Abstract: A gas generator comprising a pressure vessel containing a gas under a first predetermined pressure. An initiator housing closes one end of the pressure vessel and has an opening at the inner end thereof that is closed by an initiator rupture disk constructed to rupture at a second predetermined pressure in the initiator housing greater than the first predetermined pressure. A micro-gas generator or initiator is disposed within the initiator housing. A manifold closes the other end of the pressure vessel and has an opening at the inner end thereof closed by a manifold rupture disk constructed to rupture at a third predetermined pressure greater than the first predetermined pressure.

Abstract: A dual level inflator is provided for creating at least two different rates and levels of air bag inflation while optimizing cost effectiveness, size, safety and performance. The dual level inflator includes a unitized gas generator canister assembly including two canisters of gas generant material connected to a common base and positioned in a chamber formed in an inflator outer housing. The unitized assembly is easily transportable and mountable on the outer housing. Each canister of the unitized assembly includes apertures permitting direct communication between each canister cavity and the chamber of the outer housing. As a result, generant material positioned in each canister is directly exposed to the conditions in the outer housing chamber.

Abstract: A golf practice device includes an elevated platform molded of plastic. The platform includes wooden load distributing members in depressed areas on either side of a central area for the ball. A ball lifting mechanism lifts a ball from a Y-pipe fed from a golf ball filled tube. A motor operates a cam which causes a tee holder to rise and fall within a grooved straight leg of the Y-pipe.