US3638600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for treating ferrous surfaces
Assignee: Individual
•
Filing: 1969-08-21
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Granted: 1972-02-01
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Expires: 1989-08-21
Abstract
Abstract This disclosure teaches a device for treating a ferrous surface and contemplates such applications as painting or scrubbing a ship''s hull. Preferably, one or more rollers are engaged to the ferrous surface by magnets which are connected to the rollers within the width thereof by means of spring members. Thus engaged, the rollers are easily moved over the surface. Suitable paint applying devices or scrubbing brushes with drives are furnished on the rollers.
Inventors
- 👤 Henry J Modrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:36
CPC Classifications
B; B63; B63B; B63B59/00; B63B59/06; B63B59/08; B05; B05C; B05C1/00; B05C1/04; B05C1/08; B05C1/10; B05C17/00; B05C17/02; B05C17/0227; B05C17/023; B05C17/025; B05C17/03; B63B2059/087
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
24 words
The apparatus according to claim 1 and further comprising sideways drive means supported by said frame for displacing said frame sideways through predetermined increments.
Claim 2
Dependent Claim
20 words
The apparatus of claim 1 with said magnet means comprising a chamfered pole surface to facilitate sliding over said surface.
Claim 3
Dependent Claim
21 words
The apparatus of claim 1 with the spring arms organized for bowing toward said surface to equalize pressures on said rollers.
Claim 4
Dependent Claim
19 words
The apparatus of claim 1 with said magnet means including a magnet rotatably mounted for rolling along said surface.
Claim 5
Dependent Claim
24 words
The apparatus according to claim 1 with a paint-applying material mounted about at least one of said rollers and means for supplying paint thereto.
Claim 6
Dependent Claim
22 words
The apparatus according to claim 1 with a paint-applying material mounted about both of said rollers and means for supplying paint thereto.
Claim 7
Dependent Claim
64 words
The apparatus of claim 1 with said roller adapted to engage a ship''s hull, sideways drive means including spur gears connected to the frame and arranged to engage said hull sideways relative said rollers, means operable by a lanyard for turning said spur gears to move said frame sideways relative said rollers through a predetermined distance in response to an operation of the lanyard.
Claim 8
Dependent Claim
12 words
The apparatus of claim 8 with said spur gears mounting magnet 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) | 1975-01-31 | 1975-08-02 | 1976-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-31 | 1979-08-02 | 1980-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-31 | 1983-08-02 | 1984-02-01 | $7700.00 | Window Closed / Lapsed |