Environmentally sealed camera housing
First Claim
Patent Images
1. A pressurized camera housing which permits safely opening the pressurized housing comprising:
- a leak tight casing with at least two separated closable openings;
an internal structure which fits within the casing and to which are attached closure means for each of at least two separated openings, the closure means being located on the internal structure with a fixed separation so that they move together and act to simultaneously close and open the openings with which each closure means is associated;
sealing means to seal the closable openings; and
means to pressurize the housing with a gas when the closable openings are sealed.
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Abstract
A sealed and pressurized housing for a TV camera. The camera is mounted on a cradle which includes the sealing mechanism for both ends of the housing. Both ends are sealed with conventional "O" ring seals and end plates which are secured to the cradle. Since pressure is always equalized against both end plates and they are mechanically connected, when the housing is opened, no parts can be dangerously propelled upon release of the pressure. The cradle is also mounted so that, despite the internal pressure, it can be rotated relative to the fixed outer casing in order to adjust the angle of the camera to the horizontal.
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Citations
8 Claims
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1. A pressurized camera housing which permits safely opening the pressurized housing comprising:
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a leak tight casing with at least two separated closable openings; an internal structure which fits within the casing and to which are attached closure means for each of at least two separated openings, the closure means being located on the internal structure with a fixed separation so that they move together and act to simultaneously close and open the openings with which each closure means is associated; sealing means to seal the closable openings; and means to pressurize the housing with a gas when the closable openings are sealed. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A camera housing comprising:
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a leak tight casing with at least two separated closable openings; and an internal structure which fits within the casing and to which are attached closure means for each of at least two separated openings, the closure means being located on the internal structure so that they each act to close and open the openings with which each closure means is associated;
wherein the internal structure is constructed so that it can be rotated relative to the casing while the closable openings are sealed and while maintaining the sealed condition.
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Specification