U.S. patent application number 12/494161 was filed with the patent office on 2009-12-31 for suction head for vacuum cleaner.
This patent application is currently assigned to DAEWOO ELECTRONICS CORPORATION. Invention is credited to SUNG WHAN LEE.
Application Number | 20090320235 12/494161 |
Document ID | / |
Family ID | 41444701 |
Filed Date | 2009-12-31 |
United States Patent
Application |
20090320235 |
Kind Code |
A1 |
LEE; SUNG WHAN |
December 31, 2009 |
SUCTION HEAD FOR VACUUM CLEANER
Abstract
Disclosed herein is a suction head for vacuum cleaners. The
suction head includes a housing constituting an outer appearance of
the suction head, a plurality of intake ports formed in a lower
surface of the housing, and a sweeper disposed between the intake
ports.
Inventors: |
LEE; SUNG WHAN; (SEOUL,
KR) |
Correspondence
Address: |
KNOBBE MARTENS OLSON & BEAR LLP
2040 MAIN STREET, FOURTEENTH FLOOR
IRVINE
CA
92614
US
|
Assignee: |
DAEWOO ELECTRONICS
CORPORATION
SEOUL
KR
|
Family ID: |
41444701 |
Appl. No.: |
12/494161 |
Filed: |
June 29, 2009 |
Current U.S.
Class: |
15/415.1 |
Current CPC
Class: |
A47L 9/02 20130101; A47L
9/0653 20130101; A47L 9/066 20130101 |
Class at
Publication: |
15/415.1 |
International
Class: |
A47L 9/02 20060101
A47L009/02 |
Foreign Application Data
Date |
Code |
Application Number |
Jun 27, 2008 |
KR |
10-2008-0061342 |
Claims
1. A suction head for vacuum cleaners, comprising: a housing
constituting an outer appearance of the suction head; a plurality
of intake ports formed in a lower surface of the housing; and a
sweeper disposed between the intake ports.
2. The suction head according to claim 1, wherein the plurality of
intake ports comprise a first intake port formed in front of the
sweeper and a second intake port formed behind the sweeper.
3. The suction head according to claim 1, further comprising: a
manipulation part exposing or concealing the sweeper from or within
the housing, the lower surface of the housing being formed with an
exposing-concealing hole through which the sweeper is exposed from
or concealed within the housing.
4. The suction head according to claim 3, wherein the manipulation
part comprises a mounting member received in the housing and having
the sweeper mounted thereon, a plurality of pressing members
compressing the mounting member, a connection shaft connecting the
pressing members to each other; and a knob coupled to the pressing
members and rotating the pressing members.
5. The suction head according to claim 4, further comprising: an
elastic member interposed between a lower side of the mounting
member and an inner side of the housing.
6. The suction head according to claim 4, wherein the knob is
exposed on an upper surface of the housing.
7. The suction head according to claim 4, wherein the pressing
members are rotated around the connection shaft provided as a
rotational center when the knob is rotated.
8. The suction head according to claim 4, wherein each of the
pressing members comprises a V-shaped protrusion formed at a lower
portion thereof, and the mounting member is formed at an upper
surface thereof with a seating groove on which the pressing members
are seated.
9. The suction head according to claim 4, wherein the pressing
members comprise a first pressing member disposed at a left side of
the housing and a second pressing member disposed at a right side
of the housing, the connection shaft connecting one side of the
first pressing member to one side of the second pressing member,
and the knob is coupled to the first pressing member.
Description
CROSS-REFERENCE TO RELATED APPLICATIONS
[0001] The present application claims priority to Korean patent
application number 10-2008-0061342, filed on Jun. 27, 2008, which
is incorporated by reference in its entirety.
BACKGROUND OF THE INVENTION
[0002] 1. Field of the Invention
[0003] The present invention relates to a suction head for vacuum
cleaners and, more particularly, to a suction head for vacuum
cleaners which can efficiently suction dust or other foreign matter
from a floor surface irrespective of forward or backward movement
of the suction head.
[0004] 2. Description of the Related Art
[0005] In general, a vacuum cleaner is configured to generate a
strong suction force by driving a motor to collect dust or other
foreign matter from the floor or the like.
[0006] FIG. 1 is a perspective view of a conventional vacuum
cleaner and FIG. 2 is a bottom view of a suction head of the
conventional vacuum cleaner shown in FIG. 1.
[0007] Referring to FIG. 1, the conventional vacuum cleaner
includes a body 2 having a motor for generating a suction force
received therein, a connection hose 4 formed of a flexible material
and communicating with the interior of the body 2, an extension
pipe 6 connected to the connection hose 4 and allowing adjustment
in length thereof, and a suction head 8 detachably connected to one
end of the extension pipe 6 to suction foreign matter from a floor
surface.
[0008] The body 2 is provided with a filter which separates foreign
matter from air suctioned into the body 2.
[0009] The extension pipe 6 is provided at an upper end thereof
with a handle 5, which includes an operation button 5a for
manipulating the vacuum cleaner.
[0010] As shown in FIG. 2, the suction head 8 has an intake port 8a
formed in a lower surface thereof and a sweeper 8b located behind
the intake port 8a. The suction head 8 suctions dust and other
foreign matter from the floor through the intake port 8a and the
sweeper 8b is used to brush up the dust and other foreign matter
from the suction head 8.
[0011] In the conventional vacuum cleaner, when the suction head is
moved backward, a path of suctioning dust and foreign matter on the
floor to the intake port of the suction head is blocked by the
sweeper, so that dust and foreign matter on the floor cannot be
easily suctioned into the suction head, thereby deteriorating
cleaning efficiency. Therefore, there is a need for an improved
vacuum cleaner that overcomes such a problem.
SUMMARY OF THE INVENTION
[0012] The present invention is conceived to solve the above and
other problems of the related art, and an aspect of the present
invention is to provide a suction head for vacuum cleaners which
can efficiently suction dust or other foreign matter from a floor
surface irrespective of forward or backward movement of the suction
head.
[0013] According to an aspect of the present invention, a suction
head for vacuum cleaners includes a housing constituting an outer
appearance of the suction head; a plurality of intake ports formed
in a lower surface of the housing; and a sweeper disposed between
the intake ports.
[0014] The plurality of intake ports may include a first intake
port formed in front of the sweeper and a second intake port formed
behind the sweeper.
[0015] The suction head may further include a manipulation part
exposing or concealing the sweeper from or within the housing, and
the lower surface of the housing may be formed with an
exposing-concealing hole through which the sweeper is exposed from
or concealed within the housing.
[0016] The manipulation part may include a mounting member received
in the housing and having the sweeper mounted thereon; a plurality
of pressing members compressing the mounting member; a connection
shaft connecting the pressing members to each other; and a knob
rotating the pressing members.
[0017] The suction head may further include an elastic member
interposed between a lower side of the mounting member and an inner
side of the housing.
[0018] The knob may be exposed on an upper surface of the
housing.
[0019] The pressing members may be rotated around the connection
shaft provided as a rotational center when the knob is rotated.
[0020] Each of the pressing members may include a V-shaped
protrusion formed at a lower portion thereof, and the mounting
member may be formed at an upper surface thereof with a seating
groove on which the pressing members are seated.
[0021] The pressing members may include a first pressing member
disposed at a left side of the housing and a second pressing member
disposed at a right side of the housing, the connection shaft may
connect one side of the first pressing member to one side of the
second pressing member, and the knob may be coupled to the first
pressing member.
BRIEF DESCRIPTION OF THE DRAWINGS
[0022] The above and other aspects, features and advantages of the
present invention will become apparent from the following detailed
description of exemplary embodiments given in conjunction with the
accompanying drawings, in which:
[0023] FIG. 1 is a perspective view of a conventional vacuum
cleaner;
[0024] FIG. 2 is a bottom view of a suction head of the
conventional vacuum cleaner shown in FIG. 1;
[0025] FIG. 3 is a perspective view of a suction head according to
one embodiment of the present invention;
[0026] FIG. 4 is a bottom view of the suction head of FIG. 3;
[0027] FIG. 5 is a side section view of the suction head taken
along line A-A of FIG. 3;
[0028] FIG. 6 is a perspective view of the suction head, an upper
portion of which is cut, according to the embodiment of the present
invention;
[0029] FIG. 7 is a side section view of the suction head taken
along line B-B of FIG. 3; and
[0030] FIG. 8 is a side section view of the suction head shown in
FIG. 7, where a knob is rotated in one direction.
DETAILED DESCRIPTION OF THE EMBODIMENT
[0031] Hereinafter, one exemplary embodiment of the present
invention will be described in detail with reference to the
accompanying drawings. It should be noted that the drawings are not
to precise scale and may be exaggerated in thickness of lines or
sizes of components for descriptive convenience and clarity only.
Furthermore, the terms as used herein are defined by taking
functions of the present invention into account and can be changed
according to the custom or intention of users or operators.
Therefore, definition of the terms should be made according to the
entirety of the disclosure set forth herein.
[0032] FIG. 3 is a perspective view of a suction head according to
one embodiment of the present invention, FIG. 4 is a bottom view of
the suction head of FIG. 3, and FIG. 5 is a side section view of
the suction head taken along line A-A of FIG. 3.
[0033] Referring to FIGS. 3 to 5, a suction head 100 for vacuum
cleaners according to one embodiment of the present invention
includes a housing 110 and a suction duct 120.
[0034] The housing 110 constitutes an appearance of the suction
head 100 according to this embodiment. The housing 110 has a
plurality of intake ports, for example, a first intake port 112 and
a second intake port 114, formed in a lower surface thereof.
Although the suction head according to this embodiment is
illustrated as including two intake ports, the present invention is
not limited to this configuration and the housing may include three
or more intake ports.
[0035] The suction duct 120 is disposed inside the housing 110. The
suction duct 120 includes a main duct 122, and first and second
suction parts 124, 126 divided from the main duct 122.
[0036] The main duct 122 communicates with a coupling part 130. The
coupling part 130 is provided to the suction head 100 to be
connected to an extension pipe (not shown), which communicates with
a body of the vacuum cleaner.
[0037] The first suction part 124 communicates with the first
intake port 112 formed in the lower surface of the housing 110, and
the second suction part 126 communicates with the second intake
port 114 separated a predetermined distance from the first intake
port 112. As a result, the first suction part 124 communicates with
an outside of the housing 110 through the first intake port 112 and
the second suction part 126 communicates with the outside of the
housing through the second intake port 114.
[0038] The housing 110 is provided with a sweeper 140. The sweeper
140 is disposed between the first intake port 112 and the second
intake port 114. In other words, the first intake port 112 is
located at a front part of the suction head 110 and the second
intake port 114 is located at a rear part of the suction head 100
with reference to the sweeper 140.
[0039] Next, an operation principle of the suction head 100 for
vacuum cleaners according to this embodiment will be described.
[0040] When performing a cleaning operation with a vacuum cleaner
including the suction head 100 according to this embodiment, a
suction force generated in a body of the vacuum cleaner is
transferred to the suction head 100 through an extension pipe of
the vacuum cleaner. Then, dust or other foreign matter is suctioned
into the suction head 100 from a target region, for example, a
floor surface, by the suction force.
[0041] When the cleaning operation is performed while the suction
head 100 is moved forward, dust or other foreign matter in front of
the suction head 100 is suctioned from the floor surface into the
suction head 100 through the first intake port 112 before being
obstructed by the sweeper 140 since the first intake port 112 is
located at the front part of the sweeper 140 in front of suction
head 100. As a result, suctioning of the dust and the like through
the first intake port 112 can be efficiently achieved.
[0042] On the contrary, when the cleaning operation is performed
while the suction head 100 is moved rearward, dust or other foreign
matter behind the suction head 100 is suctioned from the floor
surface into the suction head 100 through the second intake port
114 before being obstructed by the sweeper 140 since the second
intake port 114 is located at the rear part of the suction head 100
behind the sweeper 140. As a result, suctioning of the dust and the
like through the second intake port 114 can be efficiently
achieved.
[0043] FIG. 6 is a perspective view of the suction head, an upper
portion of which is cut, according to the embodiment of the present
invention, FIG. 7 is a side section view of the suction head taken
along line B-B of FIG. 3, and FIG. 8 is a side section view of the
suction head shown in FIG. 7, where a knob is rotated in one
direction.
[0044] Referring to FIGS. 6 to 8, the sweeper 140 is provided to
the housing 110 to be exposed from the housing 110 or concealed
within the housing 110 by a manipulation part 150. The manipulation
part 150 includes a mounting member 151, pressing members 156A,
156B, a connection shaft 154, and a knob 152.
[0045] The mounting member 151 is received in the housing 110 and
is provided at a lower portion thereof with the sweeper 140. An
elastic member 153 is interposed between the mounting member 151
and the housing 110. The elastic member 153 is coupled at one end
thereof to a lower surface of the mounting member 151 and at the
other end thereof to an upper surface of the housing 110 to
resiliently support the mounting member 151. Further, the mounting
member 151 is formed at an upper surface thereof with a seating
groove 151a on which protrusions 156a described below are
seated.
[0046] The pressing members 156A, 156B compress the mounting member
151 to force the sweeper 140 to be exposed from or concealed within
the housing 110. In this case, the sweeper 140 is exposed from or
concealed within the housing 110 through an exposing-concealing
hole 111, which is formed on the lower surface of the housing 110.
Each of the pressing members 156A, 156B has a rhombus
cross-section, and is provided at a lower portion thereof with a
V-shaped protrusion 156a. When the knob 152 is turned, the
protrusions 156a are seated on the seating groove 151a of the
mounting member 151 and continuously compress the sweeper 140.
[0047] The manipulation part 150 includes a plurality of pressing
members. According to this embodiment, the pressing members 156A,
156B comprise a first pressing member 156A disposed at a left side
of the housing 110 and a second pressing member 156B disposed at a
right side of the housing 110. As such, since the pressing members
156A, 156B are provided at opposite sides of the sweeper 140, the
pressing members 156A, 156B can uniformly push the opposite sides
of the sweeper 140 during rotation of the knob 152. As a result,
the sweeper 140 can be uniformly exposed from the housing 110
without being biased toward one side.
[0048] One side of the first pressing member 156A is connected to
one side of the second pressing member 156B via a connection shaft
154, and the knob 152 is coupled to the first pressing member 156A.
Therefore, when the knob 152 is rotated, the first pressing member
156A is rotated to generate a rotational force, which in turn is
transferred to the second pressing member 156B, so that the second
pressing member 156B is rotated at the same angle in the same
direction as those of the first pressing member 156A. As a result,
the two pressing members 156A, 156B located at the opposite sides
of the sweeper 140 can be rotated simply by manipulating the single
knob 152.
[0049] The connection shaft 154 connects the first and second
pressing members 156A, 156B to each other. As a result, when the
first pressing member 156A is rotated, the second pressing member
156B is rotated simultaneously. The connection shaft 154 may be
supported by an inner configuration of the housing 110 to serve as
a rotational center of the pressing members 156A, 156B during the
rotation of the knob 152. Therefore, when a user rotates the knob
152, the first pressing member 156A coupled to the knob 152 is
rotated around the connection shaft 154.
[0050] The knob 152 is rotatably mounted on the housing 110 and is
exposed on an upper surface of the housing 110 to be easily
manipulated by a user. In this embodiment, the knob 152 is
illustrated as being coupled to the first pressing member 156A
located at the left side of the housing 110, but it should be noted
that the present invention is not limited to this configuration.
Alternatively, the knob 152 may be coupled to the second pressing
member 156B located at the right side of the housing 110.
[0051] Next, an operation principle of the sweeper 140 exposed from
or concealed within the housing 110 in the suction head 100 for
vacuum cleaners according to this embodiment will be described.
[0052] When a user compresses the knob 152 in one direction with
the sweeper 140 inserted into the housing 110 as shown in FIG. 7,
the knob 152 and the first pressing member 156A are rotated around
the connection shaft 154 serving as the rotational center in the
counter-clockwise direction. Then, the second pressing member 156B
connected to the first pressing member 156A via the connection
shaft 154 is also rotated in the counter-clockwise direction. By
the rotation of the first and second pressing members 156A, 156B,
the protrusions 156a of the first and second pressing members 156A,
156B are seated on the seating groove 151a of the mounting member
151, and the sweeper 140 is exposed from the housing 110 through
the exposing-concealing hole 111 as the mounting member 151 is
moved downward.
[0053] On the contrary, when a user compresses the knob 152 in the
opposite direction to conceal the sweeper 140 within the housing
110, the protrusions 156a are separated from the seating groove
151a and the pressing members 156A, 156B are rotated in the
clockwise direction. In this case, since the force compressing the
mounting member 151 is removed by the rotation of the pressing
members 156A, 156B, the mounting member 151 is moved upward by a
restoring force of the elastic member 153 to allow the sweeper 140
to return back to the interior of the housing 110.
[0054] According to one embodiment of the invention, the suction
head for vacuum cleaners has intake ports formed in front of and
behind a sweeper to allow a user to perform a cleaning operation
more easily and efficiently while moving the suction head forward
and rearward.
[0055] Further, according to one embodiment of the invention, the
suction head allows the sweeper to be exposed from or concealed
within the housing simply by manipulating a knob, thereby enhancing
convenience of use.
[0056] Moreover, according to one embodiment of the invention, the
suction head allows the sweeper to be exposed from the housing
according to user's needs, thereby providing a variety of cleaning
options.
[0057] Although some embodiment have been provided to illustrate
the present invention in conjunction with the drawings, it will be
apparent to those skilled in the art that the embodiments are given
by way of illustration only, and that various modifications and
equivalent embodiments can be made without departing from the
spirit and scope of the present invention. Further, the description
of the suction head for vacuum cleaners as provided herein is only
one example of the present invention, and the configuration of the
suction head according to the present invention can be applied to
other devices. Accordingly, the scope of the present invention
should be limited only by the accompanying claims.
* * * * *