US2452818A - Machine for removing putty - Google Patents

Description

MAGHINE FOR REMOVING PUTTY Filed June 25, 1946 A r TUR/wx Patented Nov. 2, 1948 UNITED STATES PATENT OFFICE MACHINE FOR REMOVING PUTTY Alan W. Williams, Westwood, Los Angeles, Calif.

Application June 25, 1946, Serial No. 679,215

5 Claims. l

This invention is a machine for removing hard putty from window glass, and the general object of the invention is to provide a power-driven putty-removing machine, by means of which the surface putty may be rapidly cut and removed from wooden window frames.

A more particular object is to provide a puttyremoving machine of the character stated, which may be conveniently held in one hand and easily operated and guided by the operator, and which is simple in construction and highly efficient in operation.

A further object is to provide an attachment which may be readily attached to a conventional motor-driven hand drill and operated by said drill for cutting and removing hard putty from window frames.

Other objects and advantages will appear hereinafter.

The invention is illustrated in the annexed drawing which forms a part of this specication and in which:

Fig. l is a longitudinal section of my invention as applied to a conventional motor-driven hand drill.

Fig. 2 is a front view of my invention, partly broken away to show certain features of construction.

Fig. 3 is a fragmentary side elevation of my invention shown applied to a glass window in the act of cutting and removing the hard putty from an edge of the frame of said window.

Fig. 4 is a forward end view of my invention.

Fig. 5 is a fragmentary longitudinal section of my invention taken on line 5 5 of Fig. 2, showing certain details of construction.

Fig. 6 is a fragmentary plan of the inner side of the cutter guide head showing the means for adjustably securing one of the frame edge guides on said guide head.

Fig. 7 is a detail sectional View taken on line 1 1 of Fig. 5.

Referring more particularly to the drawing, in which the same parts are designated by the same reference numerals in all of the figures, my invention is illustrated in the form of a puttyremoving attachment, designated generally I, which is detachably mounted on the forward end of a conventional electric motor driven drill, designated 2, said drill being constructed with a motor casing 3, a handle 4 extending from one side of said casing, a motor switch 5 on the under side of said handle. a motor shaft S extending, from the electric motor (not shown) in said motor'casing 3, throughV the forward end of said f as an attachment, to the drill casing, and a chuck 'l secured on the outer end of said motor shaft 6.

The attachment l includes a cylindrical base sleeve 8, a glass engaging guide d, a cutter guide head IG formed with an inwardly extending sleeve H telescoping within the outer end of said base sleeve, a clamp i2 for clamping said guide-head sleeve in adjusted positions in said base sleeve, and a rotary cutter i3 detachably held by its shank ill in the drill chuck l and extend'ng outwardly through said sleeve li and an opening l5 in said guide head i0 beyond said head.

The inner end of the base sleeve 3 is formed with an external annular flange le and said end of said sleeve is detachably and turnably coupled to a threaded boss il on the forward end of the drill casing 3 by means of a threaded sleeve coupling i8 formed at its outer end with an internal annular nange i9, which coupling is threaded on said threaded boss il, with its internal flange I9 engaging said external flange ld on said base sleeve 23, and clamping the inner end ci said base sleeve against the outer end of boss il, whereby my invention is detachahly secured, with its hase sleeve 8 surrounding the drill chuck l.

The base sleeve 3 is formed at its outer end with an external annular ange and the glass-engaging guide 9 is formed integral with said flange 2G and extends forwardly therefrom at the front side of said base sleeve adjacent the front edge of the cutter guide head id for engaging the glass of the window.

The external ange 2S on the forward outer end of the base sleeve 8, and the forward cuter end portion 2i of said sleeve are split at one side thereof by a slot 22 extending longitudinally of said sleeve from the forward outer end thereof to provide for contraction and expansion of said end portion of said sleeve which forms a part of the clamp i2. Said clamp includes said split flange Ztl and forward outer end. portion of said base sleeve e, and an Allen set screw Said set screw 23 is fitted in a bore in the flange ZU of the base sleeve d, which bore extends through the front part 25 of split flange 2B, and into the rear part or" said at the rear side of said slot 22. The set screw g3 extends rearwardly into said bore 53d across said slot 22, with the inner end portion El of said screw threaded in the inner end portion of said bore in said rear part 2E of said split flange 2%, and the head 28 on the outer end of said screw fitted in the outer end portion 2e of said bore 2li, which end portion of said bore is enlarged to receive said screw head 28, there being an annular shoulder S formed at the juncture of the inner end of said enlarged end portion 2S of the bore 2e and the remaining rear portion of said bore, which shoulder 36 is engaged by said head E3 of the set screw 2S while the inner threaded end portion 2i of said screw engages the inner threaded end portion of said bore 211 whereby the parts Z5 and 26 of the base sleeve 8 and the :adjoining parts `of vsaid base sleeve cpposite'the slot @rifare ydrawnitowardeach other Y and the outer end portion of said sleeve 8 is contracted around the rear inner end portion of the cutter head sleeve Il, thus clampirlgsaid cutter sleeve in said base sleeve with the cutter head Iii adjusted with relation to the cutter I3.

The cutter guide head I0 on the outer end of the sleeve i i may be of rectangular'form with the cutter opening i5 in the center thereof. VAApair of frame-edge guides Si are detachably and adjustabiy mounted `ori-the outer-.face of thecutter ide head i@ in a pair of transverse slots 32, respectivelyat oppesite sidesof thecutter opening in saidfguideheadin parallelrelaton to theAbasesleeve glass guide 9, by'rneans of `Allen guidestl is formed cnits inner side Vwith a shanla which extendsdnwardly into one of the slotat in the cutter guide headl, and an Allen .set screw 3S extends inwardly throughfthe frameedge guide 3 i AYand its-said shank 35 into a countersink. 3% of 'the siot Iifin theinner side. of the cutter guidehead i8, with the inner end of the set screw threadedinto an elongatednutd fitted in said countersink, which set screw rdraws said nut againstthe bottom wall Eloi .the countersink `3S and Ythe frame-ledge guide 3| against-the `outer face of the cutter guide head Ii) for. detach- .ably securing the Yframe-edge guide3I .in position on the outer sideofsaidcutter guide head. The slots 32 in thecutter guide head le are slightly longer than thethickness of the vShanks A35 ofthe -edge .guides 3i. and vthe vcountersinks .S `oi siete are slightly longer than the elongated nuts 3d to permit movement. upon loosening the t screws oi'said Shanks -aedsaid-nuts in' the cutting depth-ofthe rotary cutter I3 in cut-K ting the putty from-the edges ofawindow frame. The side-:edges-ef the edge guide shanks35 tthe side edges of the elcts 32 closely, as indicated at Si, landthe-side edges of thenuts `3d t the side edges of the countersinks .36 closely, as'indicated at to prevent yturning of frame-edge guides Si aand thenuts Sli, respectively, withrelation to the guide head il?. The rear edges 39 .of the freine-edge guides 3i are inclined forwardly and outwardly to pass over the inclined outer side of Liy along the inner edges I of awindow andto engage said window frame edges guiding the rotary cutteralong said edges to Vcut the putty away from the same, inthe manner hereinafter more fully described.

Tse operation of my invention is as follows: Tile cutter guide head Il] being secured inits .adjusted posit-Tron bythe .clamp I2, and the .win- ,dow frame edge guides 3l beingsecuredin their adjusted positions by the set screws 33 and` 34, the operater *upon grasping the handle d of the motor drill .v2 holds said. drill and my putty removing attachment .i in position-With: the puter-.end of vthe 4 glass-engaging guide 9 against the surface of the glass d3 in the window frame d2 and the rear side of the rotary cutter I3 against the putty 40 at one edge of the window frame 152. The oper- 5 ator then closes the switch 5 with his forenger and the cutter I3 is rotated by the electric motor in the drill 2, whereupon the operator, holding the drill handled, moves the drill and my attachment i toward the window frame d2 until the 10 rotary cutter i3 cuts away aportion of the putty dd at said edge di of the-window frame d2 and the rear side of said rotary cutter is positioned adjacent the inner side edge di of one side of the window frame Yl2 by the engagement of the inclined edges 3S ofthe frame-edge guides 3| with said frame edge 'iii andthe inciined face of the putty ed, as illustrated in Fig. 2 of the drawing. The operator, holding the drill handle l, then moves 4tnedrill 2 and my attachment I along said edge ii of the window frame and the rotary cutter I3 :cuts the putty flvaway from said edge of the winfdow frame until the foremost Yframe-engaging guide 3i reaches a corner of the windowframe, leaving a short length of puttyagainst said edge Y ii between the cutter and saidv corner. The oper- `set screwsS-.and nutsE-d. Each of theframeator then turns my putty-removing attachment I Vand the drill 2 with relationto each other to a suitable position and applies my attachment, as .abovedescribed to the adjoining putty edge of 430 the window frame leading from said corner, with the cutter i3 a short distance in advance of said corner, and cuts the putty away from said edge =as.,above describeduntil the neXt corner of the windev-.tirarme is reached. My invention is then :applied successively to the remaining putty edges of the window frame and the putty is cut away from said edges as above des-cribed,tleaving short lengths of putty in the edges of the window frame at the corners of said frame, which putty is removedfrom saidfedges at said corners by a knife. .By lmeans of my invention the .putty may be removed rapidly and cleanly from the edges of vva window frame, thus saving time andlabor and i n 1reducing-thev cost 4of removing .said putty.

My invention is adi ustable to cut the putty from the shallowest -to the deepest rabbets in stock window frames, by loosening the clamp I2 and moving the cutter guide head sleeve iIinwardly ,and outwardly with relatlon to the base sleeve 8 to the proper vertical adjustment and then tight- .ening said clamp I2.

'ii/Iy invention may be operated without the use ofthe glass guide .ii by means of the frame edge guides SI engaging the frame edge il and the cuttenguide headrl engaging-the outer sidey of the window frame 32. Y

I claim:

l. A. machine for removing putty .from the vedges of the fra-me of a glass window, avcutter,

a guide for engaging the faceof the glass of said window, a pair offrande-edge guidesfor engaging a puttied edge of said window, and means-for Yoperating said cutter for cutting away the putty from'said edge as said cutterris guided by said guides along said puttied edge.

2, A machine of the characterias disclosed including Va mctor easing, a motor in said casing, a .handle on saidcasing, a hase sleeve turnably mounted on said casing, 'a guide on .said base sleeve for engaging the glass of glass window, a ,cutter guide head formed. with a shank sleeve teiescoped into .the outer end of said base sleeve,

a critter extended through said cutter guide head .andits sleeve, and. driven by said motor, a pair of -f,:frame-,edge guides mountedcn said cutterguide formed with a casing, a motor in said casing, a y

handle on said casing, a motor controlling switch projecting from said handle, the shaft of said motor extending through one end of said casing, a chuck on the outer end of said motor shaft, and a threaded boss on said end of said casing throughwhich boss said motor shaft extends, of a putty removing attachment including a base sleeve, a coupling threaded on said boss and turnably coupling the inner end of said base sleeve to said boss, a glass guide on said base sleeve for engaging the glass of a glass window, a cutter secured in said chuck, a cutter-guide head formed with a shank sleeve telescoped into the outer end of said base sleeve, through which shank sleeve and said cutter 25 guide head extends said cutter, a pair of frameedge guides mounted on said cutter-guide head for engaging a puttied edge of the frame of said window, and a clamp for clamping said shank sleeve in said base sleeve with said cutter guide head in adjusted position with relation to said cutter and said glass guide, for enabling said frame-edge guides, together with said glass guide, to guide said cutter along said puttied edge, whereby the putty is cut away from said edge by said cutter.

4. A machine for removing putty from the edges of the frame of a glass window, as characterized by claim 1, in which the guiding edges of said frame-edge guides are inclined to pass over the inclined outer surface of the putty in said frame edges.

5. A machine for removing putty from the edges or the frame of a glass window as characterized by claim 1 in which the frame-edge guides are adjustable with relation to the cutter toward or away from the puttied edges of the glass Window.

ALAN W'. WILLIAMS.

REFERENCES CITED The following references are of record in the le of this patent:

UNITED STATES PATENTS Number Name Date 497,197 Nellis May 9, 1893 1,423,511 Baker July 25, 1922 2,084,458 Schutten June 22, 1937 2,140,120 Toniarin Dec. 13, 1938 2,161,040 Harmon, Jr. June 6, 1939 2,246,761 Saliba et al June 24, 1941

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