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US4569586A Expired / Lapsed US ⏱️ 0.0 years remaining

Paper supply system of copying machine

Assignee: Kyocera Mita Industrial Co Ltd
•
Filing: 1984-03-14
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Granted: 1986-02-11
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Expires: 2004-03-14
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Abstract

Abstract A copying machine paper supply system includes a space for housing paper supply cassettes and at least two paper supply rollers and cassette-holding members installed in such space. The paper supply rollers and cassette-holding members are arranged in a vertically staggered manner with a lower one arranged inwardly, in the direction of insertion of a paper supply cassette than an upper one, and with each cassette supported only at opposite sides thereof.

Inventors

  • 👤 Shigeo Koyama

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 18:15
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/65; G03G15/6502; B; B65; B65H; B65H3/00; B65H3/44

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 178 words
In a copying machine paper supply system of the type wherein a plurality of cassettes each containing a supply of copying paper sheets are insertable into and removable from a space in a housing of the copying machine and including means for supporting the cassettes within said space and a plurality of paper supply rollers for withdrawing and feeding copying paper sheets from respective of the cassettes, the improvement wherein: said supporting means comprises a plurality of separate cassette holding members for supporting respective cassettes only at opposite sides thereof without contacting portions of the cassettes between the opposite sides thereof; each said cassette holding member comprising laterally spaced guide and support members for guiding the respective cassette during insertion into and removal from the space and for supporting opposite sides only of the cassette; and each said cassette holding member and the respective said paper supply roller, except the uppermost thereof, being positioned at a location below and staggered inwardly of the housing with respect to the next adjacent cassette holding member and respective paper supply roller.
Claim 2
Dependent Claim 178 words
In a copying machine paper supply system of the type wherein a plurality of cassettes each containing a supply of copying paper sheets are insertable into and removable from a space in a housing of the copying machine and including means for supporting the cassettes within said space and a plurality of paper supply rollers for withdrawing and feeding copying paper sheets from respective of the cassettes, the improvement wherein: said supporting means comprises a plurality of separate cassette holding members for supporting respective cassettes only at opposite sides thereof without contacting portions of the cassettes between the opposite sides thereof; each said cassette holding member comprising laterally spaced guide and support members for guiding the respective cassette during insertion into and removal from the space and for supporting opposite sides only of the cassette; and each said cassette holding member and the respective said paper supply roller, except the uppermost thereof, being positioned at a location below and staggered inwardly of the housing with respect to the next adjacent cassette holding member and respective paper supply roller.
Claim 3
Dependent Claim 29 words
The improvement claimed in claim 1, wherein each said guide and support member comprises lower and upper members for contacting lower and upper portions, respectively, of the respective cassette.
Claim 4
Dependent Claim 16 words
The improvement claimed in claim 2, wherein each said lower member has an approximately L-shaped configuration.
Claim 5
Dependent Claim 22 words
The improvement claimed in claim 2, wherein each said lower member has an abutment for contacting a stop on the respective cassette.
Claim 6
Dependent Claim 36 words
The improvement claimed in claim 2, wherein at least one said cassette has at a lower portion of each side thereof an inwardly extending step defining a downwardly facing surface contacting a respective said lower member.
Claim 7
Dependent Claim 41 words
The improvement claimed in claim 1, wherein said holding members are positioned such that the cassettes supported thereby are inclined to the horizontal, with each cassette except the lowermost cassette being inclined at a greater slope than the next lower cassette.

References Cited (Backward Citations)

US4110030A Cited
US4187024A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1989-02-10 1989-08-12 1990-02-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1993-02-10 1993-08-12 1994-02-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1997-02-10 1997-08-12 1998-02-11 $7700.00 Window Closed / Lapsed

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