close

Вход

Забыли?

вход по аккаунту

?

Патент USA US2404040

код для вставки
' July 16,: 1946.
A. J. CHAPMAN
2,404,040
DEMONSTRATING DEVICE FOR VACUUM CLEANERS
Filed Sept. 25, 1944
a:
‘
-
’
INVENTOR.
2,404,040
Patented July 16, 1946
UNITED STATES PATENT OFFICE
2,404,040
DEMONSTRATING DEVICE FOR VACUUM
CLEANERS
Archibald J. Chapman, Grosse Pointe, Mich., as
signor to Eureka Williams Corporation, a cor
poration of Michigan
Application September 25, 1944, Serial No. 555,689
9 Claims. (Cl. 35-13)
1
2
ets 44. A sprocket 46 driven through a suit
able speed-reducing mechanism from an electric
motor 48 drives a chain 50 which is operatively
This invention relates to exhibiting and demon
strating devices for vacuum. cleaners and has
particular reference to a new and improved de
vice i‘or exhibiting and demonstrating a vacuum
cleaner in a very convenient and effective man
in engagement with the teeth of the sprockets
44 for driving the same during the operation of
the motor.
.
A rotary beater 52 having axially extending
heaters 54 is journaled beneath the horizontally
ner.
A principal object of the invention is to provide
a new and improved device for exhibiting and
demonstrating a vacuum cleaner.
. extending run of the carpet 34, and this beater
is one sheet and wherein:
Fig. 1 is a perspective view of the device em
15 the front of the cleaner In so as to make the
52 is connected by a belt and pulley drive 55 to
Other objects and advantages of the inven 10 one of the sprockets 44 so that during operation
tion will be apparent from a consideration of
of the motor the beater 52 will be driven.
the following speci?cation taken in conjunction
The beater 52 is arranged to beat the under
with the accompanying drawing, of which there
side of the carpet 34 a short distance ahead of
carpet vibrate at the region immediately in front
of the cleaner Ill. The carpet 34 has permanently
secured to the exposed surface thereof suitable
bodying the invention;
Fig. 2 is a side elevational view thereof with
the case removed in order to illustrate the work
ing parts of the mechanism and taken generally
along the line 2-2 of Fig. 1; and
'
material 60 of a cotton or linty nature so as to
20 simulate the appearance of a dirty carpet. The
Fig. 3 is a fragmentary sectional view taken
generally along the line 3-3 of Fig. 1.
The device comprises in general a unit hav
ing a vacuum cleaner Ill positioned thereon. The 25
' unit includes a suitable case l2 enclosing a base
l4 upon which a plurality of drums l6. I8, 20 and
22 are rotatably mounted, the drums l6 and 22
carpet 36 must be of the same character and
color as the carpet 34 but is clean and free from
lint, dirt, etc.
‘
During the operation of the motor 48 the pulley
44 will be driven in a counterclockwise direction
so as to drive the strips 34 and 35 of carpeting in
the direction indicated by the arrows in Fig. 2.
This will give the appearance of a dirty carpet
passing under the nozzle of the cleaner and a
clean carpet moving away from the back end of
30
ing retainer 26. Rollers 30 and 32 positioned close
the cleaner. The action of the beater 52 at this
together with their axes arranged parallel are
time will simulate the action of the brush or
arranged above the drums l8 and 20. An endless
agitator of the cleaner in beating the carpet.
strip of carpeting 34 is arranged on the drums
The horizontal run of the carpet 36 may pass
20 and 22 and the roller 32, while another endless
over a flat solid surface 65 so as to eliminate the
35
strip of carpeting 36 is arranged on the drums
possibility of this part of the carpet vibrating
l6 and I8 and the‘ roller 30. The two strips of
during the operation of the device.
carpeting are arranged in alignment and each‘
The motor of the vacuum cleaner may be
has upper horizontally extending portions or runs
turned on during the operation of the device if
extending between the roller 32 and the drum 22
desired, although it is not necessary. In order
and the roller 30 and the drum l5 respectively. 40 to give a more realistic appearance to the cleaner
Such horizontal portions are visible through open
if the same is not operated during the operation
ing 38 provided in the upper surface of the case
of the device, the bag of the cleaner may be
12. and the cleaner II] is arranged as illustrated
?xed in a distended position by any suitable means
to straddle the joint or break between the hori—
so as to give the appearance of a vacuum cleaner
having their shafts journaled in bearings 24
which are adjustably mounted in a suitable bear
zontally extending portions of the strips 34 and 45 bag during normal cleaner operation.
36 of carpeting.
One of the principal advantages inherent in
The width of the nozzle of the cleaner l0 may be
this device is that with it it is possible to pro
slightly greater than that of the opening 38 so
vide a demonstration in a store without the use
that the ends of the cleaner will rest upon the
an operator.
top of the case l2 at the ‘side of the opening 33, 50 of While
the invention has been described with
and a bar 42 spanning the opening 38 beneath
some detail, it is to be understood that the de
the cleaner Ill may be provided for supporting the
scription is for the purposeof illustration only
rear end of the cleaner above the strips of car
and is not de?nitive of the limits of the inven
peting 34 and 36.
tive idea. The right is reserved to make such
55
The drums l8 and 20‘ are provided with sprock
3
2,404,040
4;
changes in the details of construction and ar
rangement of parts as will fall within the pur
for beating the horizontally extending portion of
the ?rst-mentioned piece of carpeting in a zone
adjacent the nozzle of said cleaner and simulta
neously with movement of said carpeting
5. A device for exhibiting suction cleaners com
prising an endless piece of carpeting arranged on
view of the attached claims.
I claim:
1. A device for exhibiting suction cleaners
comprising a piece of carpeting arranged so as
to have an exposed horizontally extending .por
tion, said piece of carpeting having litter or dirt
secured thereto, a second piece of clean carpet
ing arranged so as to have an exposed horizon
tally extending portion in line with and adjoin
rolls so as to have an exposed horizontally extend
ing portion, said piece of carpeting having litter
or dirt secured thereto, a second endless piece of
10 clean carpeting arranged on rolls so as to have an
exposed horizontally extending portion in line
ing that of said ?rst-mentioned piece of carpet
ing, a suction cleaner overlying the gap between
with and adjoining that of said ?rst-mentioned
piece of carpeting, a suction cleaner overlying the
the horizontally extending portions of said pieces
gap between the horizontally extending portions
of said pieces of carpeting and having its nozzle
arranged over and presented toward said first
mentioned piece, means for moving both of said,
pieces of carpeting relative to said cleaner at
I of carpeting and having its nozzle arranged over
and presented toward said ?rst-mentioned piece,
and means for moving both of said pieces of car
peting relative to said cleaner at substantially the
same speed and in a direction corresponding
with movement from front to rear of said cleaner. 20 substantially the same speed and in a direction
corresponding with movement from front to rear
2. A device for exhibiting suction cleaners com
of said cleaner, and means beneath the horizon
prising a piece of carpeting arranged so as to
tally extending portion of the ?rst-mentioned
have an exposed horizontally extending portion,
said piece of carpeting having litter or dirt se
cured thereto, a second piece of clean carpeting 25
arranged so as to have an exposed horizontally
extending portion in line with and adjoining that
of said ?rst-mentioned piece of carpeting, a suc
tion cleaner overlying the gap between the hori
zontally extending portions of said pieces of car 30
peting and having its nozzle arranged over and
presented toward said ?rst-mentioned piece,
means for moving both of said pieces of carpeting
relative to said cleaner at substantially the same
piece of carpeting for beating the same adjacent
the nozzle of the cleaner and simultaneously with
movement of said carpeting.
G. A device for exhibiting suction cleaners com- .
prising an endless piece of carpeting arranged on
rolls so as to have a horizontally extending por
tion, said piece of carpeting having litter or dirt
secured thereto, a second endless piece of clean
carpeting arranged on rolls so as to have a hori
zontally extending portion in line with and ad
joining that of said ?rst-mentioned piece of car
peting, a casing enclosing said carpeting and
speed and in a direction corresponding with .55
having an elongated opening in the upper surface
movement from front to rear of said cleaner, and
means below the carpeting operative for beating
the horizontally extending portion of the ?rst
thereof through which said horizontally extend
ing portions are exposed, a suction cleaner over
lying the gap between the horizontally extend
ing portions of said pieces of carpeting and hav
mentioned piece of carpeting in a zone adjacent
the nozzle of said cleaner and simultaneously
with movement of said carpeting cleaner.
3. A device for exhibiting suction cleaners com
prising an endless piece of carpeting arranged on
rolls so as to have an exposed horizontally extend
ing its nozzle arranged over and presented toward
said ?rst-mentioned piece, means within said cas
ing for moving both of said pieces of carpeting
relative to said cleaner at substantially the same
ing portion, said piece of carpeting having litter 45 speed and in a direction corresponding with
movement from front to rear of said cleaner.
or dirt secured thereto, a second endless piece of
'7. A device for exhibiting suction cleaners com
clean carpeting arranged on rolls so as to have
prising an endless piece of carpeting arranged on
an exposed horizontally extending portion in line
rolls so as to have a horizontally extending por
with and adjoining that of said ?rst-mentioned
tion,
said piece of carpeting having litter or dirt
piece of carpeting, a suction cleaner overlying the
thereto, a second endless piece of clean
gap between the horizontally extending portions 50 secured
carpeting arranged on rolls so as to have a hori
of’ said pieces of carpeting and having its nozzle
zontally extending portion in line with and ad
arranged over and presented toward said ?rst
joining
that of said ?rst-mentioned piece of car
mentioned piece, and means for moving both of
peting, a casing enclosing said carpeting and
said pieces of carpeting relative to said cleaner 55 having
an elongated opening in the upper sur
at substantially the same speed and in a direc
face thereof through which said horizontally ex~
tion corresponding with movement from front to
tending portions are exposed, a suction cleaner
rear of said cleaner.
‘overlying the gap between the horizontally ex
4. A device for exhibiting suction cleaners com
tending portions of said pieces of carpeting and
prising an endless piece of carpeting arranged 00
having its nozzle arranged over and presented
on rolls so as to have an exposed horizontally ex
tending portion, said piece of carpeting having
toward said ?rst-mentioned piece, means within
litter or dirt secured thereto, a second endless
piece of clean carpeting arranged on rolls so as
petlng relative to said cleaner at substantially the
to have an exposed horizontally extending por
tion in line with and adjoining that of said ?rst
said casing for moving both of said pieces of car
65
same speed and in a direction corresponding with
movement from front to rear of said cleaner, and
means for beating the horizontally extending por
tion of the ?rst-mentioned piece of carpeting in
overlying the gap between the horizontally ex
a zone adjacent the nozzle of said cleaner.
tending portions of said pieces of carpeting and
8. A device for exhibiting suction cleaners
having its nozzle arranged over and presented 70
comprising carpeting arranged on rolls so as to
toward said ?rst-mentioned piece, means for
have an exposed horizontally extending portion, a
moving both of said pieces of carpeting relative
suction
cleaner having a nozzle overlying and pre
to said cleaner at substantially the same speed
sented toward the horizontally extending portion
and in a direction corresponding with movement
of said carpeting, and means for moving said
rom front to rear of said cleaner, and means
carpeting relative to said cleaner in a direction
i entioned piece of carpeting, a suction cleaner
2,404,040
5
corresponding with movement from front to rear
of said cleaner.
9. A device for exhibiting suction cleaners
comprising carpeting arranged on rolls so as to
have an exposed horizontally extending portion,
a suction cleaner having a nozzle overlying and
presented toward the horizontally extending por
tion of said carpeting, means for moving said
6
carpeting relative to_ said cleaner in a direction
corresponding with movement from front to rear
of said cleaner, and means for beating the hori
zontally extending portion of said carpeting ad
jacent the nozzle of said cleaner and during move
ment of said carpeting.
ARCHIBALD J. CHAPMAN.
Документ
Категория
Без категории
Просмотров
0
Размер файла
423 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа