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US5003347A Expired / Lapsed US ⏱️ 0.0 years remaining

Opening-closing mechanism for automatic document feeder

Assignee: Kyocera Mita Industrial Co Ltd
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Filing: 1989-11-16
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Granted: 1991-03-26
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Expires: 2009-11-16
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Abstract

Abstract A mechanism for opening and closing an automatic document feeder comprising a body-side support portion having a post removably insertable into a mount cavity in the body of an apparatus, a feeder-side support portion biased upward by a coiled spring, a pivot pivotally movably supporting the feeder-side support portion on the body-side support portion, positioning means for determining the distance between the pivot and the body, and adjusting means for varying the distance determined by the positioning means.

Inventors

  • 👤 Kiyoshige Kameda

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 15:26
CPC Classifications
B; B41; B41L; B41L21/00; G; G03; G03G; G03G15/00; G03G15/60; G03G15/605; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/62; G03B27/6207; G03B27/6221; G03B27/6228; G03G15/04

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 174 words
A mechanism for opening and closing an automatic document feeder comprising: support means including: a body-side support portion having a post removably insertable into a mount cavity in the body of an apparatus, a feeder-side support portion for holding the automatic document feeder; a pivot member provided on the body-side support portion for pivotally movably supporting the feeder-side support portion; and a spring member provided between the body-side support portion and the feeder-side support portion for biasing the feeder-side support portion upward; regulation means for regulating the distance between the pivot member of the body-side portion and the body of the apparatus, the regulation means including: a movable support member movably provided between the body-side support portion and the body of the apparatus for supporting the support means, and an adjusting member for adjusting the position of the movable support member; whereby the distance between the pivot member of the body-side supporting portion and the body of the apparatus is regulated by adjusting the portion of the movable support member by the adjusting member.
Claim 2
Dependent Claim 174 words
A mechanism for opening and closing an automatic document feeder comprising: support means including: a body-side support portion having a post removably insertable into a mount cavity in the body of an apparatus, a feeder-side support portion for holding the automatic document feeder; a pivot member provided on the body-side support portion for pivotally movably supporting the feeder-side support portion; and a spring member provided between the body-side support portion and the feeder-side support portion for biasing the feeder-side support portion upward; regulation means for regulating the distance between the pivot member of the body-side portion and the body of the apparatus, the regulation means including: a movable support member movably provided between the body-side support portion and the body of the apparatus for supporting the support means, and an adjusting member for adjusting the position of the movable support member; whereby the distance between the pivot member of the body-side supporting portion and the body of the apparatus is regulated by adjusting the portion of the movable support member by the adjusting member.
Claim 3
Dependent Claim 34 words
The mechanism of claim 1 further comprising an elastic member interposed between the post and the wall of the body defining the mount cavity for pressing the post into contact with the cavity-defining wall.
Claim 4
Dependent Claim 18 words
The mechanism of claim 1 wherein the movable support member is pivotably attached to the body-side support portion.
Claim 5
Dependent Claim 87 words
The mechanism of claim 3 wherein the movable support member has an opening, and the adjusting member includes a stopper member formed with a flange portion having a width greater than the width of the opening, and a stem portion having a width smaller than the width of the opening, the stem portion extending through the opening and rotatably attached to the body-side support portion, whereby the stopper member is rotated so as to stop the movable support member at a desired position with the flange portion.
Claim 6
Dependent Claim 32 words
The mechanism of claim 2, wherein the elastic member is a plate spring, and the post has a U-shaped cross section, a part of the plate spring is placed in the post.

References Cited (Backward Citations)

US1962031A Cited
US2339202A Cited
US3601335A Cited
UST920009I4 Cited
US4853750A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1994-03-25 1994-09-24 1995-03-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1998-03-25 1998-09-24 1999-03-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2002-03-25 2002-09-24 2003-03-26 $7700.00 Window Closed / Lapsed

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