Flügel Preissner Schober Seidel

A contactor device includes a movable contact configured to selectively open/close an electrical circuit. The movable contact is coupled to a shaft, and the shaft is retained by a latch in the closed position. A movable member is biased away from the latch. During an event, the biasing force biasing the movable member away from the latch is overcome. The movable member causes the latch to disengage the shaft, allowing the shaft to move to an open position. In examples, the movable member is disposed over an opening in a housing of the contactor device.

A cardiac retractor (20, 152) is disclosed. The cardiac retractor (20, 152) has an outer tube (24, 162). The cardiac retractor (20, 152) also has a fixed collar (22, 165, 198) fixedly coupled to a proximal end (306) of the outer tube (24, 162). The cardiac retractor (20, 152) further has a fixed link (26) fixedly coupled to a distal end (160) of the outer tube (24, 162). The cardiac retractor (20, 152) also has an inner tube (98) rotatable within the outer tube (24, 162). The cardiac retractor (20, 152) further has a fixed key (118, 200) coupled to a proximal end (160) of the inner tube (98) and configured to rotate the inner tube (98) relative to the outer tube (24, 162). The cardiac retractor (20, 152) also has a keyed link (30) coupled to the distal end (160) of the outer tube (24, 162).

A substrate (40, 70, 90, 220) comprises a first planar surface (46, 92) and a second planar surface (46, 92). A first diffraction pattern is arranged along one of said first and second planar surfaces (46, 92), wherein said first diffraction pattern includes a first plurality of diffractive features (50). A second diffraction pattern is arranged along one of said first and second planar surfaces (46, 92), wherein said second diffraction pattern includes a second plurality of diffractive features (50). At least one of said first and second pluralities of diffractive features (50) comprise stepped line diffractive features (52). A virtual image near-eye display system comprises at least one planar waveguide including the substrate (40, 70, 90, 220). A beam writing system comprises a first platform operable to translate in x and y directions and a second platform operable to rotate about a perpendicular axis, wherein the substrate (40, 70, 90, 220) is coupled to the beam writing system.

A scope clutch assembly (10) includes a clutch member (14) having a hub portion (26), and a plurality of elongated distal engagement members (42) extend from a distal end of the hub portion (26). The clutch member (14) also includes a plurality of elongated proximal engagement members (142) that extend from a proximal end of the hub portion (26). Each of the distal engagement members (42) and the proximal engagement members (142) have portions that are configured to selectively engage corresponding portions of an exterior surface of a scope (66) that is inserted through an interior portion of the clutch member (14) to prevent the scope (66) from displacing relative to the clutch member (14) and/or to prevent/limit movement of the scope (66) relative to the clutch member (14). An adjustment member (12) displacably coupled to the clutch member (14) controls the degree of engagement between the portions of the proximal engagement members (142) engaging corresponding portions of the exterior surface of the scope (66).

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