Abstract: An adjustable cap has a fully removable adjustment strap that may be releasably secured to both sides of the gap in the back of a cap for accommodating any size user. The adjustment strap includes at least one graphic display that is centerable across the gap in the back side of the cap.

Abstract: In a machine which cleans or buffs a floor by rotating a cleaning or buffing pad against the floor at high speed, simplified means are disclosed for supplying a controlled amount of cleaning fluid to the floor at the center of the cleaning pad. Vacuum which is created within the pad housing by the centrifugal action of the cleaning pad draws cleaning fluid out of a reservoir and into the central region of the pad. Flow is controlled and flow rate is set by limiting atmospheric vents. There is precisely controlled flow to the center of the pad, which may be continuous or on demand, no pump or moving parts of any kind are required, and the system is self-cleaning.

Abstract: A simple, compact counterweight mechanism for a lid for a sub-surface container. A straight rigid beam extends from front to rear within the container. Front portions of the beam are connected to the overlying lid, middle portions of the beam are pivotally connected to the container and rear portions of the beam are pivotally connected to a pair of rearwardly extending control arms, which are pivotally connected at their rear to a depending counterweight.

Abstract: The present invention contemplates a descent device including a roller having an annular groove about its contact surface, a support structure to which the roller is rotatably attached, a pinion gear rotatably attached to the support structure, a rotor disk directly coupled to the pinion gear, a braking device coupled to the support structure for controlling the speed of rotation of the rotor, a hand held actuator for activating the brake device, and a sling attached to the support structure capable of supporting a person who can control his or her descent by actuating the brake device, enabling a person to escape from a building during emergency conditions.The present invention also contemplates the combination of the above-described descent device and a vertically extending rail-like support track which is fixedly secured to the exterior of a building wall.

Abstract: A hand operated safety device for controlling the descent of a person along a guide track affixed to the exterior face of a building wall. The descent device is clamped to the track and includes a hydraulically operated brake which can be actuated to vary the frictional force between the descent device and the track surface to control the speed of descent. The device includes a preset mechanism for applying a fixed clamping force to the track depending on the user's weight. In a second embodiment, the track is a rail of triangular cross section having a continuous rack which is engaged by a brake operated spur gear on the descent device. A user wearable harness is slung beneath the descent device for lowering the person to the ground.

Abstract: A portable, remote controlled air sampler for measuring the solid, liquid, and gaseous emissions from sources such as a fossil fuel power plant, or ambient air. The sampler comprises a pump operated suction head movably mounted on a guide means for sucking a sample of air through a selected portion of an air filter strip, a motor operated translating means for translating the suction head along the guide means, and a radio operated, remote control system for selectively actuating the translating means and suction head. The preferred embodiment of the sampler is sufficiently lightweight to be suspended from a buoyant balloon six feet in diameter or less, or having a gas capacity of 115 cubic feet or less.

Abstract: An apparatus which eliminates the need of digging so to expose a house sewage seepage pit in order that it may be periodically cleaned out; the apparatus consisting of equipment that can be lowered down the house sewer line and into the septic tank from where it protrudes through the outflow port into the seepage pit; the equipment including scanning equipment at the end of an extendable water pressure hose used to flush out the pit, for aligning the equipment with the port so that the hose can be aligned with the port and inserted therethrough into the seepage pit.

Abstract: An angular positional sensor comprises a housing in which is mounted a rotary sensing device including a shaft which mounts a pendulum having relatively low inertia and a balanced member having relatively high inertia and rotatably mounted within the housing adjacent the pendulum member. At least the part of the housing containing the pendulum and the balanced member also contains a liquid to provide a viscous coupling between the pendulum and the balanced member. The arrangement is such, that in use, angular movement of the housing about the longitudinal axis of the shaft causes movement of the rotary sensing device relative to the shaft which is retained stationary by the pendulum which in turn is damped by the balanced member, to produce a signal representative of such angular movement from the rotary sensing device.