Patent US3590171A successfully refreshed from Google Patents.
US3590171A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary current collector
Assignee: Jeffrey Galion Inc
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Filing: 1969-01-06
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Granted: 1971-06-29
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Expires: 1989-01-06
Abstract
Abstract A rotary current collector enclosed in a sealed housing, which is secured to a fixed part of the equipment. A rotating member of the current collector extends out through the fixed member of the current collector, with a bearing to rotatably support the rotating member. A cable reel is secured to the rotating member and is supported for rotation with the latter.
Inventors
- 👤 Carl M Harrington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:40
CPC Classifications
H; H02; H02G; H02G11/00; H02G11/02; H01; H01R; H01R39/00; H01R39/64
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
179 words
A current collector for a cable reel in a fixed structure, said current collector being disposed at one end of said cable reel, means to rotatably mount the other end of said cable reel on said fixed structure, a fixed housing member in said current collector, means to secure said current collector to said fixed structure by said fixed housing member, relatively rotatable current collector rings in said current collector and disposed within said fixed housing member, said current collector including a rotatable element that extends in to said one end of the cable reel, means to secure said one end of said cable reel to said rotatable element for rotation of the cable reel with the rotatable element, said fixed housing member extending from said fixed structure in to said one end of said cable reel, bearing means in said one end of said cable reel between said fixed housing member of said current collector and said rotatable element of the current collector to rotatably support said one end of the cable reel on the fixed housing member.
Claim 2
Dependent Claim
179 words
A current collector for a cable reel in a fixed structure, said current collector being disposed at one end of said cable reel, means to rotatably mount the other end of said cable reel on said fixed structure, a fixed housing member in said current collector, means to secure said current collector to said fixed structure by said fixed housing member, relatively rotatable current collector rings in said current collector and disposed within said fixed housing member, said current collector including a rotatable element that extends in to said one end of the cable reel, means to secure said one end of said cable reel to said rotatable element for rotation of the cable reel with the rotatable element, said fixed housing member extending from said fixed structure in to said one end of said cable reel, bearing means in said one end of said cable reel between said fixed housing member of said current collector and said rotatable element of the current collector to rotatably support said one end of the cable reel on the fixed housing member.
Claim 3
Dependent Claim
53 words
A current collector as recited in claim 1, an opening in said fixed housing member outside of said fixed structure to provide access to the inside of the current collector, a cover for said fixed housing member opening, means to secure said cover to said fixed housing member outside of said fixed structure.
Claim 4
Dependent Claim
110 words
A current collector as recited in claim 1, one of said current collector rings being secured to said fixed housing member, another of said cUrrent collector rings being secured to said rotatable element, said rotatable element extending through said fixed housing member in to said cable reel, said fixed housing member is of metal material, said rotatable element is of electrically nonconductive material, a metal sleeve on said rotatable element and extending through said fixed housing member, said bearing means being engaged with said fixed housing member and with said metal sleeve of the rotatable element, and said cable reel is secured to said rotatable element on the metal sleeve.
Claim 5
Dependent Claim
71 words
A current collector as recited in claim 3, said rotatable element is formed with a barrel to which said sleeve is secured, a lead conductor in said rotatable element connected to said other current collector ring, a ground conductor in said rotatable element, ground connections in said fixed housing member to said ground conductor, each of said lead conductor and said ground conductor extending through said barrel in an axial direction.
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) | 1974-06-28 | 1974-12-28 | 1975-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-28 | 1978-12-28 | 1979-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-28 | 1982-12-28 | 1983-06-29 | $7700.00 | Window Closed / Lapsed |