US5581333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Original image focusing apparatus having positionally adjustable focus lens
Assignee: Canon Inc
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Filing: 1992-11-06
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Granted: 1996-12-03
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Expires: 2012-11-06
Abstract
Abstract The present invention provides an original image focusing apparatus having a lens for focusing image light from an original on the photosensitive member, a first guide member for guiding a movement of the lens, a carriage on which the lens and the first guide member are mounted, and a second guide member for guiding movement of the carriage. The second guide member can be adjusted in a plurality of positions.
Inventors
- 👤 Yukio Takemura
- 👤 Michiaki Endo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:50
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/04; G03G15/041
Claims Analysis
Total Claims: 28
Claim 1
Independent Claim
69 words
An original image focusing apparatus, comprising: a lens for focusing image light from an original on a photosensitive member; a first guide member for guiding movement of said lens; a carriage on which said lens and said first guide member are mounted; and a second guide member for guiding movement of said carriage; wherein said carriage comprises shift means for rotatingly shifting said carriage around said second guide member.
Claim 2
Dependent Claim
69 words
An original image focusing apparatus, comprising: a lens for focusing image light from an original on a photosensitive member; a first guide member for guiding movement of said lens; a carriage on which said lens and said first guide member are mounted; and a second guide member for guiding movement of said carriage; wherein said carriage comprises shift means for rotatingly shifting said carriage around said second guide member.
Claim 3
Dependent Claim
31 words
An original image focusing apparatus according to claim 1, wherein said shift means comprises a rotary member wherein the position of said rotary member can be varied in an up-and-down direction.
Claim 4
Dependent Claim
16 words
An original image focusing apparatus according to claim 1, wherein said lens comprises a zoom lens.
Claim 5
Dependent Claim
22 words
An original image focusing apparatus according to claim 1, wherein said first guide member is positioned perpendicular to said second guide member.
Claim 6
Dependent Claim
28 words
An original image focusing apparatus according to claim 4, wherein said first guide member is positioned in parallel with a direction of an optical axis of said lens.
Claim 7
Dependent Claim
83 words
An original image focusing apparatus, comprising: a lens for focusing image light from an original on a photosensitive member; a first guide member for guiding movement of said lens; a carriage on which said lens and said first guide member are mounted; a second guide member for guiding movement of said carriage; a support member for supporting said second guide member; and positioning means for positioning said second guide member to said support member among a plurality of positions in an up-and-down direction.
Claim 8
Dependent Claim
83 words
An original image focusing apparatus, comprising: a lens for focusing image light from an original on a photosensitive member; a first guide member for guiding movement of said lens; a carriage on which said lens and said first guide member are mounted; a second guide member for guiding movement of said carriage; a support member for supporting said second guide member; and positioning means for positioning said second guide member to said support member among a plurality of positions in an up-and-down direction.
Claim 9
Dependent Claim
32 words
An original image focusing apparatus according to claim 6, wherein said support member has a fitting hole which extends in the up-and-down direction and into which said second guide member is fitted.
Claim 10
Dependent Claim
16 words
An original image focusing apparatus according to claim 6, wherein said lens comprises a zoom lens.
Claim 11
Dependent Claim
22 words
An original image focusing apparatus according to claim 6, wherein said first guide member is positioned perpendicular to said second guide member.
Claim 12
Dependent Claim
28 words
An original image focusing apparatus according to claim 9, wherein said first guide member is positioned in parallel with a direction of an optical axis of said lens.
Claim 13
Dependent Claim
89 words
An original image focusing apparatus, comprising: a lens for focusing image light from an original on a photosensitive member; a first guide member for guiding movement of said lens; a carriage on which said lens and said first guide member are mounted; a second guide member for guiding movement of said carriage; a support member for supporting said second guide member; and positioning means for positioning said second guide member to said support member among a plurality of positions in a direction of an optical axis of said lens.
Claim 14
Dependent Claim
89 words
An original image focusing apparatus, comprising: a lens for focusing image light from an original on a photosensitive member; a first guide member for guiding movement of said lens; a carriage on which said lens and said first guide member are mounted; a second guide member for guiding movement of said carriage; a support member for supporting said second guide member; and positioning means for positioning said second guide member to said support member among a plurality of positions in a direction of an optical axis of said lens.
Claim 15
Dependent Claim
24 words
An original image focusing apparatus according to claim 11, wherein said support member has a hole extending in the direction of the optical axis.
Claim 16
Dependent Claim
16 words
An original image focusing apparatus according to claim 11, wherein said lens comprises a zoom lens.
Claim 17
Dependent Claim
22 words
An original image focusing apparatus according to claim 11, wherein said first guide member is positioned perpendicular to said second guide member.
Claim 18
Dependent Claim
28 words
An original image focusing apparatus according to claim 14, wherein said first guide member is positioned in parallel with a direction of an optical axis of said lens.
Claim 19
Dependent Claim
86 words
An original image focusing apparatus, comprising: a lens for focusing image light from an original on a photosensitive member; a first guide member for guiding movement of said lens; a second guide member for guiding movement of said lens in a direction perpendicular to said first guide member; and positioning means for positioning said lens around an optical axis, around said second guide member which is perpendicular to the optical axis, and around an axis perpendicular to both said optical axis and said second guide member.
Claim 20
Dependent Claim
86 words
An original image focusing apparatus, comprising: a lens for focusing image light from an original on a photosensitive member; a first guide member for guiding movement of said lens; a second guide member for guiding movement of said lens in a direction perpendicular to said first guide member; and positioning means for positioning said lens around an optical axis, around said second guide member which is perpendicular to the optical axis, and around an axis perpendicular to both said optical axis and said second guide member.
Claim 21
Dependent Claim
36 words
An original image focusing apparatus according to claim 16, further comprising a carriage on which said lens and said first guide member are mounted, and wherein said second guide member guides a movement of said carriage.
Claim 22
Dependent Claim
37 words
An original image focusing apparatus according to claim 17, wherein a height and angular position of said lens is determined by three points comprising one end of said carriage and both ends of said second guide member.
Claim 23
Dependent Claim
25 words
An original image focusing apparatus according to claim 18, wherein said one end of said carriage can be shifted and adjusted in an up-and-down direction.
Claim 24
Dependent Claim
34 words
An original image focusing apparatus according to claim 18, wherein one end of said second guide member can be shifted and adjusted in an up-and-down direction and in the direction of the optical axis.
Claim 25
Dependent Claim
16 words
An original image focusing apparatus according to claim 16, wherein said lens comprises a zoom lens.
Claim 26
Dependent Claim
22 words
An original image focusing apparatus according to claim 16, wherein said first guide member is positioned perpendicular to said second guide member.
Claim 27
Dependent Claim
28 words
An original image focusing apparatus according to claim 22, wherein said first guide member is positioned in parallel with a direction of an optical axis of said lens.
Claim 28
Dependent Claim
41 words
An original image focusing apparatus according to claim 16, wherein said original image focusing apparatus is applied to a copying machine in which an original is set at a side reference and a recording sheet is set at a central reference.
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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) | 1999-12-03 | 2000-06-03 | 2000-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-12-03 | 2004-06-03 | 2004-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-12-03 | 2008-06-03 | 2008-12-03 | $7700.00 | Window Closed / Lapsed |