EP0444516A2 - Stick type vacuum cleaner - Google Patents
Stick type vacuum cleaner Download PDFInfo
- Publication number
- EP0444516A2 EP0444516A2 EP91102452A EP91102452A EP0444516A2 EP 0444516 A2 EP0444516 A2 EP 0444516A2 EP 91102452 A EP91102452 A EP 91102452A EP 91102452 A EP91102452 A EP 91102452A EP 0444516 A2 EP0444516 A2 EP 0444516A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- vacuum cleaner
- dirt
- lower housing
- handle
- dirt cup
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L5/00—Structural features of suction cleaners
- A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
- A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
- A47L5/24—Hand-supported suction cleaners
Abstract
Description
- The present invention relates to a stick type vacuum cleaner having a porous filter bag and a re-usable dirt cup, the latter being for accumulating dirt picked up from the rug, or the like, during the vacuuming operation.
- Stick type vacuum cleaners are known in which each of the cleaners is provided with a vacuum pump, a dirt tube and a porous bag for receiving the dirt entrained in the air stream and conducting the dirt into a reusable dirt cup that is attached to the housing of the vacuum cleaner. Such an arrangement is shown in U.S. Patent No. 3,199,138 to Nordeen. However, in the prior art stick type vacuum cleaners the handles are not adapted for multiple uses and, for example, it is difficult to vacuum stairs with such a device since it is elongated and if it is held vertically both the stairs and the risers cannot be adequately cleaned. Consequently, it is an object of the present invention to provide a two position handle for a stick vacuum cleaner which can be used in one position for up-right cleaning and in another position for substantial horizontal cleaning in conjunction with a molded-in handle on the lower housing of the cleaner. Thus, stairs and risers can be adequately vacuumed.
- The present vacuum cleaner is a light-weight, up-right construction and includes a vacuum motor for drawing dirt laden air into a housing, and discharging the dirt into a dirt cup as the air passes through a porous filter bag.
- It is another object of the present invention to provide a support beam, or post, for a vacuum cleaner bag, which is connected to the lower housing at one end and a handle at the other end, which is disposed outside of said bag and the dirt cup.
- It is yet another object of the present invention to provide a dirt cup having a larger capacity than the usual receptacles for receiving dirt and debris picked-up by the vacuum cleaner.
- It is an object of the present invention to provide an integral molded-in hand hold in the lower housing of the vacuum cleaner for assisting in the lifting of the nozzle of the vacuum cleaner during stair cleaning operation.
- It is a feature of the present invention to provide a construction for a light weight upright vacuum cleaner which is provided with a porous filter bag which has an unobstructed interior for permitting free passage of the air therethrough.
- In order that the invention be more clearly understood, it will now be disclosed in greater detail with reference to the accompanying drawings, wherein:
- Fig. 1 is a side elevation view of the stick vacuum cleaner constructed in accordance with the teachings of the present invention.
- Fig. 2 is a cross-sectional view the device shown in Fig. 1.
- Fig. 2a is an alternate embodiment of the dirt tube location in the present invention.
- Fig. 3 is a substantially perspective view of the stick vacuum cleaner in use on a floor or floor covering.
- Fig. 4 is a rear elevation view of a vacuum cleaner shown in Fig. 3.
- Fig. 5 is an enlarged side elevational view of the handle portion of the vacuum cleaner.
- Fig. 6 is a cross-sectional view of the handle shown in Fig. 5.
- Fig. 7 is a perspective of the stick vacuum cleaner shown in a substantially horizontal position for vacuuming stairs or the like.
- Fig. 8 is an enlarged fragmentary exploded view of the invention showing the dirt cup removed from the device and also showing the motor housing and porous filter bag.
- Fig. 9 is a bottom plan view of the nozzle for the stick vacuum cleaner showing the bristle strip, as well as the wheel assembly.
- Fig. 10 is a rear view of the nozzle shown in Fig. 9.
- Fig. 11 is a side elevational view thereof.
- Fig. 12 is a top plan view of another embodiment of the nozzle incorporating a foot pedal switch.
- Fig. 13 is a bottom plan view thereof.
- Fig. 14 is a side elevation thereof.
- Fig. 15 is a top plan view showing the foot pedal switch of the embodiment shown in Fig. 9.
- Fig. 16 is a top plan view of the dirt cup for the stick vacuum cleaner.
- Fig. 17 is a front elevational view thereof.
- Fig. 18 is a view taken along the lines 18-18 of Fig. 17,
- Fig. 19 is a sectional view taken along the lines 19-19 of Fig. 16.
- Fig. 20 is a front elevational view of the latch device which is movable within the dirt cup for securing and releasing the dirt cup from the vacuum cleaner.
- Fig. 21 is a side elevational view thereof.
- Fig. 22 is a rear elevational view of the latch shown in Fig. 20.
- Fig. 23 is a view taken along the lines 23-23 of Fig. 22.
- Fig. 24 is a view taken along the lines 24-24 of Figs. 22 and
- Fig. 25 is a view taken along the lines 25-25 of Fig. 22.
- The lightweight stick type vacuum cleaner, as seen in Figs. 1-4 is provided with a
lower housing 10 having atubular extension 12 and thenozzle 14 pivotally attached to theextension 12 atpivot point 16. As seen in Fig. 2, anelectric motor 18 and animpeller fan 20 are mounted in thelower housing 10 forming a vacuum pump for the cleaner. Adirt tube 22 is also provided for conducting air-entrained dirt into aporous filter bag 24. - The lower housing is connected to the
upper handle assembly 26 by means of acylindrical handle tube 28 located behind the porous bag andremovable dirt cup 30. Consequently, dirt-laden air which enters the vacuum cleaner device through the opening 14a in the nozzle moves through thedirt tube 22 and exits into the bottom of the porouscloth filter bag 24, and thereafter the air-entrained dirt falls by gravity into thedirt cup 30, while the air flow continues up into thefilter bag 24 and out to the atmosphere through the minute openings of the filter bag. However, sometimes in use, some dirt and debris clings to the inside of theporous bag 24 and is removed by means of abag shaker 32 having alower ring 34 attached to the top of thefilter bag 24. Thebag shaker 32 is provided at its upper end with a pair ofsprings 36, each being attached at one end to theshaker mechanism 32 and at the other end to thehandle assembly 26. - It should be noted that the handle assembly is in the form of a closed loop provided a
void 38 for inserting the fingers of the hand therethrough. - Referring particularly to Figs. 5 and 6 showing the
handle portion 26 of the vacuum cleaner which has a two-position hand grip, in which onehand grip portion 39 is substantially linear, and in which asecond handle portion 40 is integral with thehand grip portion 39, and is at an obtuse angle thereto. Thus, the user/operator of the vacuum cleaner will use thehandle portion 40 when the cleaner is held at an angle for cleaning floors and floor coverings, as seen in Fig. 3, and thehandle portion 39 is utilized when vacuuming stairs and risers, as seen in Fig. 7. In order to make the vacuuming of stairs and risers easier to accomplish a hand-hold 42 is provided inlower housing 10 which particularly utilizes the construction, seen in Fig. 7, as well as in Figs. 1-3. - As illustrated in Fig. 2, the
handle 26 is provided with a reducedcylindrical insert 27 which fits within anend 29 of thecylindrical handle tube 28 which connects the lower housing to the handle assembly. - At the bottom of the
handle 26 is acord retainer 43 while at the top ofhandle 26 is mounted acord retainer 44, for wrapping the electric power cord when not in use. As further seen in Figs. 5 and 6, thehand grip portions - An alternate embodiment of the present invention is illustrated in Fig. 2a showing the dirt tube 22a extending behind the
dirt cup 30 and entering theporous filter bag 24a at an intermediate portion thereof, or at top of the bag. In this construction, the dirt tube functions not only to conduct the dirt-laden air into the filter bag but also acts as the connecting support member between thelower housing 10 and the handle assembly. - The nozzle of the present stick vacuum cleaner is provided with a
small wheel assembly 50 as shown in Figs. 9-13. The nozzle opening 52 is provided with abristle strip 54, as clearly seen in Figs. 9 and 10. In addition, thenozzle housing 56 has anopening 58 through which arocker foot pedal 60 projects, as shown in Figs. 10. - The embodiment shown in Figs. 12- 14 is provided with large
nozzle propelling wheels 62 for ease in movement of the nozzle head. Pivotally secured to thenozzle casing 56 is anelbow 64 for insertion within thetubular extension 12 of thelower housing 10, as particularly seen in Fig. 2. As seen in Fig. 13 the alternate embodiment of the nozzle construction is provided with abristle strip 68 in the opening 70 of thenozzle housing 72. - A
removable dirt cup 30 is illustrated in Figs. 8 and 16-19, and which is adapted to be inserted in theopening 33 between thehand hold 42 and theporous cloth bag 24, (Fig. 8). Thedirt cup 30 is provided with a latch assembly referred to generally by thereference numeral 76, and particularly shown in Figs. 20-25 of the drawings. As seen in Fig. 8 the dirt cup has akeyway 35 in the bottom thereof for accommodating thelatch assembly 76, and atrack 37 on the top surface of thelower housing 10. Thelatch assembly 76, in addition, is provided with somewhatflexible legs 78 having end hooks 80. Furthermore, thelatch assembly 76 is provided with anelement 82 having slightlyflexible finger pieces 84, as well as acam 86 on the bottom of the latch. Thelatch assembly 76 fits within thedirt cup 30 and has limited movement therein but cannot be removed therefrom. Consequently, when it is desired to install thedirt cup 30 within the opening between the lower motor housing and cloth dirt bag, thecup 30 is pushed into the opening and slides on thetrack 37 on thelower housing 10 and thecam 86 located on the bottom of the latch wedges against the lower housing of the vacuum cleaner thus locking the dirt cup in place on the stick vacuum. Since thelatch assembly 76 moves freely with limited movement within the dirt cup the latter can be removed by squeezing thelatch finger pieces 84 and pulling out the latch assembly whereby thecam 86 is released from the lower housing. The latch assembly, however, cannot be separated from the dirt cup since it is retained within the cup by the end hooks 80 of thelegs 78 being retained in thekeyways 35 of thedirt cup 30. - Fig. 19 shows the
latch assembly 76 fully inserted within thekeyway 35 of thedirt cup 30. It will again be noted that when thedirt cup 30 is pushed in theopening 33 and assumes the position shown in Fig. 2 thecam 86 of thelatch assembly 76 is forced into engagement with the top surface of thelower housing 10 thereby maintaining the dirt cup into a latched position in theopen space 33 between the bottom of theporous cloth bag 24 and the top of thelower housing 10. - As seen in Fig. 2, the dirt cup is provided with an open top 30a communicated with the
porous bag 24 in order to permit the free fall of air-entrained dirt into thedirt cup 30. Furthermore, as stated above, thedirt cup 30 can be removed from the stick vacuum cleaner by grasping thefinger pieces 84 on thelatch assembly 76 and pulling the latch in a direction out of the dirt cup a limited distance thereby causing thecam 86 to be dislodged from engagement with the top surface of thelower housing 10. - As seen in Figs. 1-6 an on/off
switch 95 is shown which is connected to a power source (not shown) and which is provided in thehandle 26 for operating the present stick vacuum cleaner. - While the invention had been disclosed and described herein with reference to a certain embodiment, it is apparent that other variations and modifications may be made which will fall within the true spirit and scope of the inventions, as defined in the following claims:
Claims (21)
- In an upright stick-type vacuum cleaner having a lower housing, a nozzle movably attached to said lower housing, a handle, a support member connecting said lower housing to the handle, a vacuum pump, a porous bag, a dirt cup and a dirt tube for conducting dust and dirt laden air whereby said dust and dirt is deposited in said dirt cup while the air passes through said porous bag to the atmosphere, the improvement comprising a hand grip on said lower housing and said handle having two alternate grasping positions, one of said positions being for upright cleaning operation of the vacuum cleaner and the other position together with said hand grip being for above-floor cleaning operation of the vacuum cleaner.
- The vacuum cleaner as claimed in claim 1 wherein said handle is loop-shaped.
- The vacuum cleaner as claimed in claim 1 wherein said support member is an elongated rigid element that is located outside of said porous bag and said dirt cup.
- The vacuum cleaner as claimed in claim 1 wherein the dirt cup has a finger-operated latch fixedly mounted for restricted movement on the bottom of said dirt cup, said latch having a cam for frictional engagement between the bottom of the dirt cup and a top surface of said lower housing when said dirt cup is inserted in said vacuum cleaner.
- In a stick type vacuum cleaner having a lower housing, a nozzle attached to said lower housing, a vacuum pump in said lower housing, a dirt tube connected to said nozzle, a porous filter bag and a dirt cup wherein dust - and dirt-laden air is drawn by vacuum through said nozzle and dirt tube, the dirt is deposited in said dirt cup, and the air passes through said porous filter bag to the atmosphere, the improvement comprising: a handle having two positions angularly arranged relative to each other, and a hand hold in the lower housing of said vacuum cleaner located below said dirt cup whereby in one of said positions together with said hand hold said vacuum cleaner is capable of assuming a working orientation in which the vacuum cleaner extends outwardly in a generally horizontal direction.
- The vacuum cleaner as claimed in claim 5, wherein said dirt tube is connected to the bottom of said porous filter bag.
- The vacuum cleaner as claimed in claim 5, further comprising a handle tube connected to the lower housing and wherein said handle is provided with a cylindrical post for insertion in said handle tube to thereby assemble said vacuum cleaner.
- The vacuum cleaner as claimed in claim 2, wherein said loop shaped handle has a handle gripping portion provided with a first handle gripping section and an integral second handle gripping section angularly disposed relative thereto.
- The vacuum cleaner as claimed in claim 5, wherein said dirt tube is connected to said filter bag at a location above the lower end thereof.
- The vacuum cleaner as claimed in claim 4, wherein the dirt cup is removable from the lower housing without removing the porous bag.
- The vacuum cleaner as claimed in claim 4, wherein the movement of the latch is restricted by the latch being retained within keyways on the bottom of the dirt cup.
- In an upright stick-type vacuum cleaner having a lower housing, a nozzle movably attached to the lower housing, a handle, a hand grip on the lower housing, a support member connecting the lower housing to the handle, a vacuum pump, a porous bag, a dirt cup and a dirt tube for connecting dust and dirt laden air whereby the dust and dirt is deposited in the dirt cup while the air passes through the porous bag to the atmosphere, the improvement comprising a finger-operated latch fixedly mounted for restricted movement on the bottom of the dirt cup, the latch having a cam for frictionally engaging a top surface of the lower housing when the dirt cup is inserted in the vacuum cleaner.
- The vacuum cleaner as claimed in claim 12, wherein the dirt cup is removable from the lower housing without removing the porous bag.
- The vacuum cleaner as claimed in claim 12, wherein the movement of the latch is restricted by the latch being retained within keyways on the bottom of the dirt cup.
- The vacuum cleaner as claimed in claim 12, comprising in addition a hand grip on the lower housing and wherein the handle has two alternate grasping positions, one of the positions being for upright cleaning operation of the vacuum cleaner and the other position together with the hand grip being for above-floor cleaning operation of the vacuum cleaner.
- In an upright stick-type vacuum cleaner having a lower housing, a nozzle movably attached to the lower housing, a loop-shaped handle, a hand grip on the lower housing, a support member connecting the lower housing to the handle, a vacuum pump, a porous bag, a dirt cup and a dirt tube for connecting dust and dirt laden air whereby the dust and dirt is deposited in the dirt cup while the air passes through the porous bag to the atmosphere, the improvement comprising a shaker having an actuating portion extending into the loop-shaped handle and connected to the porous bag whereby the porous bag can be shaken by actuating the actuating portion in the handle.
- The vacuum cleaner as claimed in claim 16, wherein the support member is an elongated rigid element that is located outside of the porous bag and the dirt cup.
- The vacuum cleaner as claimed in claim 17, wherein the shaker is mounted on the support member.
- The vacuum cleaner as claimed in claim 16, wherein the shaker is connected to the top of the porous bag and the actuating portion extends into the lower end of the loop-shaped handle.
- The vacuum cleaner as claimed in claim 19, wherein the actuating portion is located above the top of the porous bag.
- The vacuum cleaner as claimed in claim 16, comprising in addition a hand grip on the lower housing and wherein the handle has two alternate grasping positions, one of the positions being for upright cleaning operation of the vacuum cleaner and the other position together with the hand grip being for above-floor cleaning operation of the vacuum cleaner.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US48693690A | 1990-03-01 | 1990-03-01 | |
US486936 | 1990-03-01 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0444516A2 true EP0444516A2 (en) | 1991-09-04 |
EP0444516A3 EP0444516A3 (en) | 1992-06-03 |
EP0444516B1 EP0444516B1 (en) | 1994-11-30 |
Family
ID=23933720
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19910102452 Expired - Lifetime EP0444516B1 (en) | 1990-03-01 | 1991-02-20 | Stick type vacuum cleaner |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0444516B1 (en) |
JP (1) | JPH04220222A (en) |
CA (1) | CA2023347A1 (en) |
DE (1) | DE69105299T2 (en) |
ES (1) | ES2064781T3 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998035600A1 (en) * | 1997-02-13 | 1998-08-20 | Vax Limited | Apparatus for cleaning floors, carpets and the like |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3343243B2 (en) * | 1995-07-31 | 2002-11-11 | 有限会社三輪サイエンス研究所 | Reflux or suction type vacuum cleaner |
US20050081321A1 (en) | 2003-10-15 | 2005-04-21 | Milligan Michael A. | Hand-held cordless vacuum cleaner |
DE602006012794D1 (en) | 2006-01-27 | 2010-04-22 | Black & Decker Inc | Filter cleaning mechanism of vacuum cleaner |
DE102019219312A1 (en) * | 2019-12-11 | 2021-06-17 | Robert Bosch Gmbh | Suction device, in particular vacuum cleaner |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3430402A1 (en) * | 1984-08-17 | 1986-02-27 | Progress-Elektrogeräte Mauz & Pfeiffer GmbH & Co, 7000 Stuttgart | VACUUM CLEANER HANDLE |
US4621390A (en) * | 1984-10-09 | 1986-11-11 | National Union Electric Corporation | Vacuum cleaner assembly |
EP0286203A1 (en) * | 1987-04-06 | 1988-10-12 | Black & Decker Inc. | Vacuum cleaner |
-
1990
- 1990-08-15 CA CA 2023347 patent/CA2023347A1/en not_active Abandoned
-
1991
- 1991-02-20 DE DE1991605299 patent/DE69105299T2/en not_active Expired - Fee Related
- 1991-02-20 ES ES91102452T patent/ES2064781T3/en not_active Expired - Lifetime
- 1991-02-20 EP EP19910102452 patent/EP0444516B1/en not_active Expired - Lifetime
- 1991-02-27 JP JP3312691A patent/JPH04220222A/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3430402A1 (en) * | 1984-08-17 | 1986-02-27 | Progress-Elektrogeräte Mauz & Pfeiffer GmbH & Co, 7000 Stuttgart | VACUUM CLEANER HANDLE |
US4621390A (en) * | 1984-10-09 | 1986-11-11 | National Union Electric Corporation | Vacuum cleaner assembly |
EP0286203A1 (en) * | 1987-04-06 | 1988-10-12 | Black & Decker Inc. | Vacuum cleaner |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998035600A1 (en) * | 1997-02-13 | 1998-08-20 | Vax Limited | Apparatus for cleaning floors, carpets and the like |
Also Published As
Publication number | Publication date |
---|---|
CA2023347A1 (en) | 1991-09-02 |
JPH04220222A (en) | 1992-08-11 |
EP0444516A3 (en) | 1992-06-03 |
DE69105299D1 (en) | 1995-01-12 |
DE69105299T2 (en) | 1995-04-13 |
EP0444516B1 (en) | 1994-11-30 |
ES2064781T3 (en) | 1995-02-01 |
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