Abstract: A device for supporting and towing a trailer includes a first part engageable with the kingpin of the trailer, a second part engageable with an edge portion of the trailer, and a pair of tension members extending from the first part past the second part at spaced positions therealong, and secured to a supporting or towing vehicle.

Abstract: A method and apparatus for reducing the risk of contamination of individuals who handle a blood sampling needle and syringe subsequent to the taking of the sample. The apparatus includes a substantially tubular needle guard having an open end and a closed end and adapted to be fitted about the needle of the blood sampling syringe. A fluid impervious stopper or seal is affixed to the inner wall of the needle guard at a position intermediate its ends. The enclosed chamber between the seal and the closed end of the needle guard has been evacuated to a subatmospheric pressure. After the blood sample has been drawn, the user places the needle guard about the needle in such a fashion that the tip of the needle penetrates the seal so as to be enclosed within the vacuum chamber. A small amount of air or an air and blood mixture will then be drawn into the vacuum chamber from the syringe, and the entire unit may be thereaffter safely handled.

Abstract: In order to guide a plurality of landing craft between, for example, a water-borne location and a shoreline, a first VOR-type transmitter is provided at the water-borne location, and a second VOR transmitter is located on shore. In a debarking operation, vessels beginning at substantially the same water-borne location and heading toward substantially the same shore location at the same time are directed to follow respectively different first radials from the first transmitter and second radials from the second transmitter. In this manner, both reliable guidance for a plurality of vessels and collision avoidance are achieved.

Abstract: A three-dimensional word game comprising a 3.times.3.times.3 cube for receiving letter pieces, there being 26 letter-receiving spaces disposed on the surface of the cube. One letter of the alphabet may be associated with each of 26 letter pieces. In playing the game, players take turns placing one or more letter pieces onto the cube. Words are spelled out by tracing a path between consecutively adjacent letter pieces.