close

Вход

Забыли?

вход по аккаунту

?

Патент USA US3032895

код для вставки
May 8, 1962
3,032,885
P. HRYCENKO
CENTERING DEVICE
Filed Jan. 5, 1960
2 Sheets-Sheet 1
r<—4
//2
/0
Fig. /
Peter Hrycen/ro
INVENTOR.
”s gnaw,
May 8, 1962
P. HRYCENKO
3,032,885
CENTERING DEVICE
Filed Jan. 5, 1960
2 Sheets-Sheet 2
A
v
Peter Hrycen/ro
_
ZN VENTOR.
.
BY Mm“.
Uited States Patent vO ” 1C6
1
3,032,885
CENTERING DEVICE
Peter Hrycenko, 86 Marcella St., Boston, Mass.
Filed Jan. 5, 1960, Ser. No. 568
6 Claims. (Cl. 33-185
The present invention generally relates to a centering
3,032,885
Patented May 8, 1962
2
pivotal indicator plate member 18 having a generally
circular lower end portion 20 and a reduced neck por
tion 22 and an arcuate upper end portion 24 having a
graduated scale and numerical indicia 26 thereon with
the graduating scale having a zero mark at the center
and being graduated from zero to ten or ?fteen degrees
in both directions from the center. The center of the
device and more particularly to a device for use in con
plate member 18 is provided with a bearing pin 28 having
junction with various machine tools and the like for
conical end portions 30 received in bushings or bearings
indicating the relationship of the tool to the work where 10 31 that are disposed in sockets 33 in the elongated plate
by the tool may be set in a predetermined angular rela
12. Also, the lower end of the circular portion 20 is
tion to the work or centered in relation to the work
provided with an arcuate notch 32 de?ned by ends en
depending upon the nature of the tool and the operation
gageable with the plate 12 to limit the pivotal movement
of the plate member 18. Also mounted on the pin 28
to be carried out by the tool.
The primary object of the present invention is to pro 15 is a generally U-shaped counter-weight 34 having a bight
vide a centering device for use in conjunction with ma
portion 36 extending under the rounded end 20 and being
chine tools especially such'as are employed in lathes and
disposed in the notch 32 as illustrated in FIGURE 3.
the like for indicating the relationship of the tool and
In use of the present invention, the plate or body 12
the work so that this relationship may be set at a desired
is disposed between the tool 38' and work 40. When
orientation depending upon the particular operation of 20 pressure is applied against the tool 38 towards the work
the tool on the work.
40, the plate or body 12 will be angulated as illustrated
Another object of the present invention is to provide
in FIGURE 5 while the weight 34 maintains the indicator
a centering device in accordance with the preceding object
plate 18 vertical so that the angle of inclination of plate
in which the centering device basically incorporates two
12 may be read on the graduated scale 26. This will
components with one component being counterweighted 25 indicate the orientation of the tool 38 in relation to the
and the other component pivotally supporting the counter
center line of the work 40 and speci?cally indicate this
weighted component and adapted to be received between
orientation in degrees above or below the center line of
the tool and the work whereby the supporting component
the work.
will be disposed substantially tangential to the work or
FIGURE 6 illustrates a similar arrangement in which
perpendicular to the line of force exerted by the tool 30 the centering device is disposed between a tool 42 and
whereby the counterweighted component will indicate the
work 44 in which the tool v42 is aligned with the center
angular relationship of the tool and the work by indicia
line of the work or in zero degrees relationship thereto
carried by the pivotal counterweighted component.
whereby the centering device will indicate the center line
A further object of the present invention is to provide
and the relationship thereof to the tool 42. Of course,
a centering device which is extremely simple in construc
the device may be used with various types of tools in
tion, easy to use, relatively accurate and relatively inex
cluding lathe tools or the like for orientating the tool in
pensive to manufacture.
‘the proper relation to the center line or gauging the tool
These together with other objects and advantages which
to see if it is properly set in relation to the work'
will become subsequently apparent reside in the details of
The foregoing is considered as illustrative only of the
construction and operation as more fully hereinafter de 40 principles of the invention. Further, since numerous
scribed and claimed, reference being had to the accom
modi?cations and changes will readily occur to those
panying drawings forming a part hereof, wherein like
skilled in the art, it is not desired to limit the invention
numerals refer to like parts throughout, and in which:
to the exact construction and operation shown and de
FIGURE 1 is an enlarged front elevational view of the
scribed, and accordingly all suitable modi?cations and
45 equivalents may be resorted to, falling within the scope
centering device of the present invention;
FIGURE 2 is a side elevational view of the centering
of the invention as claimed.
device of the present invention;
What is claimed as new is as follows:
FIGURE 3 is a detail sectional view taken substan—
1. A centering device for determining the relationship
tially upon a plane passing along section line 3—-3 of
between work and a tool approaching the work compris
FIGURE 1 illustrating further structural details of the 50 ing an elongated plate adapted to be received between
the tool and the work for orientation in perpendicular
invention;
FIGURE 4 is a detailed sectional view taken substan
tially upon a plane passing along section line 4-4 of
FIGURE 2 also illustrating further structural details of
the device;
FIGURE 5 illustrates the centering device of the
present invention in use for indicating the tool as being
set by degrees above the center line or zero degree mark
for turning work on an outside diameter; and
relation to the line of opposing contact between a tool
and its work, said plate having a slot therein adjacent
one end thereof, a weighted indicator plate member
55 pivotally mounted on said plate and disposed in said slot
for swinging movement in a plane substantially normal
to said plate under the in?uence of gravity, and a
graduated scale on said indicator plate member for indi
cating the position of the indicator plate member relative
FIGURE 6 illustrates the manner of use of the inven 60 to the elongated plate thereby indicating the angular rela
tion for indicating the tool set at the center line or zero
tion of the plate and the degrees above the horizontal
degrees for use in boring an inside diameter in the work.
center line of the tool in relation to the work.
Referring now speci?cally to the drawings, the numeral
10 generally designates the centering device of the present
invention which includes an elongated generally rectan
gular plate or body 12 having parallel surfaces, parallel
end edges and parallel side edges. Adjacent the upper
end of the plate or body 12 there is provided a relatively
narrow longitudinal slot 14 and a relatively wider longi
2. The structure as de?ned in claim 1 wherein said
65 indicator plate member is provided with a transversely ex
tending tapered pin having generally conical outer ends,
bearing means mounted on said plate for pivotally sup
porting the indicator plate member.
3. The structure as de?ned in claim 2 wherein said
tudinal slot 16 communicating with the lower end of the 70 indicator plate member is provided with an arcuate notch
in the lower end edges thereof, said notch being de?ned
narrow slot 14.
'
by end walls for engaging opposite surfaces of the plate
Mounted and disposed within the slots 14 and 16 is a
3,032,885
at the lower end of the slot thereby limiting the‘ pivotal
movement of the indicator plate member.
4. The structure as de?ned in claim 3 wherein said
indicator plat-e member is provided with a U-shaped
weight engaging the lower end thereof and‘ supported
4
plate, said plate member’ including weight means con
nected thereto for maintainingthe longitudinal axis of the
plate member vertical whereby angular inclination of the
plate may be determined by observing the relationship of
the graduated scale on the plate member to the surfaces
of the plate.
6. The structure as‘ de?ned in' claim‘ 5 wherein said
plate member is- provided‘ with a notch in- the lower edge
device for indicating the position of the tool relative to
thereof receiving a portion of the plate therein whereby
the center line of the work, said device comprising an
elongated plate received between the tool' and the work 10 the end edges of the notch will contact opposite surfaces
of the plate for limiting the pivotal movement of the plate
whereby application of force on the plate by the tool wiil
member in- relation to the plate.
orientate the plate in perpendicular relation to the line of
opposing contacts between the tool and the work, said
References Cited in the ?le of this patent
plate having parallel surfaces, an indicator plate mem
UNITED STATES PATENTS
ber pivotally mounted on said plate for pivotal move 15
ment about an axis parallel to the parallel surfaces of‘ the
371,294
wOOdS ______________ __ Oct'. 11, 1387
from the support for the indicator plate member.
5. For use in combination with a tool and work, a
plate, said indicator plate member being disposed in per
773,756
M11161‘ __.__~ __________ .__ DEC. 27, 1904
pendicular relation to the plate and including‘ an arcuate
2,542,938
Morris ______________ __ Feb. 20, 1951
end edge disposed adjacent the plate, said arcuate end
edge including a graduated scale for indicating thev angular 20
2,580,601
Rouse ______ __,_______ __ Jan. 1, 1952
2,609,616
Mueller _____________ .... Sept. 9, 1952
position of the indicator plate member‘ in relation to the
2,567,703
Zumkeller ___________ _._ Feb. 2, 1954
Документ
Категория
Без категории
Просмотров
0
Размер файла
287 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа