Patent ID: 9323130
Filing Date: 2016-04-26
CPC Classification: G01J,G03B

Claim Text:
1. A shutter for an imaging device, the shutter comprising: a first planar member and a second planar member forming a sleeve having a cavity and at least one sidewall adjacent the cavity; a first shutter member having a first end disposed in the cavity and slidingly disposed along the at least one sidewall and a second shutter member having a second end disposed in the cavity and slidingly disposed along the at least one sidewall, the first shutter member configured to be selectively advanced towards and retracted from the second shutter member so as to define a variable aperture therebetween, wherein the first shutter member and the second shutter member are configured to maintain thermal contact with the at least one sidewall in multiple positions; at least one positioning member configured to selectively position the first shutter member and the second shutter member within the cavity; and at least one drive member configured to drive the at least one positioning member, wherein the at least one drive member is thermally isolated from the first shutter member and the second shutter member except when the at least one drive member drives the at least one positioning member.