Patent US4985966A successfully refreshed from Google Patents.
US4985966A
Expired / Lapsed
US
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Apparatus for cleaning a card
Assignee: RIETER MACHINE WORKS Ltd WINTERTHUR SWITZERLAND A CORP OF SWITZERLAND
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Filing: 1989-04-20
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Granted: 1991-01-22
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Expires: 2009-04-20
Abstract
Abstract The cleaning apparatus has an air main mounted on a movable frame which can be brought against the side of a card. The air main includes a plurality of suction orifices which can be brought into registry with deformable air outlets at the side of the card which communicate via air lines with extraction stations of the card.
Inventors
- 👤 Heinz Nitschke
- 👤 Werner Hauschild
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:48
CPC Classifications
D; D01; D01G; D01G15/00; D01G15/76; D01G15/763
Claims Analysis
Total Claims: 33
Claim 1
Independent Claim
77 words
An apparatus for cleaning a card, said apparatus comprising an air main for removable positioning against one side of a card for drawing a flow of air therethrough; a plurality of suction orifices in said air main positioned for sealing abutment against air outlets of the card for drawing air from within the card; and a movable frame having said air main mounted thereon and wheel means on said frame for rolling said frame from the card.
Claim 2
Independent Claim
77 words
An apparatus for cleaning a card, said apparatus comprising an air main for removable positioning against one side of a card for drawing a flow of air therethrough; a plurality of suction orifices in said air main positioned for sealing abutment against air outlets of the card for drawing air from within the card; and a movable frame having said air main mounted thereon and wheel means on said frame for rolling said frame from the card.
Claim 3
Dependent Claim
31 words
An apparatus as set forth in claim 1 which further comprises a movable frame having said air main mounted thereon and wheel means on said frame for rolling on a floor.
Claim 4
Dependent Claim
54 words
An apparatus as set forth in claim 1 wherein said air main has at least one branch in communication with a plurality of said suction orifices, and wherein said branch line has sections of increased cross-sectional flow area in a direction of air flow to maintain at least a substantially constant air flow therethrough.
Claim 5
Dependent Claim
33 words
An apparatus as set forth in claim 3 which further comprises an air inlet at a distal end of said branch for drawing air into said branch, said inlet having an adjustment restrictor.
Claim 6
Dependent Claim
49 words
An apparatus as set forth in claim 3 wherein said air main has a horizontal part secured to and in communication with said branch of a cross-sectional flow area to maintain an air flow therein sufficient to prevent depositing of impurities from the air flow in said horizontal part.
Claim 7
Dependent Claim
28 words
An apparatus as set forth in claim 5 wherein said branch is vertically disposed and said horizontal part has a smaller cross-sectional flow area than said vertical branch.
Claim 8
Dependent Claim
28 words
An apparatus as set forth in claim 3 wherein said branch is vertically disposed with a distal end disposed above a proximal end to convey air downwardly therein.
Claim 9
Dependent Claim
107 words
In combination a card having a plurality of air extraction stations for cleaning of said card; a plurality of air lines extending from said stations to one side of said card; a plurality of air outlets, each outlet being in communication with a respective air line at said side of said card; and an air main pivotally mounted on said card at said side of said card to pivot on a horizontal axis away from side, said main having a plurality of suction orifices, each said orifice being positioned in sealing abutment with a respective air outlet of said card for drawing air from within said card.
Claim 10
Dependent Claim
107 words
In combination a card having a plurality of air extraction stations for cleaning of said card; a plurality of air lines extending from said stations to one side of said card; a plurality of air outlets, each outlet being in communication with a respective air line at said side of said card; and an air main pivotally mounted on said card at said side of said card to pivot on a horizontal axis away from side, said main having a plurality of suction orifices, each said orifice being positioned in sealing abutment with a respective air outlet of said card for drawing air from within said card.
Claim 11
Dependent Claim
30 words
The combination as set forth in claim 8 wherein each air outlet is an elastic connecting piece disposed in deformed relation about a respective suction orifice of said air main.
Claim 12
Dependent Claim
32 words
The combination as set forth in claim 8 wherein each air outlet is a trumpet-shaped part having a flexible edge seal sealingly engaging about a respective suction orifice of said air main.
Claim 13
Dependent Claim
39 words
The combination as set forth in claim 8 wherein said air main has a pair of vertically disposed branches and a common waste line connected to said branches, each said branch having a plurality of said suction orifices therein.
Claim 14
Dependent Claim
35 words
The combination as set forth in claim 8 which further comprises a movable frame having said air main mounted thereon and guide elements on said frame for guiding said frame into registry with said card.
Claim 15
Dependent Claim
20 words
The combination as set forth in claim 12 wherein said frame has wheel means thereon for rolling on a floor.
Claim 16
Dependent Claim
26 words
The combination as set forth in claim 8 which further comprises at least one casing on said card having a plurality of said air outlets therein.
Claim 17
Dependent Claim
35 words
The combination as set forth in claim 18 which further comprises clamping means mounted on said casing for retaining said air frame against said casing with said air outlets and suction orifices in sealed relation.
Claim 18
Dependent Claim
36 words
The combination as set forth in claim 8 wherein said air main has an air inlet at a distal end for selectively drawing air into said air main, and an adjustable restrictor in said air inlet.
Claim 19
Independent Claim
75 words
An apparatus for cleaning a card, said apparatus comprising an air main for removable positioning against one side of a card for drawing a flow of air therethrough; a plurality of suction orifices in said air main positioned for sealing abutment against air outlets of the card for drawing air from within the card; and a movable frame having said air main mounted thereon and wheel means on said frame for rolling on a floor.
Claim 20
Independent Claim
75 words
An apparatus for cleaning a card, said apparatus comprising an air main for removable positioning against one side of a card for drawing a flow of air therethrough; a plurality of suction orifices in said air main positioned for sealing abutment against air outlets of the card for drawing air from within the card; and a movable frame having said air main mounted thereon and wheel means on said frame for rolling on a floor.
Claim 21
Independent Claim
142 words
An apparatus for cleaning a card, said apparatus comprising an air main for removable positioning against one side of a card for drawing a flow of air therethrough; a plurality of suction orifices in said air main positioned for sealing abutment against air outlets of the card for drawing air from within the card; said air main having at least one vertically disposed branch in communication with a plurality of said suction orifices with sections of increased cross-sectional flow area in a direction of air flow to maintain at least a substantially constant air flow therethrough and a horizontal part secured to and in communication with said vertical branch, said horizontal part having a smaller cross-sectional flow areaw than said vertical branch to maintain an air flow therein sufficient to prevent depositing of impurities from the air flow in said horizontal part.
Claim 22
Independent Claim
142 words
An apparatus for cleaning a card, said apparatus comprising an air main for removable positioning against one side of a card for drawing a flow of air therethrough; a plurality of suction orifices in said air main positioned for sealing abutment against air outlets of the card for drawing air from within the card; said air main having at least one vertically disposed branch in communication with a plurality of said suction orifices with sections of increased cross-sectional flow area in a direction of air flow to maintain at least a substantially constant air flow therethrough and a horizontal part secured to and in communication with said vertical branch, said horizontal part having a smaller cross-sectional flow areaw than said vertical branch to maintain an air flow therein sufficient to prevent depositing of impurities from the air flow in said horizontal part.
Claim 23
Independent Claim
116 words
An apparatus for cleaning a card, said apparatus comprising an air main for removable positioning against one side of a card for drawing a flow of air therethrough; a plurality of suction orifices in said air main positioned for sealing abutment against air outlets of the card for drawing air from within the card; and said air main having at least one vertical branch in communication with a plurality of said suction orifices, and wherein said branch line has sections of increased cross-sectional flow area in a direction of air flow to maintain at least a substantially constant air flow therethrough and having a distal end disposed above a proximal end to convey air downwardly therein.
Claim 24
Independent Claim
116 words
An apparatus for cleaning a card, said apparatus comprising an air main for removable positioning against one side of a card for drawing a flow of air therethrough; a plurality of suction orifices in said air main positioned for sealing abutment against air outlets of the card for drawing air from within the card; and said air main having at least one vertical branch in communication with a plurality of said suction orifices, and wherein said branch line has sections of increased cross-sectional flow area in a direction of air flow to maintain at least a substantially constant air flow therethrough and having a distal end disposed above a proximal end to convey air downwardly therein.
Claim 25
Dependent Claim
110 words
In combination a card having a plurality of air extraction stations for cleaning of said card; a plurality of air lines extending from said stations to one side of said card; a plurality of air outlets, each outlet being in communication with a respective air line at said side of said card and being a trumpet-shaped part having a flexible edge seal; an air main removably positioned at said side of said card, said main having a plurality of suction orifices, each said orifice being positioned in sealing abutment with a said flexible edge seal of a respective air outlet of said card for drawing air from within said card.
Claim 26
Dependent Claim
110 words
In combination a card having a plurality of air extraction stations for cleaning of said card; a plurality of air lines extending from said stations to one side of said card; a plurality of air outlets, each outlet being in communication with a respective air line at said side of said card and being a trumpet-shaped part having a flexible edge seal; an air main removably positioned at said side of said card, said main having a plurality of suction orifices, each said orifice being positioned in sealing abutment with a said flexible edge seal of a respective air outlet of said card for drawing air from within said card.
Claim 27
Dependent Claim
125 words
In combination a card having a plurality of air extraction stations for cleaning of said card; a plurality of air lines extending from said stations to one side of said card; a plurality of air outlets, each outlet being in communication with a respective air line at said side of said card; and an air main removably positioned at said side of said card, said main having a plurality of suction orifices, each said orifice being positioned in sealing abutment with a respective air outlet of said card for drawing air from within said card, said air main having a pair of vertically disposed branches and a common waste line connected to said branches, each said branch having a plurality of said suction orifices therein.
Claim 28
Dependent Claim
125 words
In combination a card having a plurality of air extraction stations for cleaning of said card; a plurality of air lines extending from said stations to one side of said card; a plurality of air outlets, each outlet being in communication with a respective air line at said side of said card; and an air main removably positioned at said side of said card, said main having a plurality of suction orifices, each said orifice being positioned in sealing abutment with a respective air outlet of said card for drawing air from within said card, said air main having a pair of vertically disposed branches and a common waste line connected to said branches, each said branch having a plurality of said suction orifices therein.
Claim 29
Dependent Claim
27 words
The combination as set forth in claim 21 wherein each branch has a stepped configuration to define cross-sectional flow areas to maintain a constant air flow therein.
Claim 30
Dependent Claim
39 words
The combination as set forth in claim 22 wherein said air main has a horizontal portion between each branch and said waste line of a cross-sectional flow area to prevent depositing of impurities from the air flow passing therethrough.
Claim 31
Dependent Claim
34 words
The combination as set forth in claim 21 wherein said air main has a horizontal portion between a lower end of each branch and said waste line whereby air flows downwardly in each branch.
Claim 32
Dependent Claim
119 words
In combination a card having a plurality of air extraction stations for cleaning of said card; a plurality of air lines extending from said stations to one side of said card; a plurality of air outlets, each outlet being in communication with a respective air line at said side of said card; an air main removably positioned at said side of said card, said main having a plurality of suction orifices, each said orifice being positioned in sealing abutment with a respective air outlet of said card for drawing air from within said card; and a movable frame having said air main mounted thereon and guide elements on said frame for guiding said frame into registry with said card.
Claim 33
Dependent Claim
119 words
In combination a card having a plurality of air extraction stations for cleaning of said card; a plurality of air lines extending from said stations to one side of said card; a plurality of air outlets, each outlet being in communication with a respective air line at said side of said card; an air main removably positioned at said side of said card, said main having a plurality of suction orifices, each said orifice being positioned in sealing abutment with a respective air outlet of said card for drawing air from within said card; and a movable frame having said air main mounted thereon and guide elements on said frame for guiding said frame into registry with said card.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-01-21 | 1994-07-23 | 1995-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-01-21 | 1998-07-23 | 1999-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-01-21 | 2002-07-23 | 2003-01-22 | $7700.00 | Window Closed / Lapsed |