Patent US5003347A successfully refreshed from Google Patents.
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
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 15:39
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)
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 |