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US5406413A Expired / Lapsed US ⏱️ 0.0 years remaining

Lens cover apparatus of optical instrument

Assignee: Pentax Corp
•
Filing: 1992-07-29
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Granted: 1995-04-11
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Expires: 2012-07-29
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Abstract

Abstract A lens cover apparatus of an optical instrument having a lens including a lens cover for covering the lens of the optical instrument, and a lens cleaning member provided on the lens cover opposite the lens.

Inventors

  • 👤 Makoto Mogamiya

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 17:33
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/02; G02; G02B; G02B27/00; G02B27/0006; G03B11/00; G03B11/04; G03B11/041; G03B11/043

Claims Analysis

Total Claims: 25
Claim 1
Independent Claim 125 words
A lens cover apparatus of an optical instrument comprising: an optical instrument having a lens; a lens cover for covering the lens of the optical instrument; a lens cleaning member provided on a surface of the lens cover opposite the lens, wherein said lens cleaning member is supported on said lens cover to be linearly movable, with respect to said lens cover, into and out of contact with the lens and said lens cleaning members disposed to a position so as to be out of contact with the lens, wherein said lens cleaning member is rotatable with respect to said lens cover; and biasing means for continuously biasing the lens cleaning member away from the 1, lens when the lens cover is opposite the lens.
Claim 2
Dependent Claim 125 words
A lens cover apparatus of an optical instrument comprising: an optical instrument having a lens; a lens cover for covering the lens of the optical instrument; a lens cleaning member provided on a surface of the lens cover opposite the lens, wherein said lens cleaning member is supported on said lens cover to be linearly movable, with respect to said lens cover, into and out of contact with the lens and said lens cleaning members disposed to a position so as to be out of contact with the lens, wherein said lens cleaning member is rotatable with respect to said lens cover; and biasing means for continuously biasing the lens cleaning member away from the 1, lens when the lens cover is opposite the lens.
Claim 3
Dependent Claim 19 words
A lens cover apparatus according to claim 1, wherein said lens cover is detachably mounted to the optical instrument.
Claim 4
Dependent Claim 39 words
A lens cover apparatus according to claim 1, wherein said lens having an optical axis, and wherein said lens cover is supported on the optical instrument to slide in a direction perpendicular to the optical axis of the lens.
Claim 5
Dependent Claim 117 words
A lens cover apparatus of an optical instrument comprising: an optical instrument having a lens; a lens cover for covering the lens of the optical instrument; and, a lens cleaning member provided on a surface of the lens cover opposite the lens, wherein said lens cleaning member is supported on said lens cover to be linearly movable, with respect to said lens cover, in to and out of contact with the lens and said lens cleaning members disposed to a position so as to be out of contact with the lens, wherein said lens cleaning member is rotatable with respect to said lens cover; and an actuator on the lens cover for rotating the lens cleaning member.
Claim 6
Dependent Claim 117 words
A lens cover apparatus of an optical instrument comprising: an optical instrument having a lens; a lens cover for covering the lens of the optical instrument; and, a lens cleaning member provided on a surface of the lens cover opposite the lens, wherein said lens cleaning member is supported on said lens cover to be linearly movable, with respect to said lens cover, in to and out of contact with the lens and said lens cleaning members disposed to a position so as to be out of contact with the lens, wherein said lens cleaning member is rotatable with respect to said lens cover; and an actuator on the lens cover for rotating the lens cleaning member.
Claim 7
Dependent Claim 94 words
A lens cover apparatus of an optical instrument comprising: an optical instrument having a lens; a lens cover for covering the lens of the optical instrument; a lens cleaning member extensibly provided on a surface of said lens cover which is nearer said lens during covering, wherein said lens cleaning member is supported on said lens cover to be linearly movable, with respect to said lens cover, into and out of contact with the lens; and a biasing element which urges said lens cleaning member to a position out of contact with the lens.
Claim 8
Dependent Claim 94 words
A lens cover apparatus of an optical instrument comprising: an optical instrument having a lens; a lens cover for covering the lens of the optical instrument; a lens cleaning member extensibly provided on a surface of said lens cover which is nearer said lens during covering, wherein said lens cleaning member is supported on said lens cover to be linearly movable, with respect to said lens cover, into and out of contact with the lens; and a biasing element which urges said lens cleaning member to a position out of contact with the lens.
Claim 9
Dependent Claim 24 words
A lens cover apparatus according to claim 5, further comprising an element for rotating said lens cleaning member with respect to said lens cover.
Claim 10
Dependent Claim 36 words
A lens cover apparatus according to claim 6, wherein said element for rotating said lens cleaning member with respect to said lens cover also linearly moves said lens cleaning member with respect to said lens cover.
Claim 11
Dependent Claim 19 words
A lens cover apparatus according to claim 5, wherein said lens cover is detachably mounted to the optical instrument.
Claim 12
Dependent Claim 31 words
A lens cover apparatus according to claim 5, wherein said lens cover is supported on the optical instrument to slide in a direction perpendicular to an optical axis of the lens.
Claim 13
Dependent Claim 111 words
A lens cover apparatus of an optical instrument comprising; an optical instrument having a lens; a lens cover for covering the lens of the optical instrument; a lens cleaning member extensibly provided on a surface of said lens cover which is nearer said lens during covering, wherein said lens cleaning member is supported on said lens cover to be linearly movable, with respect to said lens cover, into and out of contact with the lens; and an actuator on said lens cover for linearly moving said lens cleaning member into Contact with the lens, wherein actuation of said actuator moves said lens cleaning member linearly with respect to said lens cover.
Claim 14
Dependent Claim 111 words
A lens cover apparatus of an optical instrument comprising; an optical instrument having a lens; a lens cover for covering the lens of the optical instrument; a lens cleaning member extensibly provided on a surface of said lens cover which is nearer said lens during covering, wherein said lens cleaning member is supported on said lens cover to be linearly movable, with respect to said lens cover, into and out of contact with the lens; and an actuator on said lens cover for linearly moving said lens cleaning member into Contact with the lens, wherein actuation of said actuator moves said lens cleaning member linearly with respect to said lens cover.
Claim 15
Dependent Claim 52 words
A lens cover apparatus according to claim 1, wherein said actuator comprise an operation plate supported on a surface of said lens cover opposite said surface upon which said lens cleaning member is supported, wherein depression of said operation plate linearly moves said lens cleaning member with respect to said lens cover.
Claim 16
Dependent Claim 25 words
A lens cover apparatus according to claim 11, wherein said operation plates rotatable to rotate said lens cleaning member with respect to said lens cover.
Claim 17
Dependent Claim 117 words
A lens cover apparatus of an optical instrument comprising: an optical instrument having a lens; a lens cover for covering the lens of the optical instrument; a lens cleaning m ember provided on a surface of the lens cover opposite the lens, wherein said lens cleaning member is supported on said lens cover to be rotatable with respect to said lens cover, further wherein said lens cleaning member is supported on an inner surface of said lens lover to be linearly movable, with respect to said lens cover, into and out of contact with the lens; and a biasing element for biasing said lens cleaning member away from the lens when said lens cover covers the lens.
Claim 18
Dependent Claim 117 words
A lens cover apparatus of an optical instrument comprising: an optical instrument having a lens; a lens cover for covering the lens of the optical instrument; a lens cleaning m ember provided on a surface of the lens cover opposite the lens, wherein said lens cleaning member is supported on said lens cover to be rotatable with respect to said lens cover, further wherein said lens cleaning member is supported on an inner surface of said lens lover to be linearly movable, with respect to said lens cover, into and out of contact with the lens; and a biasing element for biasing said lens cleaning member away from the lens when said lens cover covers the lens.
Claim 19
Dependent Claim 90 words
A lens cover apparatus of an optical instrument comprising: an optical instrument having a lens; a lens cover for covering the lens of the optical instrument; a lens cleaning member provided on a surface of the lens cover opposite the lens, wherein said lens cleaning member is supported on said lens cover to be rotatable with respect to said lens cover; and an actuator on said lens cover for rotating said lens cleaning member, wherein rotation of said actuator rotates said lens cleaning member with respect to said lens cover.
Claim 20
Dependent Claim 90 words
A lens cover apparatus of an optical instrument comprising: an optical instrument having a lens; a lens cover for covering the lens of the optical instrument; a lens cleaning member provided on a surface of the lens cover opposite the lens, wherein said lens cleaning member is supported on said lens cover to be rotatable with respect to said lens cover; and an actuator on said lens cover for rotating said lens cleaning member, wherein rotation of said actuator rotates said lens cleaning member with respect to said lens cover.
Claim 21
Dependent Claim 19 words
A lens cover apparatus according to claim 14, wherein said lens cover is detachably mounted to the optical instrument.
Claim 22
Dependent Claim 31 words
A lens cover apparatus according to claim 14, wherein said lens cover is supported on the optical instrument to slide in a direction perpendicular to an optical axis of the lens.
Claim 23
Dependent Claim 132 words
A lens cover apparatus of an optical instrument comprising: an optical instrument having a lens; a lens cover for covering the lens of the optical instrument; a lens cleaning member provided on a surface of the lens cover opposite the lens, wherein said lens cleaning member is supported on said lens cover to be rotatable with respect to said lens cover, further wherein said lens cleaning member is supported on an inner surface of said lens cover to be linearly movable, with respect to said lens cover, into and out of contact with the lens; and an actuator on said lens cover for linearly moving said lens cleaning member with respect to said lens cover, wherein depression of said actuator linearly moves said lens cleaning member with respect to said lens cover.
Claim 24
Dependent Claim 132 words
A lens cover apparatus of an optical instrument comprising: an optical instrument having a lens; a lens cover for covering the lens of the optical instrument; a lens cleaning member provided on a surface of the lens cover opposite the lens, wherein said lens cleaning member is supported on said lens cover to be rotatable with respect to said lens cover, further wherein said lens cleaning member is supported on an inner surface of said lens cover to be linearly movable, with respect to said lens cover, into and out of contact with the lens; and an actuator on said lens cover for linearly moving said lens cleaning member with respect to said lens cover, wherein depression of said actuator linearly moves said lens cleaning member with respect to said lens cover.
Claim 25
Dependent Claim 24 words
A lens cover apparatus according to claim 17, wherein said actuator is capable of rotating said lens cleaning member with respect to said cover.

References Cited (Backward Citations)

DE256573C Cited
US2583228A Cited
GB1138451A Cited
US4363545A Cited
US4522478A Cited
JPH02310548A Cited
JPH03235930A Cited

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