US3703043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam iron
Assignee: Panasonic Holdings Corp
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Filing: 1971-07-19
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Granted: 1972-11-21
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Expires: 1991-07-19
Abstract
Abstract A steam iron in which a large number of steam nozzles are grouped into a plurality of groups and means for delivering steam to said respective groups is shiftable, from a state of delivering steam to any one of said groups to a state of delivering steam to any other selected group, and further indicator means is provided to indicate which of said groups steam is being delivered to.
Inventors
- 👤 Nobutaka Ogata
- 👤 Riyouzi Kumamoto
- 👤 Shuzi Asada
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:31
CPC Classifications
D; D06; D06F; D06F75/00; D06F75/08; D06F75/10; D06F75/14; D06F75/18
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
152 words
A steam iron comprising a base having a heater, a vaporizing chamber and a number of steam nozzles grouped into a plurality of groups, a handle arranged above said base, a water storage tank, opening and closing means for opening or closing a water passage communicating said tank with said vaporizing chamber for controlling water dropping from said tank into said vaporizing chamber, manually operated button means for operating said opening and closing means, means for delivering steam generated in said vaporizing chamber to each of said plurality of groups of steam nozzles, switching means for shifting said steam delivering means from a state of delivering the steam to any one of a plurality of said groups to a state of delivering the steam to any other one of a plurality of said groups, and indicator means for indicating which of said groups of steam nozzles the steam is being delivered to.
Claim 2
Dependent Claim
152 words
A steam iron comprising a base having a heater, a vaporizing chamber and a number of steam nozzles grouped into a plurality of groups, a handle arranged above said base, a water storage tank, opening and closing means for opening or closing a water passage communicating said tank with said vaporizing chamber for controlling water dropping from said tank into said vaporizing chamber, manually operated button means for operating said opening and closing means, means for delivering steam generated in said vaporizing chamber to each of said plurality of groups of steam nozzles, switching means for shifting said steam delivering means from a state of delivering the steam to any one of a plurality of said groups to a state of delivering the steam to any other one of a plurality of said groups, and indicator means for indicating which of said groups of steam nozzles the steam is being delivered to.
Claim 3
Dependent Claim
152 words
A steam iron comprising a base having a heater, a vaporizing chamber and a number of steam nozzles grouped into a plurality of groups, a handle arranged above said base, a water storage tank, opening and closing means for opening or closing a water passage communicating said tank with said vaporizing chamber for controlling water dropping from said tank into said vaporizing chamber, manually operated button means for operating said opening and closing means, means for delivering steam generated in said vaporizing chamber to each of said plurality of groups of steam nozzles, switching means for shifting said steam delivering means from a state of delivering the steam to any one of a plurality of said groups to a state of delivering the steam to any other one of a plurality of said groups, and indicator means for indicating which of said groups of steam nozzles the steam is being delivered to.
Claim 4
Dependent Claim
152 words
A steam iron comprising a base having a heater, a vaporizing chamber and a number of steam nozzles grouped into a plurality of groups, a handle arranged above said base, a water storage tank, opening and closing means for opening or closing a water passage communicating said tank with said vaporizing chamber for controlling water dropping from said tank into said vaporizing chamber, manually operated button means for operating said opening and closing means, means for delivering steam generated in said vaporizing chamber to each of said plurality of groups of steam nozzles, switching means for shifting said steam delivering means from a state of delivering the steam to any one of a plurality of said groups to a state of delivering the steam to any other one of a plurality of said groups, and indicator means for indicating which of said groups of steam nozzles the steam is being delivered to.
Claim 5
Dependent Claim
15 words
A steam iron as defined in claim 1, wherein said switching means is operated manually.
Claim 6
Dependent Claim
24 words
A steam iron as defined in claim 2, wherein said switching means and said manually operated button means are operatively associated with each other.
Claim 7
Dependent Claim
84 words
A steam iron as defined in claim 2, wherein said base has formed therein a steam supply chamber communicating with a large number of said steam nozzles and a steam chamber communicating with a small number of said steam nozzles, and said switching means includes a change-over valve which is disposed in either one of said steam supplying chamber and said steam chamber or in a passage communicating the former with the latter, and further means is provided to manually operate said change-over valve.
Claim 8
Dependent Claim
39 words
A steam iron as defined in claim 1, wherein a number of said steam nozzles are grouped into a first group including all of said steam nozzles and a second group including a small number of said steam nozzles.
Claim 9
Dependent Claim
34 words
A steam iron as defined in claim 5, wherein a non-circular recess having extensions extending longitudinally of the iron is formed around each of a small number of said steam nozzles in communication therewith.
Claim 10
Dependent Claim
98 words
A steam iron as defined in claim 1, wherein said opening and closing means has an opening and closing rod for controlling water dropping from said tank into said vaporizing chamber, said manually operated button means has disposed therein a rotary member which rotates said opening and closinG rod when said buttom means is moved vertically, and said opening and closing rod is provided with a metallic member and said switching means including a change-over valve which is operatively associated with said metallic member and opened or closed by said opening and closing rod incident to rotation thereof.
Claim 11
Dependent Claim
50 words
A steam iron as defined in claim 7, wherein said opening and closing rod and said rotary member of said manually operated button means are operatively connected with each other by means of a spring, whereby a rotation of said rotary member is transmitted to said opening and closing rod.
Claim 12
Dependent Claim
20 words
A steam iron as defined in claim 1, wherein said indicator means is located adjacent said manually operated button means.
Claim 13
Dependent Claim
71 words
A steam iron as defined in claim 9, wherein a plurality of indication media are provided on the upper face of said rotary member of said manually operated button means, while a window is formed in said button means in register with one of said indication media, whereby the operational states of the iron are indicated one after another sequentially through said window incident to the rotation of said rotary member.
Claim 14
Dependent Claim
61 words
A steam iron as defined in claim 9, wherein indication media are provided on indicator means operatively associated with said rotary member of the manually operated button means, while a sight window is formed at a portion of the handle in which said manually operated button means is provided, said sight window being in register with one of said indication media.
Claim 15
Dependent Claim
66 words
A steam iron as defined in claim 1, wherein said manually operated button means comprises a guide member for vertically movably but unrotatably holding said means, a switching device disposed on one side of said guide member and having a reversibly movable latching plate, and an operating pin engageable with and disengageable from said reversibly movable latching plate and carried by said manually operated button means.
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) | 1975-11-21 | 1976-05-22 | 1976-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-21 | 1980-05-22 | 1980-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-21 | 1984-05-22 | 1984-11-21 | $7700.00 | Window Closed / Lapsed |