A trigger pump dispenser is made entirely from thermoplastic resin materials. It has a trigger (17) pivotally attached to the body (13) at its top end. The trigger is attached by a living hinge to a piston 16 movable within a pump cylinder (40), and is biased by a spring (18) to the retracted position shown. The spring is generally L-shaped and anchored to the body by its bottom leg so as to straddle the pump cylinder. A unitary valve member (15) located at the back of the pump cylinder provides...

An improved amphibious all terrain vehicle having a subtantially rectangular body or shell and is constructed of a light-weight durable metallic material. A combustion gas engine is coupled to a dual hydraulic pump system which is centrally mounted within the length direction of the cavity for easy access and removal for repairs. An oil tank serves also as a seat base and is disposed within a central portion of the shell. Six-independent wheel motors are symmetrically disposed in series, three o...

An air cleaner assembly for use with an internal combustion engine. A housing is provided having an inlet for receiving dirty air, a clean air outlet, and a dust port for discharging dust which has been separated from the air. A plenum chamber has an inlet for receiving clean air from the housing outlet, an outlet adapted to be connected to the intake of an internal combustion engine and fastening means for securing the plenum chamber in a fixed position relative to the engine. The housing and p...

An all-optical modulation format converter for converting optical data signals modulated in an on-off-keying (OOK) format to a phase-shift-keying (PSK) format. The OOK-to-PSK converter can be coupled to a delay-line interferometer to provide an all-optical wavelength converter for differential PSK (DPSK). The OOK-to-PSK converter can also be used in all-optical implementations of various functions, including, for example, exclusive-OR (XOR) logic, shift registers, and pseudo-random binary sequen...

An all-in-one digital cantilever controller applicable to all SFM systems is disclosed that can perform many relevant experiments for cantilever control in scanned force microscopy. A compact optimized digital implementation replaces analog components associated with cantilever signal processing and control. It has minimal thermal drift, at least an order of magnitude less than analog components. It has a number of meaningful tuning parameters available, as well as a user-friendly graphical inte...

An all plastic paint container comprising the combination of a cylindrical pail, a separate snap-on pouring spout ring and a separate snap on lid having a tear band which must be removed before manual access to the edge of the lid for removal purposes can be realized. The mechanical attachments between the pouring ring and the pail and between the lid and the pouring ring are achieved by inverted U-shaped channels and under cuts which provide the snap on mechanical associations.

A remotely controlled vehicle for traversing various terrains to accomplish missions in a hostile environment. This remotely controlled vehicle has a main chassis with rotatable tracks on either side thereof that supports a central body of the vehicle. Auxiliary chassis in a forward and rearward direction also carry tracks on either side, with these auxiliary chassis being pivotable to raised or lowered positions to accomplish movement over uneven terrain. The body carriers a deployable arm incl...

A hydromechanical all wheel drive mechanism providing both hydraulic and mechanical drive to each wheel. A valve in the hydraulic drive senses the relative wheel slippage on one side of the vehicle and compensates for that slippage by directing greater hydraulic power to the side of the vehicle which has greater traction.

A foldable seat device having diagonal side legs for support of a flexible sheet seat along its rearward and forward portions; and although legs extending from the rearward portion of the seat are conventionally continuous to their feet, the legs extending from the forward portion of the seat are of two discrete and non-connected portions. Of those legs, the adjacent ends of the lower rearward leg portion, and of the upper forward leg portion, are pivotally connected to the other legs at spaced ...

An amphibious vehicle may be connected end-to-end with a series of other similar vehicles to provide an amphibious vehicle train. Each vehicle has a hull with a plurality of wheels mounted on each side. Two drive trains are provided for driving the trains on respective sides of the hull. The drive trains can be driven at differential speeds to steer the vehicle. At each end of the vehicle are two power take-off means, one for each drive train coupled to a similar power take-off in the next adjac...