US3955499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary rubber stamp
Assignee: Shachihata Industry Co Ltd
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Filing: 1974-05-06
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Granted: 1976-05-11
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Expires: 1994-05-06
Abstract
Abstract The invention discloses a rotary rubber stamp comprising a frame body with side openings, a bridge piece mounted to the lower ends of the frame body, rotary cylinders rotatably mounted nearly the center of the frame body, endless stamp belts made of porous rubber material containing continuous foam and mounted circularly around the rotary cylinders and the bridge piece, and rotary disks secured to the rotary cylinders and having their peripheral edges partially extend out of said openings, characterized by the provision of partition plates between the adjacent rotary disks and endless stamp belts.
Inventors
- 👤 Takaji Funahashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:45
CPC Classifications
B; B41; B41K; B41K1/00; B41K1/08; B41K1/10; B41K1/36; B41K1/38; B41K1/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
255 words
A rotary rubber stamp consisting of a frame body, a metal cover having side openings, an inverted U-shaped bridge piece mounted at the lower end of said frame body, ink storage means in the interior of said bridge piece, a plurality of cylinders rotatably mounted near the center of said frame body, a plurality of wheels each mounted coaxially about a respective one of said cylinders, a plurality of endless stamp belts made of porous rubber material, each of said belts being mounted around said bridge piece and being in engagement with said ink storage means and around a respective one of said wheels, a plurality of rotary discs each secured to a respective one of said cylinders, each said disc being spaced from the wheel mounted about said one cylinder, said rotary discs being so positioned as to have their peripheries partially projecting out of said side openings, to enable said wheels and belts to be rotated, and a plurality of pairs of partition plates, each pair surrounding a respective disc, one plate of each said pair being positioned between said respective disc and the wheel which is rotated thereby, the other plate of each said pair being positioned between said respective disc and the wheel adjacent thereto which is not rotated thereby, said partition plates being secured to and inside said frame body, the sides of each of said wheels contacting two adjacent partition plates whereby said partition plates prevent the ink from said endless stamp belts from contaminating the respective rotary discs.
Claim 2
Dependent Claim
255 words
A rotary rubber stamp consisting of a frame body, a metal cover having side openings, an inverted U-shaped bridge piece mounted at the lower end of said frame body, ink storage means in the interior of said bridge piece, a plurality of cylinders rotatably mounted near the center of said frame body, a plurality of wheels each mounted coaxially about a respective one of said cylinders, a plurality of endless stamp belts made of porous rubber material, each of said belts being mounted around said bridge piece and being in engagement with said ink storage means and around a respective one of said wheels, a plurality of rotary discs each secured to a respective one of said cylinders, each said disc being spaced from the wheel mounted about said one cylinder, said rotary discs being so positioned as to have their peripheries partially projecting out of said side openings, to enable said wheels and belts to be rotated, and a plurality of pairs of partition plates, each pair surrounding a respective disc, one plate of each said pair being positioned between said respective disc and the wheel which is rotated thereby, the other plate of each said pair being positioned between said respective disc and the wheel adjacent thereto which is not rotated thereby, said partition plates being secured to and inside said frame body, the sides of each of said wheels contacting two adjacent partition plates whereby said partition plates prevent the ink from said endless stamp belts from contaminating the respective rotary discs.
References Cited (Backward Citations)
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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) | 1979-05-11 | 1979-11-10 | 1980-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-05-11 | 1983-11-10 | 1984-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-05-11 | 1987-11-10 | 1988-05-11 | $7700.00 | Window Closed / Lapsed |