A vehicle restraint system includes a strap assembly configured to be positioned on a portion of a tire of a vehicle to secure the vehicle to a track assembly. The strap assembly is also configured to be coupled to the track assembly on a first side of the tire. The system also includes a mandrel assembly operable to be coupled to the strap assembly on a second side of the tire, opposite the first side of the tire. The mandrel assembly is configured to engage the track assembly through a first hole in the track assembly. The system further includes a latch assembly configured to be coupled to the mandrel assembly. The latch assembly is also configured to create a coupling between the mandrel assembly and the track assembly.

A hand sander and sanding disc fixture for attaching a sanding disc to a hand sander includes a table having a top with a sander storage station and an application station thereon. The storage station has a holder capable of holding a hand sander having a sander pad on the top of the table. The application station has at least two datum pegs extending from the top of the table that are capable of passing through two corresponding datum holes in the sanding disc. The at least two datum pegs having datum surfaces configured to be received in datum notches in an outer diameter of the sander pad. The datum pegs are capable of aligning the sander pad with the sanding disc when the sander pad is pressed against an attaching side of the sanding disc.

A method of forming an assembly including a first workpiece having a surface provided with a mortise and a second workpiece provided with a tenon inserted into the mortise joining the workpieces together in which the second workpiece is disposed in a certain orientation relative to the first workpiece to provide a certain disposition of the workpieces when joined together, generally consisting of providing identifying marks on the surface of the first workpiece and the tenon of the second workpiece at locations assuming a certain disposition when the second workpiece is disposed in a certain orientation and the tenon is registered with the mortise; positioning the second workpiece relative to the first workpiece wherein the second workpiece is disposed in the certain orientation relative to the first workpiece, the tenon is registered with the mortise and the marks are disposed in the certain mark disposition; and displacing the second workpiece toward the first workpiece and inserting the tenon into the mortise.

Described embodiments are directed toward prosthetic valves having leaflets that move asymmetrically in that a leaflet second side region of the leaflet initially moves toward the open position before a leaflet first side region and the leaflet first side region initially moves toward the closed position before the leaflet second side region. In the fully open position, the leaflet first side region opens less than the leaflet second side region. Asymmetric opening and final open position, in synchrony with the other leaflets having the same motion and final open position creates spiral flow exiting the open valve that increases blood flow on the downstream side of the leaflet and thus reduces stagnation of the blood that might lead to thrombus formation. Controlled asymmetric movement of the leaflet reduces closing volume by initiating closure on the leaflet first side region and finishing closures on the leaflet second side region.

When plate-shaped components are inserted in the correct order and orientation into component insertion grooves of a component assembly jig, the component insertion grooves are blocked by the plate-shaped components, and the blowing of compressed air is stopped. When the blowing of compressed air from the component insertion grooves is stopped, the pressure in a compressed-air path increases, and an alignment-complete lamp is illuminated. Using the component assembly jig enables an assembly operation for overlapping the plurality of plate-shaped components in the correct order and orientation, without excess or deficiency, to be efficiently performed without error.