, CORPORATION-01 CONNECTICUT scmrmi Application m October 6, 1931. fserial No. 567,207.

4 it This invention relatesjt'o scraping tools, and has particular reference to a tool especially adapted for use in from engine parts, such, as

,6 inders, etcetera. 1 7 v a i The aim of the invention is to provide an improved tool-of 1 this sort having various features of novelty and advantage, and which is particularly characterized by its ef- -1 fectiveness in operation and by its simplicity in construction. I v r The invention has in viewascraper prothe walls of cyl- I vided with a scraping instrumentality comprising a plurality of wires each having .a

V ,scraping edge at one end, the Wires at their other ends being suitably; anchored, and provision being made for; adjusting the scraping instrumentality relative toa holder or body in order to vary :the flexibility of .and thesewires are positioned side by side with their scraping edges normally trans- "Z formedto curved or irregular surfaces.

a a, Other objects will be, in part obvious, and

'- [in part point wout morein' detail hereinva r i r lhe invention accordingly, consists in the f. :features oflconstruction, combination, of ele- ,ments' and arrangement o fgparts whichgwill ,be exemplifiedin the construction hereinafterset forthand the scopezof the application of which will be indicatedflinthe apa pended claim .-v

Q A0 vFig.1 is a t plaiyview of my improved;

, Fig. 2'is a central longitudinal sectional iew therethrough; and,

Fig." 3.}is a deta l 1ew of arclip with one of the scraping wires secured thereto.v g

Refe'rringto the drawingin 'detail, A de-f notes generally :a scraping instrumentality which is composedqof. a plurality of temw pered steel spring wires 10 positioned side e s .by side. Each of thesewires, by preference,

is square removing carbon lcurved'hump 14.

By preference, thewires are square or-rectangular ln crosssectwn,

yersely aligned but'capable of :being con-' the I 6:11p.

also preferably has its forward end and forwardly at an angle, as illustrated,

atjl2, soa's to form av OFFICE or rectangular'in crosssec'tionahd i a l1 bent downwardly Thefforward extremity of each wire "is slightly beveled, as p v cutting edge 13, .Normally," the cutting" edges 13 of the severallwires are "substantial i lg aligned, although this is not necessary. ach' w rei'has, adjacent 'itsinrear', end, a

' The numeral 15 designates} fcli p,

ferably formed ofsheet metal and havlnga mainplate portion with depending earslfi I at"its'-'opposite'sides.' The cli fisjtr'ans-- 'versely slotted,as at 17, and t is slot exfi tends. down into the ear'soas to form seats 18; for Jan anchoring; pin "19. -VVhen the parts 'are assembled, as shown in Figs. 2 I and 3, the

humps lief the-wires extend upintoithe slots 17 and the pin 19"holds these humps in place. scraping instrumentality is substantially equal to the side play the edges vides a very simple, economical, and effecti ve means for anchoring thelwires to the cli a r a 'lihe numeral 25 denotesa body. or holder formed of sheet metal and comprising a relatively flat plate, the forward end of which is'bent downwardly and forwardly so as'to form a 1i v26. 1 This lip has a slot 27 through which tiescraping nr iv istrum'entality, extends. The length. of this slot is substantially equal to the width of the scraping instrumentality so fthat the wires will have noside. playrelative to' the forward end ofthe holder. Thebody has a longitudinally extending slot 28."! It. also cross section. .This shank is, adapted V, to

snugly e The widthol? the l V distance between .the ears 16 I so that the several-wires have no: relative to the clip and, owingto-thefact lthat the humps are, held by the pin between v of 'theslots 17, the wires are held againstlongitudinal 'movement relative to The arrangement describediproo hasa 'rearwardly extending shankf29 which I is preferably curved or semi-circular in fit the bore 30 or a handle 31'and 3 About the forward end of the handle is a metal ferrule33. For the purpose of securing the scraping instrumentality in any desired position of adjustment relative to the holder or body, a screw. 34 and a nut 35 are provided. This screw is adapted to extend through the longitudinally extending slot 28 in the holder and a hole 36 in the clip.

The manner in which the tool is used will be clear from the foregoing description, taken in connection with the accom distance beyond the body, and then the nut is tightened up to lock the parts in adjusted position. When using the tool, the scraping edges are brought into engage ment with the surface to be cleaned and thenthe tool is drawn towards the user;

that is, to the right, referring to Figs. 1 and 2. Since the scraping instrumentality is made up of a plurality of wires adapted to independently flex, the scraping edges 13 may readily accommodate themselves to surfaces of various shapes and to irregularities in the surfaces. Obviously, when pressure is placed upon the tool during scraping; operation, the wires will bear against the upper edge of the transverse slot 27 and more or less fulcrum or bend "about that edge.

It is of advantage to provide each of the several wires with a straight scrapingedge so that each wire will takea broad out. When a flat surface is operated upon, such as thefiat'head of an aluminum piston, the wires will scrape thatfsurface practically as smooth as' a single"straight-edged blade would. Each of the wires has a greater amount of active cutting edge than is obtained with a round wire where practically all the work is done point, and the straight edge wire provides a tool which will stay sharp longer.

As many changes could be made in the above construction and many apparantly 'vention could be made without departin from the scope thereof, it is intended that widely different embodiments of this inall matter contained in the above description or shown in the accompanying drawing shall be lnter-preted as illustrative and not in a limiting sense.

It is also to be understood that the lanfguage used in the following claims is in tended to cover allof the generic and spe' cific features of the invention herein described and all statements of the scope of the invention which, as a matter of language, might be said to fall therebetween.

What is claimed is:

1. A scraping tool having a scraping instrumentality comprising a plurality of wires positioned side by side, the forward ends of said wires having scraping edges, a member to which said wires are connected, and a holder to which said member is adjustably connected, said holder having a portion against which said wires are adapted to engage.

2. A scraping tool having a plurality of wires positioned side by side and provided with scraping edges :at their forward ends, a memberto which said wires are anchored adjacent their rear ends, and a holder to which said member is adjustably connected, the scraping ends of said wires extending forwardly from said holder and said holder having an edge against which said wires are adapted to bear between their ends when pressure is applied to the wires.

3. A scraping tool having a plurality of wires positioned side by side, the forward endsof said wires being bent at an angle and having scraping edges, a clip to which the rear ends of said wires are connected, a 'holdercompri'sing a plate, and means for adapted to engage between their ends when pressure is applied to the wires.

4:. A' scraping tool having a plurality of wires generally square in cross section and positioned side by side, the forward ends of said wires being bent downwardly at an angle and being provided with scraping edges at theirextremities, a clip to which the rear ends of said wires are connected, a holder comprising a plate against which said clip is adapted. to engage and provided with a longitudinally extending slot, and a screw extending through said slot and clip for adjustably connecting the parts together.

5. A scraping'tool having a plurality of wires positioned side by side and provided with scraping edges at their forward extreinities, a clipto which the rear ends of said wires are connected, a holder having a longitudinally extendingslot, and means extending throughsaid slot for adjustably connecting' said clip to said holder, said holder at its forward end having a lip provided with a transverse slot through which said wires extend.

6. A scraping tool having a plurality of WII'GS. generally square in cross section and positioned side by slde, by forward ends of said wires being bent downwardly at an prising a plate-like member having a longitudinally extending slot and a down-turned wires positioned side by side, vends of said wlres lip at its forward end provided-with a transverse slot, said wires extending through said transverse slot, a screw extending through. said first slot and said clip, and a nut on sa d screw I 7. A scraping tool-havinga plurality of wires positioned side by side and provided.-

with scraping edges at their forward jextremities, said wires adjacent their rear ends having curved humps, a clip havingra slot and seats for a pin, and a pin engaging in ,a

said: seats and fitting in said humps, said humps fitting in said slot. 7

8. A scraping tool having a scraping instrumentality comprising a and a second member embracingsaid wires and having a portion against which said wires are adapted to engage, said wires and I said second member belng relatively adjusta able. 7

AUSTIN L. sTow LL. 7

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