Abstract: Metering structure includes a rigid strut configured to support an optical element. A rigid shield mounted on the strut has a shield length which is substantially coextensive with the elongated length of the rigid strut such that rigid shield substantially encloses the strut along the entire shield length. The rigid shield has a surface finish which is highly absorptive of electromagnetic radiation in the optical spectrum. One or more thermal insulating material layers comprise a multi-layer insulation (MLI) system disposed between the rigid strut and the rigid shield. Rigid and flexure brackets secure the rigid shield to the strut.

Abstract: Metering structure includes a rigid strut configured to support an optical element. A rigid shield mounted on the strut has a shield length which is substantially coextensive with the elongated length of the rigid strut such that rigid shield substantially encloses the strut along the entire shield length. The rigid shield has a surface finish which is highly absorptive of electromagnetic radiation in the optical spectrum. One or more thermal insulating material layers comprise a multi-layer insulation (MLI) system disposed between the rigid strut and the rigid shield. Rigid and flexure brackets secure the rigid shield to the strut.

Abstract: A power tool includes an output assembly defining a drive axis. A first socket rotatable by the output assembly in a first rotational direction. A second socket receives the first socket and is rotatable by the output assembly in a second rotational direction. A collar is coupled to the output assembly and is movable along the drive axis to releasably engage with the second socket.

Abstract: A power tool includes an ejection mechanism configured to eject an end of a fastener. The ejection mechanism includes an ejection rod that is actuated by a motor of a power tool to move from a first position to a second position to eject the end of the fastener. Following ejection of the end of the fastener, the ejection rod is returned to the first position by a return spring.

Abstract: A power tool, such as a tension control (TC) and/or shear wrench is provided. The power tool includes a powertrain having a motor and an output assembly the motor defines a motor axis of rotation and the output assembly defines a drive axis of rotation, which is oriented parallel to and offset from, or perpendicular to the drive axis of rotation. The motor and the output assembly are operatively coupled by a linkage assembly, which is configured to transfer rotational power from the motor to the output assembly. The output assembly includes a transmission configured to rotate both an inner socket and an outer socket of the output assembly.

Abstract: Metering structure includes a rigid strut configured to support an optical element. A rigid shield mounted on the strut has a shield length which is substantially coextensive with the elongated length of the rigid strut such that rigid shield substantially encloses the strut along the entire shield length. The rigid shield has a surface finish which is highly absorptive of electromagnetic radiation in the optical spectrum. One or more thermal insulating material layers comprise a multi-layer insulation (MLI) system disposed between the rigid strut and the rigid shield. Rigid and flexure brackets secure the rigid shield to the strut.