Abstract: In a paint can assembly adapted to be releasably attached to the rung of a ladder, a relatively wide spring-like metal or plastic strap is attached to the side of a cylindrical or cone shaped paint can body. This strap bends into a downward facing U-shape so as to slip over and tightly conform to a horizontal ladder rung having a generally rectangular cross section. In this manner, the strap snugly conforms to the external surface of the ladder rung and supports the paint can relative thereto. A resilient cord is attached to the bottom of the can body at a position generally opposite to the strap. Tension applied to this cord as the cord is stretched over the lower end of the strap operates to removably secure the paint can to the ladder rung. A removable cover is provided for the can. A disposable liner lines the can body. A resilient cover is provided to convert a ladder rung of circular cross section to a ladder rung of generally rectangular cross section.

Abstract: An in-line roller skate is provided having a front bogie that supports a front pair of surface-engaging wheels and a rear bogie that supports a rear pair of surface-engaging wheels. An elongated two-member frame extends vertically down from the underside of the skate shoe and in the horizontal direction of skate movement. The lower end of a front lever-pair pivotally mounts the front bogie, and the lower end of a rear lever-pair pivotally mounts the rear bogie. The front lever-pair inclines downward toward the toe of the shoe, the rear lever-pair inclines downward toward the heel of the shoe, and a generally middle point of each lever-pair is pivoted on the two-member frame. Front and rear shock absorbing mechanisms are provided. The front shock absorbing mechanism functions between the upper end of the front lever-pair and the two-member frame, and the rear shock absorbing mechanism functions between the upper end of the rear lever-pair and the two-member frame.

Abstract: A device for controlling the flow of a medicinal substance in an infusion tube by means of a valve comprising a sealing means and a circuit (24) for controlling the position of the sealing means. The valve includes a chamber (10) with an inlet (12) and an outlet (14), a bi-metallic strip (16) arranged within the chamber (10) and secured to one of its walls (18), a ball (20) secured to the bi-metallic strip (16) for partially or entirely sealing off the inlet (12), and a control circuit (24) for controlling the voltages (V1, V2) applied to said strip (16) in order to provided continuous and accurate control of the flow of medicinal substance through the valve.

Abstract: An archery practice device projects a moving hunt scene on a screen. In one embodiment of the invention, a continuous plane of IR light is located prior to the screen, an arrow carrying a reflector is detected as it penetrates this light plane, and IR illumination is reflected back toward the archer and a full-screen radiation detector. In another embodiment, a piezoelectric motion detector senses impact of an arrow on the screen, an IR source is momentarily triggered by the motion detector, and IR illumination is reflected by the arrow toward the full-screen radiation detector. The detector generates a full-screen signal indicating the point of arrow impact on the screen. Upon detecting the arrow, the moving scene is frozen on the screen. The visual content of the frozen scene is coordinated to the full-screen signal from the detector, whereupon a hit zone image is projected on the screen to indicate the arrow impact point relative to the frozen scene.

Abstract: Airbags are positioned in a general aviation aircraft cockpit relative to a control yoke, a pilot, and a front seat passenger. Airbag actuation is controlled by a adaptive programmable controller such as a microcomputer. Airbag actuation is based upon information that the controller receives from multiple acceleration sensors. The outputs of the acceleration sensors are subjected to thresholding techniques, such as output signal weighting and/or majority voting. A programmable threshold is adaptively established for the controller based upon unique aircraft parameters, such as weight, altitude, angle of attack, ground and/or air speed, etc. The controller ignores all acceleration sensor inputs that do not meet this adaptive threshold. Thus, airbag actuation takes place only when a sufficient acceleration event occurs concurrently with the presence or absence of defined aircraft parameters that establish a proper threshold for the acceleration event.