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Патент USA US3050297

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Aug. 21, 1962
3,050,288
w. KOLOCHYNSKI
AGITATOR FOR DOMESTIC MIXERS
Filed March 51, 1961
INVENTOE
WILL/Al‘!
KOZOCl/Y/VS‘K/ ,
By
a 6.
5770217575
'ie
3,956,288
Fatented Aug. 21, 1962
2
3,050,288
AGITATOR FOR DOMESTIC MIXERS
William Kolochynski, 2848 Leigh Road, Victoria,
British Columbia, Canada
Filed Mar. 31, 1961, Ser. No. 99,877
11 Claims. (Cl. 259-134)
transmission means (not shown). The shaft 10 is formed
at its other end with ‘a non-circular terminal portion 2%
which as shown is of square cross section and which ex
tends from a collar 22 preferably integrally formed with
said shaft. The free end of the squared terminal portion
20 of shaft 10 is provided with an outwardly projecting
stud 24 extending co-axially therewith. The stud 24 is
formed with a circular head 26 and a conical shank por
This invention relates to domestic mixer devices and in
tion 28.
particular to an agitator or beating element for use in
Each of the loop members 14 and 16 is in the form of an
such devices.
10
endless strip or band of a suitable somewhat resilient
It is an object of the invention to provide an agitator
of simple and inexpensive construction which is easily
assembled without the use of tools and which may be
firmly or releasably locked in its assembled position on
material. Preferably, the opposed arms 30 and 32 and
34 and 36 of the loop members 14 and 116 respectively,
are provided with enlarged central portions designated
the operating shaft of the mixer device.
15 38 and tapered towards each end thereof from the enlarged
central portion. The loop members 14 and 16 are de
It is another object of the invention to provide an agi
signed to be ?tted one within the other by suitable manipu
tator which is easily and quickly coupled to or removed
lation thereof whereby loop member 16 may be ?exed
from the mixer device and which may itself be readily
into inter?tting engagement Within loop member 14. The
dismantled enabling the component parts thereof to be
conveniently and thoroughly cleaned.
In accordance with these objects, the present invention
contemplates the provision of an agitator comprising a
loop members are adapted to be mounted on the shaft
10 in such manner that their general planes are vertical
and at right angles one to the other. For this purpose,
loop having diametrically opposite portions in substantial
each of the loop members is provided with apertures in
the enlarged central portions 36 thereof at opposite points
thereon equidistant from each other either way around
the loop. Thus, loop member 16 is provided with square
apertures 40 and 42 whilst loop member 14 is provided
abutment with corresponding portions of the other to dis
pose said loops so that they substantially intersect at
with a square aperture 44 and a keyhole aperture 46.
Aperture 46 consists of a hole 48 having a slot 50 com
diametrically opposite points with one loop extending
municating with and radiating therefrom, the width of
shaft formed at one end with a non-circular terminal por
tion; a stud secured to and projecting from the outer end
of the non-circular terminal portion of said shaft; and
agitating means comprising a pair of endless loops, each
across the outside of the other at diametrically opposite
slot 50 ‘being less than the width of hole 48. The hole 48
points, said loops formed with aligned openings at their
is made large enough to permit the head 26 of stud 24
points of intersection for reception of the non-circular
terminal portion of the shaft, the lower opening in the
to pass therethrough and the slot 50 is of a width to per
mit the shank 28 of the stud to move therealong Whilst
outer one of said loops consisting of a hole having a slot
preventing the stud head 26 from moving therethrough.
In assembling the agitator, the loop member 16 is dis
posed in inter?tting engagement with loop member 14
communicating with and radiating therefrom, the width of
said slot being less than the width of the hole, said hole
being large enough to permit the head of the stud to pass
therethrough and the slot being of ‘a width to permit
and thereafter the square terminal portion 20 of shaft 10
the stud to move therealong while preventing the stud
head from moving therethrough, said stud e?ective upon
The collar 22 serves to limit the axial movement of shaft
10 through the inter?tted loop members and upon engage
is inserted through the aligned apertures ‘40, 42 and 44.
ment of collar 22 with loop member 14, the end of the
shaft is in a position aligned with the outer edge of
aperture 40. With the elements arranged in this manner,
the stud 24 protrudes through aperture 46 in loop member
circular and the expression “diametrically opposite” as
14. The loop members 14 and 16 may then be securely
used herein is intended to ‘connote points on the loops
interlocked by moving loop member 14 relative to loop
equidistant from each other either way around the loops.
member 16 to force the shank 28 of stud 24 along the
Other features which may be included in accordance
slot 50. With the stud 24 in this position, the stud head
with the invention will be described hereinafter and re
50 26 cannot move through aperture 46 and the stud thus
ferred to in the appended claims.
effectively ‘co-operates with the slot to releasably lock the
The invention will now be more particularly described
loop members in position on shaft 10.
in connection with the accompanying drawings which show
The agitator assembly may be readily dissembled by
by way of example one embodiment of the invention, and
merely moving loop member 14 relative to loop member
in which:
55 16 to move the shank 28 of stud 24- along the slot 50
FIGURE 1 is a perspective view of the agitator,
into hole 48 whereupon the shaft may be Withdrawn from
FIGURE 2 is a fragmentary sectional view on the line
the inter?tting loop members 14 and 16. Thereafter, the
2-2 of FIGURE 1, showing how the agitator is locked in
inner loop member 16 may be disengaged from the outer
position on the operating shaft,
loop member 14 enabling the individual components of
FIGURE 3 is a detailed perspective view showing the
engagement with said slot to releasably lock the loops in
position on said shaft.
It is to be noted that the loops are not necessarily
agitator in its unlocked position on the operating shaft,
the agitator assembly to be conveniently and thoroughly
and
forming the agitator, the components being shown in per
cleaned.
What I claim as my invention is:
1. An agitator for a domestic mixing machine com
spective.
prising a shaft formed at one end with a non-circular
to be mounted on the shaft 10 adjacent one end thereof.
loops, each loop having diametrically opposite portions
FIGURE 4 is an exploded view of the components
Referring to the drawings, the agitator comprises a shaft 65 terminal portion, a stud secured to and projecting from
the outer end of the non-circular terminal portion of said
19 and agitating means generally designated 12 consisting
shaft, and agitating means comprising a pair of endless
of a pair of inter'?tting loop members 14 and 16 adapted
in substantial abutment with corresponding portions of
A conical collar 18 is mounted on the shaft adjacent the
other end thereof and the shaft is adapted to be coupled 70 the other to dispose said loops so that they substantially
intersect at diametrically opposite points with one loop
at this end to suitable drive means which usually in this
extending across the outside of the other at diametrically
type of mixer comprises an electric motor and suitable
r
3,050,288
3
4
opposite points, said loops formed with aligned openings '
at their points of intersection, the openings of the outer of
said loops and the innermost opening of the inner loop
being less than the Width of the hole, said hole being large
enough to permit the head of the stud to pass there
being shaped to receive the non-circular terminal portion
of the shaft, the outermost opening in said outer loop
consisting of a hole having a slot communicating with and
through and the slot being of a width to permit the stud
to move therealong while preventing the stud head from
moving therethrough, said stud co-operating with said slot
releasably to lock the loops on said shaft.
5. An agitator for a domestic mixing machine as
claimed in claim 3 including means on said shaft adjacent
the inner end of said non-circular terminal portion for
permit the head of the stud to pass therethrough and the
slot being of a width to permit the stud to move there 10 limiting the movement of said loops axially of the shaft.
radiating therefrom, the Width of said slot being less than
the width of the hole, said hole being large enough to
along while preventingthe stud head from moving there
through, said stud effective upon engagement with said
slot to releasably lock the loops in position on said shaft.
‘2. An agitator for a domestic mixing machine com
prising a shaft formed at one end with a non-circular ter
minal portion, a stud secured to and projecting from the
6. In a domestic mixing device having motive means
for operation thereof, an agitator comprising a shaft hav
ing means at one end for ready connection with said mo
tive means for rotation of said agitator and formed at
its other end with a non-circular terminal portion, a stud
secured to and projecting from the outer end of the non
outer end of the non-circular terminal portion of said
shaft, and agitating means comprising a pair of endless
circular terminal portion of said shaft, and agitating means
comprising a pair of endless loops, each loop having dia
loops, each loop having diametrically opposite portions
metrically opposite portions in substantial abutment with
in substantial abutment with corresponding portions of
corresponding portions of the other to dispose said loops
the other to dispose said loops so that they substantially
so that they substantially intersect at diametrically op~
intersect at diametrically opposite points with one loop
posite points with one loop extending across the outside
extending across the outside of the other at diametrically
of the other at diametrically opposite points, said loops
opposite points, said loops formed with aligned openings
formed with aligned openings at their points of inter
at their points of intersection, the openings of the outer
section, the openings of the outer of said loops and the
of said loops and the innermost opening of the inner loop
innermost opening of the inner loop being shaped to
being shaped to receive the non-circular terminal portion
receive the non-circular terminal portion of the shaft, the
of the shaft, the outermost opening in said outer loop
outermost opening in said outer loop consisting of a hole
consisting of a hole having a slot communicating with
having a slot communicating with and radiating there~
and radiating therefrom, the width of said slot being less 30 from, the width of said slot being less than the width of
than the width of the hole, said hole being large enough
the hole, said hole being large enough to permit the
to permit the head of the stud to pass therethrough and
head of the stud to pass therethrough and the slot being
the slot being of a width to permit the stud to move there
of a width to permit the stud to move therealong while
along while prevening the stud head from moving there
preventing the stud head from moving therethrough,
through, said stud effective upon engagement with said 03 CA' thereby releasably locking the loops on said shaft.
slot to releasably lock the loops in position on said shaft,
7. In a domestic mixing device having motive means
and means on said shaft adjacent the inner end of said
for operation thereof, an agitator comprising a shaft hav
non-circular terminal portion for limiting the movement
ing means at one end for ready connection with said m0
of said loops axially of the shaft.
tive means for rotation of said agitator and formed at its
3. An agitator for a domestic mixing machine compris 40 other end with a non-circular terminal portion, a stud
ing a shaft formed at one end with a non-circular terminal
portion, a stud secured to and projecting from the outer
secured to and projecting from the outer end of the non
end of the non-circular terminal portion of said shaft and
agitating means comprising a pair of endless loops inter
?tting with each other to dispose said loops in such rela
tive positions that they substantially intersect at diametri
means comprising a pair of endless loops inter?tting with
each other to dispose said loops in such relative positions
cally opposite points when assembled, said loops formed
with aligned openings at their points of intersection, the
openings of the outer of said loops and the innermost
opening of the inner loop being shaped to receive the
non-circular terminal portion of the shaft, the outermost
opening in said outer loop consisting of a hole having a
slot communicating with and radiating therefrom, the
width of said slot being less than the Width of the hole,
said hole being large enough to permit the head of the
stud to pass therethrough and the slot being of a width
to permit the stud to move therealong while preventing
the stud head from moving therethrough, said stud adapt
ed when engaged in said slot to releasably lock the loops
in position on said shaft.
4. An agitator for a domestic mixing machine com
prising a shaft formed at one end with a non-circular
circular terminal portion of said shaft, and agitating
that they substantially intersect at diametrically opposite
points when assembled, said loops formed with aligned
openings at their points of intersection, the openings of
the outer of said loops and the innermost opening of the
inner loop being shaped to receive the non-circular ter
minal portion of the shaft, the outermost opening in said
outer loop consisting of a hole having a slot communicat
ing with and radiating therefrom, the width of said slot
being less than the width of the hole, said hole being large
enough to permit the head of the stud to pass therethrough
and the slot being of a width to permit the stud to move
therealong while preventing the stud head from moving
therethrough, thereby releasably locking the loops on said
shaft.
.
8. In a domestic mixing device having motive means
for operation thereof, an agitator comprising a shaft hav
ing means at one end for ready connection with said mo
tive means for rotation of said agitator and formed at
its other end ‘with a non-circular terminal portion, a stud
secured to and projecting from the outer end of the non
terminal portion, a stud secured to and projecting from
the outer end of the non-circular terminal portion of said
shaft and agitating means comprising a pair of readily 65 circular terminal portion of said shaft, and agitatingrmeans
separable endless loops,’ one of said loops ?tting within
the other to dispose said loops in suchrelative positions
that they substantially intersect at diametrically opposite
points when assembled, said loops formed with aligned
openings at their points of intersection, the openings of
the outer of said loops and the innermost opening of the
inner loop being shaped to receive the non-circular ter
minal portion of the shaft, the outermost opening in said
outer loop consisting of a hole having a slot communicat
comprising a pair of readily separable endless loops, one
of said loops ?tting within the other to dispose said loops
in such relative positions that they substantially intersect
to diametrically opposite points when assembled, said
loops formed with aligned openings at their points of
intersection, the openings of the outer of said loops and
the innermost opening of the inner loop being shaped to
receive the non-circular terminal portion of the shaft, the
outermost opening in said outer loop consisting of a hole
ing with and radiating therefrom, the width of said slot 75 having a slot communicating with and radiating there
3,050,288
5
6
from, the Width of said slot being less than the width
of the hole, said hole 'being large enough to permit the
head of the stud to pass therethrough and the slot being
10. A device as claimed in claim 4 including means on
said shaft adjacent the inner end of said non-circular ter
of a width to permit the stud to move therealong While
preventing the stud head from moving therethrough,
minal portion for limiting the movement of said loops ax
ially of the shaft.
thereby releasably locking the loops on said shaft.
11. A device as claimed in claim 8 including means
on said shaft adjacent the inner end of said non-circular
9. A device as claimed in claim 6 including means
on said shaft adjacent the inner end of said non-circular
terminal portion for limiting the movement of said loops
axially of the shaft.
terminal portion for limiting the ‘movement of said loops
axially of the shaft.
10
No references cited.
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