US3783785A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Layout marking wheel
Assignee: Individual
•
Filing: 1972-08-14
•
Granted: 1974-01-08
•
Expires: 1992-08-14
Abstract
Abstract A marking device comprising a drum having a plurality axially elongated peripheral receptacles or pockets and cartridges arranged to be inserted into the receptacles from opposite ends of the drum and floatingly supported therein for radial movement which effects a pumping action to force marking fluid into a marking wick and aspiration of excess fluid into the cartridge.
Inventors
- 👤 F Lindgren
- 👤 W Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:17
CPC Classifications
B; B41; B41K; B41K1/00; B41K1/22; B43; B43K; B43K8/00; B43K8/20
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
153 words
In a marking device, a drum element adapted to be rolled along the surface to be marked, a selected number of cartridges mounted on the element, each cartridge having a flexible container portion and a wick extending therefrom through the periphery of the drum, said wick formed of relatively stiff material and having an outer edge portion extending beyond the periphery of the drum and effective to deform said cartridge upon engagement with the surface to be marked by moving inwardly of said periphery, said cartridge having a shell of deformable plastic material and having lip portions embracing the wick which extends into the shell, said drum having guide means guiding said wick during reciprocation thereof into and out of the drum and said guide means having wedging engagement with said lips to enhance the clamping action of the lips against the wick, and means for floatingly mounting the cartridges in the drum.
Claim 2
Dependent Claim
153 words
In a marking device, a drum element adapted to be rolled along the surface to be marked, a selected number of cartridges mounted on the element, each cartridge having a flexible container portion and a wick extending therefrom through the periphery of the drum, said wick formed of relatively stiff material and having an outer edge portion extending beyond the periphery of the drum and effective to deform said cartridge upon engagement with the surface to be marked by moving inwardly of said periphery, said cartridge having a shell of deformable plastic material and having lip portions embracing the wick which extends into the shell, said drum having guide means guiding said wick during reciprocation thereof into and out of the drum and said guide means having wedging engagement with said lips to enhance the clamping action of the lips against the wick, and means for floatingly mounting the cartridges in the drum.
Claim 3
Dependent Claim
33 words
The invention according to claim 1 and said drum having pockets receiving respective cartridges therein, and said mounting means comprising deflectible, relatively soft means between the cartridge and the sides of the pocket.
Claim 4
Dependent Claim
16 words
The invention according to claim 2 and said deflectible means comprising elastomer material of sponge-like characteristics.
Claim 5
Dependent Claim
11 words
The invention according to claim 3 and said material being polyeurathane.
Claim 6
Dependent Claim
56 words
The invention according to claim 1 and said drum having pockets elongated axially of the drum and said cartridges disposed in said pockets with the wicks projecting through respective guide means, and said mounting means comprising a sleeve of sponge-like elastomer material in each pocket encasing the shell and operative to floatingly support the respective cartridge.
Claim 7
Dependent Claim
50 words
The invention according to claim 5 and said pockets having open ends at the ends of drum, and said cartridges Positionable in extended positions outwardly of an end of the drum and said cartridges adapted to be inserted and applied to the drum by endwise displacement axially of the drum.
Claim 8
Dependent Claim
32 words
The invention according to claim 1 and each said shell being of generally quadrilateral conformation and the drum having pockets extending axially of the drum and of complimentary form to said shells.
References Cited (Backward Citations)
US2451595A
Cited
US2753641A
Cited
US3086460A
Cited
US3369543A
Cited
US3355239A
Cited
US3546779A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-01-07 | 1977-07-09 | 1978-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-07 | 1981-07-09 | 1982-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-07 | 1985-07-09 | 1986-01-08 | $7700.00 | Window Closed / Lapsed |