US4091492A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning device for conveyor system rail
Assignee: Madison Kipp Corp
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Filing: 1977-01-27
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Granted: 1978-05-30
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Expires: 1997-01-27
Abstract
Abstract A cleaning device for a rail over which a conveyor or trolley system runs. The device comprises a pair of biased arm members, each arm member having a plurality of brush assemblies adapted to contact various portions of the conveyor rail.
Inventors
- 👤 Ronald E. Thomson
- 👤 James F. Schmitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:17
CPC Classifications
E; E01; E01H; E01H8/00; E01H8/10
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
217 words
A device for removing foreign particles from a rail member comprising a vertical section having side walls and an integral bottom flange having top and bottom surfaces and upon which a trolley means is adapted to travel, said device comprising: a plate member having two ends; a pair of arm members, each of which is pivotally connected to an end of said plate member; each of said arm members comprising a U-shaped section and a brush mounting holder portion having a lug extending from a wall of said portion; a first pair of brush assemblies including corresponding brushes adapted to contact the sides of said rail member, each of said first brush assemblies being connected to the lug of a corresponding one of said arm members; spring means for biasing said arm members relative to said rail such that said first brush assembly brushes contact said side walls of said rail member, said bottom flange of said rail member being adapted to be disposed in the area of the hollow of each of said U-shaped sections; a second brush assembly mounted to said plate member and having brushes adapted to contact the bottom surface of said rail member bottom flange; and means for connecting said device to a trolley means adapted to travel on said rail member.
Claim 2
Independent Claim
217 words
A device for removing foreign particles from a rail member comprising a vertical section having side walls and an integral bottom flange having top and bottom surfaces and upon which a trolley means is adapted to travel, said device comprising: a plate member having two ends; a pair of arm members, each of which is pivotally connected to an end of said plate member; each of said arm members comprising a U-shaped section and a brush mounting holder portion having a lug extending from a wall of said portion; a first pair of brush assemblies including corresponding brushes adapted to contact the sides of said rail member, each of said first brush assemblies being connected to the lug of a corresponding one of said arm members; spring means for biasing said arm members relative to said rail such that said first brush assembly brushes contact said side walls of said rail member, said bottom flange of said rail member being adapted to be disposed in the area of the hollow of each of said U-shaped sections; a second brush assembly mounted to said plate member and having brushes adapted to contact the bottom surface of said rail member bottom flange; and means for connecting said device to a trolley means adapted to travel on said rail member.
Claim 3
Dependent Claim
53 words
A device in accordance with claim 1 wherein each of said first brush assemblies includes means comprising a spring for simultaneously biasing said first brush assembly brushes against the top surface of said rail member bottom flange and said second brush assembly brushes against the bottom surface of said rail member bottom flange.
Claim 4
Dependent Claim
46 words
A device in accordance with claim 1 wherein said connecting means includes at least one cable attached to said device and is adapted to be connected to a trolley means whereby said device is pulled along a rail when said trolley means moves along said rail.
Claim 5
Dependent Claim
34 words
A device in accordance with claim 3 wherein said cable connecting means is fastened to each of said arm members and each is a looped cable adapted to be connected to a trolley 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) | 1981-05-29 | 1981-11-28 | 1982-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-05-29 | 1985-11-28 | 1986-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-05-29 | 1989-11-28 | 1990-05-30 | $7700.00 | Window Closed / Lapsed |