Apparatus to enable rotation of a compressor, the apparatus comprising: a guide for insertion through a fan of a gas turbine engine to the compressor, the guide including: a surface arranged to guide a drive assembly through an interior portion of the gas turbine engine to the compressor; and a first fastener arranged to fasten the guide to the gas turbine engine.

A drive assembly utilized in combination with slide out includes a beam attached to a beam guide in an arcuate support rail that is attached to the slide out. The beam may have a first row of teeth and a second row of teeth thereon, where the first row of teeth and the second row of teeth extend parallel to each other on opposite sides of the beam. In addition, the teeth in the first row of teeth are offset relative to the teeth in the second row of teeth. The drive assembly further includes a drive gear having a first gear wheel that engages the first row of teeth and a second gear wheel that engages the second row of teeth, as well as an actuator coupled to the beam to selectively extend and retract the beam. The beam may deflect with respect to the arcuate support rail based on its location and the location of the beam guide to aid in leveling of the slide out.

A drive assembly utilized in combination with slide out includes a beam attached to a beam guide in an arcuate support rail that is attached to the slide out. The beam may have a first row of teeth and a second row of teeth thereon, where the first row of teeth and the second row of teeth extend parallel to each other on opposite sides of the beam. In addition, the teeth in the first row of teeth are offset relative to the teeth in the second row of teeth. The drive assembly further includes a drive gear having a first gear wheel that engages the first row of teeth and a second gear wheel that engages the second row of teeth, as well as an actuator coupled to the beam to selectively extend and retract the beam. The beam may deflect with respect to the arcuate support rail based on its location and the location of the beam guide to aid in leveling of the slide out.

A projector is configured to project an image to one side with respect to an installation surface. The projector includes: a housing that is configured to be fixed to the installation surface, a projection section that is built in the housing and configured to project image light from one end of the housing, an adjustment mechanism that is configured to adjust a posture of the projection section with respect to the installation surface, a drive section that is configured to drive the adjustment mechanism, and an operation detecting section configured to detect an input operation corresponding to the adjustment mechanism.

Systems and methods for securing a remotely operated vehicle (ROV) to a subsea structure during cleaning, maintenance, or inspection of the structure surface are provided. In one or more embodiments, an attachment mechanism includes a pair of grasping hooks that are raised and lowered when driven by a motorized drive. In one or more embodiments, an attachment mechanism includes a rigid holder having a mechanical stop and connected to a swing arm, the swing arm configured to rotate inward, but not outward beyond the mechanical stop. In one or more embodiments, an attachment mechanism includes a plurality of linked segments in series, each connected at a plurality of pivot points. A pair of wires passes through the plurality of linked segments and connects to a pair of pulleys that extend or retract the wires, thereby rotating the plurality of linked segments.

Systems and methods for securing a remotely operated vehicle (ROV) to a subsea structure during cleaning, maintenance, or inspection of the structure surface are provided. In one or more embodiments, an attachment mechanism includes a pair of grasping hooks that are raised and lowered when driven by a motorized drive. In one or more embodiments, an attachment mechanism includes a rigid holder having a mechanical stop and connected to a swing arm, the swing arm configured to rotate inward, but not outward beyond the mechanical stop. In one or more embodiments, an attachment mechanism includes a plurality of linked segments in series, each connected at a plurality of pivot points. A pair of wires passes through the plurality of linked segments and connects to a pair of pulleys that extend or retract the wires, thereby rotating the plurality of linked segments.

There is provided a steering apparatus including a fixing mechanism for fixing a driven pulley and a rolling nut to each other, the fixing mechanism configured to suppress at least one of deformation of external teeth of the driven pulley and an increase in size of a housing surrounding the driven pulley. A steering apparatus includes: a steered shaft; a ball screw mechanism including a rolling screw portion, a rolling nut, and rolling elements; a motor; a belt transmission mechanism including a drive pulley, a driven pulley, and a toothed belt; and a fixing mechanism. The fixing mechanism includes an internal thread, a cutout section, and a locknut. The cutout section is provided at a position offset, in the axial direction, from a range of second external teeth in the axial direction, and the locknut includes a locknut body, a locking lug, and a remaining portion.

There is provided a steering apparatus including a fixing mechanism for fixing a driven pulley and a rolling nut to each other, the fixing mechanism configured to suppress at least one of deformation of external teeth of the driven pulley and an increase in size of a housing surrounding the driven pulley. A steering apparatus includes: a steered shaft; a ball screw mechanism including a rolling screw portion, a rolling nut, and rolling elements; a motor; a belt transmission mechanism including a drive pulley, a driven pulley, and a toothed belt; and a fixing mechanism. The fixing mechanism includes an internal thread, a cutout section, and a locknut. The cutout section is provided at a position offset, in the axial direction, from a range of second external teeth in the axial direction, and the locknut includes a locknut body, a locking lug, and a remaining portion.

The present system for fall restraint includes a mounting frame connected to a trigger mechanism and firing blocks, with a trigger cable extending through apertures in the mounting frame and trigger mechanism. Sudden movement by a user, such as a fall, actuates the trigger mechanism to trigger the firing blocks. The firing blocks are loaded with anchors and firing cartridges. Triggering the firing blocks causes the cartridges to fire, propelling the anchors into an anchoring surface, such as a roof. Because the user is connected to the trigger cable, once the anchors deploy the user is anchored to the roof and their fall arrested.

The present system for fall restraint includes a mounting frame connected to a trigger mechanism and firing blocks, with a trigger cable extending through apertures in the mounting frame and trigger mechanism. Sudden movement by a user, such as a fall, actuates the trigger mechanism to trigger the firing blocks. The firing blocks are loaded with anchors and firing cartridges. Triggering the firing blocks causes the cartridges to fire, propelling the anchors into an anchoring surface, such as a roof. Because the user is connected to the trigger cable, once the anchors deploy the user is anchored to the roof and their fall arrested.