US3823993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sewing machine
Assignee: RICCAR SEWING MACHINE CO Ltd
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Filing: 1973-01-29
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Granted: 1974-07-16
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Expires: 1993-01-29
Abstract
Abstract A cabinet box for housing and supporting a sewing machine of a free arm type, which is provided with a free arm projecting horizontally from the standing portion of the machine and used for sewing tubular pieces, etc. The cabinet box has a top cover composed of a plurality of elongated plates which are arranged in parallel with one another and connected pivotally so that they serve for a cover for completely closing the top portion of the cabinet and at the same time as a large area of a flat work support surface for sewing flat cloth in cooperation with the arm work support surface.
Inventors
- 👤 R Kakishima
- 👤 Y Nomoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:54
CPC Classifications
D; D05; D05B; D05B75/00; D05B75/06
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
207 words
Cabinet for supporting and housing a sewing machine which is provided with a free arm projecting substantially horizontally from a standing portion of the machine and having a work supporting surface formed thereon, characterized in that said cabinet comprises an intermediate shelf composed of a swingable mounting plate for fixedly mounting said sewing machine, and a top cover portion provided above said mounting shelf and comprising a plurality of top cover plates which are connected to one another and to said cabinet at the top portion and are foldable so that, when the sewing machine is to be used for sewing on a work support surface of said free arm, said plates being foldable so as to expose said intermediate shelf, said machine being usable for the sewing work on a large area of said work supporting surface, wherein selected ones of said plates are unfolded and extended flat so as to provide a large additional work support surface area in cooperation with said work support surface of said machine arm portion, all of said plurality of top cover plates being adapted to be unfolded to completely cover said top portion of said cabinet, when the machine is housed therein by swinging down said machine mounting plate.
Claim 2
Dependent Claim
207 words
Cabinet for supporting and housing a sewing machine which is provided with a free arm projecting substantially horizontally from a standing portion of the machine and having a work supporting surface formed thereon, characterized in that said cabinet comprises an intermediate shelf composed of a swingable mounting plate for fixedly mounting said sewing machine, and a top cover portion provided above said mounting shelf and comprising a plurality of top cover plates which are connected to one another and to said cabinet at the top portion and are foldable so that, when the sewing machine is to be used for sewing on a work support surface of said free arm, said plates being foldable so as to expose said intermediate shelf, said machine being usable for the sewing work on a large area of said work supporting surface, wherein selected ones of said plates are unfolded and extended flat so as to provide a large additional work support surface area in cooperation with said work support surface of said machine arm portion, all of said plurality of top cover plates being adapted to be unfolded to completely cover said top portion of said cabinet, when the machine is housed therein by swinging down said machine mounting plate.
Claim 3
Dependent Claim
168 words
Cabinet for arm sewing machine as set forth in claim 1, wherein said cabinet comprises a right side wall, a left side wall, a front wall and a rear wall connected to one another in a box-like form, characterized in that said plurality of top cover plates are composed of a rear top cover plate rearwardly swingably connected to said rear wall along the top edge thereof, a pair of middle top cover plates pivotally connected to said rear top cover plate along the opposite edge thereof so that said middle top cover plates and may individually be folded toward the lower surface of said rear top cover plate and a front top cover plate pivotally connected to said front wall along the top so that said top cover plate may be folded toward the inner surface of said front wall portion, wherein one of said pair of middle top cover plates is of a configuration corresponding to the contour of said free arm portion of said machine.
Claim 4
Dependent Claim
61 words
Cabinet for arm sewing machine as set forth in claim 2, characterized in that said side walls are, respectively, provided with surrounding and guiding plates for said front top cover plate, said supporting and guiding plates being formed with a curved edge inclined downwardly toward the front wall so as to guide the folding movement of said front top cover plate.
Claim 5
Dependent Claim
65 words
Cabinet for arm sewing machine as set forth in claim 3, characterized in that one of said supporting and guide plates and said front top cover plate are provided with locking means for maintaining said front top cover plate in the closed position, while the other plate is provided with a stop projection to set said front top cover plate at a predetermined closed position.
Claim 6
Dependent Claim
73 words
Cabinet for arm sewing machine as set forth in claim 2, characterized in that said machine mounting plate is downwardly swingably connected to a top portion of the cabinet front wall at one longitudinal edge thereof and to an auxiliary plate at the other longitudinal edge thereof, said auxiliary plate having guide means slidable on rail members fixed to said side walls, respectively, and inclined downwardly toward the front wall of said cabinet.
Claim 7
Dependent Claim
47 words
Cabinet for arm sewing machine as set forth in claim 5, characterized in that stoppers are fixed to said side walls to stop the downwardly swinging movement of said machine mounting plate at the position in which said machine may be fully housed within the closed cabinet.
Claim 8
Dependent Claim
50 words
Cabinet for arm sewing machine as set forth in claim 5, characterized in that said machine mounting plate is provided with a latch which cooperate with catch means fixed on said side walls to releasably hold said machine mounting plate and said auxiliary plate in a stationary horizontal working position.
Claim 9
Dependent Claim
49 words
Cabinet for arm sewing machine as set forth in claim 7, characterized in that magnetic holding means are provided on the lower surfaces of said rear top cover plate and said pair of middle plates so as to maintain selectively the folded position of said middle top cover plates.
Claim 10
Dependent Claim
79 words
Cabinet for arm sewing machine as set forth in claim 8, characterized in that the top portion of said front wall of said cabinet to which said front top cover plate is swingably connected is composed of a beam-like plate which are pivotally connected to the remaining front wall portion of said cabinet so that said plate together with said front top cover plate may be brought down to a substantially horizontal position flush with said machine mounting plate.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-07-15 | 1978-01-14 | 1978-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-15 | 1982-01-14 | 1982-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-15 | 1986-01-14 | 1986-07-16 | $7700.00 | Window Closed / Lapsed |