Patent US4955105A successfully refreshed from Google Patents.
US4955105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum cleaner
Assignee: Hitachi Ltd
•
Filing: 1988-03-02
•
Granted: 1990-09-11
•
Expires: 2008-03-02
Abstract
Abstract A vacuum cleaner comprises a vacuum cleaner body in which at least a dust collecting chamber, an electric blower chamber, and an exhaust chamber are formed integrally and an accommodating case for accommodating the vacuum cleaner body and attachments of the vacuum cleaner, and a suction opening and an exhaust opening are provided in the accommodating case which includes a body case accommodating at least the vacuum cleaner body and a cover case for covering an opening of the body case, with the result that a portable, compact vacuum cleaner is provided.
Inventors
- 👤 Masao Sunagawa
- 👤 Fumio Jyoraku
- 👤 Yoshitaro Ishii
- 👤 Susumu Satoo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:41
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/0009; A47L9/0018; A47L9/0027; A47L5/00; A47L5/12; A47L5/22; A47L5/24; A47L9/0036; A47L9/0063
Claims Analysis
Total Claims: 38
Claim 1
Independent Claim
162 words
A vacuum cleaner comprising a vacuum cleaner body and an accommodating case for accommodating said vacuum cleaner body and attachments of the vacuum cleaner, said vacuum cleaner body comprising at least a dust collecting chamber, an electric blower chamber, and an exhaust chamber, said dust collecting chamber, said electric blower chamber and said exhaust chamber forming a unitary structure arranged in said accommodating case such that an outer profile of the exhaust chamber is in a confronting relationship with an exhaust opening of the accommodating case, wherein at least a suction opening communicating with said dust collecting chamber and the exhaust opening communicating with said exhaust chamber are formed in said accommodating case, and wherein said accommodating case includes a body case for accommodating at least said vacuum cleaner body and a cover case for accommodating said attachments of the vacuum cleaner, said cover case being adapted to close an opening of said body case forming the opening of said accommodating case.
Claim 2
Dependent Claim
162 words
A vacuum cleaner comprising a vacuum cleaner body and an accommodating case for accommodating said vacuum cleaner body and attachments of the vacuum cleaner, said vacuum cleaner body comprising at least a dust collecting chamber, an electric blower chamber, and an exhaust chamber, said dust collecting chamber, said electric blower chamber and said exhaust chamber forming a unitary structure arranged in said accommodating case such that an outer profile of the exhaust chamber is in a confronting relationship with an exhaust opening of the accommodating case, wherein at least a suction opening communicating with said dust collecting chamber and the exhaust opening communicating with said exhaust chamber are formed in said accommodating case, and wherein said accommodating case includes a body case for accommodating at least said vacuum cleaner body and a cover case for accommodating said attachments of the vacuum cleaner, said cover case being adapted to close an opening of said body case forming the opening of said accommodating case.
Claim 3
Dependent Claim
36 words
A vacuum cleaner according to claim 1, wherein said vacuum cleaner body is secured to an inside surface of said body case and opposes an inside surface of said cover case at a close distance therefrom.
Claim 4
Dependent Claim
147 words
A vacuum cleaner comprising a vacuum cleaner body and an accommodating case for accommodating said vacuum cleaner body and attachments of the vacuum cleaner, said vacuum cleaner body comprising at least a dust collecting chamber, an electric blower chamber, and an exhaust chamber, said dust collecting chamber, said electric blower chamber and said exhaust chamber forming a unitary structure, at least a suction opening communicating with said dust collecting chamber and an exhaust opening communicating with said exhaust chamber are formed in said accommodating case, said accommodating case includes a body case for accommodating at least said vacuum cleaner and a cover case for accommodating said attachments of the vacuum cleaner, said cover case being adapted to close an opening of said body case, and wherein said vacuum cleaner body is clamped between an inside surface of said body case an inside surface of said cover case.
Claim 5
Dependent Claim
147 words
A vacuum cleaner comprising a vacuum cleaner body and an accommodating case for accommodating said vacuum cleaner body and attachments of the vacuum cleaner, said vacuum cleaner body comprising at least a dust collecting chamber, an electric blower chamber, and an exhaust chamber, said dust collecting chamber, said electric blower chamber and said exhaust chamber forming a unitary structure, at least a suction opening communicating with said dust collecting chamber and an exhaust opening communicating with said exhaust chamber are formed in said accommodating case, said accommodating case includes a body case for accommodating at least said vacuum cleaner and a cover case for accommodating said attachments of the vacuum cleaner, said cover case being adapted to close an opening of said body case, and wherein said vacuum cleaner body is clamped between an inside surface of said body case an inside surface of said cover case.
Claim 6
Dependent Claim
24 words
A vacuum cleaner according to claim 1, wherein a width of said body case is substantially identical with a width of said cover case.
Claim 7
Dependent Claim
23 words
A vacuum cleaner according to claim 1, wherein said vacuum cleaner body is detachably disposed on an inside surface of said body case.
Claim 8
Dependent Claim
143 words
A vacuum cleaner comprising a vacuum cleaner body and an accommodating case for accommodating said vacuum cleaner body and attachments of the vacuum cleaner, said vacuum cleaner comprising at least a dust collecting chamber, an electric blower chamber, and an exhaust chamber, said dust collecting chamber, said electric blower chamber and said exhaust chamber forming a unitary structure, at least a suction opening communicating with said dust collecting chamber and an exhaust opening communicating with said exhaust chamber are formed in said accommodating case, said accommodating case includes a body case for accommodating at least said vacuum cleaner body and a cover case for accommodating said attachments of the vacuum cleaner, said cover case being adapted to close an opening of said body case, and wherein a part of said exhaust chamber of said vacuum cleaner body is fitted with said exhaust opening.
Claim 9
Dependent Claim
143 words
A vacuum cleaner comprising a vacuum cleaner body and an accommodating case for accommodating said vacuum cleaner body and attachments of the vacuum cleaner, said vacuum cleaner comprising at least a dust collecting chamber, an electric blower chamber, and an exhaust chamber, said dust collecting chamber, said electric blower chamber and said exhaust chamber forming a unitary structure, at least a suction opening communicating with said dust collecting chamber and an exhaust opening communicating with said exhaust chamber are formed in said accommodating case, said accommodating case includes a body case for accommodating at least said vacuum cleaner body and a cover case for accommodating said attachments of the vacuum cleaner, said cover case being adapted to close an opening of said body case, and wherein a part of said exhaust chamber of said vacuum cleaner body is fitted with said exhaust opening.
Claim 10
Dependent Claim
169 words
A vacuum cleaner comprising a vacuum cleaner body and an accommodating case for accommodating the vacuum cleaner body and attachments of the vacuum cleaner, said vacuum cleaner body comprising at least a dust collecting chamber, an electric blower chamber and an exhaust chamber, said dust collecting chamber, said electric blower chamber and said exhaust chamber forming a unitary structure, said accommodating case including a body case accommodating said vacuum cleaner body and a cover case for covering an opening of said body case, wherein a holding portion for said attachments of the vacuum cleaner is formed on an inside surface of said body case and a portion other than a portion where said vacuum cleaner body is installed, and wherein a holding portion for said attachments of said vacuum cleaner is formed on an inside surface of said cover case in a portion other than a portion opposing said dust collecting chamber, and a suction hose is installed between said holding portions for said attachments of the vacuum cleaner.
Claim 11
Dependent Claim
169 words
A vacuum cleaner comprising a vacuum cleaner body and an accommodating case for accommodating the vacuum cleaner body and attachments of the vacuum cleaner, said vacuum cleaner body comprising at least a dust collecting chamber, an electric blower chamber and an exhaust chamber, said dust collecting chamber, said electric blower chamber and said exhaust chamber forming a unitary structure, said accommodating case including a body case accommodating said vacuum cleaner body and a cover case for covering an opening of said body case, wherein a holding portion for said attachments of the vacuum cleaner is formed on an inside surface of said body case and a portion other than a portion where said vacuum cleaner body is installed, and wherein a holding portion for said attachments of said vacuum cleaner is formed on an inside surface of said cover case in a portion other than a portion opposing said dust collecting chamber, and a suction hose is installed between said holding portions for said attachments of the vacuum cleaner.
Claim 12
Dependent Claim
67 words
A vacuum cleaner according to claim 7, wherein extension pipes and a suction member for use in tight spaces are disposed in said holding portion for said attachments of the vacuum cleaner in said body case, and a suction member for floor use, a power cord, and a shoulder band are disposed in said holding portion for said attachments of the vacuum cleaner in said cover case.
Claim 13
Dependent Claim
43 words
A vacuum cleaner according to claim 7, wherein a part of said attachments of the vacuum cleaner such as a suction member for use in tight spaces is secured so as to be clamped between said vacuum cleaner body and said body case.
Claim 14
Dependent Claim
34 words
A vacuum cleaner according to claim 7, wherein a recess for attachment a suction member for floor use is formed on an outer wall of said electric blower chamber of said vacuum cleaner body.
Claim 15
Dependent Claim
42 words
A vacuum cleaner according to claim 7, wherein a suction member for floor use is installed on a side of said cover case, and elongated attachments of the vacuum cleaner including extension pipes are installed on a side of said body case.
Claim 16
Dependent Claim
40 words
A vacuum cleaner according to claim 7, wherein said suction hose is installed between said holding portion for said attachments of the vacuum cleaner in a state in which said suction holes is rotatably fixed to said dust collecting chamber.
Claim 17
Dependent Claim
32 words
A vacuum cleaner according to claim 12, wherein said suction hose is installed in such a manner so as to be drawn out from a suction opening provided in said accommodating case.
Claim 18
Dependent Claim
34 words
A vacuum cleaner according to claim 7, wherein said holding portion for said attachments of the vacuum cleaner in said cover case includes a pocket for accommodating a power cord and a shoulder band.
Claim 19
Dependent Claim
65 words
A vacuum cleaner according to claim 7, wherein a width of said attachments of the vacuum cleaner disposed in said holding portion for said attachments of the vacuum cleaner is one of substantially identical with or smaller than a width of said vacuum cleaner body, and wherein said vacuum cleaner body is arranged parallel with a longitudinal extension of said attachments of the vacuum cleaner.
Claim 20
Dependent Claim
132 words
A vacuum cleaner comprising a vacuum cleaner body and an accommodating case for accommodating the vacuum cleaner body and attachments of the vacuum cleaner, said vacuum cleaner body comprising at least a dust collecting chamber, an electric blower chamber, and an exhaust chamber, said dust collecting chamber, said electric blower chamber and said exhaust chamber forming a unitary structure, wherein a height of said attachments of the vacuum cleaner as measured in a direction perpendicular to a longitudinal direction of the vacuum cleaner is one of substantially identical with or smaller than a height of said vacuum cleaner body as measured in a direction perpendicular to a longitudinal direction of the vacuum cleaner, and a longitudinal extension of said vacuum cleaner body is arranged parallel with said attachments of the vacuum cleaner.
Claim 21
Dependent Claim
132 words
A vacuum cleaner comprising a vacuum cleaner body and an accommodating case for accommodating the vacuum cleaner body and attachments of the vacuum cleaner, said vacuum cleaner body comprising at least a dust collecting chamber, an electric blower chamber, and an exhaust chamber, said dust collecting chamber, said electric blower chamber and said exhaust chamber forming a unitary structure, wherein a height of said attachments of the vacuum cleaner as measured in a direction perpendicular to a longitudinal direction of the vacuum cleaner is one of substantially identical with or smaller than a height of said vacuum cleaner body as measured in a direction perpendicular to a longitudinal direction of the vacuum cleaner, and a longitudinal extension of said vacuum cleaner body is arranged parallel with said attachments of the vacuum cleaner.
Claim 22
Dependent Claim
116 words
A vacuum cleaner comprising a vacuum cleaner body and an accommodating case for accommodating the vacuum cleaner body and attachments of the vacuum cleaner, said vacuum cleaner body comprising at least a dust collecting chamber, an electric blower chamber and an exhaust chamber, said dust collecting chamber, said electric blower chamber and said exhaust chamber forming a unitary structure, said accommodating case includes a body case accommodating said vacuum cleaner body and a cover case for covering an opening of said body case, hinge means for securing said cover case to said body case, and wherein said vacuum cleaner body is disposed in said body case at a portion thereof where said hinge means are provided.
Claim 23
Dependent Claim
116 words
A vacuum cleaner comprising a vacuum cleaner body and an accommodating case for accommodating the vacuum cleaner body and attachments of the vacuum cleaner, said vacuum cleaner body comprising at least a dust collecting chamber, an electric blower chamber and an exhaust chamber, said dust collecting chamber, said electric blower chamber and said exhaust chamber forming a unitary structure, said accommodating case includes a body case accommodating said vacuum cleaner body and a cover case for covering an opening of said body case, hinge means for securing said cover case to said body case, and wherein said vacuum cleaner body is disposed in said body case at a portion thereof where said hinge means are provided.
Claim 24
Dependent Claim
27 words
A vacuum cleaner according to claim 17, wherein at least one of small wheels and a shoulder band are disposed on a side of said body case.
Claim 25
Dependent Claim
52 words
A vacuum cleaner according to claim 18, wherein three rotary bodies serve as said small wheels, said three rotary bodies are provided on an outside surface of said body case, and at least two engaging portions are provided for installing a shoulder band on an outer upper surface of said body case.
Claim 26
Dependent Claim
44 words
A vacuum cleaner according to claim 19, wherein said engaging portions for installing a shoulder band are provided in a central portion of an upper outer surface of said body case and at opposite ends of said outer upper surface of said body case.
Claim 27
Dependent Claim
74 words
A vacuum cleaner according to claim 17, wherein the center of gravity of said accommodating case with respect to a horizontal direction of the vacuum cleaner along an axis parallel to a hinge axis of the hinge means and the center of gravity of said vacuum cleaner with respect to a horizontal direction of the vacuum cleaner along the axis parallel to the hinge axis of the hinge means substantially coincide with each other.
Claim 28
Dependent Claim
48 words
A vacuum cleaner according to claim 17, wherein said electrical blower chamber and said exhaust chamber in said vacuum cleaner body are communicated with each other by an exhaust pipe, and wherein external dimensions of said exhaust pipe are smaller than external dimensions of said electric blower chamber.
Claim 29
Dependent Claim
133 words
A vacuum cleaner comprising a vacuum cleaner body and an accommodating case for accommodating the vacuum cleaner body and attachments for the vacuum cleaner, said vacuum cleaner body comprising at least a dust collecting chamber, an electric blower chamber and an exhaust chamber, said dust collecting chamber, said electric blower and said exhaust chamber forming a unitary structure, said accommodating case including a body case for accommodating said vacuum cleaner body and a cover case for covering an opening of said body case, hinge means for securing said cover case to said body case, said vacuum cleaner body is disposed in the body case at a portion thereof where said hinge means are provided, and said dust collecting chamber of said vacuum cleaner body projects upwardly from said opening of said body case.
Claim 30
Dependent Claim
133 words
A vacuum cleaner comprising a vacuum cleaner body and an accommodating case for accommodating the vacuum cleaner body and attachments for the vacuum cleaner, said vacuum cleaner body comprising at least a dust collecting chamber, an electric blower chamber and an exhaust chamber, said dust collecting chamber, said electric blower and said exhaust chamber forming a unitary structure, said accommodating case including a body case for accommodating said vacuum cleaner body and a cover case for covering an opening of said body case, hinge means for securing said cover case to said body case, said vacuum cleaner body is disposed in the body case at a portion thereof where said hinge means are provided, and said dust collecting chamber of said vacuum cleaner body projects upwardly from said opening of said body case.
Claim 31
Dependent Claim
57 words
A vacuum cleaner according to claim 23, wherein an opening is provided in said dust collecting chamber, a dust collection cover for covering said opening is provided, and a plane in which said opening in said dust collecting chamber is disposed is substantially parallel with a plane in which said opening of said body case is disposed.
Claim 32
Dependent Claim
46 words
A vacuum cleaner according to claim 23, wherein the dust collecting chamber is provided with an opening, and a plane in which the opening of said dust collecting chamber is disposed is parallel to a plane in which the opening of said body case is disposed.
Claim 33
Dependent Claim
57 words
A vacuum cleaner according to claim 17, wherein an opening is provided in said dust collecting chamber, a dust collecting cover for covering said opening is provided, and a plane in which said opening in said dust collecting chamber is disposed is substantially orthogonal to a plane in which said opening of said body case is disposed.
Claim 34
Dependent Claim
26 words
A vacuum cleaner according to claim 26, wherein a suction hose is detachably provided on one of said dust collection cover or said dust collecting chamber.
Claim 35
Dependent Claim
26 words
A vacuum cleaner according to claim 26, wherein a suction hose is rotatably provided on one of said dust collecting cover or said dust collecting chamber.
Claim 36
Dependent Claim
32 words
A vacuum cleaner according to claim 28, wherein said suction hose is provided in such a manner so as to be drawn out through a suction opening provided in said accommodating case.
Claim 37
Dependent Claim
151 words
A vacuum cleaner comprising a vacuum cleaner body and an attachment case for accommodating the vacuum cleaner body and attachments for the vacuum cleaner, said vacuum cleaner body comprising at least a dust collecting chamber, an electric blower chamber, and an exhaust chamber, said dust collecting chamber, said electric blower and said exhaust chamber forming a unitary structure, a suction opening serving as an opening for drawing out a suction hose for communicating with said dust collecting chamber and an exhaust opening communicating with said exhaust chamber are formed in said accommodating case, said accommodating case includes a body case accommodating said vacuum cleaner body and a cover case for covering an opening of said body case, hinge means are provided for connecting said cover case to said body case, and both said body case and said cover case are made of a synthetic resin and formed into a double-wall structure.
Claim 38
Dependent Claim
151 words
A vacuum cleaner comprising a vacuum cleaner body and an attachment case for accommodating the vacuum cleaner body and attachments for the vacuum cleaner, said vacuum cleaner body comprising at least a dust collecting chamber, an electric blower chamber, and an exhaust chamber, said dust collecting chamber, said electric blower and said exhaust chamber forming a unitary structure, a suction opening serving as an opening for drawing out a suction hose for communicating with said dust collecting chamber and an exhaust opening communicating with said exhaust chamber are formed in said accommodating case, said accommodating case includes a body case accommodating said vacuum cleaner body and a cover case for covering an opening of said body case, hinge means are provided for connecting said cover case to said body case, and both said body case and said cover case are made of a synthetic resin and formed into a double-wall structure.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-09-10 | 1994-03-12 | 1994-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-09-10 | 1998-03-12 | 1998-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-09-10 | 2002-03-12 | 2002-09-11 | $7700.00 | Window Closed / Lapsed |