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Lens cover apparatus of optical instrument    
United States Patent5406413   
Link to this pagehttp://www.wikipatents.com/5406413.html
Inventor(s)Mogamiya; Makoto (Tokyo, JP)
AbstractA 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.
   














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Drawing from US Patent 5406413
Lens cover apparatus of optical instrument - US Patent 5406413 Drawing
Lens cover apparatus of optical instrument
Inventor     Mogamiya; Makoto (Tokyo, JP)
Owner/Assignee     Asahi Kogaku Kogyo Kabushiki Kaisha (Tokyo, JP)
Patent assignment
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Publication Date     April 11, 1995
Application Number     07/921,099
PAIR File History     Application Data   Transaction History
Image File Wrapper   Patent Term   Fees
Litigation
Filing Date     July 29, 1992
US Classification     359/511 359/507 396/535
Int'l Classification     G03B 011/04 G03B 017/02
Examiner     Ben; Loha
Assistant Examiner     Nguyen; Thong
Attorney/Law Firm     Sandler, Greenblum & Bernstein
Address
Parent Case    
Priority Data     Jul 30, 1991[JP]3-214774 Jul 30, 1991[JP]3-214775
USPTO Field of Search     359/507 359/508 359/509 359/510 359/511 15/250.001 15/2 15/3 15/4 15/5 15/6 15/7 15/8 15/9 15/10 15/11 15/12 15/13 15/14 15/15 15/16 15/17 15/18 15/19 15/20 15/21 15/22 15/23 15/24 15/25 15/26 15/27 15/28 15/29 15/30 15/31 15/32 15/33 15/34 15/35 15/36 15/37 15/38 15/39 15/40 15/41 15/42 15/43 15/44 15/45 15/46 15/47 15/48 15/49 15/50 15/51 15/52 15/53 15/54 15/55 15/56 15/57 15/58 15/59 15/60 15/61 15/62 15/63 15/64 15/65 15/66 15/67 15/68 15/69 15/70 15/71 15/72 15/73 15/74 15/75 15/76 15/77 15/78 15/79 15/80 15/81 15/82 15/83 15/84 15/85 15/86 15/87 15/88 15/89 15/90 15/91 15/92 15/93 15/94 15/95 15/96 15/97 15/98 15/99 15/100 15/101 15/102 15/103 15/104 15/105 15/106 15/107 15/108 15/109 15/110 15/111 15/112 15/113 15/114 15/115 15/116 15/117 15/118 15/119 15/120 15/121 15/122 15/123 15/124 15/125 15/126 15/127 15/128 15/129 15/130 15/131 15/132 15/133 15/134 15/135 15/136 15/137 15/138 15/139 15/140 15/141 15/142 15/143 15/144 15/145 15/146 15/147 15/148 15/149 15/150 15/151 15/152 15/153 15/154 15/155 15/156 15/157 15/158 15/159 15/160 15/161 15/162 15/163 15/164 15/165 15/166 15/167 15/168 15/169 15/170 15/171 15/172 15/173 15/174 15/175 15/176 15/177 15/178 15/179 15/180 15/181 15/182 15/183 15/184 15/185 15/186 15/187 15/188 15/189 15/190 15/191 15/192 15/193 15/194 15/195 15/196 15/197 15/198 15/199 15/200 15/201 15/202 15/203 15/204 15/205 15/206 15/207 15/208 15/209 15/210 15/211 15/212 15/213 15/214 15/215 15/216 15/217 15/218 15/219 15/220 15/221 15/222 15/223 15/224 15/225 15/226 15/227 15/228 15/229 15/230 15/231 15/232 15/233 15/234 15/235 15/236 15/237 15/238 15/239 15/240 15/241 15/242 15/243 15/244 15/245 15/246 15/247 15/248 15/249 15/250.003 15/250.001 15/2 15/3 15/4 15/5 15/6 15/7 15/8 15/9 15/10 15/11 15/12 15/13 15/14 15/15 15/16 15/17 15/18 15/19 15/20 15/21 15/22 15/23 15/24 15/25 15/26 15/27 15/28 15/29 15/30 15/31 15/32 15/33 15/34 15/35 15/36 15/37 15/38 15/39 15/40 15/41 15/42 15/43 15/44 15/45 15/46 15/47 15/48 15/49 15/50 15/51 15/52 15/53 15/54 15/55 15/56 15/57 15/58 15/59 15/60 15/61 15/62 15/63 15/64 15/65 15/66 15/67 15/68 15/69 15/70 15/71 15/72 15/73 15/74 15/75 15/76 15/77 15/78 15/79 15/80 15/81 15/82 15/83 15/84 15/85 15/86 15/87 15/88 15/89 15/90 15/91 15/92 15/93 15/94 15/95 15/96 15/97 15/98 15/99 15/100 15/101 15/102 15/103 15/104 15/105 15/106 15/107 15/108 15/109 15/110 15/111 15/112 15/113 15/114 15/115 15/116 15/117 15/118 15/119 15/120 15/121 15/122 15/123 15/124 15/125 15/126 15/127 15/128 15/129 15/130 15/131 15/132 15/133 15/134 15/135 15/136 15/137 15/138 15/139 15/140 15/141 15/142 15/143 15/144 15/145 15/146 15/147 15/148 15/149 15/150 15/151 15/152 15/153 15/154 15/155 15/156 15/157 15/158 15/159 15/160 15/161 15/162 15/163 15/164 15/165 15/166 15/167 15/168 15/169 15/170 15/171 15/172 15/173 15/174 15/175 15/176 15/177 15/178 15/179 15/180 15/181 15/182 15/183 15/184 15/185 15/186 15/187 15/188 15/189 15/190 15/191 15/192 15/193 15/194 15/195 15/196 15/197 15/198 15/199 15/200 15/201 15/202 15/203 15/204 15/205 15/206 15/207 15/208 15/209 15/210 15/211 15/212 15/213 15/214 15/215 15/216 15/217 15/218 15/219 15/220 15/221 15/222 15/223 15/224 15/225 15/226 15/227 15/228 15/229 15/230 15/231 15/232 15/233 15/234 15/235 15/236 15/237 15/238 15/239 15/240 15/241 15/242 15/243 15/244 15/245 15/246 15/247 15/248 15/249 15/250.09 354/286 354/288
Patent Tags     lens cover optical instrument
   
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 Technical Review Submit all comments and votes
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I claim:

1. 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.

2. A lens cover apparatus according to claim 1, wherein said lens cover is detachably mounted to the optical instrument.

3. 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.

4. 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.

5. 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.

6. A lens cover apparatus according to claim 5, further comprising an element for rotating said lens cleaning member with respect to said lens cover.

7. 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.

8. A lens cover apparatus according to claim 5, wherein said lens cover is detachably mounted to the optical instrument.

9. 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.

10. 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.

11. 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.

12. 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.

13. 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.

14. 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.

15. A lens cover apparatus according to claim 14, wherein said lens cover is detachably mounted to the optical instrument.

16. 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.

17. 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.

18. A lens cover apparatus according to claim 17, wherein said actuator is capable of rotating said lens cleaning member with respect to said cover.
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BACKGROUND OF THE INVENTION

1. Field of the Invention

The present invention relates to a lens cover apparatus of an optical instrument. More precisely, it relates to a lens cover apparatus having a lens cleaning function.

2. Description of Related Art

As the front surface of a lens in an optical instrument, such as a still camera, movie camera, telescope or binocular telescope is exposed when the instrument is in use, foreign matter, such as dust, water, or fingerprints are likely to come into contact with the lens. To remove the dust, etc. from the lens surface, a photographer typically c