Abstract: A walker has a first generally U-shaped frame member with a front and rear leg and a second generally U-shaped frame member with a front and rear leg. Castors are rotatably attached to each front leg such that the castors face each other and each are attached by passing a bolt through the castor and receiving the bolt within a screw boss within the respective leg. A lower bracket with a base and an annular flange and an upper bracket with a resilient C-clip, axially aligned with the lower bracket, are each attached to one of the legs and allow a cane to be removably secured within the two brackets.

Abstract: A dispensing apparatus for delivering grout or other material, in either a single column or a plurality of spaced apart columns, is comprised of a body member having a pneumatic chamber with a pair of end caps attached to opposing ends. A piston is adapted to slide within the pneumatic chamber. A discharge nozzle having at least one discharge port is removably attached to one of the end caps. A control system controls fluid flow communication between the pneumatic chamber and the discharge nozzle. A pair of valves are attached to the end of the body member opposite the discharge nozzle end. One of the valves controls fluid flow communication between the pneumatic chamber and a source of pressurized gas while the other valve acts as an air relief valve.

Abstract: A toggle type adjustable latch mechanism which distributes the load to two attachment points on the wall of one part of a two-part container. Both overcenter and fulcrum principles are used to apply closure pressure and the latch itself lies within the envelope of the container in the closed position thereby preventing damage to the latch during handling and empty shipment.