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US4368561A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for stripping revolving card flats

Assignee: Truetzschler GmbH and Co KG
•
Filing: 1980-06-30
•
Granted: 1983-01-18
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Expires: 2000-06-30
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Abstract

Abstract A carding machine has a main cylinder, revolving flats provided with clothing and moving along a circumferential portion of the main cylinder, a cleaning apparatus for cleaning the revolving flats and a suction device disposed underneath the apparatus for removing waste generated during operation of the cleaning apparatus. The cleaning apparatus comprises a flat stripping brush mounted for rotation adjacent the traveling path of the flats for cooperating with the clothing of the flats to remove waste therefrom, a brush cleaning roll mounted for rotation at a small distance from the flat stripping brush to continuously remove waste from the flat stripping brush and a waste collecting bin for catching waste thrown by the brush cleaning roll and for guiding the waste to the suction device.

Inventors

  • 👤 Hermann Trutzschler

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 02:30
CPC Classifications
D; D01; D01G; D01G15/00; D01G15/76; D01G15/78

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 178 words
In a carding machine including a main cylinder, revolving flats provided with clothing and moving along a circumferential portion of the main cylinder, a cleaning apparatus for cleaning the revolving flats and a suction device disposed underneath said apparatus for removing waste generated during operation of the cleaning apparatus; the improvement in said cleaning apparatus comprising (a) a flat stripping brush mounted for rotation adjacent the traveling path of said flats for cooperating with the clothing of the flats to remove waste therefrom; said flat stripping brush having a brush assembly; (b) a brush cleaning roll mounted for rotation and having a brush assembly arranged at a small distance from the brush assembly of said flat stripping brush to continuously remove waste from said brush assembly of said flat stripping brush; (c) a waste collecting means for catching waste thrown by said brush cleaning roll and for guiding the waste to said suction device; and (d) a stripping edge forming a part of said waste collecting means and cooperating with the brush assembly of said brush cleaning roll.
Claim 2
Dependent Claim 178 words
In a carding machine including a main cylinder, revolving flats provided with clothing and moving along a circumferential portion of the main cylinder, a cleaning apparatus for cleaning the revolving flats and a suction device disposed underneath said apparatus for removing waste generated during operation of the cleaning apparatus; the improvement in said cleaning apparatus comprising (a) a flat stripping brush mounted for rotation adjacent the traveling path of said flats for cooperating with the clothing of the flats to remove waste therefrom; said flat stripping brush having a brush assembly; (b) a brush cleaning roll mounted for rotation and having a brush assembly arranged at a small distance from the brush assembly of said flat stripping brush to continuously remove waste from said brush assembly of said flat stripping brush; (c) a waste collecting means for catching waste thrown by said brush cleaning roll and for guiding the waste to said suction device; and (d) a stripping edge forming a part of said waste collecting means and cooperating with the brush assembly of said brush cleaning roll.
Claim 3
Dependent Claim 22 words
A carding machine as defined in claim 1, wherein the brush assembly of said flat stripping brush is formed of pick-shaped elements.
Claim 4
Dependent Claim 22 words
A carding machine as defined in claim 1, wherein the brush assembly of said brush cleaning roll is formed of long bristles.
Claim 5
Dependent Claim 28 words
A carding machine as defined in claim 1, wherein said waste collecting means includes a hollowed-out part for catching and guiding waste thrown by said brush cleaning roll.
Claim 6
Dependent Claim 36 words
A carding machine as defined in claim 1, further comprising a baffle guard disposed between the flats and the brush cleaning roll for preventing waste from being thrown by the brush cleaning roll into the flats.

References Cited (Backward Citations)

SU237030A1 Cited
SU175851A1 Cited
US11649A Cited
FR467159A Cited
GB318185A Cited
GB346186A Cited
GB714640A Cited
GB995488A Cited
US3376610A Cited
US3419940A Cited
US3604061A Cited
DE1955775A1 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1986-01-17 1986-07-19 1987-01-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1990-01-17 1990-07-19 1991-01-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1994-01-17 1994-07-19 1995-01-18 $7700.00 Window Closed / Lapsed

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