Abstract: A canister dosage indicator device for counting the number of doses dispensed from a canister. The device features a canister holder having a canister holding portion disposed at the top end and a diaphragm below the canister holding portion. The diaphragm can move between multiple positions including a disengaged position and an engaged position, wherein pressing of a canister in the canister holding portion of compresses the diaphragm to the engaged position. Electrical contacts are disposed on the diaphragm wherein when the diaphragm is in the engaged position the electrical contacts physically contact. A digital counter circuit is connected to the electrical contacts. When the diaphragm moves to the engaged position the count of the digital counter circuit increases by one. A display displays the count of the digital counter circuit.

Abstract: An exoskeleton structure made up of a plurality of pairs of triangular units which are adjacent to each other and which are interconnected. Each triangular unit has a generally horizontal segment and a pair of upright diagonal segments connected to the respective ends of the respective horizontal segment. The segments of each structural unit are shell-like or transversely curved so that, when they mate with the segments of adjacent triangular units, the segments of the two units form frame elements having hollow interior spaces for receiving concrete which is directed into the hollow spaces after the structural units have been erected. The configuration of adjacent structural units is repeated throughout the entire extent of the structure so that the numerous triangular structural units form an exoskeleton structure having maximum strength and high resistance to lateral forces.

Abstract: A composite housing for a rotary valve rack and pinion power steering gear includes a pinion housing portion fabricated of a light weight first metal and valve housing portion fabricated of a more dense and abrasion resistant second metal. The pinion housing portion includes a main body having a pinion bore therein. The valve housing portion is a right circular cylinder with an annular neck thereon. The annular neck is press fitted into a counterbore around the pinion bore whereby the valve housing portion is connected to the pinion housing portion. The pinion housing portion has an annular groove in an inside surface of the counterbore and a plurality of molding passages connected to the groove. The neck of the valve housing portion has an annular groove which cooperates with the groove in the counterbore in defining an annular ring chamber.