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Патент USA US2406556

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Allg. 27; 1946.
Y Filed Sept; 16,l 1945
E@ L.
' f
,55 /4/4?9 _
2 Sheets-Sheet ll
Aug. 27, 1946.
Filed s雙t. 1e, 1945
79 9/02 �
2 Sheets-Sheet 2
Patented Aug. 27, 1946
Ernest F. Moon, Denver, Colo., assigner to Rem
ingtonv Arms Company, Inc.?_Bridgeport, Conn.,
a corporation of Delaware
Application September 16, 1943, Serial?No. 502,565
7 Claims. (Cl. 51e-170.).
The present invention relates- to an improve
ment in honing machines, particularly for the
finishing or polishing of tools, dies, and the like,
?taken along the line 9_9 of1Fig.,8, the honing.
which require a highly polishedv precision sur
face. An- object ofA the invention> is `to provide
a tool of this character for both external and
' taken along the line IIJ-l0 of Fig. 8. '
stone elements being removed.
Fig.� is al transverse vertical sectional. View..
` a perspective View of the. upper and:`
e: lowerV stone carrying sleeve members inverti-y
callyl separated relation.
internal finishing operations, adapted to be con
veniently hand operated, so asto permit of the
Similar reference characters indicate corre
spending parts throughout> the several figuresv of
effective controlled iinishing of the work Within
extremely close tolerance limits, and by means of 10 the drawings.
In'Figs. 1 ?to 6 there is. illustrated a honin
which the finishing operation may be carried out
machine constructed in accordance. with the'. in.
with better polishing results and in. substantially
vention, whereink a pair of oppositely reciprocat
less 'time than has heretofore been required with
the use of builing wheels and compounds.`
ing stone members are associated籿 in. the mach-ine~l` The main supporting and driving parts are the
lA' further object is to 'provide a honing ma
. motor of the conventional type. of hand tool,- not
chine adapted for'convenient assembly with a
shown, thev extension arm- Il of itshousing, and
hand-held power unit, in the form of an electric
the box cam i4 carried by the motor: shaft> I3.y
motor having a drive shaft `projecting from a
The main supporting4 sleeveY 35. is secured� tohandle extension vof the motor housing'.`
the cylindrical end I2'A~ of .the extension. Il 縝y
Another object is- to provide a honing'ma?-V
chine including one or more reciprocating hon
means. of a set screw 316, and is provided with> a
longitudinal'. guide slot. 31 in its upper side.; In
the. diametric lateral plane of the projectingV end
portion of the sleeve 35 there are provided a pair
ing飐tone elements, arranged for engagement
with the work piece, and' wherein yielding means
is provided for engagingv the stones with the
work piece, to the end that the hand-held?~ma
Vof opposed longitudinal. slots 38---38', in which. ~
chine may be manipulated with a highly con
trolled degree� of engaging pressure on the work
are engaged key strips. 39-39 extending into en.-~
gagement. with the cylindrical surface of the box;
bodiments of the invention are shown in the ac
companying drawings, and 籺hese embodiments
30 carrying sleeve membere 4'� and 4l are> slidably l
engaged within theV mainv supporti-ng sleeve in
surrounding. relation to the. cam and respectively
above and below the key strips 39, the upper
sleeve member 4i] being provided with anV in
will. be hereinafter more fully described with
reference thereto, and the invention will be
finally pointed out in the claims.
?In the drawings-
A pair of spaced cylindrical surfaced stone:
-With the above and other objects in view, em
wardly projecting pin 42 engaging thecam track
i6, and the lower sleeve member 4|' being vpro
vided w韙h aninwardly projecting pin 43 engag
ing the cam track in diametrically opposed rela
Fig. 2 is a longitudinal vertical lsecti?onalview c
tion tothe pin 42. Rotationl of? the cam� imparts
Fig. 3 is a transverse vertical sectional View, 40 oppositev reciprocatory'movement to the sleeve
taken along the line 3`---3 ofY Fig. Y2.
Fig. 4 is a transverse vertical sectional View
To each of the sleeve members Athere is secured
taken along- the line`4-~41lof Fig; 2. ' i
a honing stone. 44?, the connection means for
Fig. 51 is a View partially in- section and par
which consists of an armk member 45 formed of
tially inside elevation, showing the tool illus 45 spring?metal and secured i-n a recess 46 in the
trated in Figs. l to 4 engaged with the workpiece.
馻t'. inner face of the forward end wall-lof theA
Fig. 6 is a plan View of the inner side- of one
sleeve member by means of a screw 41, the pro'
jecting portion of' the arm'being provided with
of the honing stone carrying sleeve members and
the honing stone element carried thereby.
a- pair of' bayonet slots 48 in which are engaged
Fig. 7 is a plan view- of a modi馿d form of the 50 bayonet hook portions 49- of a spring clip -mem
ber 50 in which the inner end ofthe honing stone
Fig. 8 is a longitudinal vertical sectional View
is engaged and secured. The outer surfaces?of
thereof, partially in side> elevation, taken along
the honi-ng stones are preferably cylindrical and
the line 8-8 of Fig. 7.
of rounded tapered form at their outer ends.
lf?頶. 9 is al transverse vertical sectional- View, 55
A safety cover sleeve 5I is slidably engaged
Fig. 1' is a side elevation of a honing machine
illustrating one formV of? the invention. ,
mation, this slideway formation of the upper
� about the main supporting vsleeve 35, and is >pro
sleeve part consisting of an upper flat horizontal
vided at its outer end with a flat forward wall 52
wall portion 1I, and retaining slideway guide
channels 12 and 13, the channel 12 being formed
lhaving a central aperture 53 therein through
; which the stones are adapted to be projected. AA
� knob 54 is screwed into the cover sleeve and is
in the forward wall 6T and the channel 'I3 being
formed in a forward inwardly extending flange
portion lli of the upper wall portion? 'II. The
slideway of the lower sleeve partis of similar
3 main supporting sleeve, the length 0f the slot de
form, and comprises a lower flat horizontal wallr
� termining the projected and retracted positions
of theV safety sleeve. Within the safety sleeve,l 10 .portion 15, a slideway guide channel 16 formed
. i provided with a screw portion 55 projecting inf
` wardly into engagement with the slot 31 of the
- in the forward wall 68 of the lower sleeve part
i between its forward wall and the outer end of
` the' main supporting sleeve 35, there is provided
� projects
a relatively
springv 56 which
normally,VV *�
and 'a slideway guide channel ?I'I formed in the
inwardly extending forward flange portion 'I8 of
the lower wall?portion 15.
Thus pressure upon
l the end of the safety sleeve against the face of 15v " The uppe?i頯 stone 镲carrying member is in the
`form of a boX-likevsleeve of generally rectangular
� the work projects the honing stones through _the
form, and comprises an upper rectangular plate
1 aperture 53 into engagement with the work, as M
� shown in Fig. 5, the safety sleeve in this case if portion �I� slideably engaged at its longitudinal
edges for transverse reciprocatory sliding move
1 serving to steady the position of the honing ma
` 1 chinerwith-respect tothe work. ' Thesafety sleeve
� may also be retracted by means of the knob,> the
' l pressure of the spring beingsuf鹀iently light Aso
ment in the guidechannels 12 and 73, and having
inrits; upper ?surface縜 relief recess 80. ?l In Vfor粇
wardly> spaced relation toits rearward` edge 'the
' � that it maybe held in retracted position during. l plate portion 'I9 is provided with __a _depending
thehoning operationby a finger of _the hand sup- , , verticali-wall遧I having a central vertically dis-A
i porting vthe machine., , Inz operation the honingV 25 posedcam receivingvslotY 32,v and in rearwardly;
spaced >relationto itsiforward edge Vis provided'y
l stones are reciprocated rapidly in opposite >direc
` tions, .thespringiness ofthe supporting arms 45
縤 allowing them to yieldslightly as they engage
; the work.
- with a depending verticalwa1l83, the upper stone f
84, Vof generally rectangularform, beingengaged
. between thegwalls 8l and 83 and secured thereinV
縄n Figs. v to 11 there isiuustrateda m騞med
by means of setscrews 85'inthe forward wall 83.
form vvof the invention,pwherein the honing stones. i
The Astone is provided with a suitablerwork en-y
gaging surface, consisting 籭n the Villustrated'ern-H;
are; arranged for reciprocation at right angles to
bodiment of a central V-groove 86 extending part>
Y . theaXis. of the motor shaft, this embodiment be
� ing. particularlyadapted for external honing, asY ` , allel to the direction of-re珥pr頾cation of _the stoner,
' The sleevefor carrying thelower honing stone`4
forY Ainstance polishing Aof4 the Vcylindrical outer
surface cfa punch. A two part main supporting
,comprisesv a _rectangular bottom plate portion 87,'
sleevenfgenerally cylindricalform isV mounted, `
engaged at `its 縧ongitudinal `edges with the slide- i
way guide channel虸I� _and-,'11, and having kin its ,i
1 upon the. motor eXtension_I I, the _lower substan- ' j?
extension il i with vthe cylindrical fforward end. �
undersurface >a relief, recess l88;V {In forwardlyV
spaced relation Ato its rearward ?edge thebottom
plate portion 81 is provided >with anupstanding
portionrv I2Y thereof fitting the inner 'cylindrical
vertical wall 89, recessed at ,its forward side as at
surface of the Vlower sleeve part, which is secured _
9!)r to provide awrelativelyrthick lower,por.tion?the .
i tially Vsemi-_cylindrical sleeve `part 5'I? being en
gagedabout the _lower half of the motor housing'
lto .the extension by means of .a Vsemi-circular1r Y inwardly VVdisposed 籝 shoulderv ledge. of. fwhich
f clampES encircling the upper half> of the portion 45 is vertically opposedto Vthe wa11l8I of the upper`
sleeve, and a relativelyrvthinner upperwall-portion 2
1 I2 .andfsecured atiits outwardly projecting馻nge 1
inwardly offset from the wall 8|v of the upper ?
` Ysleeveand overlapping-Vit.Y lThisrelatively thin
j sleeve; part.; ~ At its inner end the lower sleeve partA y y nereupper -wallpgrtion is provided ?centrally with#
a vertical cam receiving slot ill.K In rearwardly ,
is 頿rovided with aV cylindrical band portion 52
spacedprelation to its forward` edge the bottom '
` for encircling engagement about the tapered sur
? � portions 59 by screws 6i) to ledge Aformations,
i 6in1-?5I provided upon Vopposite sides of the lower
plate portion 81 ishprovided with an upstanding ;
l faceof theextension I I in proximity- to themotor
1 housing,
`vertical wall 92, the lower, honing stone393 being .
The upper substantially semi-cylindrical sleeve
� , engaged between this wall and the relatively thick ~
` part哜encloses. the� upper side vof the extension. 55 lower part of ,the wall 89 andsecuredtherein by
set screws 94'in'theforward wall/,92. Y The lower ,
Q IIrin opposed relationr to the lower sleeve', part, t
honing stone 973 is ofA identical forni with'the?up
; and Vis hingedly connected to thelatter by means'
ofhinge pins 64 having bearing in upwardlyfprof,
per stone, and is provided centrally with�'a " -
Vjectinghinge supporting plates 65,-55 welded or Y . V-grooveV 951 opposed `to the?vi-groove 86 ofthe
i otherwise suitably secured at opposite sides to the 60 ?upper stone. _In- order tobalance the-粀eight'o'f ;
`the lower sleevewith~ the upper sleeve, the lower
i lower.� sleeve part, V,Arsemi-cylindrical' recess,> 66
sleeve is providedvwithjza rectangular opening 96 �
� is ?previded in籤 the ,_ inner, surface of4 the upper
in its lower plateportion A8l anda series of cylin
1 sleeve partwithin whichthe clamp 58 isreceived., ?
,Y ducal holes 91 in thefrennvelythick ylower part i A
Y, The upper Land lower; sleeve partsV projectlfor
` wardly a` substantial distance Yfrom the endrporf,l 65
tion-Iz-oftheV motor housing extension II, and - y
` arerespectively _provided with inwardly extend- 1
motor shaft I3 籺here is� engaged anvinternally
ing?opposed end walls 6'I and 68 having substan- >
1 tiallyvserni-cylindrical recesses 69 and 10 therein `
threaded cam arbor 98,-_駒ed in position by means _
.of a lock nut 99 and extending'at'its-籪orward
reduced diameter portion |00 through the pas- `
l forming'a motor shaft passage coaxialwith the
Upon the forward -screwthreaded end ofzthe
l70 sage provided by the Vrecesses _59 Yand 'I0 ofY the
�.The honing stones are respectively'carried _upon '_ ' upperand lower supporting sleeve'partagbeing �
providedv upon its -reduced_diameter forwardly Y'
i thel forward ends of the upper and lower supp騬t- .
ing蛃Ieeve'parta--and for this >purpose each >sleeve e projecting _ end>`- portionl I 40_I縛 縲ith eccentrically
motor shaft.
` � part i'sprovidedwith Va transverse, slideway'for 75 mounted Ycircularv cams |82 and ID3 positioned
cams being set so that they are eccentricv in
diametrioally opposite directions. The cam |02
is engaged in the slot 82 of the upper stone
carrying sleeve member and the .cam |03蚷s en
gaged in the slot 9| of the lower stone carrying
sleeve member, the cam diameters correspond
ably engaged with said supporting sleeve. and'
having an apertured forward endv through which.
said tool is adapted to be projected through 'ree
in spaced relation by a spacing washer |04, these
traction of said cover member. '
i ?
2. In a iinishing tool, a drive unit including a.
housing and a rotatable drive shaft` mounted
therein, cam means on saidv drive shaft,..a sup.-.
porting member engaged. with said housing,
ing to the widths of the slots. 'Thus rotation of
slideway guide means carried by said. support
the motor shaft causes the cams to impart rapid
ing memberand arranged'> parallel to. the axis
reciprocatory movement to the stone carrying
of, said drive shaft, a pair ofzoppositelyarranged
sleeves in opposite directions.
tool carriers mounted for reciprocation in said
In operation the honing stones have theV work
guide means, and cam engaging means respec
piece engaged between them in the V-grooves
tively carried by said tool carriers and engaged
86 and 95, the work piece being preferably ro
tated slowly during the honing operation. For 15 with said cam means, whereby rotation of said
cam means imparts simultaneous reciprocation to
the purpose of engaging the work piece between
said tool carriers in opposite directions.
the stones, as well as to accommodate work pieces
3. In a 駈ishing tool, a drive unit including a
of different diameters and to apply compressive
housing and a rotatable drive shaftmounted
pressure of the stones upon the work piece, the
upper supporting sleeve part is adapted to have 20 therein, cam means on said drive shaft, a sup
porting sleeverengaged about said housing and
swinging movement with respect to the lower
including a portion projecting from said housing
sleeve part about the hinge support 64, without
in surrounding relation to said cam means and
disturbing the cooperative engagement of the
constituting slideway guide means arranged
cam |02 in the slot 82, so that the reciprocating
actuation of the stones takes place in any posi 25 parallel to the axis of said drive shaft, a pair of
oppositely arranged substantially semi-cylin
tion of the relative swinging adjustment between
drical tool carriers mounted for reciprocation in
the two stones.
said guide means, and cam engaging means re
Yielding pressure is applied between the upper
spectively carried by said tool carriers and en
and lower supporting sleeve parts, and for this
gaged with said cam means, whereby rotation of
purpose a tension clamp is provided comprising
a yoke |65 secured at its side arms by means of
screws |06 in hat-surfacedl recesses IBL-|37
said cam means imparts simultaneous reciproca
tion to said tool carriers in opposite directions.
provided in the opposite sides of the lower sleeve
d. In a iinishing tooLadrive unit including a
part contiguous to its forward end, this yoke
housing and a rotatable drive shaft mounted
member being disposed in arched spaced rela 35 therein, cam means on said drive shaft, a sup
porting member engaged with said housing, slide
tion to the upper sleeve part. An internally
threaded tubular spring supporting bushing |98
way guide means carried by said supporting*`
is screwed in a threaded hole |09 provided cen
member and arrangedparallel to the axis of said
trally in the yoke, and is provided with an ad
drive shaft, a, pair of oppositely arranged tool
justable pressure screw Il�, a helical tension 40 carriers mounted for reciprocation in saidguide
spring ||| being engaged at its upper end with
in the lower portion of the passage through the
bushing |88 and at its lower end in a circular
means, springy tool mount members respectively
carried by said tool carriers yieldable toward and
away from each other, tools respectively rcarried
pocket ||2 provided in the upper side of the
upper sleeve part 63. This spring presses the
upper honing stone 84 toward the lower honing
stone 93, and permits opening of the stones to
means respectively carried by ,said tool carriers
and engaged with said cam means, wherebyro
engage the work between them and to accom
reciprocation tosaid tool carriers in opposite di
modate work of different diameters. By adjust
ing the screw ||0 the tension of the spring may
be regulated to apply greater or less compressive
pressure of the stones upon the work being
by said tool mount members, and cam engaging f
tation of said cam means imparts simultaneous
f rections.
5. In a finishing tool, a drive unit including, a
housing and a rotatable drive shaft mounted
therein, cam means on said drive shaft, a sup
porting member engaged with said housing, a
The form of the invention illustrated in the
pair of opposed slideway guide means> carried by "
drawings and described herein is typical and
said supporting member arranged transversely at
illustrative only and it is evident that the in
right angles to the axis of said drive shaft, tool
vention is capable of embodiments in other forms,
carriers mounted respectively for reciprocation
in said guide means, and cam engaging means
all falling within the scope of the appended
respectively carried by said tool carriers and en
claims, which are to be broadly construed.
gaged with said cam means, whereby rotation of
What is claimed is:
said cam means imparts simultaneous reciproca
1. In a finishing tool, a drive unit including
tion to said tool carriers in opposite directions. ?
a housing and a rotatable drive shaft mounted
6. In a finishing tool, a drive unit including a
therein, cam means on said drive shaft, a sup
housing and a rotatable drive shaft mounted
porting sleeve engaged about said housing and
including a portion from said housing in sur 65 therein, cam means on said drive shaft, a sup- �
porting member engaged with said housing, a
rounding relation to said cam means and con
stituting slideway guidemeans arranged parallel
to the axis ofV said drive shaft, va tool carrier
mounted for reciprocation in said guide means,
cam engaging means carried by said tool carrier
and engaged with saidv cam means, whereby rota
tion of said cam means imparts reciprocation to
said tool carrier, a tool carried by said tool carrier
pair of opposed slideway guide means carried
by said supporting member arrangedA transversely
at right angles to the axis of said drive shaft,
one of said guide means being movable- toward
and away from the other guide means, springk
meansl arranged to exert pressure on said mov
able guide means toward said other guide means,
tool carriers respectively mounted forireciproca- e
projecting forwardly therefrom, and a spring
projected tubular protective cover member slid 75 tion in said guide means, and cam engaging
縨eans respectively carried by'said tool carriers
porting- member arranged transversely at ` right
and engaged with said cam means, whereby ro
V縯ation ofsaid cam means imparts simultaneous
reciprocation to said tool carriers in opposite di
angles to the axis of said dr顅evshaft, tool carriers
respectively Vmounted for reciprocation in said
guide means, and cam engaging means respec
housing and a rotatable drive shaft mounted
tively carried by _said tool carriers and respec
tively engaged With said cams, whereby rotation
ofrsaid cams imparts simultaneous reciprocation
thereinja pair of oppositely eccentric axially
to said tool carriers in opposite directions. f
` �1In a 駈ishing tool, a drivevunit including .ai
縮paced cams on said> drive shaft, a supporting
memberengagedwith said housing, a pair of op-`posed slideway guide means carried byi said' sup
i � _ERNEST F. MooN.
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