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Патент USA US3097683

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July‘ 16, 1963
D. H. HUNT
3,097,673
VACUUM CLEANERS
Filed June.8, 1959
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INVENTOR.
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BY
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United States Patent 6 ice
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1
3,097,673
VACUUM CLEANERS
David H. Hunt, Simsbury, Conn., assignor to The Spencer
Turbine Company, Hartford, Conn., a corporation of
Connecticut
Filed June 8, 1959, Ser. No. 818,693
3 Claims. (Cl. 141-272)
This invention relates to vacuum cleaners, and more
Patented July 16, 1963
2
the underside of the ?ange 11 thereon. Said plates sup
port said container and, under the in?uence of the springs
16—16, force said ?ange tightly against the gasket 9‘ sur
rounding the opening in the bottom of the dust chamber.
In the operation of the improved device provided by
the present invention, the container 10 may be removed
from the vacuum cleaner by simply grasping the handle
15-a and forcing the lever 14 downwardly against the
tension of the springs 16—16 to thereby lower the said
particularly to ‘vacuum cleaners of the stationary type 10 container to the floor on which the vacuum cleaner rests.
The container may then be pulled forwardly away from
having a dust chamber and a detachable dust-collecting
the vacuum cleaner through the opening in the front of
receptacle, or container, mounted underneath said dust
the base portion of the housing.
chamber to receive the dust and dirt therefrom.
When an empty container is to be mounted upon the
It is an object of this invention to provide simple and
vacuum cleaner, the handle 15-a is forced downwardly,
15
improved means for lifting the ‘dust container into po
as above described, and the container is pushed along
sition relatively to the dust chamber and retaining it in
the floor through the opening in the base of the vacuum
such position.
cleaner and into the U-shaped portion of said lever as
Further objects and advantages of this invention will be
far as it will go. The lever is so positioned relatively
more clearly understood from the following description
to the outlet opening 7 that when the container engages
20
and the accompanying drawing in which:
the intermediate portion of the lever adjacent the hinge
FIG. 1 is a front view, partly in section, of the bot
15, as shown in FIG. 4, said portion and the plates 19‘—19‘
tom portion of a vacuum cleaner embodying my inven
automatically position the container coaxially with re
tion.
spect to said opening 7 thus eliminating the necessity of
FIG. 2 is a side view thereof with a portion of the
aligning the container by hand. The handle 15~a is then
25
housing in section.
released to permit the springs 16—16 to raise the con
FIG. 3 is a similar view illustrating the operation of
tainer into engageemnt with the gasket 9 as illustrated in
my invention.
FIG. 4 is a sectional plan view on line 4—4 of FIG. 1.
FIGS. 1 and 2.
I claim:
As illustrated in the drawing, the numeral 5 denotes the
1. A vacuum cleaner including a housing having a por
housing of a conventional, stationary-type, vacuum 30 tion containing a dust chamber with a ?rst opening in
cleaner. Said housing is formed to provide a dust cham
the bottom thereof, a depending base portion support
ber 6 therein having a bottom outlet 7 de?ned by an
ing said housing, the lower edge of which is normally
annular wall 8 which is provided \m'th a suitable, re
placed on a planar supporting surface substantially paral
silient, sealing gasket 9 forming a seat around its free
35 lel to the plane of said opening, a container having a
edge.
A container 10 is adapted to be mounted below the
said outlet 7 and coaxially thereof to receive the dust
and dirt that is collected in the dust chamber 6. Said
rim engageable with said bottom opening to thereby place
said container in communication with said dust chamber
through said opening, said base portion having a sec
ond opening therein extending laterally and sized to
container is preferably cylindrical in shape and has an 40 freely pass said container therethrough by sliding it
open top surrounded by a ?ange 11 that abuts the gasket
along said supporting surface, the distance between said
9 and forms a tight seal therewith. The base portion
bottom
opening and said supporting surface being greater
5-a of said housing 5- is cut away, as at 12, and the
than the depth of said container, whereby said container
opposite side portions 1'3—13 thereof extend forwardly
in parallel relation so as to provide a support for the 45 may be disengaged from said bottom opening and
dropped to said supporting surface for lateral movement
vacuum cleaner and an opening at the front of the hous
through said second opening, means for raising said con
ing to receive the dust container.
tainer from said surface and securing it in operative po
In order to facilitate attachment of the dust container
sition relative to said bottom opening, said means includ
to the dust chamber, the present invention provides a
lifting mechanism including a lever 14 which is sub 50 ing abutment means on said container and a lever piv
otally mounted within said base portion, said lever hav~
stantially semi-circular in shape and embraces the con
ing legs extending on opposite sides of said container,
tainer 10 as best shown in FIG. 4. Said lever is piv
abutment surfaces on the legs of said lever engageable
otally mounted at 14-a to the base 5-a of the housing
with said abutment means on said container for rais
5 by means of a suitable hinge 15 which is preferably
welded to the inner rear side of the base so that the 55 ing and lowering said container and holding it in op
erative position and spring means giving said lever a
U-shaped portion of said lever opens forwardly relatively
constant upward bias to ?x said container in operative
to the housing and receives the container as it is pushed
along the floor into position to be lifted against the
bottom of the dust chamber. A handle 15—a is pro
vided on said lever and projects forwardly of the con
tainer to facilitate the operation of the lever by either
the hand or foot of the operator.
The said lever 14 is pulled upwardly and is yieldingly
retained in its raised position by a pair of springs 16—16
position against said ?rst bottom opening unless said lever
is held downwardly by hand pressure.
2. A vacuum cleaner including a housing having a por
tion containing a dust chamber with a ?rst opening in
the bottom thereof, a depending base portion support
ing said housing, the lower edge of which is normally
placed on a planar supporting surface substantially paral
which are attached at their upper ends to anchor plates 65 lel to the plane of said opening, a container having a
rim engageable with said bottom opening to thereby place
17--17 secured to the opposite sides of the housing. The
said container in communication with said dust chamber
lower ends of said springs are secured to a pair of plates
through said opening, said base portion having a sec
18——18 which are fastened to and extend laterally from
ond opening therein laterally extending and sized to
the opposite sides of the lever 14.
freely pass said container therethrough by sliding it
A pair of vertical supporting plates 19-19 are se
cured to the opposite, inner sides of the U-shaped por 70 along said supporting surface, the distance between said
tion of said lever and are located at diametrically op
posite sides of the container 10 in position to engage
bottom opening and said supporting surface being greater
than the depth of said container, whereby said container
3,097,673
3
4
may be disengaged from said ‘bottom opening and
dropped to said supporting surface for lateral movement
through said second opening, means for raising said con
tainer from said surface and securing it in operative po
the distance between said bottom opening and said sup
porting surface being greater than the depth of said
container, whereby said container may be disengaged
from said bottom opening and dropped to said support
ing surface for lateral movement through said second
sition relative to said bottom opening, said means includ
ing abutment means on said container and a lever piv
opening, means for raising said container from said sur
otally mounted with in said base portion, said lever hav
face and- securing it in operative position relative to
ing legs extending on opposite sides of said container,
said bottom opening, said means including a substantially
means providing a stop for centering said container rela
U-shaped lever pivotally mounted at its bight within
tive to said bottom opening when said container is slid 10 said base portion, the bight of said U-shaped lever pro
through said second opening, abutment surfaces on the
viding a stop for centering said container relative to said
legs of said lever engageable with said abutment means
bottom opening when said container is slid through said
on said container for raising and lowering said container
second opening, abutment surfaces on the legs of said
and holding it in operative position, and spring means
giving said lever a constant upward bias to ?x said con
tainer in operative position against said ?rst bottom open
ing unless said lever is held downwardly by hand pressure.
3. A vacuum cleaner including a housing having a por
tion containing a dust chamber with a ?rst opening in
lever engageable with said outwardly extending annular
?ange for raising and lowering said container and hold
ing it in operative position, and spring means for giving
said U-shaped lever a constant bias upwardly to ?x said
container in operative position against said ?rst bottom
opening unless said lever is held downwardly by hand
the bottom thereof, a depending base portion support 20 pressure.
ing said housing, the lower edge of which is normally
placed on a planar supporting surface substantially paral
References Cited in the ?le of this patent
lel to the plane of said opening, a container having an
UNITED STATES PATENTS
outwardly extending annular ?ange engageable with said
bottom opening to thereby place said container in com 25
382,023
Bauer ________________ __ May 1,
munication with said dust chamber through said open
ing, said base portion having a second opening therein
extending laterally and sized to freely pass said container
therethrough by sliding it along said supporting surface,
1888
991,664
Strasburger ___________ __ May 9, 1911
2,535,963
2,663,482
2,989,093
Sisemore _____________ __ Dec. 26, 1950
Gilberty _____________ __ Dec. 22, 1953
Stiebel _______________ __ June 20, 1961
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